fix: proxy de imagens MinIO e normalização de URLs para fotos de alunos

This commit is contained in:
Sidney 2026-04-21 21:50:22 -03:00
parent d537d31187
commit 980b15905b
2204 changed files with 722664 additions and 78 deletions

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@ -5,9 +5,9 @@
## 🛠️ Stack Tecnológica
- **Frontend/Backend:** Remix (React)
- **Banco de Dados:** PostgreSQL (Local e Nuvem via Supabase)
- **Arquitetura de Storage:** Self-Hosted (MinIO) via API HTTP customizada (bypass do SDK Supabase para arquivos).
- **Infraestrutura Cloud:** Supabase (Auth, Database Sync)
- **Banco de Dados:** PostgreSQL (100% Local/Self-Hosted)
- **Arquitetura de Storage:** Self-Hosted (MinIO) - 100% Desacoplado do Supabase Cloud.
- **Sincronização:** API Local de alta performance para conciliação bancária (Asaas).
- **Orquestração:** Portainer (Docker)
## ⚠️ Regras de Negócio Críticas (MANDATÓRIO)
@ -19,5 +19,6 @@
## 📜 Padrões de Desenvolvimento
1. **Design System:** Estética Premium, Dark Mode por padrão (ou glassmorphism), micro-animações e ausência de placeholders.
2. **Segurança:** Todas as rotas sensíveis devem validar o token do Supabase.
2. **Segurança:** Todas as rotas sensíveis devem validar o token JWT local (via secrets do ambiente). Proibido usar Supabase SDK para lógica de autenticação ou sincronização no frontend.
3. **Resiliência:** Tratamento rigoroso de erros em chamadas de API de terceiros (Asaas, Evolution API).
4. **Upload de Arquivos:** Proibido o uso de Base64 para envio de novos arquivos ao servidor. Use obrigatoriamente `FormData` e envie o objeto `File/Blob` para as rotas de API que integram com o MinIO.

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@ -13,14 +13,23 @@
### ⚙️ Módulo de Configurações e Infra (Manager)
- **Arquitetura de Armazenamento:** Implementada a transição para **Self-Hosted Storage (MinIO)**.
- O arquivo `supabase.ts` foi substituído por uma versão que utiliza chamadas de API HTTP (`/api/upload`) em vez do SDK da Supabase, garantindo total controle sobre os arquivos no ambiente local.
- Extração de Base64 concluída com sucesso via `migrate_images_to_minio.ts`.
- O banco de dados de produção (PostgreSQL Local) foi populado com sucesso absoluto na VPS através da rota `/api/migracao-remota` utilizando o script `injetar_magia.ts`.
- O sistema agora é 100% Self-Hosted (PostgreSQL e MinIO próprios), sem dependência da nuvem do Supabase.
- **Funcionalidades de Configuração:**
- Gestão multi-unidade (Alternância entre Matriz e Filiais).
- Validação de CNPJ e busca automática via CEP.
- Monitoramento de logs de API em tempo real.
- **Histórico de Estabilidade:**
- Realizamos um `reset --hard e2b9810` para remover tentativas falhas de otimização de build que causaram instabilidade.
- O sistema voltou para o último estado "verde" conhecido.
- **Refatoração de Uploads (Missão 2):**
- [x] **Foto do Aluno (Manager):** Migrado de Base64 para envio via `FormData` direto ao MinIO no componente `Students.tsx`.
- [x] **Logo da Escola (Settings):** Removido falback agressivo para base64 e isolado backend para upload exclusivo no bucket `logos`.
- [x] **Imagens de Avaliações (Exams):** Ajustado para utilizar Rota isolada `form-data` para salvar no bucket `exames` do MinIO.
- [x] **Atestados (Portal):** Refatorado portal (backend e view) para upload do arquivo binário e salvar a url pública no JSON associado.
- [x] **Frequência e Biometria (AttendanceQuery):** Corrigido bug de contagem, deduplicação de aulas e janela de 30 minutos para validação facial.
- [x] **Financeiro (Manager):** Migração total para API PostgreSQL local, eliminando o Supabase Sync que causava erros na aba financeira.
- [x] **Telemetria do Sistema (Settings):** Cards reais de monitoramento de disco (Postgres) e objetos (MinIO).
### 🚀 Infraestrutura e Deploy
- **Estado Atual:** O pipeline do GitHub Actions está configurado para gerar imagens Docker para `amd64` e `arm64`.
@ -28,7 +37,6 @@
## 📋 Próximos Passos Pendentes
1. **Migração Schoodat:** Iniciar script de migração seguindo a regra de não alteração de senhas em `GEMINI.md`.
1. **Concluída a Arquitetura de Storage Local (MinIO):** Todo o sistema (Tanto portal quanto manager) agora utiliza `FormData` para envio físico de arquivos aos servidores, salvando apenas a `URL pública` no banco de dados.
2. **Otimização de Build:** Re-explorar o cache do Docker ou considerar a remoção do suporte nativo ARM64 se não for estritamente necessário para o servidor final.
3. **Financeiro:** Implementar visualização de extrato detalhado e integração com gateway de pagamento direto via cartão.
4. **Segurança:** Auditar as políticas de RLS no Supabase para as tabelas de sincronização.

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@ -60,11 +60,23 @@ const Settings: React.FC<SettingsProps> = ({ data, updateData, setData }) => {
const [apiLogs, setApiLogs] = useState<any[]>([]);
const [systemStats, setSystemStats] = useState<any>(null);
React.useEffect(() => {
const fetchStats = () => {
fetch('/api/system-stats')
.then(res => res.json())
.then(data => setSystemStats(data))
.catch(err => console.error('Erro ao buscar stats do sistema:', err));
.then(data => {
if (data.error) console.error('Erro na API:', data.error);
setSystemStats(data);
})
.catch(err => {
console.error('Erro ao buscar stats do sistema:', err);
setSystemStats({ error: true });
});
};
React.useEffect(() => {
fetchStats();
const interval = setInterval(fetchStats, 30000); // Atualiza a cada 30s
return () => clearInterval(interval);
}, []);
React.useEffect(() => {

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@ -28,7 +28,8 @@ import {
getCobrancasByInstallmentId, updateCobrancaLinkCarne,
updateCobrancaByField
} from './services/database.js';
import { uploadLogo as uploadLogoToStorage, uploadCarne as uploadCarneToStorage, getMinioStats } from './services/storage.js';
import { uploadLogo as uploadLogoToStorage, uploadCarne as uploadCarneToStorage, getMinioStats, s3Client } from './services/storage.js';
import { GetObjectCommand } from '@aws-sdk/client-s3';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
@ -48,7 +49,25 @@ const cancelCache = new Set();
const sentCache = new Set();
const lockCache = new Set();
const upload = multer({ storage: multer.memoryStorage() });
// ============================================================
// Proxy de Imagens do MinIO (acesso público via backend)
// ============================================================
app.get('/storage/:bucket/:key', async (req, res) => {
try {
const { bucket, key } = req.params;
const command = new GetObjectCommand({ Bucket: bucket, Key: key });
const data = await s3Client.send(command);
res.set('Content-Type', data.ContentType || 'image/jpeg');
res.set('Cache-Control', 'public, max-age=86400');
data.Body.pipe(res);
} catch (e) {
res.status(404).send('Arquivo não encontrado');
}
});
const multerStorage = multer.memoryStorage();
const upload = multer({ storage: multerStorage, limits: { fileSize: 10 * 1024 * 1024 } });
// ============================================================
// ROTA NOVA: Login Administrativo (JWT)
@ -91,6 +110,44 @@ app.post('/api/auth/login', async (req, res) => {
app.get('/api/school-data', async (req, res) => {
try {
const data = await getSchoolData();
// Normalizar URLs do MinIO para proxy relativo
// Converte URLs como https://storageedu.xxx/bucket/file para /storage/bucket/file
const MINIO_PUBLIC_URL = process.env.MINIO_PUBLIC_URL || '';
const normalizeUrl = (url) => {
if (!url || typeof url !== 'string') return url;
// Se já é uma URL relativa de proxy, manter
if (url.startsWith('/storage/')) return url;
// Se é a URL pública do MinIO, converter para proxy
if (MINIO_PUBLIC_URL && url.startsWith(MINIO_PUBLIC_URL)) {
return url.replace(MINIO_PUBLIC_URL, '/storage');
}
// Fallback: URL com http://localhost:9000 ou http://minio:9000
const match = url.match(/^https?:\/\/[^\/]+\/(.+)$/);
if (match && (url.includes('minio') || url.includes('storageedu') || url.includes(':9000'))) {
return `/storage/${match[1]}`;
}
return url;
};
// Normalizar fotos de alunos
if (data.students) {
data.students.forEach(s => { if (s.photo) s.photo = normalizeUrl(s.photo); });
}
// Normalizar logo
if (data.logo) data.logo = normalizeUrl(data.logo);
if (data.profile?.logo) data.profile.logo = normalizeUrl(data.profile.logo);
// Normalizar fotos nos registros de presença
if (data.attendance) {
data.attendance.forEach(a => { if (a.photo) a.photo = normalizeUrl(a.photo); });
}
// Normalizar imagens de exames
if (data.exams) {
data.exams.forEach(e => {
if (e.questions) e.questions.forEach(q => { if (q.image) q.image = normalizeUrl(q.image); });
});
}
res.json({ data });
} catch (error) {
console.error('Erro ao buscar school_data:', error);

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@ -41,8 +41,9 @@ export async function uploadFile(bucket, fileName, fileBuffer, contentType) {
await s3Client.send(command);
// Retorna a URL pública (MinIO com política de download anônimo)
return `${MINIO_PUBLIC_URL}/${bucket}/${fileName}`;
// Retorna URL relativa que será servida pelo proxy do backend
// Isso garante que o browser acessa via nosso servidor, sem precisar de acesso direto ao MinIO
return `/storage/${bucket}/${fileName}`;
}
/**

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../acorn/bin/acorn" "$@"
else
exec node "$basedir/../acorn/bin/acorn" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\acorn\bin\acorn" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../acorn/bin/acorn" $args
} else {
& "node$exe" "$basedir/../acorn/bin/acorn" $args
}
$ret=$LASTEXITCODE
}
exit $ret

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../fast-xml-parser/src/cli/cli.js" "$@"
else
exec node "$basedir/../fast-xml-parser/src/cli/cli.js" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\fast-xml-parser\src\cli\cli.js" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../fast-xml-parser/src/cli/cli.js" $args
} else {
& "$basedir/node$exe" "$basedir/../fast-xml-parser/src/cli/cli.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../fast-xml-parser/src/cli/cli.js" $args
} else {
& "node$exe" "$basedir/../fast-xml-parser/src/cli/cli.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin.js" "$@"
fi

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin-cwd.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin-cwd.js" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin-cwd.js" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin-cwd.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin-cwd.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin-cwd.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin-cwd.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin-esm.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin-esm.js" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin-esm.js" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin-esm.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin-esm.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin-esm.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin-esm.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin-script.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin-script.js" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin-script.js" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin-script.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin-script.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin-script.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin-script.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

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@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin-transpile.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin-transpile.js" "$@"
fi

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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin-transpile.js" %*

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node_modules/.bin/ts-node-transpile-only.ps1 generated vendored Normal file
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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin-transpile.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin-transpile.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin-transpile.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin-transpile.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

17
node_modules/.bin/ts-node.cmd generated vendored Normal file
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@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin.js" %*

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@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
node_modules/.bin/ts-script generated vendored Normal file
View File

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../ts-node/dist/bin-script-deprecated.js" "$@"
else
exec node "$basedir/../ts-node/dist/bin-script-deprecated.js" "$@"
fi

17
node_modules/.bin/ts-script.cmd generated vendored Normal file
View File

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\ts-node\dist\bin-script-deprecated.js" %*

28
node_modules/.bin/ts-script.ps1 generated vendored Normal file
View File

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../ts-node/dist/bin-script-deprecated.js" $args
} else {
& "$basedir/node$exe" "$basedir/../ts-node/dist/bin-script-deprecated.js" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../ts-node/dist/bin-script-deprecated.js" $args
} else {
& "node$exe" "$basedir/../ts-node/dist/bin-script-deprecated.js" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
node_modules/.bin/tsc generated vendored Normal file
View File

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../typescript/bin/tsc" "$@"
else
exec node "$basedir/../typescript/bin/tsc" "$@"
fi

17
node_modules/.bin/tsc.cmd generated vendored Normal file
View File

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\typescript\bin\tsc" %*

28
node_modules/.bin/tsc.ps1 generated vendored Normal file
View File

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../typescript/bin/tsc" $args
} else {
& "$basedir/node$exe" "$basedir/../typescript/bin/tsc" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../typescript/bin/tsc" $args
} else {
& "node$exe" "$basedir/../typescript/bin/tsc" $args
}
$ret=$LASTEXITCODE
}
exit $ret

16
node_modules/.bin/tsserver generated vendored Normal file
View File

@ -0,0 +1,16 @@
#!/bin/sh
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
case `uname` in
*CYGWIN*|*MINGW*|*MSYS*)
if command -v cygpath > /dev/null 2>&1; then
basedir=`cygpath -w "$basedir"`
fi
;;
esac
if [ -x "$basedir/node" ]; then
exec "$basedir/node" "$basedir/../typescript/bin/tsserver" "$@"
else
exec node "$basedir/../typescript/bin/tsserver" "$@"
fi

17
node_modules/.bin/tsserver.cmd generated vendored Normal file
View File

@ -0,0 +1,17 @@
@ECHO off
GOTO start
:find_dp0
SET dp0=%~dp0
EXIT /b
:start
SETLOCAL
CALL :find_dp0
IF EXIST "%dp0%\node.exe" (
SET "_prog=%dp0%\node.exe"
) ELSE (
SET "_prog=node"
SET PATHEXT=%PATHEXT:;.JS;=;%
)
endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\typescript\bin\tsserver" %*

28
node_modules/.bin/tsserver.ps1 generated vendored Normal file
View File

@ -0,0 +1,28 @@
#!/usr/bin/env pwsh
$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
$exe=""
if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
# Fix case when both the Windows and Linux builds of Node
# are installed in the same directory
$exe=".exe"
}
$ret=0
if (Test-Path "$basedir/node$exe") {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "$basedir/node$exe" "$basedir/../typescript/bin/tsserver" $args
} else {
& "$basedir/node$exe" "$basedir/../typescript/bin/tsserver" $args
}
$ret=$LASTEXITCODE
} else {
# Support pipeline input
if ($MyInvocation.ExpectingInput) {
$input | & "node$exe" "$basedir/../typescript/bin/tsserver" $args
} else {
& "node$exe" "$basedir/../typescript/bin/tsserver" $args
}
$ret=$LASTEXITCODE
}
exit $ret

571
node_modules/.package-lock.json generated vendored Normal file
View File

@ -0,0 +1,571 @@
{
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},
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"license": "MIT",
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"bin": {
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"engines": {
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}
},
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}
],
"license": "MIT",
"dependencies": {
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}
},
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}
],
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"fast-xml-builder": "^1.1.5",
"path-expression-matcher": "^1.5.0",
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"bin": {
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}
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},
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"engines": {
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}
},
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"dependencies": {
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},
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}
},
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"buffer-crc32": "^1.0.0",
"eventemitter3": "^5.0.1",
"fast-xml-parser": "^5.3.4",
"ipaddr.js": "^2.0.1",
"lodash": "^4.17.21",
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}

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The MIT License (MIT)
Copyright (c) 2014 Evan Wallace
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Source Map Support
[![NPM version](https://img.shields.io/npm/v/@cspotcode/source-map-support.svg?style=flat)](https://npmjs.org/package/@cspotcode/source-map-support)
[![NPM downloads](https://img.shields.io/npm/dm/@cspotcode/source-map-support.svg?style=flat)](https://npmjs.org/package/@cspotcode/source-map-support)
[![Build status](https://img.shields.io/github/workflow/status/cspotcode/node-source-map-support/Continuous%20Integration)](https://github.com/cspotcode/node-source-map-support/actions?query=workflow%3A%22Continuous+Integration%22)
This module provides source map support for stack traces in node via the [V8 stack trace API](https://github.com/v8/v8/wiki/Stack-Trace-API). It uses the [source-map](https://github.com/mozilla/source-map) module to replace the paths and line numbers of source-mapped files with their original paths and line numbers. The output mimics node's stack trace format with the goal of making every compile-to-JS language more of a first-class citizen. Source maps are completely general (not specific to any one language) so you can use source maps with multiple compile-to-JS languages in the same node process.
## Installation and Usage
#### Node support
```
$ npm install @cspotcode/source-map-support
```
Source maps can be generated using libraries such as [source-map-index-generator](https://github.com/twolfson/source-map-index-generator). Once you have a valid source map, place a source mapping comment somewhere in the file (usually done automatically or with an option by your transpiler):
```
//# sourceMappingURL=path/to/source.map
```
If multiple sourceMappingURL comments exist in one file, the last sourceMappingURL comment will be
respected (e.g. if a file mentions the comment in code, or went through multiple transpilers).
The path should either be absolute or relative to the compiled file.
From here you have two options.
##### CLI Usage
```bash
node -r @cspotcode/source-map-support/register compiled.js
# Or to enable hookRequire
node -r @cspotcode/source-map-support/register-hook-require compiled.js
```
##### Programmatic Usage
Put the following line at the top of the compiled file.
```js
require('@cspotcode/source-map-support').install();
```
It is also possible to install the source map support directly by
requiring the `register` module which can be handy with ES6:
```js
import '@cspotcode/source-map-support/register'
// Instead of:
import sourceMapSupport from '@cspotcode/source-map-support'
sourceMapSupport.install()
```
Note: if you're using babel-register, it includes source-map-support already.
It is also very useful with Mocha:
```
$ mocha --require @cspotcode/source-map-support/register tests/
```
#### Browser support
This library also works in Chrome. While the DevTools console already supports source maps, the V8 engine doesn't and `Error.prototype.stack` will be incorrect without this library. Everything will just work if you deploy your source files using [browserify](http://browserify.org/). Just make sure to pass the `--debug` flag to the browserify command so your source maps are included in the bundled code.
This library also works if you use another build process or just include the source files directly. In this case, include the file `browser-source-map-support.js` in your page and call `sourceMapSupport.install()`. It contains the whole library already bundled for the browser using browserify.
```html
<script src="browser-source-map-support.js"></script>
<script>sourceMapSupport.install();</script>
```
This library also works if you use AMD (Asynchronous Module Definition), which is used in tools like [RequireJS](http://requirejs.org/). Just list `browser-source-map-support` as a dependency:
```html
<script>
define(['browser-source-map-support'], function(sourceMapSupport) {
sourceMapSupport.install();
});
</script>
```
## Options
This module installs two things: a change to the `stack` property on `Error` objects and a handler for uncaught exceptions that mimics node's default exception handler (the handler can be seen in the demos below). You may want to disable the handler if you have your own uncaught exception handler. This can be done by passing an argument to the installer:
```js
require('@cspotcode/source-map-support').install({
handleUncaughtExceptions: false
});
```
This module loads source maps from the filesystem by default. You can provide alternate loading behavior through a callback as shown below. For example, [Meteor](https://github.com/meteor) keeps all source maps cached in memory to avoid disk access.
```js
require('@cspotcode/source-map-support').install({
retrieveSourceMap: function(source) {
if (source === 'compiled.js') {
return {
url: 'original.js',
map: fs.readFileSync('compiled.js.map', 'utf8')
};
}
return null;
}
});
```
The module will by default assume a browser environment if XMLHttpRequest and window are defined. If either of these do not exist it will instead assume a node environment.
In some rare cases, e.g. when running a browser emulation and where both variables are also set, you can explictly specify the environment to be either 'browser' or 'node'.
```js
require('@cspotcode/source-map-support').install({
environment: 'node'
});
```
To support files with inline source maps, the `hookRequire` options can be specified, which will monitor all source files for inline source maps.
```js
require('@cspotcode/source-map-support').install({
hookRequire: true
});
```
This monkey patches the `require` module loading chain, so is not enabled by default and is not recommended for any sort of production usage.
## Demos
#### Basic Demo
original.js:
```js
throw new Error('test'); // This is the original code
```
compiled.js:
```js
require('@cspotcode/source-map-support').install();
throw new Error('test'); // This is the compiled code
// The next line defines the sourceMapping.
//# sourceMappingURL=compiled.js.map
```
compiled.js.map:
```json
{
"version": 3,
"file": "compiled.js",
"sources": ["original.js"],
"names": [],
"mappings": ";;AAAA,MAAM,IAAI"
}
```
Run compiled.js using node (notice how the stack trace uses original.js instead of compiled.js):
```
$ node compiled.js
original.js:1
throw new Error('test'); // This is the original code
^
Error: test
at Object.<anonymous> (original.js:1:7)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:901:3
```
#### TypeScript Demo
demo.ts:
```typescript
declare function require(name: string);
require('@cspotcode/source-map-support').install();
class Foo {
constructor() { this.bar(); }
bar() { throw new Error('this is a demo'); }
}
new Foo();
```
Compile and run the file using the TypeScript compiler from the terminal:
```
$ npm install source-map-support typescript
$ node_modules/typescript/bin/tsc -sourcemap demo.ts
$ node demo.js
demo.ts:5
bar() { throw new Error('this is a demo'); }
^
Error: this is a demo
at Foo.bar (demo.ts:5:17)
at new Foo (demo.ts:4:24)
at Object.<anonymous> (demo.ts:7:1)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:901:3
```
There is also the option to use `-r source-map-support/register` with typescript, without the need add the `require('@cspotcode/source-map-support').install()` in the code base:
```
$ npm install source-map-support typescript
$ node_modules/typescript/bin/tsc -sourcemap demo.ts
$ node -r source-map-support/register demo.js
demo.ts:5
bar() { throw new Error('this is a demo'); }
^
Error: this is a demo
at Foo.bar (demo.ts:5:17)
at new Foo (demo.ts:4:24)
at Object.<anonymous> (demo.ts:7:1)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
at node.js:901:3
```
#### CoffeeScript Demo
demo.coffee:
```coffee
require('@cspotcode/source-map-support').install()
foo = ->
bar = -> throw new Error 'this is a demo'
bar()
foo()
```
Compile and run the file using the CoffeeScript compiler from the terminal:
```sh
$ npm install @cspotcode/source-map-support coffeescript
$ node_modules/.bin/coffee --map --compile demo.coffee
$ node demo.js
demo.coffee:3
bar = -> throw new Error 'this is a demo'
^
Error: this is a demo
at bar (demo.coffee:3:22)
at foo (demo.coffee:4:3)
at Object.<anonymous> (demo.coffee:5:1)
at Object.<anonymous> (demo.coffee:1:1)
at Module._compile (module.js:456:26)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (module.js:356:32)
at Function.Module._load (module.js:312:12)
at Function.Module.runMain (module.js:497:10)
at startup (node.js:119:16)
```
## Tests
This repo contains both automated tests for node and manual tests for the browser. The automated tests can be run using mocha (type `mocha` in the root directory). To run the manual tests:
* Build the tests using `build.js`
* Launch the HTTP server (`npm run serve-tests`) and visit
* http://127.0.0.1:1336/amd-test
* http://127.0.0.1:1336/browser-test
* http://127.0.0.1:1336/browserify-test - **Currently not working** due to a bug with browserify (see [pull request #66](https://github.com/evanw/node-source-map-support/pull/66) for details).
* For `header-test`, run `server.js` inside that directory and visit http://127.0.0.1:1337/
## License
This code is available under the [MIT license](http://opensource.org/licenses/MIT).

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/*
* Support for source maps in V8 stack traces
* https://github.com/evanw/node-source-map-support
*/
/*
The buffer module from node.js, for the browser.
@author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
license MIT
*/
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m);t-=q}return(u?-1:1)*c*Math.pow(2,t-m)};A.write=function(e,p,t,m,f,c){var l,q=8*c-f-1,r=(1<<q)-1,k=r>>1,u=23===f?Math.pow(2,-24)-Math.pow(2,-77):0;c=m?0:c-1;var d=m?1:-1,g=0>p||0===p&&0>1/p?1:0;p=Math.abs(p);isNaN(p)||Infinity===p?(p=isNaN(p)?1:0,m=r):(m=Math.floor(Math.log(p)/Math.LN2),1>p*(l=Math.pow(2,-m))&&(m--,l*=2),p=1<=m+k?p+u/l:p+u*Math.pow(2,1-k),2<=p*l&&(m++,l/=2),m+k>=r?(p=0,m=r):1<=m+k?(p=(p*l-1)*Math.pow(2,f),m+=k):(p=p*Math.pow(2,k-1)*Math.pow(2,f),m=0));for(;8<=f;e[t+c]=p&255,c+=
d,p/=256,f-=8);m=m<<f|p;for(q+=f;0<q;e[t+c]=m&255,c+=d,m/=256,q-=8);e[t+c-d]|=128*g}},{}],7:[function(C,J,A){var e=Object.prototype.toString;J.exports=Array.isArray||function(p){return!!p&&"[object Array]"==e.call(p)}},{}],8:[function(C,J,A){(function(e){function p(c,l){for(var q=0,r=c.length-1;0<=r;r--){var k=c[r];"."===k?c.splice(r,1):".."===k?(c.splice(r,1),q++):q&&(c.splice(r,1),q--)}if(l)for(;q--;q)c.unshift("..");return c}function t(c,l){if(c.filter)return c.filter(l);for(var q=[],r=0;r<c.length;r++)l(c[r],
r,c)&&q.push(c[r]);return q}var m=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;A.resolve=function(){for(var c="",l=!1,q=arguments.length-1;-1<=q&&!l;q--){var r=0<=q?arguments[q]:e.cwd();if("string"!==typeof r)throw new TypeError("Arguments to path.resolve must be strings");r&&(c=r+"/"+c,l="/"===r.charAt(0))}c=p(t(c.split("/"),function(k){return!!k}),!l).join("/");return(l?"/":"")+c||"."};A.normalize=function(c){var l=A.isAbsolute(c),q="/"===f(c,-1);(c=p(t(c.split("/"),function(r){return!!r}),
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for(var r=q(c.split("/")),k=q(l.split("/")),u=Math.min(r.length,k.length),d=u,g=0;g<u;g++)if(r[g]!==k[g]){d=g;break}u=[];for(g=d;g<r.length;g++)u.push("..");u=u.concat(k.slice(d));return u.join("/")};A.sep="/";A.delimiter=":";A.dirname=function(c){var l=m.exec(c).slice(1);c=l[0];l=l[1];if(!c&&!l)return".";l&&(l=l.substr(0,l.length-1));return c+l};A.basename=function(c,l){var q=m.exec(c).slice(1)[2];l&&q.substr(-1*l.length)===l&&(q=q.substr(0,q.length-l.length));return q};A.extname=function(c){return m.exec(c).slice(1)[3]};
var f="b"==="ab".substr(-1)?function(c,l,q){return c.substr(l,q)}:function(c,l,q){0>l&&(l=c.length+l);return c.substr(l,q)}}).call(this,C("g5I+bs"))},{"g5I+bs":9}],9:[function(C,J,A){function e(){}C=J.exports={};C.nextTick=function(){if("undefined"!==typeof window&&window.setImmediate)return function(t){return window.setImmediate(t)};if("undefined"!==typeof window&&window.postMessage&&window.addEventListener){var p=[];window.addEventListener("message",function(t){var m=t.source;m!==window&&null!==
m||"process-tick"!==t.data||(t.stopPropagation(),0<p.length&&p.shift()())},!0);return function(t){p.push(t);window.postMessage("process-tick","*")}}return function(t){setTimeout(t,0)}}();C.title="browser";C.browser=!0;C.env={};C.argv=[];C.on=e;C.addListener=e;C.once=e;C.off=e;C.removeListener=e;C.removeAllListeners=e;C.emit=e;C.binding=function(p){throw Error("process.binding is not supported");};C.cwd=function(){return"/"};C.chdir=function(p){throw Error("process.chdir is not supported");}},{}],
10:[function(C,J,A){function e(){this._array=[];this._set=m?new Map:Object.create(null)}var p=C("./util"),t=Object.prototype.hasOwnProperty,m="undefined"!==typeof Map;e.fromArray=function(f,c){for(var l=new e,q=0,r=f.length;q<r;q++)l.add(f[q],c);return l};e.prototype.size=function(){return m?this._set.size:Object.getOwnPropertyNames(this._set).length};e.prototype.add=function(f,c){var l=m?f:p.toSetString(f),q=m?this.has(f):t.call(this._set,l),r=this._array.length;q&&!c||this._array.push(f);q||(m?
this._set.set(f,r):this._set[l]=r)};e.prototype.has=function(f){if(m)return this._set.has(f);f=p.toSetString(f);return t.call(this._set,f)};e.prototype.indexOf=function(f){if(m){var c=this._set.get(f);if(0<=c)return c}else if(c=p.toSetString(f),t.call(this._set,c))return this._set[c];throw Error('"'+f+'" is not in the set.');};e.prototype.at=function(f){if(0<=f&&f<this._array.length)return this._array[f];throw Error("No element indexed by "+f);};e.prototype.toArray=function(){return this._array.slice()};
A.ArraySet=e},{"./util":19}],11:[function(C,J,A){var e=C("./base64");A.encode=function(p){var t="",m=0>p?(-p<<1)+1:p<<1;do p=m&31,m>>>=5,0<m&&(p|=32),t+=e.encode(p);while(0<m);return t};A.decode=function(p,t,m){var f=p.length,c=0,l=0;do{if(t>=f)throw Error("Expected more digits in base 64 VLQ value.");var q=e.decode(p.charCodeAt(t++));if(-1===q)throw Error("Invalid base64 digit: "+p.charAt(t-1));var r=!!(q&32);q&=31;c+=q<<l;l+=5}while(r);p=c>>1;m.value=1===(c&1)?-p:p;m.rest=t}},{"./base64":12}],12:[function(C,
J,A){var e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");A.encode=function(p){if(0<=p&&p<e.length)return e[p];throw new TypeError("Must be between 0 and 63: "+p);};A.decode=function(p){return 65<=p&&90>=p?p-65:97<=p&&122>=p?p-97+26:48<=p&&57>=p?p-48+52:43==p?62:47==p?63:-1}},{}],13:[function(C,J,A){function e(p,t,m,f,c,l){var q=Math.floor((t-p)/2)+p,r=c(m,f[q],!0);return 0===r?q:0<r?1<t-q?e(q,t,m,f,c,l):l==A.LEAST_UPPER_BOUND?t<f.length?t:-1:q:1<q-p?e(p,q,m,f,c,l):l==
A.LEAST_UPPER_BOUND?q:0>p?-1:p}A.GREATEST_LOWER_BOUND=1;A.LEAST_UPPER_BOUND=2;A.search=function(p,t,m,f){if(0===t.length)return-1;p=e(-1,t.length,p,t,m,f||A.GREATEST_LOWER_BOUND);if(0>p)return-1;for(;0<=p-1&&0===m(t[p],t[p-1],!0);)--p;return p}},{}],14:[function(C,J,A){function e(){this._array=[];this._sorted=!0;this._last={generatedLine:-1,generatedColumn:0}}var p=C("./util");e.prototype.unsortedForEach=function(t,m){this._array.forEach(t,m)};e.prototype.add=function(t){var m=this._last,f=m.generatedLine,
c=t.generatedLine,l=m.generatedColumn,q=t.generatedColumn;c>f||c==f&&q>=l||0>=p.compareByGeneratedPositionsInflated(m,t)?this._last=t:this._sorted=!1;this._array.push(t)};e.prototype.toArray=function(){this._sorted||(this._array.sort(p.compareByGeneratedPositionsInflated),this._sorted=!0);return this._array};A.MappingList=e},{"./util":19}],15:[function(C,J,A){function e(t,m,f){var c=t[m];t[m]=t[f];t[f]=c}function p(t,m,f,c){if(f<c){var l=f-1;e(t,Math.round(f+Math.random()*(c-f)),c);for(var q=t[c],
r=f;r<c;r++)0>=m(t[r],q)&&(l+=1,e(t,l,r));e(t,l+1,r);l+=1;p(t,m,f,l-1);p(t,m,l+1,c)}}A.quickSort=function(t,m){p(t,m,0,t.length-1)}},{}],16:[function(C,J,A){function e(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));return null!=d.sections?new m(d,u):new p(d,u)}function p(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));var g=f.getArg(d,"version"),n=f.getArg(d,"sources"),v=f.getArg(d,"names",[]),z=f.getArg(d,"sourceRoot",null),G=f.getArg(d,"sourcesContent",null),D=f.getArg(d,
"mappings");d=f.getArg(d,"file",null);if(g!=this._version)throw Error("Unsupported version: "+g);z&&(z=f.normalize(z));n=n.map(String).map(f.normalize).map(function(L){return z&&f.isAbsolute(z)&&f.isAbsolute(L)?f.relative(z,L):L});this._names=l.fromArray(v.map(String),!0);this._sources=l.fromArray(n,!0);this.sourceRoot=z;this.sourcesContent=G;this._mappings=D;this._sourceMapURL=u;this.file=d}function t(){this.generatedColumn=this.generatedLine=0;this.name=this.originalColumn=this.originalLine=this.source=
null}function m(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));var g=f.getArg(d,"version");d=f.getArg(d,"sections");if(g!=this._version)throw Error("Unsupported version: "+g);this._sources=new l;this._names=new l;var n={line:-1,column:0};this._sections=d.map(function(v){if(v.url)throw Error("Support for url field in sections not implemented.");var z=f.getArg(v,"offset"),G=f.getArg(z,"line"),D=f.getArg(z,"column");if(G<n.line||G===n.line&&D<n.column)throw Error("Section offsets must be ordered and non-overlapping.");
n=z;return{generatedOffset:{generatedLine:G+1,generatedColumn:D+1},consumer:new e(f.getArg(v,"map"),u)}})}var f=C("./util"),c=C("./binary-search"),l=C("./array-set").ArraySet,q=C("./base64-vlq"),r=C("./quick-sort").quickSort;e.fromSourceMap=function(k){return p.fromSourceMap(k)};e.prototype._version=3;e.prototype.__generatedMappings=null;Object.defineProperty(e.prototype,"_generatedMappings",{configurable:!0,enumerable:!0,get:function(){this.__generatedMappings||this._parseMappings(this._mappings,
this.sourceRoot);return this.__generatedMappings}});e.prototype.__originalMappings=null;Object.defineProperty(e.prototype,"_originalMappings",{configurable:!0,enumerable:!0,get:function(){this.__originalMappings||this._parseMappings(this._mappings,this.sourceRoot);return this.__originalMappings}});e.prototype._charIsMappingSeparator=function(k,u){var d=k.charAt(u);return";"===d||","===d};e.prototype._parseMappings=function(k,u){throw Error("Subclasses must implement _parseMappings");};e.GENERATED_ORDER=
1;e.ORIGINAL_ORDER=2;e.GREATEST_LOWER_BOUND=1;e.LEAST_UPPER_BOUND=2;e.prototype.eachMapping=function(k,u,d){u=u||null;switch(d||e.GENERATED_ORDER){case e.GENERATED_ORDER:d=this._generatedMappings;break;case e.ORIGINAL_ORDER:d=this._originalMappings;break;default:throw Error("Unknown order of iteration.");}var g=this.sourceRoot;d.map(function(n){var v=null===n.source?null:this._sources.at(n.source);v=f.computeSourceURL(g,v,this._sourceMapURL);return{source:v,generatedLine:n.generatedLine,generatedColumn:n.generatedColumn,
originalLine:n.originalLine,originalColumn:n.originalColumn,name:null===n.name?null:this._names.at(n.name)}},this).forEach(k,u)};e.prototype.allGeneratedPositionsFor=function(k){var u=f.getArg(k,"line"),d={source:f.getArg(k,"source"),originalLine:u,originalColumn:f.getArg(k,"column",0)};null!=this.sourceRoot&&(d.source=f.relative(this.sourceRoot,d.source));if(!this._sources.has(d.source))return[];d.source=this._sources.indexOf(d.source);var g=[];d=this._findMapping(d,this._originalMappings,"originalLine",
"originalColumn",f.compareByOriginalPositions,c.LEAST_UPPER_BOUND);if(0<=d){var n=this._originalMappings[d];if(void 0===k.column)for(u=n.originalLine;n&&n.originalLine===u;)g.push({line:f.getArg(n,"generatedLine",null),column:f.getArg(n,"generatedColumn",null),lastColumn:f.getArg(n,"lastGeneratedColumn",null)}),n=this._originalMappings[++d];else for(k=n.originalColumn;n&&n.originalLine===u&&n.originalColumn==k;)g.push({line:f.getArg(n,"generatedLine",null),column:f.getArg(n,"generatedColumn",null),
lastColumn:f.getArg(n,"lastGeneratedColumn",null)}),n=this._originalMappings[++d]}return g};A.SourceMapConsumer=e;p.prototype=Object.create(e.prototype);p.prototype.consumer=e;p.fromSourceMap=function(k,u){var d=Object.create(p.prototype),g=d._names=l.fromArray(k._names.toArray(),!0),n=d._sources=l.fromArray(k._sources.toArray(),!0);d.sourceRoot=k._sourceRoot;d.sourcesContent=k._generateSourcesContent(d._sources.toArray(),d.sourceRoot);d.file=k._file;d._sourceMapURL=u;for(var v=k._mappings.toArray().slice(),
z=d.__generatedMappings=[],G=d.__originalMappings=[],D=0,L=v.length;D<L;D++){var a=v[D],b=new t;b.generatedLine=a.generatedLine;b.generatedColumn=a.generatedColumn;a.source&&(b.source=n.indexOf(a.source),b.originalLine=a.originalLine,b.originalColumn=a.originalColumn,a.name&&(b.name=g.indexOf(a.name)),G.push(b));z.push(b)}r(d.__originalMappings,f.compareByOriginalPositions);return d};p.prototype._version=3;Object.defineProperty(p.prototype,"sources",{get:function(){return this._sources.toArray().map(function(k){return f.computeSourceURL(this.sourceRoot,
k,this._sourceMapURL)},this)}});p.prototype._parseMappings=function(k,u){for(var d=1,g=0,n=0,v=0,z=0,G=0,D=k.length,L=0,a={},b={},h=[],w=[],y,I,K,N,P;L<D;)if(";"===k.charAt(L))d++,L++,g=0;else if(","===k.charAt(L))L++;else{y=new t;y.generatedLine=d;for(N=L;N<D&&!this._charIsMappingSeparator(k,N);N++);I=k.slice(L,N);if(K=a[I])L+=I.length;else{for(K=[];L<N;)q.decode(k,L,b),P=b.value,L=b.rest,K.push(P);if(2===K.length)throw Error("Found a source, but no line and column");if(3===K.length)throw Error("Found a source and line, but no column");
a[I]=K}y.generatedColumn=g+K[0];g=y.generatedColumn;1<K.length&&(y.source=z+K[1],z+=K[1],y.originalLine=n+K[2],n=y.originalLine,y.originalLine+=1,y.originalColumn=v+K[3],v=y.originalColumn,4<K.length&&(y.name=G+K[4],G+=K[4]));w.push(y);"number"===typeof y.originalLine&&h.push(y)}r(w,f.compareByGeneratedPositionsDeflated);this.__generatedMappings=w;r(h,f.compareByOriginalPositions);this.__originalMappings=h};p.prototype._findMapping=function(k,u,d,g,n,v){if(0>=k[d])throw new TypeError("Line must be greater than or equal to 1, got "+
k[d]);if(0>k[g])throw new TypeError("Column must be greater than or equal to 0, got "+k[g]);return c.search(k,u,n,v)};p.prototype.computeColumnSpans=function(){for(var k=0;k<this._generatedMappings.length;++k){var u=this._generatedMappings[k];if(k+1<this._generatedMappings.length){var d=this._generatedMappings[k+1];if(u.generatedLine===d.generatedLine){u.lastGeneratedColumn=d.generatedColumn-1;continue}}u.lastGeneratedColumn=Infinity}};p.prototype.originalPositionFor=function(k){var u={generatedLine:f.getArg(k,
"line"),generatedColumn:f.getArg(k,"column")};k=this._findMapping(u,this._generatedMappings,"generatedLine","generatedColumn",f.compareByGeneratedPositionsDeflated,f.getArg(k,"bias",e.GREATEST_LOWER_BOUND));if(0<=k&&(k=this._generatedMappings[k],k.generatedLine===u.generatedLine)){u=f.getArg(k,"source",null);null!==u&&(u=this._sources.at(u),u=f.computeSourceURL(this.sourceRoot,u,this._sourceMapURL));var d=f.getArg(k,"name",null);null!==d&&(d=this._names.at(d));return{source:u,line:f.getArg(k,"originalLine",
null),column:f.getArg(k,"originalColumn",null),name:d}}return{source:null,line:null,column:null,name:null}};p.prototype.hasContentsOfAllSources=function(){return this.sourcesContent?this.sourcesContent.length>=this._sources.size()&&!this.sourcesContent.some(function(k){return null==k}):!1};p.prototype.sourceContentFor=function(k,u){if(!this.sourcesContent)return null;var d=k;null!=this.sourceRoot&&(d=f.relative(this.sourceRoot,d));if(this._sources.has(d))return this.sourcesContent[this._sources.indexOf(d)];
var g=this.sources,n;for(n=0;n<g.length;++n)if(g[n]==k)return this.sourcesContent[n];var v;if(null!=this.sourceRoot&&(v=f.urlParse(this.sourceRoot))){g=d.replace(/^file:\/\//,"");if("file"==v.scheme&&this._sources.has(g))return this.sourcesContent[this._sources.indexOf(g)];if((!v.path||"/"==v.path)&&this._sources.has("/"+d))return this.sourcesContent[this._sources.indexOf("/"+d)]}if(u)return null;throw Error('"'+d+'" is not in the SourceMap.');};p.prototype.generatedPositionFor=function(k){var u=
f.getArg(k,"source");null!=this.sourceRoot&&(u=f.relative(this.sourceRoot,u));if(!this._sources.has(u))return{line:null,column:null,lastColumn:null};u=this._sources.indexOf(u);u={source:u,originalLine:f.getArg(k,"line"),originalColumn:f.getArg(k,"column")};k=this._findMapping(u,this._originalMappings,"originalLine","originalColumn",f.compareByOriginalPositions,f.getArg(k,"bias",e.GREATEST_LOWER_BOUND));return 0<=k&&(k=this._originalMappings[k],k.source===u.source)?{line:f.getArg(k,"generatedLine",
null),column:f.getArg(k,"generatedColumn",null),lastColumn:f.getArg(k,"lastGeneratedColumn",null)}:{line:null,column:null,lastColumn:null}};A.BasicSourceMapConsumer=p;m.prototype=Object.create(e.prototype);m.prototype.constructor=e;m.prototype._version=3;Object.defineProperty(m.prototype,"sources",{get:function(){for(var k=[],u=0;u<this._sections.length;u++)for(var d=0;d<this._sections[u].consumer.sources.length;d++)k.push(this._sections[u].consumer.sources[d]);return k}});m.prototype.originalPositionFor=
function(k){var u={generatedLine:f.getArg(k,"line"),generatedColumn:f.getArg(k,"column")},d=c.search(u,this._sections,function(g,n){var v=g.generatedLine-n.generatedOffset.generatedLine;return v?v:g.generatedColumn-n.generatedOffset.generatedColumn});return(d=this._sections[d])?d.consumer.originalPositionFor({line:u.generatedLine-(d.generatedOffset.generatedLine-1),column:u.generatedColumn-(d.generatedOffset.generatedLine===u.generatedLine?d.generatedOffset.generatedColumn-1:0),bias:k.bias}):{source:null,
line:null,column:null,name:null}};m.prototype.hasContentsOfAllSources=function(){return this._sections.every(function(k){return k.consumer.hasContentsOfAllSources()})};m.prototype.sourceContentFor=function(k,u){for(var d=0;d<this._sections.length;d++){var g=this._sections[d].consumer.sourceContentFor(k,!0);if(g)return g}if(u)return null;throw Error('"'+k+'" is not in the SourceMap.');};m.prototype.generatedPositionFor=function(k){for(var u=0;u<this._sections.length;u++){var d=this._sections[u];if(-1!==
d.consumer.sources.indexOf(f.getArg(k,"source"))){var g=d.consumer.generatedPositionFor(k);if(g)return{line:g.line+(d.generatedOffset.generatedLine-1),column:g.column+(d.generatedOffset.generatedLine===g.line?d.generatedOffset.generatedColumn-1:0)}}}return{line:null,column:null}};m.prototype._parseMappings=function(k,u){this.__generatedMappings=[];this.__originalMappings=[];for(var d=0;d<this._sections.length;d++)for(var g=this._sections[d],n=g.consumer._generatedMappings,v=0;v<n.length;v++){var z=
n[v],G=g.consumer._sources.at(z.source);G=f.computeSourceURL(g.consumer.sourceRoot,G,this._sourceMapURL);this._sources.add(G);G=this._sources.indexOf(G);var D=null;z.name&&(D=g.consumer._names.at(z.name),this._names.add(D),D=this._names.indexOf(D));z={source:G,generatedLine:z.generatedLine+(g.generatedOffset.generatedLine-1),generatedColumn:z.generatedColumn+(g.generatedOffset.generatedLine===z.generatedLine?g.generatedOffset.generatedColumn-1:0),originalLine:z.originalLine,originalColumn:z.originalColumn,
name:D};this.__generatedMappings.push(z);"number"===typeof z.originalLine&&this.__originalMappings.push(z)}r(this.__generatedMappings,f.compareByGeneratedPositionsDeflated);r(this.__originalMappings,f.compareByOriginalPositions)};A.IndexedSourceMapConsumer=m},{"./array-set":10,"./base64-vlq":11,"./binary-search":13,"./quick-sort":15,"./util":19}],17:[function(C,J,A){function e(c){c||(c={});this._file=t.getArg(c,"file",null);this._sourceRoot=t.getArg(c,"sourceRoot",null);this._skipValidation=t.getArg(c,
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map:H}:null});var P=y.slice(0),W=I.slice(0);A.wrapCallSite=r;A.getErrorSource=u;A.mapSourcePosition=f;A.retrieveSourceMap=N;A.install=function(x){x=x||{};if(x.environment&&(a=x.environment,-1===["node","browser","auto"].indexOf(a)))throw Error("environment "+a+" was unknown. Available options are {auto, browser, node}");x.retrieveFile&&(x.overrideRetrieveFile&&(y.length=0),y.unshift(x.retrieveFile));x.retrieveSourceMap&&(x.overrideRetrieveSourceMap&&(I.length=0),I.unshift(x.retrieveSourceMap));if(x.hookRequire&&
!p()){var B=J.require("module"),F=B.prototype._compile;F.__sourceMapSupport||(B.prototype._compile=function(E,H){b[H]=E;h[H]=void 0;return F.call(this,E,H)},B.prototype._compile.__sourceMapSupport=!0)}L||(L="emptyCacheBetweenOperations"in x?x.emptyCacheBetweenOperations:!1);G||(G=!0,Error.prepareStackTrace=k);if(!D){x="handleUncaughtExceptions"in x?x.handleUncaughtExceptions:!0;try{!1===J.require("worker_threads").isMainThread&&(x=!1)}catch(E){}x&&"object"===typeof e&&null!==e&&"function"===typeof e.on&&
(D=!0,d())}};A.resetRetrieveHandlers=function(){y.length=0;I.length=0;y=P.slice(0);I=W.slice(0);N=t(I);K=t(y)}}).call(this,C("g5I+bs"))},{"buffer-from":4,fs:3,"g5I+bs":9,path:8,"source-map":20}]},{},[1]);return R});

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{
"name": "@cspotcode/source-map-support",
"description": "Fixes stack traces for files with source maps",
"version": "0.8.1",
"main": "./source-map-support.js",
"types": "./source-map-support.d.ts",
"scripts": {
"build": "node build.js",
"serve-tests": "http-server -p 1336",
"test": "mocha"
},
"files": [
"/register.d.ts",
"/register.js",
"/register-hook-require.d.ts",
"/register-hook-require.js",
"/source-map-support.d.ts",
"/source-map-support.js",
"/browser-source-map-support.js"
],
"dependencies": {
"@jridgewell/trace-mapping": "0.3.9"
},
"devDependencies": {
"@types/lodash": "^4.14.182",
"browserify": "^4.2.3",
"coffeescript": "^1.12.7",
"http-server": "^0.11.1",
"lodash": "^4.17.21",
"mocha": "^3.5.3",
"semver": "^7.3.7",
"source-map": "0.6.1",
"webpack": "^1.15.0"
},
"repository": {
"type": "git",
"url": "https://github.com/cspotcode/node-source-map-support"
},
"bugs": {
"url": "https://github.com/cspotcode/node-source-map-support/issues"
},
"license": "MIT",
"engines": {
"node": ">=12"
},
"volta": {
"node": "16.11.0",
"npm": "7.24.2"
}
}

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// tslint:disable:no-useless-files
// For following usage:
// import '@cspotcode/source-map-support/register-hook-require'
// Instead of:
// import sourceMapSupport from '@cspotcode/source-map-support'
// sourceMapSupport.install({hookRequire: true})

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require('./').install({
hookRequire: true
});

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// tslint:disable:no-useless-files
// For following usage:
// import '@cspotcode/source-map-support/register'
// Instead of:
// import sourceMapSupport from '@cspotcode/source-map-support'
// sourceMapSupport.install()

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require('./').install();

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// Type definitions for source-map-support 0.5
// Project: https://github.com/evanw/node-source-map-support
// Definitions by: Bart van der Schoor <https://github.com/Bartvds>
// Jason Cheatham <https://github.com/jason0x43>
// Alcedo Nathaniel De Guzman Jr <https://github.com/natealcedo>
// Griffin Yourick <https://github.com/tough-griff>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
export interface RawSourceMap {
version: 3;
sources: string[];
names: string[];
sourceRoot?: string;
sourcesContent?: string[];
mappings: string;
file: string;
}
/**
* Output of retrieveSourceMap().
* From source-map-support:
* The map field may be either a string or the parsed JSON object (i.e.,
* it must be a valid argument to the SourceMapConsumer constructor).
*/
export interface UrlAndMap {
url: string;
map: string | RawSourceMap;
}
/**
* Options to install().
*/
export interface Options {
handleUncaughtExceptions?: boolean | undefined;
hookRequire?: boolean | undefined;
emptyCacheBetweenOperations?: boolean | undefined;
environment?: 'auto' | 'browser' | 'node' | undefined;
overrideRetrieveFile?: boolean | undefined;
overrideRetrieveSourceMap?: boolean | undefined;
retrieveFile?(path: string): string;
retrieveSourceMap?(source: string): UrlAndMap | null;
/**
* Set false to disable redirection of require / import `source-map-support` to `@cspotcode/source-map-support`
*/
redirectConflictingLibrary?: boolean;
/**
* Callback will be called every time we redirect due to `redirectConflictingLibrary`
* This allows consumers to log helpful warnings if they choose.
* @param parent NodeJS.Module which made the require() or require.resolve() call
* @param options options object internally passed to node's `_resolveFilename` hook
*/
onConflictingLibraryRedirect?: (request: string, parent: any, isMain: boolean, options: any, redirectedRequest: string) => void;
}
export interface Position {
source: string;
line: number;
column: number;
}
export function wrapCallSite(frame: any /* StackFrame */): any /* StackFrame */;
export function getErrorSource(error: Error): string | null;
export function mapSourcePosition(position: Position): Position;
export function retrieveSourceMap(source: string): UrlAndMap | null;
export function resetRetrieveHandlers(): void;
/**
* Install SourceMap support.
* @param options Can be used to e.g. disable uncaughtException handler.
*/
export function install(options?: Options): void;
/**
* Uninstall SourceMap support.
*/
export function uninstall(): void;

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const { TraceMap, originalPositionFor, AnyMap } = require('@jridgewell/trace-mapping');
var path = require('path');
const { fileURLToPath, pathToFileURL } = require('url');
var util = require('util');
var fs;
try {
fs = require('fs');
if (!fs.existsSync || !fs.readFileSync) {
// fs doesn't have all methods we need
fs = null;
}
} catch (err) {
/* nop */
}
/**
* Requires a module which is protected against bundler minification.
*
* @param {NodeModule} mod
* @param {string} request
*/
function dynamicRequire(mod, request) {
return mod.require(request);
}
/**
* @typedef {{
* enabled: boolean;
* originalValue: any;
* installedValue: any;
* }} HookState
* Used for installing and uninstalling hooks
*/
// Increment this if the format of sharedData changes in a breaking way.
var sharedDataVersion = 1;
/**
* @template T
* @param {T} defaults
* @returns {T}
*/
function initializeSharedData(defaults) {
var sharedDataKey = 'source-map-support/sharedData';
if (typeof Symbol !== 'undefined') {
sharedDataKey = Symbol.for(sharedDataKey);
}
var sharedData = this[sharedDataKey];
if (!sharedData) {
sharedData = { version: sharedDataVersion };
if (Object.defineProperty) {
Object.defineProperty(this, sharedDataKey, { value: sharedData });
} else {
this[sharedDataKey] = sharedData;
}
}
if (sharedDataVersion !== sharedData.version) {
throw new Error("Multiple incompatible instances of source-map-support were loaded");
}
for (var key in defaults) {
if (!(key in sharedData)) {
sharedData[key] = defaults[key];
}
}
return sharedData;
}
// If multiple instances of source-map-support are loaded into the same
// context, they shouldn't overwrite each other. By storing handlers, caches,
// and other state on a shared object, different instances of
// source-map-support can work together in a limited way. This does require
// that future versions of source-map-support continue to support the fields on
// this object. If this internal contract ever needs to be broken, increment
// sharedDataVersion. (This version number is not the same as any of the
// package's version numbers, which should reflect the *external* API of
// source-map-support.)
var sharedData = initializeSharedData({
// Only install once if called multiple times
// Remember how the environment looked before installation so we can restore if able
/** @type {HookState} */
errorPrepareStackTraceHook: undefined,
/** @type {HookState} */
processEmitHook: undefined,
/** @type {HookState} */
moduleResolveFilenameHook: undefined,
/** @type {Array<(request: string, parent: any, isMain: boolean, options: any, redirectedRequest: string) => void>} */
onConflictingLibraryRedirectArr: [],
// If true, the caches are reset before a stack trace formatting operation
emptyCacheBetweenOperations: false,
// Maps a file path to a string containing the file contents
fileContentsCache: Object.create(null),
// Maps a file path to a source map for that file
/** @type {Record<string, {url: string, map: TraceMap}} */
sourceMapCache: Object.create(null),
// Priority list of retrieve handlers
retrieveFileHandlers: [],
retrieveMapHandlers: [],
// Priority list of internally-implemented handlers.
// When resetting state, we must keep these.
internalRetrieveFileHandlers: [],
internalRetrieveMapHandlers: [],
});
// Supports {browser, node, auto}
var environment = "auto";
// Regex for detecting source maps
var reSourceMap = /^data:application\/json[^,]+base64,/;
function isInBrowser() {
if (environment === "browser")
return true;
if (environment === "node")
return false;
return ((typeof window !== 'undefined') && (typeof XMLHttpRequest === 'function') && !(window.require && window.module && window.process && window.process.type === "renderer"));
}
function hasGlobalProcessEventEmitter() {
return ((typeof process === 'object') && (process !== null) && (typeof process.on === 'function'));
}
function tryFileURLToPath(v) {
if(isFileUrl(v)) {
return fileURLToPath(v);
}
return v;
}
// TODO un-copy these from resolve-uri; see if they can be exported from that lib
function isFileUrl(input) {
return input.startsWith('file:');
}
function isAbsoluteUrl(input) {
return schemeRegex.test(input);
}
// Matches the scheme of a URL, eg "http://"
const schemeRegex = /^[\w+.-]+:\/\//;
function isSchemeRelativeUrl(input) {
return input.startsWith('//');
}
// #region Caches
/** @param {string} pathOrFileUrl */
function getCacheKey(pathOrFileUrl) {
if(pathOrFileUrl.startsWith('node:')) return pathOrFileUrl;
if(isFileUrl(pathOrFileUrl)) {
// Must normalize spaces to %20, stuff like that
return new URL(pathOrFileUrl).toString();
} else {
try {
return pathToFileURL(pathOrFileUrl).toString();
} catch {
return pathOrFileUrl;
}
}
}
function getFileContentsCache(key) {
return sharedData.fileContentsCache[getCacheKey(key)];
}
function hasFileContentsCacheFromKey(key) {
return Object.prototype.hasOwnProperty.call(sharedData.fileContentsCache, key);
}
function getFileContentsCacheFromKey(key) {
return sharedData.fileContentsCache[key];
}
function setFileContentsCache(key, value) {
return sharedData.fileContentsCache[getCacheKey(key)] = value;
}
function getSourceMapCache(key) {
return sharedData.sourceMapCache[getCacheKey(key)];
}
function setSourceMapCache(key, value) {
return sharedData.sourceMapCache[getCacheKey(key)] = value;
}
function clearCaches() {
sharedData.fileContentsCache = Object.create(null);
sharedData.sourceMapCache = Object.create(null);
}
// #endregion Caches
function handlerExec(list, internalList) {
return function(arg) {
for (var i = 0; i < list.length; i++) {
var ret = list[i](arg);
if (ret) {
return ret;
}
}
for (var i = 0; i < internalList.length; i++) {
var ret = internalList[i](arg);
if (ret) {
return ret;
}
}
return null;
};
}
var retrieveFile = handlerExec(sharedData.retrieveFileHandlers, sharedData.internalRetrieveFileHandlers);
sharedData.internalRetrieveFileHandlers.push(function(path) {
// Trim the path to make sure there is no extra whitespace.
path = path.trim();
if (/^file:/.test(path)) {
// existsSync/readFileSync can't handle file protocol, but once stripped, it works
path = path.replace(/file:\/\/\/(\w:)?/, function(protocol, drive) {
return drive ?
'' : // file:///C:/dir/file -> C:/dir/file
'/'; // file:///root-dir/file -> /root-dir/file
});
}
const key = getCacheKey(path);
if(hasFileContentsCacheFromKey(key)) {
return getFileContentsCacheFromKey(key);
}
var contents = '';
try {
if (!fs) {
// Use SJAX if we are in the browser
var xhr = new XMLHttpRequest();
xhr.open('GET', path, /** async */ false);
xhr.send(null);
if (xhr.readyState === 4 && xhr.status === 200) {
contents = xhr.responseText;
}
} else if (fs.existsSync(path)) {
// Otherwise, use the filesystem
contents = fs.readFileSync(path, 'utf8');
}
} catch (er) {
/* ignore any errors */
}
return setFileContentsCache(path, contents);
});
// Support URLs relative to a directory, but be careful about a protocol prefix
// in case we are in the browser (i.e. directories may start with "http://" or "file:///")
function supportRelativeURL(file, url) {
if(!file) return url;
// given that this happens within error formatting codepath, probably best to
// fallback instead of throwing if anything goes wrong
try {
// if should output a URL
if(isAbsoluteUrl(file) || isSchemeRelativeUrl(file)) {
if(isAbsoluteUrl(url) || isSchemeRelativeUrl(url)) {
return new URL(url, file).toString();
}
if(path.isAbsolute(url)) {
return new URL(pathToFileURL(url), file).toString();
}
// url is relative path or URL
return new URL(url.replace(/\\/g, '/'), file).toString();
}
// if should output a path (unless URL is something like https://)
if(path.isAbsolute(file)) {
if(isFileUrl(url)) {
return fileURLToPath(url);
}
if(isSchemeRelativeUrl(url)) {
return fileURLToPath(new URL(url, 'file://'));
}
if(isAbsoluteUrl(url)) {
// url is a non-file URL
// Go with the URL
return url;
}
if(path.isAbsolute(url)) {
// Normalize at all? decodeURI or normalize slashes?
return path.normalize(url);
}
// url is relative path or URL
return path.join(file, '..', decodeURI(url));
}
// If we get here, file is relative.
// Shouldn't happen since node identifies modules with absolute paths or URLs.
// But we can take a stab at returning something meaningful anyway.
if(isAbsoluteUrl(url) || isSchemeRelativeUrl(url)) {
return url;
}
return path.join(file, '..', url);
} catch(e) {
return url;
}
}
// Return pathOrUrl in the same style as matchStyleOf: either a file URL or a native path
function matchStyleOfPathOrUrl(matchStyleOf, pathOrUrl) {
try {
if(isAbsoluteUrl(matchStyleOf) || isSchemeRelativeUrl(matchStyleOf)) {
if(isAbsoluteUrl(pathOrUrl) || isSchemeRelativeUrl(pathOrUrl)) return pathOrUrl;
if(path.isAbsolute(pathOrUrl)) return pathToFileURL(pathOrUrl).toString();
} else if(path.isAbsolute(matchStyleOf)) {
if(isAbsoluteUrl(pathOrUrl) || isSchemeRelativeUrl(pathOrUrl)) {
return fileURLToPath(new URL(pathOrUrl, 'file://'));
}
}
return pathOrUrl;
} catch(e) {
return pathOrUrl;
}
}
function retrieveSourceMapURL(source) {
var fileData;
if (isInBrowser()) {
try {
var xhr = new XMLHttpRequest();
xhr.open('GET', source, false);
xhr.send(null);
fileData = xhr.readyState === 4 ? xhr.responseText : null;
// Support providing a sourceMappingURL via the SourceMap header
var sourceMapHeader = xhr.getResponseHeader("SourceMap") ||
xhr.getResponseHeader("X-SourceMap");
if (sourceMapHeader) {
return sourceMapHeader;
}
} catch (e) {
}
}
// Get the URL of the source map
fileData = retrieveFile(tryFileURLToPath(source));
var re = /(?:\/\/[@#][\s]*sourceMappingURL=([^\s'"]+)[\s]*$)|(?:\/\*[@#][\s]*sourceMappingURL=([^\s*'"]+)[\s]*(?:\*\/)[\s]*$)/mg;
// Keep executing the search to find the *last* sourceMappingURL to avoid
// picking up sourceMappingURLs from comments, strings, etc.
var lastMatch, match;
while (match = re.exec(fileData)) lastMatch = match;
if (!lastMatch) return null;
return lastMatch[1];
};
// Can be overridden by the retrieveSourceMap option to install. Takes a
// generated source filename; returns a {map, optional url} object, or null if
// there is no source map. The map field may be either a string or the parsed
// JSON object (ie, it must be a valid argument to the SourceMapConsumer
// constructor).
/** @type {(source: string) => import('./source-map-support').UrlAndMap | null} */
var retrieveSourceMap = handlerExec(sharedData.retrieveMapHandlers, sharedData.internalRetrieveMapHandlers);
sharedData.internalRetrieveMapHandlers.push(function(source) {
var sourceMappingURL = retrieveSourceMapURL(source);
if (!sourceMappingURL) return null;
// Read the contents of the source map
var sourceMapData;
if (reSourceMap.test(sourceMappingURL)) {
// Support source map URL as a data url
var rawData = sourceMappingURL.slice(sourceMappingURL.indexOf(',') + 1);
sourceMapData = Buffer.from(rawData, "base64").toString();
sourceMappingURL = source;
} else {
// Support source map URLs relative to the source URL
sourceMappingURL = supportRelativeURL(source, sourceMappingURL);
sourceMapData = retrieveFile(tryFileURLToPath(sourceMappingURL));
}
if (!sourceMapData) {
return null;
}
return {
url: sourceMappingURL,
map: sourceMapData
};
});
function mapSourcePosition(position) {
var sourceMap = getSourceMapCache(position.source);
if (!sourceMap) {
// Call the (overrideable) retrieveSourceMap function to get the source map.
var urlAndMap = retrieveSourceMap(position.source);
if (urlAndMap) {
sourceMap = setSourceMapCache(position.source, {
url: urlAndMap.url,
map: new AnyMap(urlAndMap.map, urlAndMap.url)
});
// Overwrite trace-mapping's resolutions, because they do not handle
// Windows paths the way we want.
// TODO Remove now that windows path support was added to resolve-uri and thus trace-mapping?
sourceMap.map.resolvedSources = sourceMap.map.sources.map(s => supportRelativeURL(sourceMap.url, s));
// Load all sources stored inline with the source map into the file cache
// to pretend like they are already loaded. They may not exist on disk.
if (sourceMap.map.sourcesContent) {
sourceMap.map.resolvedSources.forEach(function(resolvedSource, i) {
var contents = sourceMap.map.sourcesContent[i];
if (contents) {
setFileContentsCache(resolvedSource, contents);
}
});
}
} else {
sourceMap = setSourceMapCache(position.source, {
url: null,
map: null
});
}
}
// Resolve the source URL relative to the URL of the source map
if (sourceMap && sourceMap.map) {
var originalPosition = originalPositionFor(sourceMap.map, position);
// Only return the original position if a matching line was found. If no
// matching line is found then we return position instead, which will cause
// the stack trace to print the path and line for the compiled file. It is
// better to give a precise location in the compiled file than a vague
// location in the original file.
if (originalPosition.source !== null) {
// originalPosition.source has *already* been resolved against sourceMap.url
// so is *already* as absolute as possible.
// However, we want to ensure we output in same format as input: URL or native path
originalPosition.source = matchStyleOfPathOrUrl(
position.source, originalPosition.source);
return originalPosition;
}
}
return position;
}
// Parses code generated by FormatEvalOrigin(), a function inside V8:
// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
function mapEvalOrigin(origin) {
// Most eval() calls are in this format
var match = /^eval at ([^(]+) \((.+):(\d+):(\d+)\)$/.exec(origin);
if (match) {
var position = mapSourcePosition({
source: match[2],
line: +match[3],
column: match[4] - 1
});
return 'eval at ' + match[1] + ' (' + position.source + ':' +
position.line + ':' + (position.column + 1) + ')';
}
// Parse nested eval() calls using recursion
match = /^eval at ([^(]+) \((.+)\)$/.exec(origin);
if (match) {
return 'eval at ' + match[1] + ' (' + mapEvalOrigin(match[2]) + ')';
}
// Make sure we still return useful information if we didn't find anything
return origin;
}
// This is copied almost verbatim from the V8 source code at
// https://code.google.com/p/v8/source/browse/trunk/src/messages.js
// Update 2022-04-29:
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/builtins/builtins-callsite.cc#L175-L179
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/objects/call-site-info.cc#L795-L804
// https://github.com/v8/v8/blob/98f6f100c5ab8e390e51422747c4ef644d5ac6f2/src/objects/call-site-info.cc#L717-L750
// The implementation of wrapCallSite() used to just forward to the actual source
// code of CallSite.prototype.toString but unfortunately a new release of V8
// did something to the prototype chain and broke the shim. The only fix I
// could find was copy/paste.
function CallSiteToString() {
var fileName;
var fileLocation = "";
if (this.isNative()) {
fileLocation = "native";
} else {
fileName = this.getScriptNameOrSourceURL();
if (!fileName && this.isEval()) {
fileLocation = this.getEvalOrigin();
fileLocation += ", "; // Expecting source position to follow.
}
if (fileName) {
fileLocation += fileName;
} else {
// Source code does not originate from a file and is not native, but we
// can still get the source position inside the source string, e.g. in
// an eval string.
fileLocation += "<anonymous>";
}
var lineNumber = this.getLineNumber();
if (lineNumber != null) {
fileLocation += ":" + lineNumber;
var columnNumber = this.getColumnNumber();
if (columnNumber) {
fileLocation += ":" + columnNumber;
}
}
}
var line = "";
var isAsync = this.isAsync ? this.isAsync() : false;
if(isAsync) {
line += 'async ';
var isPromiseAll = this.isPromiseAll ? this.isPromiseAll() : false;
var isPromiseAny = this.isPromiseAny ? this.isPromiseAny() : false;
if(isPromiseAny || isPromiseAll) {
line += isPromiseAll ? 'Promise.all (index ' : 'Promise.any (index ';
var promiseIndex = this.getPromiseIndex();
line += promiseIndex + ')';
}
}
var functionName = this.getFunctionName();
var addSuffix = true;
var isConstructor = this.isConstructor();
var isMethodCall = !(this.isToplevel() || isConstructor);
if (isMethodCall) {
var typeName = this.getTypeName();
// Fixes shim to be backward compatable with Node v0 to v4
if (typeName === "[object Object]") {
typeName = "null";
}
var methodName = this.getMethodName();
if (functionName) {
if (typeName && functionName.indexOf(typeName) != 0) {
line += typeName + ".";
}
line += functionName;
if (methodName && functionName.indexOf("." + methodName) != functionName.length - methodName.length - 1) {
line += " [as " + methodName + "]";
}
} else {
line += typeName + "." + (methodName || "<anonymous>");
}
} else if (isConstructor) {
line += "new " + (functionName || "<anonymous>");
} else if (functionName) {
line += functionName;
} else {
line += fileLocation;
addSuffix = false;
}
if (addSuffix) {
line += " (" + fileLocation + ")";
}
return line;
}
function cloneCallSite(frame) {
var object = {};
Object.getOwnPropertyNames(Object.getPrototypeOf(frame)).forEach(function(name) {
object[name] = /^(?:is|get)/.test(name) ? function() { return frame[name].call(frame); } : frame[name];
});
object.toString = CallSiteToString;
return object;
}
function wrapCallSite(frame, state) {
// provides interface backward compatibility
if (state === undefined) {
state = { nextPosition: null, curPosition: null }
}
if(frame.isNative()) {
state.curPosition = null;
return frame;
}
// Most call sites will return the source file from getFileName(), but code
// passed to eval() ending in "//# sourceURL=..." will return the source file
// from getScriptNameOrSourceURL() instead
var source = frame.getFileName() || frame.getScriptNameOrSourceURL();
if (source) {
// v8 does not expose its internal isWasm, etc methods, so we do this instead.
if(source.startsWith('wasm://')) {
state.curPosition = null;
return frame;
}
var line = frame.getLineNumber();
var column = frame.getColumnNumber() - 1;
// Fix position in Node where some (internal) code is prepended.
// See https://github.com/evanw/node-source-map-support/issues/36
// Header removed in node at ^10.16 || >=11.11.0
// v11 is not an LTS candidate, we can just test the one version with it.
// Test node versions for: 10.16-19, 10.20+, 12-19, 20-99, 100+, or 11.11
var noHeader = /^v(10\.1[6-9]|10\.[2-9][0-9]|10\.[0-9]{3,}|1[2-9]\d*|[2-9]\d|\d{3,}|11\.11)/;
var headerLength = noHeader.test(process.version) ? 0 : 62;
if (line === 1 && column > headerLength && !isInBrowser() && !frame.isEval()) {
column -= headerLength;
}
var position = mapSourcePosition({
source: source,
line: line,
column: column
});
state.curPosition = position;
frame = cloneCallSite(frame);
var originalFunctionName = frame.getFunctionName;
frame.getFunctionName = function() {
if (state.nextPosition == null) {
return originalFunctionName();
}
return state.nextPosition.name || originalFunctionName();
};
frame.getFileName = function() { return position.source; };
frame.getLineNumber = function() { return position.line; };
frame.getColumnNumber = function() { return position.column + 1; };
frame.getScriptNameOrSourceURL = function() { return position.source; };
return frame;
}
// Code called using eval() needs special handling
var origin = frame.isEval() && frame.getEvalOrigin();
if (origin) {
origin = mapEvalOrigin(origin);
frame = cloneCallSite(frame);
frame.getEvalOrigin = function() { return origin; };
return frame;
}
// If we get here then we were unable to change the source position
return frame;
}
var kIsNodeError = undefined;
try {
// Get a deliberate ERR_INVALID_ARG_TYPE
// TODO is there a better way to reliably get an instance of NodeError?
path.resolve(123);
} catch(e) {
const symbols = Object.getOwnPropertySymbols(e);
const symbol = symbols.find(function (s) {return s.toString().indexOf('kIsNodeError') >= 0});
if(symbol) kIsNodeError = symbol;
}
const ErrorPrototypeToString = (err) =>Error.prototype.toString.call(err);
/** @param {HookState} hookState */
function createPrepareStackTrace(hookState) {
return prepareStackTrace;
// This function is part of the V8 stack trace API, for more info see:
// https://v8.dev/docs/stack-trace-api
function prepareStackTrace(error, stack) {
if(!hookState.enabled) return hookState.originalValue.apply(this, arguments);
if (sharedData.emptyCacheBetweenOperations) {
clearCaches();
}
// node gives its own errors special treatment. Mimic that behavior
// https://github.com/nodejs/node/blob/3cbaabc4622df1b4009b9d026a1a970bdbae6e89/lib/internal/errors.js#L118-L128
// https://github.com/nodejs/node/pull/39182
var errorString;
if (kIsNodeError) {
if(kIsNodeError in error) {
errorString = `${error.name} [${error.code}]: ${error.message}`;
} else {
errorString = ErrorPrototypeToString(error);
}
} else {
var name = error.name || 'Error';
var message = error.message || '';
errorString = message ? name + ": " + message : name;
}
var state = { nextPosition: null, curPosition: null };
var processedStack = [];
for (var i = stack.length - 1; i >= 0; i--) {
processedStack.push('\n at ' + wrapCallSite(stack[i], state));
state.nextPosition = state.curPosition;
}
state.curPosition = state.nextPosition = null;
return errorString + processedStack.reverse().join('');
}
}
// Generate position and snippet of original source with pointer
function getErrorSource(error) {
var match = /\n at [^(]+ \((.*):(\d+):(\d+)\)/.exec(error.stack);
if (match) {
var source = match[1];
var line = +match[2];
var column = +match[3];
// Support the inline sourceContents inside the source map
var contents = getFileContentsCache(source);
const sourceAsPath = tryFileURLToPath(source);
// Support files on disk
if (!contents && fs && fs.existsSync(sourceAsPath)) {
try {
contents = fs.readFileSync(sourceAsPath, 'utf8');
} catch (er) {
contents = '';
}
}
// Format the line from the original source code like node does
if (contents) {
var code = contents.split(/(?:\r\n|\r|\n)/)[line - 1];
if (code) {
return source + ':' + line + '\n' + code + '\n' +
new Array(column).join(' ') + '^';
}
}
}
return null;
}
function printFatalErrorUponExit (error) {
var source = getErrorSource(error);
// Ensure error is printed synchronously and not truncated
if (process.stderr._handle && process.stderr._handle.setBlocking) {
process.stderr._handle.setBlocking(true);
}
if (source) {
console.error(source);
}
// Matches node's behavior for colorized output
console.error(
util.inspect(error, {
customInspect: false,
colors: process.stderr.isTTY
})
);
}
function shimEmitUncaughtException () {
const originalValue = process.emit;
var hook = sharedData.processEmitHook = {
enabled: true,
originalValue,
installedValue: undefined
};
var isTerminatingDueToFatalException = false;
var fatalException;
process.emit = sharedData.processEmitHook.installedValue = function (type) {
const hadListeners = originalValue.apply(this, arguments);
if(hook.enabled) {
if (type === 'uncaughtException' && !hadListeners) {
isTerminatingDueToFatalException = true;
fatalException = arguments[1];
process.exit(1);
}
if (type === 'exit' && isTerminatingDueToFatalException) {
printFatalErrorUponExit(fatalException);
}
}
return hadListeners;
};
}
var originalRetrieveFileHandlers = sharedData.retrieveFileHandlers.slice(0);
var originalRetrieveMapHandlers = sharedData.retrieveMapHandlers.slice(0);
exports.wrapCallSite = wrapCallSite;
exports.getErrorSource = getErrorSource;
exports.mapSourcePosition = mapSourcePosition;
exports.retrieveSourceMap = retrieveSourceMap;
exports.install = function(options) {
options = options || {};
if (options.environment) {
environment = options.environment;
if (["node", "browser", "auto"].indexOf(environment) === -1) {
throw new Error("environment " + environment + " was unknown. Available options are {auto, browser, node}")
}
}
// Use dynamicRequire to avoid including in browser bundles
var Module = dynamicRequire(module, 'module');
// Redirect subsequent imports of "source-map-support"
// to this package
const {redirectConflictingLibrary = true, onConflictingLibraryRedirect} = options;
if(redirectConflictingLibrary) {
if (!sharedData.moduleResolveFilenameHook) {
const originalValue = Module._resolveFilename;
const moduleResolveFilenameHook = sharedData.moduleResolveFilenameHook = {
enabled: true,
originalValue,
installedValue: undefined,
}
Module._resolveFilename = sharedData.moduleResolveFilenameHook.installedValue = function (request, parent, isMain, options) {
if (moduleResolveFilenameHook.enabled) {
// Match all source-map-support entrypoints: source-map-support, source-map-support/register
let requestRedirect;
if (request === 'source-map-support') {
requestRedirect = './';
} else if (request === 'source-map-support/register') {
requestRedirect = './register';
}
if (requestRedirect !== undefined) {
const newRequest = require.resolve(requestRedirect);
for (const cb of sharedData.onConflictingLibraryRedirectArr) {
cb(request, parent, isMain, options, newRequest);
}
request = newRequest;
}
}
return originalValue.call(this, request, parent, isMain, options);
}
}
if (onConflictingLibraryRedirect) {
sharedData.onConflictingLibraryRedirectArr.push(onConflictingLibraryRedirect);
}
}
// Allow sources to be found by methods other than reading the files
// directly from disk.
if (options.retrieveFile) {
if (options.overrideRetrieveFile) {
sharedData.retrieveFileHandlers.length = 0;
}
sharedData.retrieveFileHandlers.unshift(options.retrieveFile);
}
// Allow source maps to be found by methods other than reading the files
// directly from disk.
if (options.retrieveSourceMap) {
if (options.overrideRetrieveSourceMap) {
sharedData.retrieveMapHandlers.length = 0;
}
sharedData.retrieveMapHandlers.unshift(options.retrieveSourceMap);
}
// Support runtime transpilers that include inline source maps
if (options.hookRequire && !isInBrowser()) {
var $compile = Module.prototype._compile;
if (!$compile.__sourceMapSupport) {
Module.prototype._compile = function(content, filename) {
setFileContentsCache(filename, content);
setSourceMapCache(filename, undefined);
return $compile.call(this, content, filename);
};
Module.prototype._compile.__sourceMapSupport = true;
}
}
// Configure options
if (!sharedData.emptyCacheBetweenOperations) {
sharedData.emptyCacheBetweenOperations = 'emptyCacheBetweenOperations' in options ?
options.emptyCacheBetweenOperations : false;
}
// Install the error reformatter
if (!sharedData.errorPrepareStackTraceHook) {
const originalValue = Error.prepareStackTrace;
sharedData.errorPrepareStackTraceHook = {
enabled: true,
originalValue,
installedValue: undefined
};
Error.prepareStackTrace = sharedData.errorPrepareStackTraceHook.installedValue = createPrepareStackTrace(sharedData.errorPrepareStackTraceHook);
}
if (!sharedData.processEmitHook) {
var installHandler = 'handleUncaughtExceptions' in options ?
options.handleUncaughtExceptions : true;
// Do not override 'uncaughtException' with our own handler in Node.js
// Worker threads. Workers pass the error to the main thread as an event,
// rather than printing something to stderr and exiting.
try {
// We need to use `dynamicRequire` because `require` on it's own will be optimized by WebPack/Browserify.
var worker_threads = dynamicRequire(module, 'worker_threads');
if (worker_threads.isMainThread === false) {
installHandler = false;
}
} catch(e) {}
// Provide the option to not install the uncaught exception handler. This is
// to support other uncaught exception handlers (in test frameworks, for
// example). If this handler is not installed and there are no other uncaught
// exception handlers, uncaught exceptions will be caught by node's built-in
// exception handler and the process will still be terminated. However, the
// generated JavaScript code will be shown above the stack trace instead of
// the original source code.
if (installHandler && hasGlobalProcessEventEmitter()) {
shimEmitUncaughtException();
}
}
};
exports.uninstall = function() {
if(sharedData.processEmitHook) {
// Disable behavior
sharedData.processEmitHook.enabled = false;
// If possible, remove our hook function. May not be possible if subsequent third-party hooks have wrapped around us.
if(process.emit === sharedData.processEmitHook.installedValue) {
process.emit = sharedData.processEmitHook.originalValue;
}
sharedData.processEmitHook = undefined;
}
if(sharedData.errorPrepareStackTraceHook) {
// Disable behavior
sharedData.errorPrepareStackTraceHook.enabled = false;
// If possible or necessary, remove our hook function.
// In vanilla environments, prepareStackTrace is `undefined`.
// We cannot delegate to `undefined` the way we can to a function w/`.apply()`; our only option is to remove the function.
// If we are the *first* hook installed, and another was installed on top of us, we have no choice but to remove both.
if(Error.prepareStackTrace === sharedData.errorPrepareStackTraceHook.installedValue || typeof sharedData.errorPrepareStackTraceHook.originalValue !== 'function') {
Error.prepareStackTrace = sharedData.errorPrepareStackTraceHook.originalValue;
}
sharedData.errorPrepareStackTraceHook = undefined;
}
if (sharedData.moduleResolveFilenameHook) {
// Disable behavior
sharedData.moduleResolveFilenameHook.enabled = false;
// If possible, remove our hook function. May not be possible if subsequent third-party hooks have wrapped around us.
var Module = dynamicRequire(module, 'module');
if(Module._resolveFilename === sharedData.moduleResolveFilenameHook.installedValue) {
Module._resolveFilename = sharedData.moduleResolveFilenameHook.originalValue;
}
sharedData.moduleResolveFilenameHook = undefined;
}
sharedData.onConflictingLibraryRedirectArr.length = 0;
}
exports.resetRetrieveHandlers = function() {
sharedData.retrieveFileHandlers.length = 0;
sharedData.retrieveMapHandlers.length = 0;
}

19
node_modules/@jridgewell/resolve-uri/LICENSE generated vendored Normal file
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@ -0,0 +1,19 @@
Copyright 2019 Justin Ridgewell <jridgewell@google.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

40
node_modules/@jridgewell/resolve-uri/README.md generated vendored Normal file
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# @jridgewell/resolve-uri
> Resolve a URI relative to an optional base URI
Resolve any combination of absolute URIs, protocol-realtive URIs, absolute paths, or relative paths.
## Installation
```sh
npm install @jridgewell/resolve-uri
```
## Usage
```typescript
function resolve(input: string, base?: string): string;
```
```js
import resolve from '@jridgewell/resolve-uri';
resolve('foo', 'https://example.com'); // => 'https://example.com/foo'
```
| Input | Base | Resolution | Explanation |
|-----------------------|-------------------------|--------------------------------|--------------------------------------------------------------|
| `https://example.com` | _any_ | `https://example.com/` | Input is normalized only |
| `//example.com` | `https://base.com/` | `https://example.com/` | Input inherits the base's protocol |
| `//example.com` | _rest_ | `//example.com/` | Input is normalized only |
| `/example` | `https://base.com/` | `https://base.com/example` | Input inherits the base's origin |
| `/example` | `//base.com/` | `//base.com/example` | Input inherits the base's host and remains protocol relative |
| `/example` | _rest_ | `/example` | Input is normalized only |
| `example` | `https://base.com/dir/` | `https://base.com/dir/example` | Input is joined with the base |
| `example` | `https://base.com/file` | `https://base.com/example` | Input is joined with the base without its file |
| `example` | `//base.com/dir/` | `//base.com/dir/example` | Input is joined with the base's last directory |
| `example` | `//base.com/file` | `//base.com/example` | Input is joined with the base without its file |
| `example` | `/base/dir/` | `/base/dir/example` | Input is joined with the base's last directory |
| `example` | `/base/file` | `/base/example` | Input is joined with the base without its file |
| `example` | `base/dir/` | `base/dir/example` | Input is joined with the base's last directory |
| `example` | `base/file` | `base/example` | Input is joined with the base without its file |

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// Matches the scheme of a URL, eg "http://"
const schemeRegex = /^[\w+.-]+:\/\//;
/**
* Matches the parts of a URL:
* 1. Scheme, including ":", guaranteed.
* 2. User/password, including "@", optional.
* 3. Host, guaranteed.
* 4. Port, including ":", optional.
* 5. Path, including "/", optional.
* 6. Query, including "?", optional.
* 7. Hash, including "#", optional.
*/
const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/;
/**
* File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start
* with a leading `/`, they can have a domain (but only if they don't start with a Windows drive).
*
* 1. Host, optional.
* 2. Path, which may include "/", guaranteed.
* 3. Query, including "?", optional.
* 4. Hash, including "#", optional.
*/
const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i;
function isAbsoluteUrl(input) {
return schemeRegex.test(input);
}
function isSchemeRelativeUrl(input) {
return input.startsWith('//');
}
function isAbsolutePath(input) {
return input.startsWith('/');
}
function isFileUrl(input) {
return input.startsWith('file:');
}
function isRelative(input) {
return /^[.?#]/.test(input);
}
function parseAbsoluteUrl(input) {
const match = urlRegex.exec(input);
return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || '');
}
function parseFileUrl(input) {
const match = fileRegex.exec(input);
const path = match[2];
return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || '');
}
function makeUrl(scheme, user, host, port, path, query, hash) {
return {
scheme,
user,
host,
port,
path,
query,
hash,
type: 7 /* Absolute */,
};
}
function parseUrl(input) {
if (isSchemeRelativeUrl(input)) {
const url = parseAbsoluteUrl('http:' + input);
url.scheme = '';
url.type = 6 /* SchemeRelative */;
return url;
}
if (isAbsolutePath(input)) {
const url = parseAbsoluteUrl('http://foo.com' + input);
url.scheme = '';
url.host = '';
url.type = 5 /* AbsolutePath */;
return url;
}
if (isFileUrl(input))
return parseFileUrl(input);
if (isAbsoluteUrl(input))
return parseAbsoluteUrl(input);
const url = parseAbsoluteUrl('http://foo.com/' + input);
url.scheme = '';
url.host = '';
url.type = input
? input.startsWith('?')
? 3 /* Query */
: input.startsWith('#')
? 2 /* Hash */
: 4 /* RelativePath */
: 1 /* Empty */;
return url;
}
function stripPathFilename(path) {
// If a path ends with a parent directory "..", then it's a relative path with excess parent
// paths. It's not a file, so we can't strip it.
if (path.endsWith('/..'))
return path;
const index = path.lastIndexOf('/');
return path.slice(0, index + 1);
}
function mergePaths(url, base) {
normalizePath(base, base.type);
// If the path is just a "/", then it was an empty path to begin with (remember, we're a relative
// path).
if (url.path === '/') {
url.path = base.path;
}
else {
// Resolution happens relative to the base path's directory, not the file.
url.path = stripPathFilename(base.path) + url.path;
}
}
/**
* The path can have empty directories "//", unneeded parents "foo/..", or current directory
* "foo/.". We need to normalize to a standard representation.
*/
function normalizePath(url, type) {
const rel = type <= 4 /* RelativePath */;
const pieces = url.path.split('/');
// We need to preserve the first piece always, so that we output a leading slash. The item at
// pieces[0] is an empty string.
let pointer = 1;
// Positive is the number of real directories we've output, used for popping a parent directory.
// Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo".
let positive = 0;
// We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will
// generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a
// real directory, we won't need to append, unless the other conditions happen again.
let addTrailingSlash = false;
for (let i = 1; i < pieces.length; i++) {
const piece = pieces[i];
// An empty directory, could be a trailing slash, or just a double "//" in the path.
if (!piece) {
addTrailingSlash = true;
continue;
}
// If we encounter a real directory, then we don't need to append anymore.
addTrailingSlash = false;
// A current directory, which we can always drop.
if (piece === '.')
continue;
// A parent directory, we need to see if there are any real directories we can pop. Else, we
// have an excess of parents, and we'll need to keep the "..".
if (piece === '..') {
if (positive) {
addTrailingSlash = true;
positive--;
pointer--;
}
else if (rel) {
// If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute
// URL, protocol relative URL, or an absolute path, we don't need to keep excess.
pieces[pointer++] = piece;
}
continue;
}
// We've encountered a real directory. Move it to the next insertion pointer, which accounts for
// any popped or dropped directories.
pieces[pointer++] = piece;
positive++;
}
let path = '';
for (let i = 1; i < pointer; i++) {
path += '/' + pieces[i];
}
if (!path || (addTrailingSlash && !path.endsWith('/..'))) {
path += '/';
}
url.path = path;
}
/**
* Attempts to resolve `input` URL/path relative to `base`.
*/
function resolve(input, base) {
if (!input && !base)
return '';
const url = parseUrl(input);
let inputType = url.type;
if (base && inputType !== 7 /* Absolute */) {
const baseUrl = parseUrl(base);
const baseType = baseUrl.type;
switch (inputType) {
case 1 /* Empty */:
url.hash = baseUrl.hash;
// fall through
case 2 /* Hash */:
url.query = baseUrl.query;
// fall through
case 3 /* Query */:
case 4 /* RelativePath */:
mergePaths(url, baseUrl);
// fall through
case 5 /* AbsolutePath */:
// The host, user, and port are joined, you can't copy one without the others.
url.user = baseUrl.user;
url.host = baseUrl.host;
url.port = baseUrl.port;
// fall through
case 6 /* SchemeRelative */:
// The input doesn't have a schema at least, so we need to copy at least that over.
url.scheme = baseUrl.scheme;
}
if (baseType > inputType)
inputType = baseType;
}
normalizePath(url, inputType);
const queryHash = url.query + url.hash;
switch (inputType) {
// This is impossible, because of the empty checks at the start of the function.
// case UrlType.Empty:
case 2 /* Hash */:
case 3 /* Query */:
return queryHash;
case 4 /* RelativePath */: {
// The first char is always a "/", and we need it to be relative.
const path = url.path.slice(1);
if (!path)
return queryHash || '.';
if (isRelative(base || input) && !isRelative(path)) {
// If base started with a leading ".", or there is no base and input started with a ".",
// then we need to ensure that the relative path starts with a ".". We don't know if
// relative starts with a "..", though, so check before prepending.
return './' + path + queryHash;
}
return path + queryHash;
}
case 5 /* AbsolutePath */:
return url.path + queryHash;
default:
return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash;
}
}
export { resolve as default };
//# sourceMappingURL=resolve-uri.mjs.map

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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.resolveURI = factory());
})(this, (function () { 'use strict';
// Matches the scheme of a URL, eg "http://"
const schemeRegex = /^[\w+.-]+:\/\//;
/**
* Matches the parts of a URL:
* 1. Scheme, including ":", guaranteed.
* 2. User/password, including "@", optional.
* 3. Host, guaranteed.
* 4. Port, including ":", optional.
* 5. Path, including "/", optional.
* 6. Query, including "?", optional.
* 7. Hash, including "#", optional.
*/
const urlRegex = /^([\w+.-]+:)\/\/([^@/#?]*@)?([^:/#?]*)(:\d+)?(\/[^#?]*)?(\?[^#]*)?(#.*)?/;
/**
* File URLs are weird. They dont' need the regular `//` in the scheme, they may or may not start
* with a leading `/`, they can have a domain (but only if they don't start with a Windows drive).
*
* 1. Host, optional.
* 2. Path, which may include "/", guaranteed.
* 3. Query, including "?", optional.
* 4. Hash, including "#", optional.
*/
const fileRegex = /^file:(?:\/\/((?![a-z]:)[^/#?]*)?)?(\/?[^#?]*)(\?[^#]*)?(#.*)?/i;
function isAbsoluteUrl(input) {
return schemeRegex.test(input);
}
function isSchemeRelativeUrl(input) {
return input.startsWith('//');
}
function isAbsolutePath(input) {
return input.startsWith('/');
}
function isFileUrl(input) {
return input.startsWith('file:');
}
function isRelative(input) {
return /^[.?#]/.test(input);
}
function parseAbsoluteUrl(input) {
const match = urlRegex.exec(input);
return makeUrl(match[1], match[2] || '', match[3], match[4] || '', match[5] || '/', match[6] || '', match[7] || '');
}
function parseFileUrl(input) {
const match = fileRegex.exec(input);
const path = match[2];
return makeUrl('file:', '', match[1] || '', '', isAbsolutePath(path) ? path : '/' + path, match[3] || '', match[4] || '');
}
function makeUrl(scheme, user, host, port, path, query, hash) {
return {
scheme,
user,
host,
port,
path,
query,
hash,
type: 7 /* Absolute */,
};
}
function parseUrl(input) {
if (isSchemeRelativeUrl(input)) {
const url = parseAbsoluteUrl('http:' + input);
url.scheme = '';
url.type = 6 /* SchemeRelative */;
return url;
}
if (isAbsolutePath(input)) {
const url = parseAbsoluteUrl('http://foo.com' + input);
url.scheme = '';
url.host = '';
url.type = 5 /* AbsolutePath */;
return url;
}
if (isFileUrl(input))
return parseFileUrl(input);
if (isAbsoluteUrl(input))
return parseAbsoluteUrl(input);
const url = parseAbsoluteUrl('http://foo.com/' + input);
url.scheme = '';
url.host = '';
url.type = input
? input.startsWith('?')
? 3 /* Query */
: input.startsWith('#')
? 2 /* Hash */
: 4 /* RelativePath */
: 1 /* Empty */;
return url;
}
function stripPathFilename(path) {
// If a path ends with a parent directory "..", then it's a relative path with excess parent
// paths. It's not a file, so we can't strip it.
if (path.endsWith('/..'))
return path;
const index = path.lastIndexOf('/');
return path.slice(0, index + 1);
}
function mergePaths(url, base) {
normalizePath(base, base.type);
// If the path is just a "/", then it was an empty path to begin with (remember, we're a relative
// path).
if (url.path === '/') {
url.path = base.path;
}
else {
// Resolution happens relative to the base path's directory, not the file.
url.path = stripPathFilename(base.path) + url.path;
}
}
/**
* The path can have empty directories "//", unneeded parents "foo/..", or current directory
* "foo/.". We need to normalize to a standard representation.
*/
function normalizePath(url, type) {
const rel = type <= 4 /* RelativePath */;
const pieces = url.path.split('/');
// We need to preserve the first piece always, so that we output a leading slash. The item at
// pieces[0] is an empty string.
let pointer = 1;
// Positive is the number of real directories we've output, used for popping a parent directory.
// Eg, "foo/bar/.." will have a positive 2, and we can decrement to be left with just "foo".
let positive = 0;
// We need to keep a trailing slash if we encounter an empty directory (eg, splitting "foo/" will
// generate `["foo", ""]` pieces). And, if we pop a parent directory. But once we encounter a
// real directory, we won't need to append, unless the other conditions happen again.
let addTrailingSlash = false;
for (let i = 1; i < pieces.length; i++) {
const piece = pieces[i];
// An empty directory, could be a trailing slash, or just a double "//" in the path.
if (!piece) {
addTrailingSlash = true;
continue;
}
// If we encounter a real directory, then we don't need to append anymore.
addTrailingSlash = false;
// A current directory, which we can always drop.
if (piece === '.')
continue;
// A parent directory, we need to see if there are any real directories we can pop. Else, we
// have an excess of parents, and we'll need to keep the "..".
if (piece === '..') {
if (positive) {
addTrailingSlash = true;
positive--;
pointer--;
}
else if (rel) {
// If we're in a relativePath, then we need to keep the excess parents. Else, in an absolute
// URL, protocol relative URL, or an absolute path, we don't need to keep excess.
pieces[pointer++] = piece;
}
continue;
}
// We've encountered a real directory. Move it to the next insertion pointer, which accounts for
// any popped or dropped directories.
pieces[pointer++] = piece;
positive++;
}
let path = '';
for (let i = 1; i < pointer; i++) {
path += '/' + pieces[i];
}
if (!path || (addTrailingSlash && !path.endsWith('/..'))) {
path += '/';
}
url.path = path;
}
/**
* Attempts to resolve `input` URL/path relative to `base`.
*/
function resolve(input, base) {
if (!input && !base)
return '';
const url = parseUrl(input);
let inputType = url.type;
if (base && inputType !== 7 /* Absolute */) {
const baseUrl = parseUrl(base);
const baseType = baseUrl.type;
switch (inputType) {
case 1 /* Empty */:
url.hash = baseUrl.hash;
// fall through
case 2 /* Hash */:
url.query = baseUrl.query;
// fall through
case 3 /* Query */:
case 4 /* RelativePath */:
mergePaths(url, baseUrl);
// fall through
case 5 /* AbsolutePath */:
// The host, user, and port are joined, you can't copy one without the others.
url.user = baseUrl.user;
url.host = baseUrl.host;
url.port = baseUrl.port;
// fall through
case 6 /* SchemeRelative */:
// The input doesn't have a schema at least, so we need to copy at least that over.
url.scheme = baseUrl.scheme;
}
if (baseType > inputType)
inputType = baseType;
}
normalizePath(url, inputType);
const queryHash = url.query + url.hash;
switch (inputType) {
// This is impossible, because of the empty checks at the start of the function.
// case UrlType.Empty:
case 2 /* Hash */:
case 3 /* Query */:
return queryHash;
case 4 /* RelativePath */: {
// The first char is always a "/", and we need it to be relative.
const path = url.path.slice(1);
if (!path)
return queryHash || '.';
if (isRelative(base || input) && !isRelative(path)) {
// If base started with a leading ".", or there is no base and input started with a ".",
// then we need to ensure that the relative path starts with a ".". We don't know if
// relative starts with a "..", though, so check before prepending.
return './' + path + queryHash;
}
return path + queryHash;
}
case 5 /* AbsolutePath */:
return url.path + queryHash;
default:
return url.scheme + '//' + url.user + url.host + url.port + url.path + queryHash;
}
}
return resolve;
}));
//# sourceMappingURL=resolve-uri.umd.js.map

File diff suppressed because one or more lines are too long

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/**
* Attempts to resolve `input` URL/path relative to `base`.
*/
export default function resolve(input: string, base: string | undefined): string;

69
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{
"name": "@jridgewell/resolve-uri",
"version": "3.1.2",
"description": "Resolve a URI relative to an optional base URI",
"keywords": [
"resolve",
"uri",
"url",
"path"
],
"author": "Justin Ridgewell <justin@ridgewell.name>",
"license": "MIT",
"repository": "https://github.com/jridgewell/resolve-uri",
"main": "dist/resolve-uri.umd.js",
"module": "dist/resolve-uri.mjs",
"types": "dist/types/resolve-uri.d.ts",
"exports": {
".": [
{
"types": "./dist/types/resolve-uri.d.ts",
"browser": "./dist/resolve-uri.umd.js",
"require": "./dist/resolve-uri.umd.js",
"import": "./dist/resolve-uri.mjs"
},
"./dist/resolve-uri.umd.js"
],
"./package.json": "./package.json"
},
"files": [
"dist"
],
"engines": {
"node": ">=6.0.0"
},
"scripts": {
"prebuild": "rm -rf dist",
"build": "run-s -n build:*",
"build:rollup": "rollup -c rollup.config.js",
"build:ts": "tsc --project tsconfig.build.json",
"lint": "run-s -n lint:*",
"lint:prettier": "npm run test:lint:prettier -- --write",
"lint:ts": "npm run test:lint:ts -- --fix",
"pretest": "run-s build:rollup",
"test": "run-s -n test:lint test:only",
"test:debug": "mocha --inspect-brk",
"test:lint": "run-s -n test:lint:*",
"test:lint:prettier": "prettier --check '{src,test}/**/*.ts'",
"test:lint:ts": "eslint '{src,test}/**/*.ts'",
"test:only": "mocha",
"test:coverage": "c8 mocha",
"test:watch": "mocha --watch",
"prepublishOnly": "npm run preversion",
"preversion": "run-s test build"
},
"devDependencies": {
"@jridgewell/resolve-uri-latest": "npm:@jridgewell/resolve-uri@*",
"@rollup/plugin-typescript": "8.3.0",
"@typescript-eslint/eslint-plugin": "5.10.0",
"@typescript-eslint/parser": "5.10.0",
"c8": "7.11.0",
"eslint": "8.7.0",
"eslint-config-prettier": "8.3.0",
"mocha": "9.2.0",
"npm-run-all": "4.1.5",
"prettier": "2.5.1",
"rollup": "2.66.0",
"typescript": "4.5.5"
}
}

19
node_modules/@jridgewell/sourcemap-codec/LICENSE generated vendored Normal file
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@ -0,0 +1,19 @@
Copyright 2024 Justin Ridgewell <justin@ridgewell.name>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

264
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# @jridgewell/sourcemap-codec
Encode/decode the `mappings` property of a [sourcemap](https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit).
## Why?
Sourcemaps are difficult to generate and manipulate, because the `mappings` property the part that actually links the generated code back to the original source is encoded using an obscure method called [Variable-length quantity](https://en.wikipedia.org/wiki/Variable-length_quantity). On top of that, each segment in the mapping contains offsets rather than absolute indices, which means that you can't look at a segment in isolation you have to understand the whole sourcemap.
This package makes the process slightly easier.
## Installation
```bash
npm install @jridgewell/sourcemap-codec
```
## Usage
```js
import { encode, decode } from '@jridgewell/sourcemap-codec';
var decoded = decode( ';EAEEA,EAAE,EAAC,CAAE;ECQY,UACC' );
assert.deepEqual( decoded, [
// the first line (of the generated code) has no mappings,
// as shown by the starting semi-colon (which separates lines)
[],
// the second line contains four (comma-separated) segments
[
// segments are encoded as you'd expect:
// [ generatedCodeColumn, sourceIndex, sourceCodeLine, sourceCodeColumn, nameIndex ]
// i.e. the first segment begins at column 2, and maps back to the second column
// of the second line (both zero-based) of the 0th source, and uses the 0th
// name in the `map.names` array
[ 2, 0, 2, 2, 0 ],
// the remaining segments are 4-length rather than 5-length,
// because they don't map a name
[ 4, 0, 2, 4 ],
[ 6, 0, 2, 5 ],
[ 7, 0, 2, 7 ]
],
// the final line contains two segments
[
[ 2, 1, 10, 19 ],
[ 12, 1, 11, 20 ]
]
]);
var encoded = encode( decoded );
assert.equal( encoded, ';EAEEA,EAAE,EAAC,CAAE;ECQY,UACC' );
```
## Benchmarks
```
node v20.10.0
amp.js.map - 45120 segments
Decode Memory Usage:
local code 5815135 bytes
@jridgewell/sourcemap-codec 1.4.15 5868160 bytes
sourcemap-codec 5492584 bytes
source-map-0.6.1 13569984 bytes
source-map-0.8.0 6390584 bytes
chrome dev tools 8011136 bytes
Smallest memory usage is sourcemap-codec
Decode speed:
decode: local code x 492 ops/sec ±1.22% (90 runs sampled)
decode: @jridgewell/sourcemap-codec 1.4.15 x 499 ops/sec ±1.16% (89 runs sampled)
decode: sourcemap-codec x 376 ops/sec ±1.66% (89 runs sampled)
decode: source-map-0.6.1 x 34.99 ops/sec ±0.94% (48 runs sampled)
decode: source-map-0.8.0 x 351 ops/sec ±0.07% (95 runs sampled)
chrome dev tools x 165 ops/sec ±0.91% (86 runs sampled)
Fastest is decode: @jridgewell/sourcemap-codec 1.4.15
Encode Memory Usage:
local code 444248 bytes
@jridgewell/sourcemap-codec 1.4.15 623024 bytes
sourcemap-codec 8696280 bytes
source-map-0.6.1 8745176 bytes
source-map-0.8.0 8736624 bytes
Smallest memory usage is local code
Encode speed:
encode: local code x 796 ops/sec ±0.11% (97 runs sampled)
encode: @jridgewell/sourcemap-codec 1.4.15 x 795 ops/sec ±0.25% (98 runs sampled)
encode: sourcemap-codec x 231 ops/sec ±0.83% (86 runs sampled)
encode: source-map-0.6.1 x 166 ops/sec ±0.57% (86 runs sampled)
encode: source-map-0.8.0 x 203 ops/sec ±0.45% (88 runs sampled)
Fastest is encode: local code,encode: @jridgewell/sourcemap-codec 1.4.15
***
babel.min.js.map - 347793 segments
Decode Memory Usage:
local code 35424960 bytes
@jridgewell/sourcemap-codec 1.4.15 35424696 bytes
sourcemap-codec 36033464 bytes
source-map-0.6.1 62253704 bytes
source-map-0.8.0 43843920 bytes
chrome dev tools 45111400 bytes
Smallest memory usage is @jridgewell/sourcemap-codec 1.4.15
Decode speed:
decode: local code x 38.18 ops/sec ±5.44% (52 runs sampled)
decode: @jridgewell/sourcemap-codec 1.4.15 x 38.36 ops/sec ±5.02% (52 runs sampled)
decode: sourcemap-codec x 34.05 ops/sec ±4.45% (47 runs sampled)
decode: source-map-0.6.1 x 4.31 ops/sec ±2.76% (15 runs sampled)
decode: source-map-0.8.0 x 55.60 ops/sec ±0.13% (73 runs sampled)
chrome dev tools x 16.94 ops/sec ±3.78% (46 runs sampled)
Fastest is decode: source-map-0.8.0
Encode Memory Usage:
local code 2606016 bytes
@jridgewell/sourcemap-codec 1.4.15 2626440 bytes
sourcemap-codec 21152576 bytes
source-map-0.6.1 25023928 bytes
source-map-0.8.0 25256448 bytes
Smallest memory usage is local code
Encode speed:
encode: local code x 127 ops/sec ±0.18% (83 runs sampled)
encode: @jridgewell/sourcemap-codec 1.4.15 x 128 ops/sec ±0.26% (83 runs sampled)
encode: sourcemap-codec x 29.31 ops/sec ±2.55% (53 runs sampled)
encode: source-map-0.6.1 x 18.85 ops/sec ±3.19% (36 runs sampled)
encode: source-map-0.8.0 x 19.34 ops/sec ±1.97% (36 runs sampled)
Fastest is encode: @jridgewell/sourcemap-codec 1.4.15
***
preact.js.map - 1992 segments
Decode Memory Usage:
local code 261696 bytes
@jridgewell/sourcemap-codec 1.4.15 244296 bytes
sourcemap-codec 302816 bytes
source-map-0.6.1 939176 bytes
source-map-0.8.0 336 bytes
chrome dev tools 587368 bytes
Smallest memory usage is source-map-0.8.0
Decode speed:
decode: local code x 17,782 ops/sec ±0.32% (97 runs sampled)
decode: @jridgewell/sourcemap-codec 1.4.15 x 17,863 ops/sec ±0.40% (100 runs sampled)
decode: sourcemap-codec x 12,453 ops/sec ±0.27% (101 runs sampled)
decode: source-map-0.6.1 x 1,288 ops/sec ±1.05% (96 runs sampled)
decode: source-map-0.8.0 x 9,289 ops/sec ±0.27% (101 runs sampled)
chrome dev tools x 4,769 ops/sec ±0.18% (100 runs sampled)
Fastest is decode: @jridgewell/sourcemap-codec 1.4.15
Encode Memory Usage:
local code 262944 bytes
@jridgewell/sourcemap-codec 1.4.15 25544 bytes
sourcemap-codec 323048 bytes
source-map-0.6.1 507808 bytes
source-map-0.8.0 507480 bytes
Smallest memory usage is @jridgewell/sourcemap-codec 1.4.15
Encode speed:
encode: local code x 24,207 ops/sec ±0.79% (95 runs sampled)
encode: @jridgewell/sourcemap-codec 1.4.15 x 24,288 ops/sec ±0.48% (96 runs sampled)
encode: sourcemap-codec x 6,761 ops/sec ±0.21% (100 runs sampled)
encode: source-map-0.6.1 x 5,374 ops/sec ±0.17% (99 runs sampled)
encode: source-map-0.8.0 x 5,633 ops/sec ±0.32% (99 runs sampled)
Fastest is encode: @jridgewell/sourcemap-codec 1.4.15,encode: local code
***
react.js.map - 5726 segments
Decode Memory Usage:
local code 678816 bytes
@jridgewell/sourcemap-codec 1.4.15 678816 bytes
sourcemap-codec 816400 bytes
source-map-0.6.1 2288864 bytes
source-map-0.8.0 721360 bytes
chrome dev tools 1012512 bytes
Smallest memory usage is local code
Decode speed:
decode: local code x 6,178 ops/sec ±0.19% (98 runs sampled)
decode: @jridgewell/sourcemap-codec 1.4.15 x 6,261 ops/sec ±0.22% (100 runs sampled)
decode: sourcemap-codec x 4,472 ops/sec ±0.90% (99 runs sampled)
decode: source-map-0.6.1 x 449 ops/sec ±0.31% (95 runs sampled)
decode: source-map-0.8.0 x 3,219 ops/sec ±0.13% (100 runs sampled)
chrome dev tools x 1,743 ops/sec ±0.20% (99 runs sampled)
Fastest is decode: @jridgewell/sourcemap-codec 1.4.15
Encode Memory Usage:
local code 140960 bytes
@jridgewell/sourcemap-codec 1.4.15 159808 bytes
sourcemap-codec 969304 bytes
source-map-0.6.1 930520 bytes
source-map-0.8.0 930248 bytes
Smallest memory usage is local code
Encode speed:
encode: local code x 8,013 ops/sec ±0.19% (100 runs sampled)
encode: @jridgewell/sourcemap-codec 1.4.15 x 7,989 ops/sec ±0.20% (101 runs sampled)
encode: sourcemap-codec x 2,472 ops/sec ±0.21% (99 runs sampled)
encode: source-map-0.6.1 x 2,200 ops/sec ±0.17% (99 runs sampled)
encode: source-map-0.8.0 x 2,220 ops/sec ±0.37% (99 runs sampled)
Fastest is encode: local code
***
vscode.map - 2141001 segments
Decode Memory Usage:
local code 198955264 bytes
@jridgewell/sourcemap-codec 1.4.15 199175352 bytes
sourcemap-codec 199102688 bytes
source-map-0.6.1 386323432 bytes
source-map-0.8.0 244116432 bytes
chrome dev tools 293734280 bytes
Smallest memory usage is local code
Decode speed:
decode: local code x 3.90 ops/sec ±22.21% (15 runs sampled)
decode: @jridgewell/sourcemap-codec 1.4.15 x 3.95 ops/sec ±23.53% (15 runs sampled)
decode: sourcemap-codec x 3.82 ops/sec ±17.94% (14 runs sampled)
decode: source-map-0.6.1 x 0.61 ops/sec ±7.81% (6 runs sampled)
decode: source-map-0.8.0 x 9.54 ops/sec ±0.28% (28 runs sampled)
chrome dev tools x 2.18 ops/sec ±10.58% (10 runs sampled)
Fastest is decode: source-map-0.8.0
Encode Memory Usage:
local code 13509880 bytes
@jridgewell/sourcemap-codec 1.4.15 13537648 bytes
sourcemap-codec 32540104 bytes
source-map-0.6.1 127531040 bytes
source-map-0.8.0 127535312 bytes
Smallest memory usage is local code
Encode speed:
encode: local code x 20.10 ops/sec ±0.19% (38 runs sampled)
encode: @jridgewell/sourcemap-codec 1.4.15 x 20.26 ops/sec ±0.32% (38 runs sampled)
encode: sourcemap-codec x 5.44 ops/sec ±1.64% (18 runs sampled)
encode: source-map-0.6.1 x 2.30 ops/sec ±4.79% (10 runs sampled)
encode: source-map-0.8.0 x 2.46 ops/sec ±6.53% (10 runs sampled)
Fastest is encode: @jridgewell/sourcemap-codec 1.4.15
```
# License
MIT

View File

@ -0,0 +1,423 @@
// src/vlq.ts
var comma = ",".charCodeAt(0);
var semicolon = ";".charCodeAt(0);
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var intToChar = new Uint8Array(64);
var charToInt = new Uint8Array(128);
for (let i = 0; i < chars.length; i++) {
const c = chars.charCodeAt(i);
intToChar[i] = c;
charToInt[c] = i;
}
function decodeInteger(reader, relative) {
let value = 0;
let shift = 0;
let integer = 0;
do {
const c = reader.next();
integer = charToInt[c];
value |= (integer & 31) << shift;
shift += 5;
} while (integer & 32);
const shouldNegate = value & 1;
value >>>= 1;
if (shouldNegate) {
value = -2147483648 | -value;
}
return relative + value;
}
function encodeInteger(builder, num, relative) {
let delta = num - relative;
delta = delta < 0 ? -delta << 1 | 1 : delta << 1;
do {
let clamped = delta & 31;
delta >>>= 5;
if (delta > 0) clamped |= 32;
builder.write(intToChar[clamped]);
} while (delta > 0);
return num;
}
function hasMoreVlq(reader, max) {
if (reader.pos >= max) return false;
return reader.peek() !== comma;
}
// src/strings.ts
var bufLength = 1024 * 16;
var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? {
decode(buf) {
const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
return out.toString();
}
} : {
decode(buf) {
let out = "";
for (let i = 0; i < buf.length; i++) {
out += String.fromCharCode(buf[i]);
}
return out;
}
};
var StringWriter = class {
constructor() {
this.pos = 0;
this.out = "";
this.buffer = new Uint8Array(bufLength);
}
write(v) {
const { buffer } = this;
buffer[this.pos++] = v;
if (this.pos === bufLength) {
this.out += td.decode(buffer);
this.pos = 0;
}
}
flush() {
const { buffer, out, pos } = this;
return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
}
};
var StringReader = class {
constructor(buffer) {
this.pos = 0;
this.buffer = buffer;
}
next() {
return this.buffer.charCodeAt(this.pos++);
}
peek() {
return this.buffer.charCodeAt(this.pos);
}
indexOf(char) {
const { buffer, pos } = this;
const idx = buffer.indexOf(char, pos);
return idx === -1 ? buffer.length : idx;
}
};
// src/scopes.ts
var EMPTY = [];
function decodeOriginalScopes(input) {
const { length } = input;
const reader = new StringReader(input);
const scopes = [];
const stack = [];
let line = 0;
for (; reader.pos < length; reader.pos++) {
line = decodeInteger(reader, line);
const column = decodeInteger(reader, 0);
if (!hasMoreVlq(reader, length)) {
const last = stack.pop();
last[2] = line;
last[3] = column;
continue;
}
const kind = decodeInteger(reader, 0);
const fields = decodeInteger(reader, 0);
const hasName = fields & 1;
const scope = hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind];
let vars = EMPTY;
if (hasMoreVlq(reader, length)) {
vars = [];
do {
const varsIndex = decodeInteger(reader, 0);
vars.push(varsIndex);
} while (hasMoreVlq(reader, length));
}
scope.vars = vars;
scopes.push(scope);
stack.push(scope);
}
return scopes;
}
function encodeOriginalScopes(scopes) {
const writer = new StringWriter();
for (let i = 0; i < scopes.length; ) {
i = _encodeOriginalScopes(scopes, i, writer, [0]);
}
return writer.flush();
}
function _encodeOriginalScopes(scopes, index, writer, state) {
const scope = scopes[index];
const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
if (index > 0) writer.write(comma);
state[0] = encodeInteger(writer, startLine, state[0]);
encodeInteger(writer, startColumn, 0);
encodeInteger(writer, kind, 0);
const fields = scope.length === 6 ? 1 : 0;
encodeInteger(writer, fields, 0);
if (scope.length === 6) encodeInteger(writer, scope[5], 0);
for (const v of vars) {
encodeInteger(writer, v, 0);
}
for (index++; index < scopes.length; ) {
const next = scopes[index];
const { 0: l, 1: c } = next;
if (l > endLine || l === endLine && c >= endColumn) {
break;
}
index = _encodeOriginalScopes(scopes, index, writer, state);
}
writer.write(comma);
state[0] = encodeInteger(writer, endLine, state[0]);
encodeInteger(writer, endColumn, 0);
return index;
}
function decodeGeneratedRanges(input) {
const { length } = input;
const reader = new StringReader(input);
const ranges = [];
const stack = [];
let genLine = 0;
let definitionSourcesIndex = 0;
let definitionScopeIndex = 0;
let callsiteSourcesIndex = 0;
let callsiteLine = 0;
let callsiteColumn = 0;
let bindingLine = 0;
let bindingColumn = 0;
do {
const semi = reader.indexOf(";");
let genColumn = 0;
for (; reader.pos < semi; reader.pos++) {
genColumn = decodeInteger(reader, genColumn);
if (!hasMoreVlq(reader, semi)) {
const last = stack.pop();
last[2] = genLine;
last[3] = genColumn;
continue;
}
const fields = decodeInteger(reader, 0);
const hasDefinition = fields & 1;
const hasCallsite = fields & 2;
const hasScope = fields & 4;
let callsite = null;
let bindings = EMPTY;
let range;
if (hasDefinition) {
const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
definitionScopeIndex = decodeInteger(
reader,
definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0
);
definitionSourcesIndex = defSourcesIndex;
range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex];
} else {
range = [genLine, genColumn, 0, 0];
}
range.isScope = !!hasScope;
if (hasCallsite) {
const prevCsi = callsiteSourcesIndex;
const prevLine = callsiteLine;
callsiteSourcesIndex = decodeInteger(reader, callsiteSourcesIndex);
const sameSource = prevCsi === callsiteSourcesIndex;
callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
callsiteColumn = decodeInteger(
reader,
sameSource && prevLine === callsiteLine ? callsiteColumn : 0
);
callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
}
range.callsite = callsite;
if (hasMoreVlq(reader, semi)) {
bindings = [];
do {
bindingLine = genLine;
bindingColumn = genColumn;
const expressionsCount = decodeInteger(reader, 0);
let expressionRanges;
if (expressionsCount < -1) {
expressionRanges = [[decodeInteger(reader, 0)]];
for (let i = -1; i > expressionsCount; i--) {
const prevBl = bindingLine;
bindingLine = decodeInteger(reader, bindingLine);
bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
const expression = decodeInteger(reader, 0);
expressionRanges.push([expression, bindingLine, bindingColumn]);
}
} else {
expressionRanges = [[expressionsCount]];
}
bindings.push(expressionRanges);
} while (hasMoreVlq(reader, semi));
}
range.bindings = bindings;
ranges.push(range);
stack.push(range);
}
genLine++;
reader.pos = semi + 1;
} while (reader.pos < length);
return ranges;
}
function encodeGeneratedRanges(ranges) {
if (ranges.length === 0) return "";
const writer = new StringWriter();
for (let i = 0; i < ranges.length; ) {
i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
}
return writer.flush();
}
function _encodeGeneratedRanges(ranges, index, writer, state) {
const range = ranges[index];
const {
0: startLine,
1: startColumn,
2: endLine,
3: endColumn,
isScope,
callsite,
bindings
} = range;
if (state[0] < startLine) {
catchupLine(writer, state[0], startLine);
state[0] = startLine;
state[1] = 0;
} else if (index > 0) {
writer.write(comma);
}
state[1] = encodeInteger(writer, range[1], state[1]);
const fields = (range.length === 6 ? 1 : 0) | (callsite ? 2 : 0) | (isScope ? 4 : 0);
encodeInteger(writer, fields, 0);
if (range.length === 6) {
const { 4: sourcesIndex, 5: scopesIndex } = range;
if (sourcesIndex !== state[2]) {
state[3] = 0;
}
state[2] = encodeInteger(writer, sourcesIndex, state[2]);
state[3] = encodeInteger(writer, scopesIndex, state[3]);
}
if (callsite) {
const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite;
if (sourcesIndex !== state[4]) {
state[5] = 0;
state[6] = 0;
} else if (callLine !== state[5]) {
state[6] = 0;
}
state[4] = encodeInteger(writer, sourcesIndex, state[4]);
state[5] = encodeInteger(writer, callLine, state[5]);
state[6] = encodeInteger(writer, callColumn, state[6]);
}
if (bindings) {
for (const binding of bindings) {
if (binding.length > 1) encodeInteger(writer, -binding.length, 0);
const expression = binding[0][0];
encodeInteger(writer, expression, 0);
let bindingStartLine = startLine;
let bindingStartColumn = startColumn;
for (let i = 1; i < binding.length; i++) {
const expRange = binding[i];
bindingStartLine = encodeInteger(writer, expRange[1], bindingStartLine);
bindingStartColumn = encodeInteger(writer, expRange[2], bindingStartColumn);
encodeInteger(writer, expRange[0], 0);
}
}
}
for (index++; index < ranges.length; ) {
const next = ranges[index];
const { 0: l, 1: c } = next;
if (l > endLine || l === endLine && c >= endColumn) {
break;
}
index = _encodeGeneratedRanges(ranges, index, writer, state);
}
if (state[0] < endLine) {
catchupLine(writer, state[0], endLine);
state[0] = endLine;
state[1] = 0;
} else {
writer.write(comma);
}
state[1] = encodeInteger(writer, endColumn, state[1]);
return index;
}
function catchupLine(writer, lastLine, line) {
do {
writer.write(semicolon);
} while (++lastLine < line);
}
// src/sourcemap-codec.ts
function decode(mappings) {
const { length } = mappings;
const reader = new StringReader(mappings);
const decoded = [];
let genColumn = 0;
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
do {
const semi = reader.indexOf(";");
const line = [];
let sorted = true;
let lastCol = 0;
genColumn = 0;
while (reader.pos < semi) {
let seg;
genColumn = decodeInteger(reader, genColumn);
if (genColumn < lastCol) sorted = false;
lastCol = genColumn;
if (hasMoreVlq(reader, semi)) {
sourcesIndex = decodeInteger(reader, sourcesIndex);
sourceLine = decodeInteger(reader, sourceLine);
sourceColumn = decodeInteger(reader, sourceColumn);
if (hasMoreVlq(reader, semi)) {
namesIndex = decodeInteger(reader, namesIndex);
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
} else {
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
}
} else {
seg = [genColumn];
}
line.push(seg);
reader.pos++;
}
if (!sorted) sort(line);
decoded.push(line);
reader.pos = semi + 1;
} while (reader.pos <= length);
return decoded;
}
function sort(line) {
line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[0] - b[0];
}
function encode(decoded) {
const writer = new StringWriter();
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
if (i > 0) writer.write(semicolon);
if (line.length === 0) continue;
let genColumn = 0;
for (let j = 0; j < line.length; j++) {
const segment = line[j];
if (j > 0) writer.write(comma);
genColumn = encodeInteger(writer, segment[0], genColumn);
if (segment.length === 1) continue;
sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
sourceLine = encodeInteger(writer, segment[2], sourceLine);
sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
if (segment.length === 4) continue;
namesIndex = encodeInteger(writer, segment[4], namesIndex);
}
}
return writer.flush();
}
export {
decode,
decodeGeneratedRanges,
decodeOriginalScopes,
encode,
encodeGeneratedRanges,
encodeOriginalScopes
};
//# sourceMappingURL=sourcemap-codec.mjs.map

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(function (global, factory) {
if (typeof exports === 'object' && typeof module !== 'undefined') {
factory(module);
module.exports = def(module);
} else if (typeof define === 'function' && define.amd) {
define(['module'], function(mod) {
factory.apply(this, arguments);
mod.exports = def(mod);
});
} else {
const mod = { exports: {} };
factory(mod);
global = typeof globalThis !== 'undefined' ? globalThis : global || self;
global.sourcemapCodec = def(mod);
}
function def(m) { return 'default' in m.exports ? m.exports.default : m.exports; }
})(this, (function (module) {
"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/sourcemap-codec.ts
var sourcemap_codec_exports = {};
__export(sourcemap_codec_exports, {
decode: () => decode,
decodeGeneratedRanges: () => decodeGeneratedRanges,
decodeOriginalScopes: () => decodeOriginalScopes,
encode: () => encode,
encodeGeneratedRanges: () => encodeGeneratedRanges,
encodeOriginalScopes: () => encodeOriginalScopes
});
module.exports = __toCommonJS(sourcemap_codec_exports);
// src/vlq.ts
var comma = ",".charCodeAt(0);
var semicolon = ";".charCodeAt(0);
var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var intToChar = new Uint8Array(64);
var charToInt = new Uint8Array(128);
for (let i = 0; i < chars.length; i++) {
const c = chars.charCodeAt(i);
intToChar[i] = c;
charToInt[c] = i;
}
function decodeInteger(reader, relative) {
let value = 0;
let shift = 0;
let integer = 0;
do {
const c = reader.next();
integer = charToInt[c];
value |= (integer & 31) << shift;
shift += 5;
} while (integer & 32);
const shouldNegate = value & 1;
value >>>= 1;
if (shouldNegate) {
value = -2147483648 | -value;
}
return relative + value;
}
function encodeInteger(builder, num, relative) {
let delta = num - relative;
delta = delta < 0 ? -delta << 1 | 1 : delta << 1;
do {
let clamped = delta & 31;
delta >>>= 5;
if (delta > 0) clamped |= 32;
builder.write(intToChar[clamped]);
} while (delta > 0);
return num;
}
function hasMoreVlq(reader, max) {
if (reader.pos >= max) return false;
return reader.peek() !== comma;
}
// src/strings.ts
var bufLength = 1024 * 16;
var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? {
decode(buf) {
const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
return out.toString();
}
} : {
decode(buf) {
let out = "";
for (let i = 0; i < buf.length; i++) {
out += String.fromCharCode(buf[i]);
}
return out;
}
};
var StringWriter = class {
constructor() {
this.pos = 0;
this.out = "";
this.buffer = new Uint8Array(bufLength);
}
write(v) {
const { buffer } = this;
buffer[this.pos++] = v;
if (this.pos === bufLength) {
this.out += td.decode(buffer);
this.pos = 0;
}
}
flush() {
const { buffer, out, pos } = this;
return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
}
};
var StringReader = class {
constructor(buffer) {
this.pos = 0;
this.buffer = buffer;
}
next() {
return this.buffer.charCodeAt(this.pos++);
}
peek() {
return this.buffer.charCodeAt(this.pos);
}
indexOf(char) {
const { buffer, pos } = this;
const idx = buffer.indexOf(char, pos);
return idx === -1 ? buffer.length : idx;
}
};
// src/scopes.ts
var EMPTY = [];
function decodeOriginalScopes(input) {
const { length } = input;
const reader = new StringReader(input);
const scopes = [];
const stack = [];
let line = 0;
for (; reader.pos < length; reader.pos++) {
line = decodeInteger(reader, line);
const column = decodeInteger(reader, 0);
if (!hasMoreVlq(reader, length)) {
const last = stack.pop();
last[2] = line;
last[3] = column;
continue;
}
const kind = decodeInteger(reader, 0);
const fields = decodeInteger(reader, 0);
const hasName = fields & 1;
const scope = hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind];
let vars = EMPTY;
if (hasMoreVlq(reader, length)) {
vars = [];
do {
const varsIndex = decodeInteger(reader, 0);
vars.push(varsIndex);
} while (hasMoreVlq(reader, length));
}
scope.vars = vars;
scopes.push(scope);
stack.push(scope);
}
return scopes;
}
function encodeOriginalScopes(scopes) {
const writer = new StringWriter();
for (let i = 0; i < scopes.length; ) {
i = _encodeOriginalScopes(scopes, i, writer, [0]);
}
return writer.flush();
}
function _encodeOriginalScopes(scopes, index, writer, state) {
const scope = scopes[index];
const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
if (index > 0) writer.write(comma);
state[0] = encodeInteger(writer, startLine, state[0]);
encodeInteger(writer, startColumn, 0);
encodeInteger(writer, kind, 0);
const fields = scope.length === 6 ? 1 : 0;
encodeInteger(writer, fields, 0);
if (scope.length === 6) encodeInteger(writer, scope[5], 0);
for (const v of vars) {
encodeInteger(writer, v, 0);
}
for (index++; index < scopes.length; ) {
const next = scopes[index];
const { 0: l, 1: c } = next;
if (l > endLine || l === endLine && c >= endColumn) {
break;
}
index = _encodeOriginalScopes(scopes, index, writer, state);
}
writer.write(comma);
state[0] = encodeInteger(writer, endLine, state[0]);
encodeInteger(writer, endColumn, 0);
return index;
}
function decodeGeneratedRanges(input) {
const { length } = input;
const reader = new StringReader(input);
const ranges = [];
const stack = [];
let genLine = 0;
let definitionSourcesIndex = 0;
let definitionScopeIndex = 0;
let callsiteSourcesIndex = 0;
let callsiteLine = 0;
let callsiteColumn = 0;
let bindingLine = 0;
let bindingColumn = 0;
do {
const semi = reader.indexOf(";");
let genColumn = 0;
for (; reader.pos < semi; reader.pos++) {
genColumn = decodeInteger(reader, genColumn);
if (!hasMoreVlq(reader, semi)) {
const last = stack.pop();
last[2] = genLine;
last[3] = genColumn;
continue;
}
const fields = decodeInteger(reader, 0);
const hasDefinition = fields & 1;
const hasCallsite = fields & 2;
const hasScope = fields & 4;
let callsite = null;
let bindings = EMPTY;
let range;
if (hasDefinition) {
const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
definitionScopeIndex = decodeInteger(
reader,
definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0
);
definitionSourcesIndex = defSourcesIndex;
range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex];
} else {
range = [genLine, genColumn, 0, 0];
}
range.isScope = !!hasScope;
if (hasCallsite) {
const prevCsi = callsiteSourcesIndex;
const prevLine = callsiteLine;
callsiteSourcesIndex = decodeInteger(reader, callsiteSourcesIndex);
const sameSource = prevCsi === callsiteSourcesIndex;
callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
callsiteColumn = decodeInteger(
reader,
sameSource && prevLine === callsiteLine ? callsiteColumn : 0
);
callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
}
range.callsite = callsite;
if (hasMoreVlq(reader, semi)) {
bindings = [];
do {
bindingLine = genLine;
bindingColumn = genColumn;
const expressionsCount = decodeInteger(reader, 0);
let expressionRanges;
if (expressionsCount < -1) {
expressionRanges = [[decodeInteger(reader, 0)]];
for (let i = -1; i > expressionsCount; i--) {
const prevBl = bindingLine;
bindingLine = decodeInteger(reader, bindingLine);
bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
const expression = decodeInteger(reader, 0);
expressionRanges.push([expression, bindingLine, bindingColumn]);
}
} else {
expressionRanges = [[expressionsCount]];
}
bindings.push(expressionRanges);
} while (hasMoreVlq(reader, semi));
}
range.bindings = bindings;
ranges.push(range);
stack.push(range);
}
genLine++;
reader.pos = semi + 1;
} while (reader.pos < length);
return ranges;
}
function encodeGeneratedRanges(ranges) {
if (ranges.length === 0) return "";
const writer = new StringWriter();
for (let i = 0; i < ranges.length; ) {
i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
}
return writer.flush();
}
function _encodeGeneratedRanges(ranges, index, writer, state) {
const range = ranges[index];
const {
0: startLine,
1: startColumn,
2: endLine,
3: endColumn,
isScope,
callsite,
bindings
} = range;
if (state[0] < startLine) {
catchupLine(writer, state[0], startLine);
state[0] = startLine;
state[1] = 0;
} else if (index > 0) {
writer.write(comma);
}
state[1] = encodeInteger(writer, range[1], state[1]);
const fields = (range.length === 6 ? 1 : 0) | (callsite ? 2 : 0) | (isScope ? 4 : 0);
encodeInteger(writer, fields, 0);
if (range.length === 6) {
const { 4: sourcesIndex, 5: scopesIndex } = range;
if (sourcesIndex !== state[2]) {
state[3] = 0;
}
state[2] = encodeInteger(writer, sourcesIndex, state[2]);
state[3] = encodeInteger(writer, scopesIndex, state[3]);
}
if (callsite) {
const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite;
if (sourcesIndex !== state[4]) {
state[5] = 0;
state[6] = 0;
} else if (callLine !== state[5]) {
state[6] = 0;
}
state[4] = encodeInteger(writer, sourcesIndex, state[4]);
state[5] = encodeInteger(writer, callLine, state[5]);
state[6] = encodeInteger(writer, callColumn, state[6]);
}
if (bindings) {
for (const binding of bindings) {
if (binding.length > 1) encodeInteger(writer, -binding.length, 0);
const expression = binding[0][0];
encodeInteger(writer, expression, 0);
let bindingStartLine = startLine;
let bindingStartColumn = startColumn;
for (let i = 1; i < binding.length; i++) {
const expRange = binding[i];
bindingStartLine = encodeInteger(writer, expRange[1], bindingStartLine);
bindingStartColumn = encodeInteger(writer, expRange[2], bindingStartColumn);
encodeInteger(writer, expRange[0], 0);
}
}
}
for (index++; index < ranges.length; ) {
const next = ranges[index];
const { 0: l, 1: c } = next;
if (l > endLine || l === endLine && c >= endColumn) {
break;
}
index = _encodeGeneratedRanges(ranges, index, writer, state);
}
if (state[0] < endLine) {
catchupLine(writer, state[0], endLine);
state[0] = endLine;
state[1] = 0;
} else {
writer.write(comma);
}
state[1] = encodeInteger(writer, endColumn, state[1]);
return index;
}
function catchupLine(writer, lastLine, line) {
do {
writer.write(semicolon);
} while (++lastLine < line);
}
// src/sourcemap-codec.ts
function decode(mappings) {
const { length } = mappings;
const reader = new StringReader(mappings);
const decoded = [];
let genColumn = 0;
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
do {
const semi = reader.indexOf(";");
const line = [];
let sorted = true;
let lastCol = 0;
genColumn = 0;
while (reader.pos < semi) {
let seg;
genColumn = decodeInteger(reader, genColumn);
if (genColumn < lastCol) sorted = false;
lastCol = genColumn;
if (hasMoreVlq(reader, semi)) {
sourcesIndex = decodeInteger(reader, sourcesIndex);
sourceLine = decodeInteger(reader, sourceLine);
sourceColumn = decodeInteger(reader, sourceColumn);
if (hasMoreVlq(reader, semi)) {
namesIndex = decodeInteger(reader, namesIndex);
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
} else {
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
}
} else {
seg = [genColumn];
}
line.push(seg);
reader.pos++;
}
if (!sorted) sort(line);
decoded.push(line);
reader.pos = semi + 1;
} while (reader.pos <= length);
return decoded;
}
function sort(line) {
line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[0] - b[0];
}
function encode(decoded) {
const writer = new StringWriter();
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
if (i > 0) writer.write(semicolon);
if (line.length === 0) continue;
let genColumn = 0;
for (let j = 0; j < line.length; j++) {
const segment = line[j];
if (j > 0) writer.write(comma);
genColumn = encodeInteger(writer, segment[0], genColumn);
if (segment.length === 1) continue;
sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
sourceLine = encodeInteger(writer, segment[2], sourceLine);
sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
if (segment.length === 4) continue;
namesIndex = encodeInteger(writer, segment[4], namesIndex);
}
}
return writer.flush();
}
}));
//# sourceMappingURL=sourcemap-codec.umd.js.map

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{
"name": "@jridgewell/sourcemap-codec",
"version": "1.5.5",
"description": "Encode/decode sourcemap mappings",
"keywords": [
"sourcemap",
"vlq"
],
"main": "dist/sourcemap-codec.umd.js",
"module": "dist/sourcemap-codec.mjs",
"types": "types/sourcemap-codec.d.cts",
"files": [
"dist",
"src",
"types"
],
"exports": {
".": [
{
"import": {
"types": "./types/sourcemap-codec.d.mts",
"default": "./dist/sourcemap-codec.mjs"
},
"default": {
"types": "./types/sourcemap-codec.d.cts",
"default": "./dist/sourcemap-codec.umd.js"
}
},
"./dist/sourcemap-codec.umd.js"
],
"./package.json": "./package.json"
},
"scripts": {
"benchmark": "run-s build:code benchmark:*",
"benchmark:install": "cd benchmark && npm install",
"benchmark:only": "node --expose-gc benchmark/index.js",
"build": "run-s -n build:code build:types",
"build:code": "node ../../esbuild.mjs sourcemap-codec.ts",
"build:types": "run-s build:types:force build:types:emit build:types:mts",
"build:types:force": "rimraf tsconfig.build.tsbuildinfo",
"build:types:emit": "tsc --project tsconfig.build.json",
"build:types:mts": "node ../../mts-types.mjs",
"clean": "run-s -n clean:code clean:types",
"clean:code": "tsc --build --clean tsconfig.build.json",
"clean:types": "rimraf dist types",
"test": "run-s -n test:types test:only test:format",
"test:format": "prettier --check '{src,test}/**/*.ts'",
"test:only": "mocha",
"test:types": "eslint '{src,test}/**/*.ts'",
"lint": "run-s -n lint:types lint:format",
"lint:format": "npm run test:format -- --write",
"lint:types": "npm run test:types -- --fix",
"prepublishOnly": "npm run-s -n build test"
},
"homepage": "https://github.com/jridgewell/sourcemaps/tree/main/packages/sourcemap-codec",
"repository": {
"type": "git",
"url": "git+https://github.com/jridgewell/sourcemaps.git",
"directory": "packages/sourcemap-codec"
},
"author": "Justin Ridgewell <justin@ridgewell.name>",
"license": "MIT"
}

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import { StringReader, StringWriter } from './strings';
import { comma, decodeInteger, encodeInteger, hasMoreVlq, semicolon } from './vlq';
const EMPTY: any[] = [];
type Line = number;
type Column = number;
type Kind = number;
type Name = number;
type Var = number;
type SourcesIndex = number;
type ScopesIndex = number;
type Mix<A, B, O> = (A & O) | (B & O);
export type OriginalScope = Mix<
[Line, Column, Line, Column, Kind],
[Line, Column, Line, Column, Kind, Name],
{ vars: Var[] }
>;
export type GeneratedRange = Mix<
[Line, Column, Line, Column],
[Line, Column, Line, Column, SourcesIndex, ScopesIndex],
{
callsite: CallSite | null;
bindings: Binding[];
isScope: boolean;
}
>;
export type CallSite = [SourcesIndex, Line, Column];
type Binding = BindingExpressionRange[];
export type BindingExpressionRange = [Name] | [Name, Line, Column];
export function decodeOriginalScopes(input: string): OriginalScope[] {
const { length } = input;
const reader = new StringReader(input);
const scopes: OriginalScope[] = [];
const stack: OriginalScope[] = [];
let line = 0;
for (; reader.pos < length; reader.pos++) {
line = decodeInteger(reader, line);
const column = decodeInteger(reader, 0);
if (!hasMoreVlq(reader, length)) {
const last = stack.pop()!;
last[2] = line;
last[3] = column;
continue;
}
const kind = decodeInteger(reader, 0);
const fields = decodeInteger(reader, 0);
const hasName = fields & 0b0001;
const scope: OriginalScope = (
hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind]
) as OriginalScope;
let vars: Var[] = EMPTY;
if (hasMoreVlq(reader, length)) {
vars = [];
do {
const varsIndex = decodeInteger(reader, 0);
vars.push(varsIndex);
} while (hasMoreVlq(reader, length));
}
scope.vars = vars;
scopes.push(scope);
stack.push(scope);
}
return scopes;
}
export function encodeOriginalScopes(scopes: OriginalScope[]): string {
const writer = new StringWriter();
for (let i = 0; i < scopes.length; ) {
i = _encodeOriginalScopes(scopes, i, writer, [0]);
}
return writer.flush();
}
function _encodeOriginalScopes(
scopes: OriginalScope[],
index: number,
writer: StringWriter,
state: [
number, // GenColumn
],
): number {
const scope = scopes[index];
const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
if (index > 0) writer.write(comma);
state[0] = encodeInteger(writer, startLine, state[0]);
encodeInteger(writer, startColumn, 0);
encodeInteger(writer, kind, 0);
const fields = scope.length === 6 ? 0b0001 : 0;
encodeInteger(writer, fields, 0);
if (scope.length === 6) encodeInteger(writer, scope[5], 0);
for (const v of vars) {
encodeInteger(writer, v, 0);
}
for (index++; index < scopes.length; ) {
const next = scopes[index];
const { 0: l, 1: c } = next;
if (l > endLine || (l === endLine && c >= endColumn)) {
break;
}
index = _encodeOriginalScopes(scopes, index, writer, state);
}
writer.write(comma);
state[0] = encodeInteger(writer, endLine, state[0]);
encodeInteger(writer, endColumn, 0);
return index;
}
export function decodeGeneratedRanges(input: string): GeneratedRange[] {
const { length } = input;
const reader = new StringReader(input);
const ranges: GeneratedRange[] = [];
const stack: GeneratedRange[] = [];
let genLine = 0;
let definitionSourcesIndex = 0;
let definitionScopeIndex = 0;
let callsiteSourcesIndex = 0;
let callsiteLine = 0;
let callsiteColumn = 0;
let bindingLine = 0;
let bindingColumn = 0;
do {
const semi = reader.indexOf(';');
let genColumn = 0;
for (; reader.pos < semi; reader.pos++) {
genColumn = decodeInteger(reader, genColumn);
if (!hasMoreVlq(reader, semi)) {
const last = stack.pop()!;
last[2] = genLine;
last[3] = genColumn;
continue;
}
const fields = decodeInteger(reader, 0);
const hasDefinition = fields & 0b0001;
const hasCallsite = fields & 0b0010;
const hasScope = fields & 0b0100;
let callsite: CallSite | null = null;
let bindings: Binding[] = EMPTY;
let range: GeneratedRange;
if (hasDefinition) {
const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
definitionScopeIndex = decodeInteger(
reader,
definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0,
);
definitionSourcesIndex = defSourcesIndex;
range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex] as GeneratedRange;
} else {
range = [genLine, genColumn, 0, 0] as GeneratedRange;
}
range.isScope = !!hasScope;
if (hasCallsite) {
const prevCsi = callsiteSourcesIndex;
const prevLine = callsiteLine;
callsiteSourcesIndex = decodeInteger(reader, callsiteSourcesIndex);
const sameSource = prevCsi === callsiteSourcesIndex;
callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
callsiteColumn = decodeInteger(
reader,
sameSource && prevLine === callsiteLine ? callsiteColumn : 0,
);
callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
}
range.callsite = callsite;
if (hasMoreVlq(reader, semi)) {
bindings = [];
do {
bindingLine = genLine;
bindingColumn = genColumn;
const expressionsCount = decodeInteger(reader, 0);
let expressionRanges: BindingExpressionRange[];
if (expressionsCount < -1) {
expressionRanges = [[decodeInteger(reader, 0)]];
for (let i = -1; i > expressionsCount; i--) {
const prevBl = bindingLine;
bindingLine = decodeInteger(reader, bindingLine);
bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
const expression = decodeInteger(reader, 0);
expressionRanges.push([expression, bindingLine, bindingColumn]);
}
} else {
expressionRanges = [[expressionsCount]];
}
bindings.push(expressionRanges);
} while (hasMoreVlq(reader, semi));
}
range.bindings = bindings;
ranges.push(range);
stack.push(range);
}
genLine++;
reader.pos = semi + 1;
} while (reader.pos < length);
return ranges;
}
export function encodeGeneratedRanges(ranges: GeneratedRange[]): string {
if (ranges.length === 0) return '';
const writer = new StringWriter();
for (let i = 0; i < ranges.length; ) {
i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
}
return writer.flush();
}
function _encodeGeneratedRanges(
ranges: GeneratedRange[],
index: number,
writer: StringWriter,
state: [
number, // GenLine
number, // GenColumn
number, // DefSourcesIndex
number, // DefScopesIndex
number, // CallSourcesIndex
number, // CallLine
number, // CallColumn
],
): number {
const range = ranges[index];
const {
0: startLine,
1: startColumn,
2: endLine,
3: endColumn,
isScope,
callsite,
bindings,
} = range;
if (state[0] < startLine) {
catchupLine(writer, state[0], startLine);
state[0] = startLine;
state[1] = 0;
} else if (index > 0) {
writer.write(comma);
}
state[1] = encodeInteger(writer, range[1], state[1]);
const fields =
(range.length === 6 ? 0b0001 : 0) | (callsite ? 0b0010 : 0) | (isScope ? 0b0100 : 0);
encodeInteger(writer, fields, 0);
if (range.length === 6) {
const { 4: sourcesIndex, 5: scopesIndex } = range;
if (sourcesIndex !== state[2]) {
state[3] = 0;
}
state[2] = encodeInteger(writer, sourcesIndex, state[2]);
state[3] = encodeInteger(writer, scopesIndex, state[3]);
}
if (callsite) {
const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite!;
if (sourcesIndex !== state[4]) {
state[5] = 0;
state[6] = 0;
} else if (callLine !== state[5]) {
state[6] = 0;
}
state[4] = encodeInteger(writer, sourcesIndex, state[4]);
state[5] = encodeInteger(writer, callLine, state[5]);
state[6] = encodeInteger(writer, callColumn, state[6]);
}
if (bindings) {
for (const binding of bindings) {
if (binding.length > 1) encodeInteger(writer, -binding.length, 0);
const expression = binding[0][0];
encodeInteger(writer, expression, 0);
let bindingStartLine = startLine;
let bindingStartColumn = startColumn;
for (let i = 1; i < binding.length; i++) {
const expRange = binding[i];
bindingStartLine = encodeInteger(writer, expRange[1]!, bindingStartLine);
bindingStartColumn = encodeInteger(writer, expRange[2]!, bindingStartColumn);
encodeInteger(writer, expRange[0]!, 0);
}
}
}
for (index++; index < ranges.length; ) {
const next = ranges[index];
const { 0: l, 1: c } = next;
if (l > endLine || (l === endLine && c >= endColumn)) {
break;
}
index = _encodeGeneratedRanges(ranges, index, writer, state);
}
if (state[0] < endLine) {
catchupLine(writer, state[0], endLine);
state[0] = endLine;
state[1] = 0;
} else {
writer.write(comma);
}
state[1] = encodeInteger(writer, endColumn, state[1]);
return index;
}
function catchupLine(writer: StringWriter, lastLine: number, line: number) {
do {
writer.write(semicolon);
} while (++lastLine < line);
}

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@ -0,0 +1,111 @@
import { comma, decodeInteger, encodeInteger, hasMoreVlq, semicolon } from './vlq';
import { StringWriter, StringReader } from './strings';
export {
decodeOriginalScopes,
encodeOriginalScopes,
decodeGeneratedRanges,
encodeGeneratedRanges,
} from './scopes';
export type { OriginalScope, GeneratedRange, CallSite, BindingExpressionRange } from './scopes';
export type SourceMapSegment =
| [number]
| [number, number, number, number]
| [number, number, number, number, number];
export type SourceMapLine = SourceMapSegment[];
export type SourceMapMappings = SourceMapLine[];
export function decode(mappings: string): SourceMapMappings {
const { length } = mappings;
const reader = new StringReader(mappings);
const decoded: SourceMapMappings = [];
let genColumn = 0;
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
do {
const semi = reader.indexOf(';');
const line: SourceMapLine = [];
let sorted = true;
let lastCol = 0;
genColumn = 0;
while (reader.pos < semi) {
let seg: SourceMapSegment;
genColumn = decodeInteger(reader, genColumn);
if (genColumn < lastCol) sorted = false;
lastCol = genColumn;
if (hasMoreVlq(reader, semi)) {
sourcesIndex = decodeInteger(reader, sourcesIndex);
sourceLine = decodeInteger(reader, sourceLine);
sourceColumn = decodeInteger(reader, sourceColumn);
if (hasMoreVlq(reader, semi)) {
namesIndex = decodeInteger(reader, namesIndex);
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
} else {
seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
}
} else {
seg = [genColumn];
}
line.push(seg);
reader.pos++;
}
if (!sorted) sort(line);
decoded.push(line);
reader.pos = semi + 1;
} while (reader.pos <= length);
return decoded;
}
function sort(line: SourceMapSegment[]) {
line.sort(sortComparator);
}
function sortComparator(a: SourceMapSegment, b: SourceMapSegment): number {
return a[0] - b[0];
}
export function encode(decoded: SourceMapMappings): string;
export function encode(decoded: Readonly<SourceMapMappings>): string;
export function encode(decoded: Readonly<SourceMapMappings>): string {
const writer = new StringWriter();
let sourcesIndex = 0;
let sourceLine = 0;
let sourceColumn = 0;
let namesIndex = 0;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
if (i > 0) writer.write(semicolon);
if (line.length === 0) continue;
let genColumn = 0;
for (let j = 0; j < line.length; j++) {
const segment = line[j];
if (j > 0) writer.write(comma);
genColumn = encodeInteger(writer, segment[0], genColumn);
if (segment.length === 1) continue;
sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
sourceLine = encodeInteger(writer, segment[2], sourceLine);
sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
if (segment.length === 4) continue;
namesIndex = encodeInteger(writer, segment[4], namesIndex);
}
}
return writer.flush();
}

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const bufLength = 1024 * 16;
// Provide a fallback for older environments.
const td =
typeof TextDecoder !== 'undefined'
? /* #__PURE__ */ new TextDecoder()
: typeof Buffer !== 'undefined'
? {
decode(buf: Uint8Array): string {
const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
return out.toString();
},
}
: {
decode(buf: Uint8Array): string {
let out = '';
for (let i = 0; i < buf.length; i++) {
out += String.fromCharCode(buf[i]);
}
return out;
},
};
export class StringWriter {
pos = 0;
private out = '';
private buffer = new Uint8Array(bufLength);
write(v: number): void {
const { buffer } = this;
buffer[this.pos++] = v;
if (this.pos === bufLength) {
this.out += td.decode(buffer);
this.pos = 0;
}
}
flush(): string {
const { buffer, out, pos } = this;
return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
}
}
export class StringReader {
pos = 0;
declare private buffer: string;
constructor(buffer: string) {
this.buffer = buffer;
}
next(): number {
return this.buffer.charCodeAt(this.pos++);
}
peek(): number {
return this.buffer.charCodeAt(this.pos);
}
indexOf(char: string): number {
const { buffer, pos } = this;
const idx = buffer.indexOf(char, pos);
return idx === -1 ? buffer.length : idx;
}
}

55
node_modules/@jridgewell/sourcemap-codec/src/vlq.ts generated vendored Normal file
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import type { StringReader, StringWriter } from './strings';
export const comma = ','.charCodeAt(0);
export const semicolon = ';'.charCodeAt(0);
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
const intToChar = new Uint8Array(64); // 64 possible chars.
const charToInt = new Uint8Array(128); // z is 122 in ASCII
for (let i = 0; i < chars.length; i++) {
const c = chars.charCodeAt(i);
intToChar[i] = c;
charToInt[c] = i;
}
export function decodeInteger(reader: StringReader, relative: number): number {
let value = 0;
let shift = 0;
let integer = 0;
do {
const c = reader.next();
integer = charToInt[c];
value |= (integer & 31) << shift;
shift += 5;
} while (integer & 32);
const shouldNegate = value & 1;
value >>>= 1;
if (shouldNegate) {
value = -0x80000000 | -value;
}
return relative + value;
}
export function encodeInteger(builder: StringWriter, num: number, relative: number): number {
let delta = num - relative;
delta = delta < 0 ? (-delta << 1) | 1 : delta << 1;
do {
let clamped = delta & 0b011111;
delta >>>= 5;
if (delta > 0) clamped |= 0b100000;
builder.write(intToChar[clamped]);
} while (delta > 0);
return num;
}
export function hasMoreVlq(reader: StringReader, max: number) {
if (reader.pos >= max) return false;
return reader.peek() !== comma;
}

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@ -0,0 +1,50 @@
type Line = number;
type Column = number;
type Kind = number;
type Name = number;
type Var = number;
type SourcesIndex = number;
type ScopesIndex = number;
type Mix<A, B, O> = (A & O) | (B & O);
export type OriginalScope = Mix<[
Line,
Column,
Line,
Column,
Kind
], [
Line,
Column,
Line,
Column,
Kind,
Name
], {
vars: Var[];
}>;
export type GeneratedRange = Mix<[
Line,
Column,
Line,
Column
], [
Line,
Column,
Line,
Column,
SourcesIndex,
ScopesIndex
], {
callsite: CallSite | null;
bindings: Binding[];
isScope: boolean;
}>;
export type CallSite = [SourcesIndex, Line, Column];
type Binding = BindingExpressionRange[];
export type BindingExpressionRange = [Name] | [Name, Line, Column];
export declare function decodeOriginalScopes(input: string): OriginalScope[];
export declare function encodeOriginalScopes(scopes: OriginalScope[]): string;
export declare function decodeGeneratedRanges(input: string): GeneratedRange[];
export declare function encodeGeneratedRanges(ranges: GeneratedRange[]): string;
export {};
//# sourceMappingURL=scopes.d.ts.map

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@ -0,0 +1 @@
{"version":3,"file":"scopes.d.ts","sourceRoot":"","sources":["../src/scopes.ts"],"names":[],"mappings":"AAKA,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,MAAM,GAAG,MAAM,CAAC;AACrB,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,GAAG,GAAG,MAAM,CAAC;AAClB,KAAK,YAAY,GAAG,MAAM,CAAC;AAC3B,KAAK,WAAW,GAAG,MAAM,CAAC;AAE1B,KAAK,GAAG,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AAEtC,MAAM,MAAM,aAAa,GAAG,GAAG,CAC7B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,IAAI;CAAC,EAClC;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,IAAI;CAAC,EACxC;IAAE,IAAI,EAAE,GAAG,EAAE,CAAA;CAAE,CAChB,CAAC;AAEF,MAAM,MAAM,cAAc,GAAG,GAAG,CAC9B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;CAAC,EAC5B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,YAAY;IAAE,WAAW;CAAC,EACvD;IACE,QAAQ,EAAE,QAAQ,GAAG,IAAI,CAAC;IAC1B,QAAQ,EAAE,OAAO,EAAE,CAAC;IACpB,OAAO,EAAE,OAAO,CAAC;CAClB,CACF,CAAC;AACF,MAAM,MAAM,QAAQ,GAAG,CAAC,YAAY,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;AACpD,KAAK,OAAO,GAAG,sBAAsB,EAAE,CAAC;AACxC,MAAM,MAAM,sBAAsB,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;AAEnE,wBAAgB,oBAAoB,CAAC,KAAK,EAAE,MAAM,GAAG,aAAa,EAAE,CAyCnE;AAED,wBAAgB,oBAAoB,CAAC,MAAM,EAAE,aAAa,EAAE,GAAG,MAAM,CAQpE;AA2CD,wBAAgB,qBAAqB,CAAC,KAAK,EAAE,MAAM,GAAG,cAAc,EAAE,CAoGrE;AAED,wBAAgB,qBAAqB,CAAC,MAAM,EAAE,cAAc,EAAE,GAAG,MAAM,CAUtE"}

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@ -0,0 +1,50 @@
type Line = number;
type Column = number;
type Kind = number;
type Name = number;
type Var = number;
type SourcesIndex = number;
type ScopesIndex = number;
type Mix<A, B, O> = (A & O) | (B & O);
export type OriginalScope = Mix<[
Line,
Column,
Line,
Column,
Kind
], [
Line,
Column,
Line,
Column,
Kind,
Name
], {
vars: Var[];
}>;
export type GeneratedRange = Mix<[
Line,
Column,
Line,
Column
], [
Line,
Column,
Line,
Column,
SourcesIndex,
ScopesIndex
], {
callsite: CallSite | null;
bindings: Binding[];
isScope: boolean;
}>;
export type CallSite = [SourcesIndex, Line, Column];
type Binding = BindingExpressionRange[];
export type BindingExpressionRange = [Name] | [Name, Line, Column];
export declare function decodeOriginalScopes(input: string): OriginalScope[];
export declare function encodeOriginalScopes(scopes: OriginalScope[]): string;
export declare function decodeGeneratedRanges(input: string): GeneratedRange[];
export declare function encodeGeneratedRanges(ranges: GeneratedRange[]): string;
export {};
//# sourceMappingURL=scopes.d.ts.map

View File

@ -0,0 +1 @@
{"version":3,"file":"scopes.d.ts","sourceRoot":"","sources":["../src/scopes.ts"],"names":[],"mappings":"AAKA,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,MAAM,GAAG,MAAM,CAAC;AACrB,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,IAAI,GAAG,MAAM,CAAC;AACnB,KAAK,GAAG,GAAG,MAAM,CAAC;AAClB,KAAK,YAAY,GAAG,MAAM,CAAC;AAC3B,KAAK,WAAW,GAAG,MAAM,CAAC;AAE1B,KAAK,GAAG,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;AAEtC,MAAM,MAAM,aAAa,GAAG,GAAG,CAC7B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,IAAI;CAAC,EAClC;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,IAAI;CAAC,EACxC;IAAE,IAAI,EAAE,GAAG,EAAE,CAAA;CAAE,CAChB,CAAC;AAEF,MAAM,MAAM,cAAc,GAAG,GAAG,CAC9B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;CAAC,EAC5B;IAAC,IAAI;IAAE,MAAM;IAAE,IAAI;IAAE,MAAM;IAAE,YAAY;IAAE,WAAW;CAAC,EACvD;IACE,QAAQ,EAAE,QAAQ,GAAG,IAAI,CAAC;IAC1B,QAAQ,EAAE,OAAO,EAAE,CAAC;IACpB,OAAO,EAAE,OAAO,CAAC;CAClB,CACF,CAAC;AACF,MAAM,MAAM,QAAQ,GAAG,CAAC,YAAY,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;AACpD,KAAK,OAAO,GAAG,sBAAsB,EAAE,CAAC;AACxC,MAAM,MAAM,sBAAsB,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,IAAI,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;AAEnE,wBAAgB,oBAAoB,CAAC,KAAK,EAAE,MAAM,GAAG,aAAa,EAAE,CAyCnE;AAED,wBAAgB,oBAAoB,CAAC,MAAM,EAAE,aAAa,EAAE,GAAG,MAAM,CAQpE;AA2CD,wBAAgB,qBAAqB,CAAC,KAAK,EAAE,MAAM,GAAG,cAAc,EAAE,CAoGrE;AAED,wBAAgB,qBAAqB,CAAC,MAAM,EAAE,cAAc,EAAE,GAAG,MAAM,CAUtE"}

View File

@ -0,0 +1,9 @@
export { decodeOriginalScopes, encodeOriginalScopes, decodeGeneratedRanges, encodeGeneratedRanges, } from './scopes.cts';
export type { OriginalScope, GeneratedRange, CallSite, BindingExpressionRange } from './scopes.cts';
export type SourceMapSegment = [number] | [number, number, number, number] | [number, number, number, number, number];
export type SourceMapLine = SourceMapSegment[];
export type SourceMapMappings = SourceMapLine[];
export declare function decode(mappings: string): SourceMapMappings;
export declare function encode(decoded: SourceMapMappings): string;
export declare function encode(decoded: Readonly<SourceMapMappings>): string;
//# sourceMappingURL=sourcemap-codec.d.ts.map

View File

@ -0,0 +1 @@
{"version":3,"file":"sourcemap-codec.d.ts","sourceRoot":"","sources":["../src/sourcemap-codec.ts"],"names":[],"mappings":"AAGA,OAAO,EACL,oBAAoB,EACpB,oBAAoB,EACpB,qBAAqB,EACrB,qBAAqB,GACtB,MAAM,UAAU,CAAC;AAClB,YAAY,EAAE,aAAa,EAAE,cAAc,EAAE,QAAQ,EAAE,sBAAsB,EAAE,MAAM,UAAU,CAAC;AAEhG,MAAM,MAAM,gBAAgB,GACxB,CAAC,MAAM,CAAC,GACR,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,GAChC,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,CAAC;AAC7C,MAAM,MAAM,aAAa,GAAG,gBAAgB,EAAE,CAAC;AAC/C,MAAM,MAAM,iBAAiB,GAAG,aAAa,EAAE,CAAC;AAEhD,wBAAgB,MAAM,CAAC,QAAQ,EAAE,MAAM,GAAG,iBAAiB,CAiD1D;AAUD,wBAAgB,MAAM,CAAC,OAAO,EAAE,iBAAiB,GAAG,MAAM,CAAC;AAC3D,wBAAgB,MAAM,CAAC,OAAO,EAAE,QAAQ,CAAC,iBAAiB,CAAC,GAAG,MAAM,CAAC"}

View File

@ -0,0 +1,9 @@
export { decodeOriginalScopes, encodeOriginalScopes, decodeGeneratedRanges, encodeGeneratedRanges, } from './scopes.mts';
export type { OriginalScope, GeneratedRange, CallSite, BindingExpressionRange } from './scopes.mts';
export type SourceMapSegment = [number] | [number, number, number, number] | [number, number, number, number, number];
export type SourceMapLine = SourceMapSegment[];
export type SourceMapMappings = SourceMapLine[];
export declare function decode(mappings: string): SourceMapMappings;
export declare function encode(decoded: SourceMapMappings): string;
export declare function encode(decoded: Readonly<SourceMapMappings>): string;
//# sourceMappingURL=sourcemap-codec.d.ts.map

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{"version":3,"file":"sourcemap-codec.d.ts","sourceRoot":"","sources":["../src/sourcemap-codec.ts"],"names":[],"mappings":"AAGA,OAAO,EACL,oBAAoB,EACpB,oBAAoB,EACpB,qBAAqB,EACrB,qBAAqB,GACtB,MAAM,UAAU,CAAC;AAClB,YAAY,EAAE,aAAa,EAAE,cAAc,EAAE,QAAQ,EAAE,sBAAsB,EAAE,MAAM,UAAU,CAAC;AAEhG,MAAM,MAAM,gBAAgB,GACxB,CAAC,MAAM,CAAC,GACR,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,GAChC,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,CAAC;AAC7C,MAAM,MAAM,aAAa,GAAG,gBAAgB,EAAE,CAAC;AAC/C,MAAM,MAAM,iBAAiB,GAAG,aAAa,EAAE,CAAC;AAEhD,wBAAgB,MAAM,CAAC,QAAQ,EAAE,MAAM,GAAG,iBAAiB,CAiD1D;AAUD,wBAAgB,MAAM,CAAC,OAAO,EAAE,iBAAiB,GAAG,MAAM,CAAC;AAC3D,wBAAgB,MAAM,CAAC,OAAO,EAAE,QAAQ,CAAC,iBAAiB,CAAC,GAAG,MAAM,CAAC"}

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export declare class StringWriter {
pos: number;
private out;
private buffer;
write(v: number): void;
flush(): string;
}
export declare class StringReader {
pos: number;
private buffer;
constructor(buffer: string);
next(): number;
peek(): number;
indexOf(char: string): number;
}
//# sourceMappingURL=strings.d.ts.map

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@ -0,0 +1 @@
{"version":3,"file":"strings.d.ts","sourceRoot":"","sources":["../src/strings.ts"],"names":[],"mappings":"AAuBA,qBAAa,YAAY;IACvB,GAAG,SAAK;IACR,OAAO,CAAC,GAAG,CAAM;IACjB,OAAO,CAAC,MAAM,CAA6B;IAE3C,KAAK,CAAC,CAAC,EAAE,MAAM,GAAG,IAAI;IAStB,KAAK,IAAI,MAAM;CAIhB;AAED,qBAAa,YAAY;IACvB,GAAG,SAAK;IACR,QAAgB,MAAM,CAAS;gBAEnB,MAAM,EAAE,MAAM;IAI1B,IAAI,IAAI,MAAM;IAId,IAAI,IAAI,MAAM;IAId,OAAO,CAAC,IAAI,EAAE,MAAM,GAAG,MAAM;CAK9B"}

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export declare class StringWriter {
pos: number;
private out;
private buffer;
write(v: number): void;
flush(): string;
}
export declare class StringReader {
pos: number;
private buffer;
constructor(buffer: string);
next(): number;
peek(): number;
indexOf(char: string): number;
}
//# sourceMappingURL=strings.d.ts.map

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@ -0,0 +1 @@
{"version":3,"file":"strings.d.ts","sourceRoot":"","sources":["../src/strings.ts"],"names":[],"mappings":"AAuBA,qBAAa,YAAY;IACvB,GAAG,SAAK;IACR,OAAO,CAAC,GAAG,CAAM;IACjB,OAAO,CAAC,MAAM,CAA6B;IAE3C,KAAK,CAAC,CAAC,EAAE,MAAM,GAAG,IAAI;IAStB,KAAK,IAAI,MAAM;CAIhB;AAED,qBAAa,YAAY;IACvB,GAAG,SAAK;IACR,QAAgB,MAAM,CAAS;gBAEnB,MAAM,EAAE,MAAM;IAI1B,IAAI,IAAI,MAAM;IAId,IAAI,IAAI,MAAM;IAId,OAAO,CAAC,IAAI,EAAE,MAAM,GAAG,MAAM;CAK9B"}

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import type { StringReader, StringWriter } from './strings.cts';
export declare const comma: number;
export declare const semicolon: number;
export declare function decodeInteger(reader: StringReader, relative: number): number;
export declare function encodeInteger(builder: StringWriter, num: number, relative: number): number;
export declare function hasMoreVlq(reader: StringReader, max: number): boolean;
//# sourceMappingURL=vlq.d.ts.map

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{"version":3,"file":"vlq.d.ts","sourceRoot":"","sources":["../src/vlq.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,YAAY,EAAE,YAAY,EAAE,MAAM,WAAW,CAAC;AAE5D,eAAO,MAAM,KAAK,QAAoB,CAAC;AACvC,eAAO,MAAM,SAAS,QAAoB,CAAC;AAY3C,wBAAgB,aAAa,CAAC,MAAM,EAAE,YAAY,EAAE,QAAQ,EAAE,MAAM,GAAG,MAAM,CAoB5E;AAED,wBAAgB,aAAa,CAAC,OAAO,EAAE,YAAY,EAAE,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,MAAM,GAAG,MAAM,CAY1F;AAED,wBAAgB,UAAU,CAAC,MAAM,EAAE,YAAY,EAAE,GAAG,EAAE,MAAM,WAG3D"}

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import type { StringReader, StringWriter } from './strings.mts';
export declare const comma: number;
export declare const semicolon: number;
export declare function decodeInteger(reader: StringReader, relative: number): number;
export declare function encodeInteger(builder: StringWriter, num: number, relative: number): number;
export declare function hasMoreVlq(reader: StringReader, max: number): boolean;
//# sourceMappingURL=vlq.d.ts.map

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{"version":3,"file":"vlq.d.ts","sourceRoot":"","sources":["../src/vlq.ts"],"names":[],"mappings":"AAAA,OAAO,KAAK,EAAE,YAAY,EAAE,YAAY,EAAE,MAAM,WAAW,CAAC;AAE5D,eAAO,MAAM,KAAK,QAAoB,CAAC;AACvC,eAAO,MAAM,SAAS,QAAoB,CAAC;AAY3C,wBAAgB,aAAa,CAAC,MAAM,EAAE,YAAY,EAAE,QAAQ,EAAE,MAAM,GAAG,MAAM,CAoB5E;AAED,wBAAgB,aAAa,CAAC,OAAO,EAAE,YAAY,EAAE,GAAG,EAAE,MAAM,EAAE,QAAQ,EAAE,MAAM,GAAG,MAAM,CAY1F;AAED,wBAAgB,UAAU,CAAC,MAAM,EAAE,YAAY,EAAE,GAAG,EAAE,MAAM,WAG3D"}

19
node_modules/@jridgewell/trace-mapping/LICENSE generated vendored Normal file
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Copyright 2022 Justin Ridgewell <justin@ridgewell.name>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

193
node_modules/@jridgewell/trace-mapping/README.md generated vendored Normal file
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# @jridgewell/trace-mapping
> Trace the original position through a source map
`trace-mapping` allows you to take the line and column of an output file and trace it to the
original location in the source file through a source map.
You may already be familiar with the [`source-map`][source-map] package's `SourceMapConsumer`. This
provides the same `originalPositionFor` and `generatedPositionFor` API, without requiring WASM.
## Installation
```sh
npm install @jridgewell/trace-mapping
```
## Usage
```typescript
import { TraceMap, originalPositionFor, generatedPositionFor } from '@jridgewell/trace-mapping';
const tracer = new TraceMap({
version: 3,
sources: ['input.js'],
names: ['foo'],
mappings: 'KAyCIA',
});
// Lines start at line 1, columns at column 0.
const traced = originalPositionFor(tracer, { line: 1, column: 5 });
assert.deepEqual(traced, {
source: 'input.js',
line: 42,
column: 4,
name: 'foo',
});
const generated = generatedPositionFor(tracer, {
source: 'input.js',
line: 42,
column: 4,
});
assert.deepEqual(generated, {
line: 1,
column: 5,
});
```
We also provide a lower level API to get the actual segment that matches our line and column. Unlike
`originalPositionFor`, `traceSegment` uses a 0-base for `line`:
```typescript
import { traceSegment } from '@jridgewell/trace-mapping';
// line is 0-base.
const traced = traceSegment(tracer, /* line */ 0, /* column */ 5);
// Segments are [outputColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex]
// Again, line is 0-base and so is sourceLine
assert.deepEqual(traced, [5, 0, 41, 4, 0]);
```
### SectionedSourceMaps
The sourcemap spec defines a special `sections` field that's designed to handle concatenation of
output code with associated sourcemaps. This type of sourcemap is rarely used (no major build tool
produces it), but if you are hand coding a concatenation you may need it. We provide an `AnyMap`
helper that can receive either a regular sourcemap or a `SectionedSourceMap` and returns a
`TraceMap` instance:
```typescript
import { AnyMap } from '@jridgewell/trace-mapping';
const fooOutput = 'foo';
const barOutput = 'bar';
const output = [fooOutput, barOutput].join('\n');
const sectioned = new AnyMap({
version: 3,
sections: [
{
// 0-base line and column
offset: { line: 0, column: 0 },
// fooOutput's sourcemap
map: {
version: 3,
sources: ['foo.js'],
names: ['foo'],
mappings: 'AAAAA',
},
},
{
// barOutput's sourcemap will not affect the first line, only the second
offset: { line: 1, column: 0 },
map: {
version: 3,
sources: ['bar.js'],
names: ['bar'],
mappings: 'AAAAA',
},
},
],
});
const traced = originalPositionFor(sectioned, {
line: 2,
column: 0,
});
assert.deepEqual(traced, {
source: 'bar.js',
line: 1,
column: 0,
name: 'bar',
});
```
## Benchmarks
```
node v18.0.0
amp.js.map
trace-mapping: decoded JSON input x 183 ops/sec ±0.41% (87 runs sampled)
trace-mapping: encoded JSON input x 384 ops/sec ±0.89% (89 runs sampled)
trace-mapping: decoded Object input x 3,085 ops/sec ±0.24% (100 runs sampled)
trace-mapping: encoded Object input x 452 ops/sec ±0.80% (84 runs sampled)
source-map-js: encoded Object input x 88.82 ops/sec ±0.45% (77 runs sampled)
source-map-0.6.1: encoded Object input x 38.39 ops/sec ±1.88% (52 runs sampled)
Fastest is trace-mapping: decoded Object input
trace-mapping: decoded originalPositionFor x 4,025,347 ops/sec ±0.15% (97 runs sampled)
trace-mapping: encoded originalPositionFor x 3,333,136 ops/sec ±1.26% (90 runs sampled)
source-map-js: encoded originalPositionFor x 824,978 ops/sec ±1.06% (94 runs sampled)
source-map-0.6.1: encoded originalPositionFor x 741,300 ops/sec ±0.93% (92 runs sampled)
source-map-0.8.0: encoded originalPositionFor x 2,587,603 ops/sec ±0.75% (97 runs sampled)
Fastest is trace-mapping: decoded originalPositionFor
***
babel.min.js.map
trace-mapping: decoded JSON input x 17.43 ops/sec ±8.81% (33 runs sampled)
trace-mapping: encoded JSON input x 34.18 ops/sec ±4.67% (50 runs sampled)
trace-mapping: decoded Object input x 1,010 ops/sec ±0.41% (98 runs sampled)
trace-mapping: encoded Object input x 39.45 ops/sec ±4.01% (52 runs sampled)
source-map-js: encoded Object input x 6.57 ops/sec ±3.04% (21 runs sampled)
source-map-0.6.1: encoded Object input x 4.23 ops/sec ±2.93% (15 runs sampled)
Fastest is trace-mapping: decoded Object input
trace-mapping: decoded originalPositionFor x 7,576,265 ops/sec ±0.74% (96 runs sampled)
trace-mapping: encoded originalPositionFor x 5,019,743 ops/sec ±0.74% (94 runs sampled)
source-map-js: encoded originalPositionFor x 3,396,137 ops/sec ±42.32% (95 runs sampled)
source-map-0.6.1: encoded originalPositionFor x 3,753,176 ops/sec ±0.72% (95 runs sampled)
source-map-0.8.0: encoded originalPositionFor x 6,423,633 ops/sec ±0.74% (95 runs sampled)
Fastest is trace-mapping: decoded originalPositionFor
***
preact.js.map
trace-mapping: decoded JSON input x 3,499 ops/sec ±0.18% (98 runs sampled)
trace-mapping: encoded JSON input x 6,078 ops/sec ±0.25% (99 runs sampled)
trace-mapping: decoded Object input x 254,788 ops/sec ±0.13% (100 runs sampled)
trace-mapping: encoded Object input x 14,063 ops/sec ±0.27% (94 runs sampled)
source-map-js: encoded Object input x 2,465 ops/sec ±0.25% (98 runs sampled)
source-map-0.6.1: encoded Object input x 1,174 ops/sec ±1.90% (95 runs sampled)
Fastest is trace-mapping: decoded Object input
trace-mapping: decoded originalPositionFor x 7,720,171 ops/sec ±0.14% (97 runs sampled)
trace-mapping: encoded originalPositionFor x 6,864,485 ops/sec ±0.16% (101 runs sampled)
source-map-js: encoded originalPositionFor x 2,387,219 ops/sec ±0.28% (98 runs sampled)
source-map-0.6.1: encoded originalPositionFor x 1,565,339 ops/sec ±0.32% (101 runs sampled)
source-map-0.8.0: encoded originalPositionFor x 3,819,732 ops/sec ±0.38% (98 runs sampled)
Fastest is trace-mapping: decoded originalPositionFor
***
react.js.map
trace-mapping: decoded JSON input x 1,719 ops/sec ±0.19% (99 runs sampled)
trace-mapping: encoded JSON input x 4,284 ops/sec ±0.51% (99 runs sampled)
trace-mapping: decoded Object input x 94,668 ops/sec ±0.08% (99 runs sampled)
trace-mapping: encoded Object input x 5,287 ops/sec ±0.24% (99 runs sampled)
source-map-js: encoded Object input x 814 ops/sec ±0.20% (98 runs sampled)
source-map-0.6.1: encoded Object input x 429 ops/sec ±0.24% (94 runs sampled)
Fastest is trace-mapping: decoded Object input
trace-mapping: decoded originalPositionFor x 28,927,989 ops/sec ±0.61% (94 runs sampled)
trace-mapping: encoded originalPositionFor x 27,394,475 ops/sec ±0.55% (97 runs sampled)
source-map-js: encoded originalPositionFor x 16,856,730 ops/sec ±0.45% (96 runs sampled)
source-map-0.6.1: encoded originalPositionFor x 12,258,950 ops/sec ±0.41% (97 runs sampled)
source-map-0.8.0: encoded originalPositionFor x 22,272,990 ops/sec ±0.58% (95 runs sampled)
Fastest is trace-mapping: decoded originalPositionFor
```
[source-map]: https://www.npmjs.com/package/source-map

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import { encode, decode } from '@jridgewell/sourcemap-codec';
import resolveUri from '@jridgewell/resolve-uri';
function resolve(input, base) {
// The base is always treated as a directory, if it's not empty.
// https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
// https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
if (base && !base.endsWith('/'))
base += '/';
return resolveUri(input, base);
}
/**
* Removes everything after the last "/", but leaves the slash.
*/
function stripFilename(path) {
if (!path)
return '';
const index = path.lastIndexOf('/');
return path.slice(0, index + 1);
}
const COLUMN = 0;
const SOURCES_INDEX = 1;
const SOURCE_LINE = 2;
const SOURCE_COLUMN = 3;
const NAMES_INDEX = 4;
const REV_GENERATED_LINE = 1;
const REV_GENERATED_COLUMN = 2;
function maybeSort(mappings, owned) {
const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
if (unsortedIndex === mappings.length)
return mappings;
// If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If
// not, we do not want to modify the consumer's input array.
if (!owned)
mappings = mappings.slice();
for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
mappings[i] = sortSegments(mappings[i], owned);
}
return mappings;
}
function nextUnsortedSegmentLine(mappings, start) {
for (let i = start; i < mappings.length; i++) {
if (!isSorted(mappings[i]))
return i;
}
return mappings.length;
}
function isSorted(line) {
for (let j = 1; j < line.length; j++) {
if (line[j][COLUMN] < line[j - 1][COLUMN]) {
return false;
}
}
return true;
}
function sortSegments(line, owned) {
if (!owned)
line = line.slice();
return line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[COLUMN] - b[COLUMN];
}
let found = false;
/**
* A binary search implementation that returns the index if a match is found.
* If no match is found, then the left-index (the index associated with the item that comes just
* before the desired index) is returned. To maintain proper sort order, a splice would happen at
* the next index:
*
* ```js
* const array = [1, 3];
* const needle = 2;
* const index = binarySearch(array, needle, (item, needle) => item - needle);
*
* assert.equal(index, 0);
* array.splice(index + 1, 0, needle);
* assert.deepEqual(array, [1, 2, 3]);
* ```
*/
function binarySearch(haystack, needle, low, high) {
while (low <= high) {
const mid = low + ((high - low) >> 1);
const cmp = haystack[mid][COLUMN] - needle;
if (cmp === 0) {
found = true;
return mid;
}
if (cmp < 0) {
low = mid + 1;
}
else {
high = mid - 1;
}
}
found = false;
return low - 1;
}
function upperBound(haystack, needle, index) {
for (let i = index + 1; i < haystack.length; i++, index++) {
if (haystack[i][COLUMN] !== needle)
break;
}
return index;
}
function lowerBound(haystack, needle, index) {
for (let i = index - 1; i >= 0; i--, index--) {
if (haystack[i][COLUMN] !== needle)
break;
}
return index;
}
function memoizedState() {
return {
lastKey: -1,
lastNeedle: -1,
lastIndex: -1,
};
}
/**
* This overly complicated beast is just to record the last tested line/column and the resulting
* index, allowing us to skip a few tests if mappings are monotonically increasing.
*/
function memoizedBinarySearch(haystack, needle, state, key) {
const { lastKey, lastNeedle, lastIndex } = state;
let low = 0;
let high = haystack.length - 1;
if (key === lastKey) {
if (needle === lastNeedle) {
found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle;
return lastIndex;
}
if (needle >= lastNeedle) {
// lastIndex may be -1 if the previous needle was not found.
low = lastIndex === -1 ? 0 : lastIndex;
}
else {
high = lastIndex;
}
}
state.lastKey = key;
state.lastNeedle = needle;
return (state.lastIndex = binarySearch(haystack, needle, low, high));
}
// Rebuilds the original source files, with mappings that are ordered by source line/column instead
// of generated line/column.
function buildBySources(decoded, memos) {
const sources = memos.map(buildNullArray);
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
if (seg.length === 1)
continue;
const sourceIndex = seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
const originalSource = sources[sourceIndex];
const originalLine = (originalSource[sourceLine] || (originalSource[sourceLine] = []));
const memo = memos[sourceIndex];
// The binary search either found a match, or it found the left-index just before where the
// segment should go. Either way, we want to insert after that. And there may be multiple
// generated segments associated with an original location, so there may need to move several
// indexes before we find where we need to insert.
const index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine));
insert(originalLine, (memo.lastIndex = index + 1), [sourceColumn, i, seg[COLUMN]]);
}
}
return sources;
}
function insert(array, index, value) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
// Null arrays allow us to use ordered index keys without actually allocating contiguous memory like
// a real array. We use a null-prototype object to avoid prototype pollution and deoptimizations.
// Numeric properties on objects are magically sorted in ascending order by the engine regardless of
// the insertion order. So, by setting any numeric keys, even out of order, we'll get ascending
// order when iterating with for-in.
function buildNullArray() {
return { __proto__: null };
}
const AnyMap = function (map, mapUrl) {
const parsed = typeof map === 'string' ? JSON.parse(map) : map;
if (!('sections' in parsed))
return new TraceMap(parsed, mapUrl);
const mappings = [];
const sources = [];
const sourcesContent = [];
const names = [];
const { sections } = parsed;
let i = 0;
for (; i < sections.length - 1; i++) {
const no = sections[i + 1].offset;
addSection(sections[i], mapUrl, mappings, sources, sourcesContent, names, no.line, no.column);
}
if (sections.length > 0) {
addSection(sections[i], mapUrl, mappings, sources, sourcesContent, names, Infinity, Infinity);
}
const joined = {
version: 3,
file: parsed.file,
names,
sources,
sourcesContent,
mappings,
};
return presortedDecodedMap(joined);
};
function addSection(section, mapUrl, mappings, sources, sourcesContent, names, stopLine, stopColumn) {
const map = AnyMap(section.map, mapUrl);
const { line: lineOffset, column: columnOffset } = section.offset;
const sourcesOffset = sources.length;
const namesOffset = names.length;
const decoded = decodedMappings(map);
const { resolvedSources } = map;
append(sources, resolvedSources);
append(sourcesContent, map.sourcesContent || fillSourcesContent(resolvedSources.length));
append(names, map.names);
// If this section jumps forwards several lines, we need to add lines to the output mappings catch up.
for (let i = mappings.length; i <= lineOffset; i++)
mappings.push([]);
// We can only add so many lines before we step into the range that the next section's map
// controls. When we get to the last line, then we'll start checking the segments to see if
// they've crossed into the column range.
const stopI = stopLine - lineOffset;
const len = Math.min(decoded.length, stopI + 1);
for (let i = 0; i < len; i++) {
const line = decoded[i];
// On the 0th loop, the line will already exist due to a previous section, or the line catch up
// loop above.
const out = i === 0 ? mappings[lineOffset] : (mappings[lineOffset + i] = []);
// On the 0th loop, the section's column offset shifts us forward. On all other lines (since the
// map can be multiple lines), it doesn't.
const cOffset = i === 0 ? columnOffset : 0;
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const column = cOffset + seg[COLUMN];
// If this segment steps into the column range that the next section's map controls, we need
// to stop early.
if (i === stopI && column >= stopColumn)
break;
if (seg.length === 1) {
out.push([column]);
continue;
}
const sourcesIndex = sourcesOffset + seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
if (seg.length === 4) {
out.push([column, sourcesIndex, sourceLine, sourceColumn]);
continue;
}
out.push([column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX]]);
}
}
}
function append(arr, other) {
for (let i = 0; i < other.length; i++)
arr.push(other[i]);
}
// Sourcemaps don't need to have sourcesContent, and if they don't, we need to create an array of
// equal length to the sources. This is because the sources and sourcesContent are paired arrays,
// where `sourcesContent[i]` is the content of the `sources[i]` file. If we didn't, then joined
// sourcemap would desynchronize the sources/contents.
function fillSourcesContent(len) {
const sourcesContent = [];
for (let i = 0; i < len; i++)
sourcesContent[i] = null;
return sourcesContent;
}
const INVALID_ORIGINAL_MAPPING = Object.freeze({
source: null,
line: null,
column: null,
name: null,
});
const INVALID_GENERATED_MAPPING = Object.freeze({
line: null,
column: null,
});
const LINE_GTR_ZERO = '`line` must be greater than 0 (lines start at line 1)';
const COL_GTR_EQ_ZERO = '`column` must be greater than or equal to 0 (columns start at column 0)';
const LEAST_UPPER_BOUND = -1;
const GREATEST_LOWER_BOUND = 1;
/**
* Returns the encoded (VLQ string) form of the SourceMap's mappings field.
*/
let encodedMappings;
/**
* Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
*/
let decodedMappings;
/**
* A low-level API to find the segment associated with a generated line/column (think, from a
* stack trace). Line and column here are 0-based, unlike `originalPositionFor`.
*/
let traceSegment;
/**
* A higher-level API to find the source/line/column associated with a generated line/column
* (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in
* `source-map` library.
*/
let originalPositionFor;
/**
* Finds the source/line/column directly after the mapping returned by originalPositionFor, provided
* the found mapping is from the same source and line as the originalPositionFor mapping.
*
* Eg, in the code `let id = 1`, `originalPositionAfter` could find the mapping associated with `1`
* using the same needle that would return `id` when calling `originalPositionFor`.
*/
let generatedPositionFor;
/**
* Iterates each mapping in generated position order.
*/
let eachMapping;
/**
* A helper that skips sorting of the input map's mappings array, which can be expensive for larger
* maps.
*/
let presortedDecodedMap;
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
let decodedMap;
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
let encodedMap;
class TraceMap {
constructor(map, mapUrl) {
this._decodedMemo = memoizedState();
this._bySources = undefined;
this._bySourceMemos = undefined;
const isString = typeof map === 'string';
if (!isString && map.constructor === TraceMap)
return map;
const parsed = (isString ? JSON.parse(map) : map);
const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
this.version = version;
this.file = file;
this.names = names;
this.sourceRoot = sourceRoot;
this.sources = sources;
this.sourcesContent = sourcesContent;
if (sourceRoot || mapUrl) {
const from = resolve(sourceRoot || '', stripFilename(mapUrl));
this.resolvedSources = sources.map((s) => resolve(s || '', from));
}
else {
this.resolvedSources = sources.map((s) => s || '');
}
const { mappings } = parsed;
if (typeof mappings === 'string') {
this._encoded = mappings;
this._decoded = undefined;
}
else {
this._encoded = undefined;
this._decoded = maybeSort(mappings, isString);
}
}
}
(() => {
encodedMappings = (map) => {
var _a;
return ((_a = map._encoded) !== null && _a !== void 0 ? _a : (map._encoded = encode(map._decoded)));
};
decodedMappings = (map) => {
return (map._decoded || (map._decoded = decode(map._encoded)));
};
traceSegment = (map, line, column) => {
const decoded = decodedMappings(map);
// It's common for parent source maps to have pointers to lines that have no
// mapping (like a "//# sourceMappingURL=") at the end of the child file.
if (line >= decoded.length)
return null;
return traceSegmentInternal(decoded[line], map._decodedMemo, line, column, GREATEST_LOWER_BOUND);
};
originalPositionFor = (map, { line, column, bias }) => {
line--;
if (line < 0)
throw new Error(LINE_GTR_ZERO);
if (column < 0)
throw new Error(COL_GTR_EQ_ZERO);
const decoded = decodedMappings(map);
// It's common for parent source maps to have pointers to lines that have no
// mapping (like a "//# sourceMappingURL=") at the end of the child file.
if (line >= decoded.length)
return INVALID_ORIGINAL_MAPPING;
const segment = traceSegmentInternal(decoded[line], map._decodedMemo, line, column, bias || GREATEST_LOWER_BOUND);
if (segment == null)
return INVALID_ORIGINAL_MAPPING;
if (segment.length == 1)
return INVALID_ORIGINAL_MAPPING;
const { names, resolvedSources } = map;
return {
source: resolvedSources[segment[SOURCES_INDEX]],
line: segment[SOURCE_LINE] + 1,
column: segment[SOURCE_COLUMN],
name: segment.length === 5 ? names[segment[NAMES_INDEX]] : null,
};
};
generatedPositionFor = (map, { source, line, column, bias }) => {
line--;
if (line < 0)
throw new Error(LINE_GTR_ZERO);
if (column < 0)
throw new Error(COL_GTR_EQ_ZERO);
const { sources, resolvedSources } = map;
let sourceIndex = sources.indexOf(source);
if (sourceIndex === -1)
sourceIndex = resolvedSources.indexOf(source);
if (sourceIndex === -1)
return INVALID_GENERATED_MAPPING;
const generated = (map._bySources || (map._bySources = buildBySources(decodedMappings(map), (map._bySourceMemos = sources.map(memoizedState)))));
const memos = map._bySourceMemos;
const segments = generated[sourceIndex][line];
if (segments == null)
return INVALID_GENERATED_MAPPING;
const segment = traceSegmentInternal(segments, memos[sourceIndex], line, column, bias || GREATEST_LOWER_BOUND);
if (segment == null)
return INVALID_GENERATED_MAPPING;
return {
line: segment[REV_GENERATED_LINE] + 1,
column: segment[REV_GENERATED_COLUMN],
};
};
eachMapping = (map, cb) => {
const decoded = decodedMappings(map);
const { names, resolvedSources } = map;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generatedLine = i + 1;
const generatedColumn = seg[0];
let source = null;
let originalLine = null;
let originalColumn = null;
let name = null;
if (seg.length !== 1) {
source = resolvedSources[seg[1]];
originalLine = seg[2] + 1;
originalColumn = seg[3];
}
if (seg.length === 5)
name = names[seg[4]];
cb({
generatedLine,
generatedColumn,
source,
originalLine,
originalColumn,
name,
});
}
}
};
presortedDecodedMap = (map, mapUrl) => {
const clone = Object.assign({}, map);
clone.mappings = [];
const tracer = new TraceMap(clone, mapUrl);
tracer._decoded = map.mappings;
return tracer;
};
decodedMap = (map) => {
return {
version: 3,
file: map.file,
names: map.names,
sourceRoot: map.sourceRoot,
sources: map.sources,
sourcesContent: map.sourcesContent,
mappings: decodedMappings(map),
};
};
encodedMap = (map) => {
return {
version: 3,
file: map.file,
names: map.names,
sourceRoot: map.sourceRoot,
sources: map.sources,
sourcesContent: map.sourcesContent,
mappings: encodedMappings(map),
};
};
})();
function traceSegmentInternal(segments, memo, line, column, bias) {
let index = memoizedBinarySearch(segments, column, memo, line);
if (found) {
index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
}
else if (bias === LEAST_UPPER_BOUND)
index++;
if (index === -1 || index === segments.length)
return null;
return segments[index];
}
export { AnyMap, GREATEST_LOWER_BOUND, LEAST_UPPER_BOUND, TraceMap, decodedMap, decodedMappings, eachMapping, encodedMap, encodedMappings, generatedPositionFor, originalPositionFor, presortedDecodedMap, traceSegment };
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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@jridgewell/sourcemap-codec'), require('@jridgewell/resolve-uri')) :
typeof define === 'function' && define.amd ? define(['exports', '@jridgewell/sourcemap-codec', '@jridgewell/resolve-uri'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.traceMapping = {}, global.sourcemapCodec, global.resolveURI));
})(this, (function (exports, sourcemapCodec, resolveUri) { 'use strict';
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var resolveUri__default = /*#__PURE__*/_interopDefaultLegacy(resolveUri);
function resolve(input, base) {
// The base is always treated as a directory, if it's not empty.
// https://github.com/mozilla/source-map/blob/8cb3ee57/lib/util.js#L327
// https://github.com/chromium/chromium/blob/da4adbb3/third_party/blink/renderer/devtools/front_end/sdk/SourceMap.js#L400-L401
if (base && !base.endsWith('/'))
base += '/';
return resolveUri__default["default"](input, base);
}
/**
* Removes everything after the last "/", but leaves the slash.
*/
function stripFilename(path) {
if (!path)
return '';
const index = path.lastIndexOf('/');
return path.slice(0, index + 1);
}
const COLUMN = 0;
const SOURCES_INDEX = 1;
const SOURCE_LINE = 2;
const SOURCE_COLUMN = 3;
const NAMES_INDEX = 4;
const REV_GENERATED_LINE = 1;
const REV_GENERATED_COLUMN = 2;
function maybeSort(mappings, owned) {
const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
if (unsortedIndex === mappings.length)
return mappings;
// If we own the array (meaning we parsed it from JSON), then we're free to directly mutate it. If
// not, we do not want to modify the consumer's input array.
if (!owned)
mappings = mappings.slice();
for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
mappings[i] = sortSegments(mappings[i], owned);
}
return mappings;
}
function nextUnsortedSegmentLine(mappings, start) {
for (let i = start; i < mappings.length; i++) {
if (!isSorted(mappings[i]))
return i;
}
return mappings.length;
}
function isSorted(line) {
for (let j = 1; j < line.length; j++) {
if (line[j][COLUMN] < line[j - 1][COLUMN]) {
return false;
}
}
return true;
}
function sortSegments(line, owned) {
if (!owned)
line = line.slice();
return line.sort(sortComparator);
}
function sortComparator(a, b) {
return a[COLUMN] - b[COLUMN];
}
let found = false;
/**
* A binary search implementation that returns the index if a match is found.
* If no match is found, then the left-index (the index associated with the item that comes just
* before the desired index) is returned. To maintain proper sort order, a splice would happen at
* the next index:
*
* ```js
* const array = [1, 3];
* const needle = 2;
* const index = binarySearch(array, needle, (item, needle) => item - needle);
*
* assert.equal(index, 0);
* array.splice(index + 1, 0, needle);
* assert.deepEqual(array, [1, 2, 3]);
* ```
*/
function binarySearch(haystack, needle, low, high) {
while (low <= high) {
const mid = low + ((high - low) >> 1);
const cmp = haystack[mid][COLUMN] - needle;
if (cmp === 0) {
found = true;
return mid;
}
if (cmp < 0) {
low = mid + 1;
}
else {
high = mid - 1;
}
}
found = false;
return low - 1;
}
function upperBound(haystack, needle, index) {
for (let i = index + 1; i < haystack.length; i++, index++) {
if (haystack[i][COLUMN] !== needle)
break;
}
return index;
}
function lowerBound(haystack, needle, index) {
for (let i = index - 1; i >= 0; i--, index--) {
if (haystack[i][COLUMN] !== needle)
break;
}
return index;
}
function memoizedState() {
return {
lastKey: -1,
lastNeedle: -1,
lastIndex: -1,
};
}
/**
* This overly complicated beast is just to record the last tested line/column and the resulting
* index, allowing us to skip a few tests if mappings are monotonically increasing.
*/
function memoizedBinarySearch(haystack, needle, state, key) {
const { lastKey, lastNeedle, lastIndex } = state;
let low = 0;
let high = haystack.length - 1;
if (key === lastKey) {
if (needle === lastNeedle) {
found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle;
return lastIndex;
}
if (needle >= lastNeedle) {
// lastIndex may be -1 if the previous needle was not found.
low = lastIndex === -1 ? 0 : lastIndex;
}
else {
high = lastIndex;
}
}
state.lastKey = key;
state.lastNeedle = needle;
return (state.lastIndex = binarySearch(haystack, needle, low, high));
}
// Rebuilds the original source files, with mappings that are ordered by source line/column instead
// of generated line/column.
function buildBySources(decoded, memos) {
const sources = memos.map(buildNullArray);
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
if (seg.length === 1)
continue;
const sourceIndex = seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
const originalSource = sources[sourceIndex];
const originalLine = (originalSource[sourceLine] || (originalSource[sourceLine] = []));
const memo = memos[sourceIndex];
// The binary search either found a match, or it found the left-index just before where the
// segment should go. Either way, we want to insert after that. And there may be multiple
// generated segments associated with an original location, so there may need to move several
// indexes before we find where we need to insert.
const index = upperBound(originalLine, sourceColumn, memoizedBinarySearch(originalLine, sourceColumn, memo, sourceLine));
insert(originalLine, (memo.lastIndex = index + 1), [sourceColumn, i, seg[COLUMN]]);
}
}
return sources;
}
function insert(array, index, value) {
for (let i = array.length; i > index; i--) {
array[i] = array[i - 1];
}
array[index] = value;
}
// Null arrays allow us to use ordered index keys without actually allocating contiguous memory like
// a real array. We use a null-prototype object to avoid prototype pollution and deoptimizations.
// Numeric properties on objects are magically sorted in ascending order by the engine regardless of
// the insertion order. So, by setting any numeric keys, even out of order, we'll get ascending
// order when iterating with for-in.
function buildNullArray() {
return { __proto__: null };
}
const AnyMap = function (map, mapUrl) {
const parsed = typeof map === 'string' ? JSON.parse(map) : map;
if (!('sections' in parsed))
return new TraceMap(parsed, mapUrl);
const mappings = [];
const sources = [];
const sourcesContent = [];
const names = [];
const { sections } = parsed;
let i = 0;
for (; i < sections.length - 1; i++) {
const no = sections[i + 1].offset;
addSection(sections[i], mapUrl, mappings, sources, sourcesContent, names, no.line, no.column);
}
if (sections.length > 0) {
addSection(sections[i], mapUrl, mappings, sources, sourcesContent, names, Infinity, Infinity);
}
const joined = {
version: 3,
file: parsed.file,
names,
sources,
sourcesContent,
mappings,
};
return exports.presortedDecodedMap(joined);
};
function addSection(section, mapUrl, mappings, sources, sourcesContent, names, stopLine, stopColumn) {
const map = AnyMap(section.map, mapUrl);
const { line: lineOffset, column: columnOffset } = section.offset;
const sourcesOffset = sources.length;
const namesOffset = names.length;
const decoded = exports.decodedMappings(map);
const { resolvedSources } = map;
append(sources, resolvedSources);
append(sourcesContent, map.sourcesContent || fillSourcesContent(resolvedSources.length));
append(names, map.names);
// If this section jumps forwards several lines, we need to add lines to the output mappings catch up.
for (let i = mappings.length; i <= lineOffset; i++)
mappings.push([]);
// We can only add so many lines before we step into the range that the next section's map
// controls. When we get to the last line, then we'll start checking the segments to see if
// they've crossed into the column range.
const stopI = stopLine - lineOffset;
const len = Math.min(decoded.length, stopI + 1);
for (let i = 0; i < len; i++) {
const line = decoded[i];
// On the 0th loop, the line will already exist due to a previous section, or the line catch up
// loop above.
const out = i === 0 ? mappings[lineOffset] : (mappings[lineOffset + i] = []);
// On the 0th loop, the section's column offset shifts us forward. On all other lines (since the
// map can be multiple lines), it doesn't.
const cOffset = i === 0 ? columnOffset : 0;
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const column = cOffset + seg[COLUMN];
// If this segment steps into the column range that the next section's map controls, we need
// to stop early.
if (i === stopI && column >= stopColumn)
break;
if (seg.length === 1) {
out.push([column]);
continue;
}
const sourcesIndex = sourcesOffset + seg[SOURCES_INDEX];
const sourceLine = seg[SOURCE_LINE];
const sourceColumn = seg[SOURCE_COLUMN];
if (seg.length === 4) {
out.push([column, sourcesIndex, sourceLine, sourceColumn]);
continue;
}
out.push([column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX]]);
}
}
}
function append(arr, other) {
for (let i = 0; i < other.length; i++)
arr.push(other[i]);
}
// Sourcemaps don't need to have sourcesContent, and if they don't, we need to create an array of
// equal length to the sources. This is because the sources and sourcesContent are paired arrays,
// where `sourcesContent[i]` is the content of the `sources[i]` file. If we didn't, then joined
// sourcemap would desynchronize the sources/contents.
function fillSourcesContent(len) {
const sourcesContent = [];
for (let i = 0; i < len; i++)
sourcesContent[i] = null;
return sourcesContent;
}
const INVALID_ORIGINAL_MAPPING = Object.freeze({
source: null,
line: null,
column: null,
name: null,
});
const INVALID_GENERATED_MAPPING = Object.freeze({
line: null,
column: null,
});
const LINE_GTR_ZERO = '`line` must be greater than 0 (lines start at line 1)';
const COL_GTR_EQ_ZERO = '`column` must be greater than or equal to 0 (columns start at column 0)';
const LEAST_UPPER_BOUND = -1;
const GREATEST_LOWER_BOUND = 1;
/**
* Returns the encoded (VLQ string) form of the SourceMap's mappings field.
*/
exports.encodedMappings = void 0;
/**
* Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
*/
exports.decodedMappings = void 0;
/**
* A low-level API to find the segment associated with a generated line/column (think, from a
* stack trace). Line and column here are 0-based, unlike `originalPositionFor`.
*/
exports.traceSegment = void 0;
/**
* A higher-level API to find the source/line/column associated with a generated line/column
* (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in
* `source-map` library.
*/
exports.originalPositionFor = void 0;
/**
* Finds the source/line/column directly after the mapping returned by originalPositionFor, provided
* the found mapping is from the same source and line as the originalPositionFor mapping.
*
* Eg, in the code `let id = 1`, `originalPositionAfter` could find the mapping associated with `1`
* using the same needle that would return `id` when calling `originalPositionFor`.
*/
exports.generatedPositionFor = void 0;
/**
* Iterates each mapping in generated position order.
*/
exports.eachMapping = void 0;
/**
* A helper that skips sorting of the input map's mappings array, which can be expensive for larger
* maps.
*/
exports.presortedDecodedMap = void 0;
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
exports.decodedMap = void 0;
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
exports.encodedMap = void 0;
class TraceMap {
constructor(map, mapUrl) {
this._decodedMemo = memoizedState();
this._bySources = undefined;
this._bySourceMemos = undefined;
const isString = typeof map === 'string';
if (!isString && map.constructor === TraceMap)
return map;
const parsed = (isString ? JSON.parse(map) : map);
const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
this.version = version;
this.file = file;
this.names = names;
this.sourceRoot = sourceRoot;
this.sources = sources;
this.sourcesContent = sourcesContent;
if (sourceRoot || mapUrl) {
const from = resolve(sourceRoot || '', stripFilename(mapUrl));
this.resolvedSources = sources.map((s) => resolve(s || '', from));
}
else {
this.resolvedSources = sources.map((s) => s || '');
}
const { mappings } = parsed;
if (typeof mappings === 'string') {
this._encoded = mappings;
this._decoded = undefined;
}
else {
this._encoded = undefined;
this._decoded = maybeSort(mappings, isString);
}
}
}
(() => {
exports.encodedMappings = (map) => {
var _a;
return ((_a = map._encoded) !== null && _a !== void 0 ? _a : (map._encoded = sourcemapCodec.encode(map._decoded)));
};
exports.decodedMappings = (map) => {
return (map._decoded || (map._decoded = sourcemapCodec.decode(map._encoded)));
};
exports.traceSegment = (map, line, column) => {
const decoded = exports.decodedMappings(map);
// It's common for parent source maps to have pointers to lines that have no
// mapping (like a "//# sourceMappingURL=") at the end of the child file.
if (line >= decoded.length)
return null;
return traceSegmentInternal(decoded[line], map._decodedMemo, line, column, GREATEST_LOWER_BOUND);
};
exports.originalPositionFor = (map, { line, column, bias }) => {
line--;
if (line < 0)
throw new Error(LINE_GTR_ZERO);
if (column < 0)
throw new Error(COL_GTR_EQ_ZERO);
const decoded = exports.decodedMappings(map);
// It's common for parent source maps to have pointers to lines that have no
// mapping (like a "//# sourceMappingURL=") at the end of the child file.
if (line >= decoded.length)
return INVALID_ORIGINAL_MAPPING;
const segment = traceSegmentInternal(decoded[line], map._decodedMemo, line, column, bias || GREATEST_LOWER_BOUND);
if (segment == null)
return INVALID_ORIGINAL_MAPPING;
if (segment.length == 1)
return INVALID_ORIGINAL_MAPPING;
const { names, resolvedSources } = map;
return {
source: resolvedSources[segment[SOURCES_INDEX]],
line: segment[SOURCE_LINE] + 1,
column: segment[SOURCE_COLUMN],
name: segment.length === 5 ? names[segment[NAMES_INDEX]] : null,
};
};
exports.generatedPositionFor = (map, { source, line, column, bias }) => {
line--;
if (line < 0)
throw new Error(LINE_GTR_ZERO);
if (column < 0)
throw new Error(COL_GTR_EQ_ZERO);
const { sources, resolvedSources } = map;
let sourceIndex = sources.indexOf(source);
if (sourceIndex === -1)
sourceIndex = resolvedSources.indexOf(source);
if (sourceIndex === -1)
return INVALID_GENERATED_MAPPING;
const generated = (map._bySources || (map._bySources = buildBySources(exports.decodedMappings(map), (map._bySourceMemos = sources.map(memoizedState)))));
const memos = map._bySourceMemos;
const segments = generated[sourceIndex][line];
if (segments == null)
return INVALID_GENERATED_MAPPING;
const segment = traceSegmentInternal(segments, memos[sourceIndex], line, column, bias || GREATEST_LOWER_BOUND);
if (segment == null)
return INVALID_GENERATED_MAPPING;
return {
line: segment[REV_GENERATED_LINE] + 1,
column: segment[REV_GENERATED_COLUMN],
};
};
exports.eachMapping = (map, cb) => {
const decoded = exports.decodedMappings(map);
const { names, resolvedSources } = map;
for (let i = 0; i < decoded.length; i++) {
const line = decoded[i];
for (let j = 0; j < line.length; j++) {
const seg = line[j];
const generatedLine = i + 1;
const generatedColumn = seg[0];
let source = null;
let originalLine = null;
let originalColumn = null;
let name = null;
if (seg.length !== 1) {
source = resolvedSources[seg[1]];
originalLine = seg[2] + 1;
originalColumn = seg[3];
}
if (seg.length === 5)
name = names[seg[4]];
cb({
generatedLine,
generatedColumn,
source,
originalLine,
originalColumn,
name,
});
}
}
};
exports.presortedDecodedMap = (map, mapUrl) => {
const clone = Object.assign({}, map);
clone.mappings = [];
const tracer = new TraceMap(clone, mapUrl);
tracer._decoded = map.mappings;
return tracer;
};
exports.decodedMap = (map) => {
return {
version: 3,
file: map.file,
names: map.names,
sourceRoot: map.sourceRoot,
sources: map.sources,
sourcesContent: map.sourcesContent,
mappings: exports.decodedMappings(map),
};
};
exports.encodedMap = (map) => {
return {
version: 3,
file: map.file,
names: map.names,
sourceRoot: map.sourceRoot,
sources: map.sources,
sourcesContent: map.sourcesContent,
mappings: exports.encodedMappings(map),
};
};
})();
function traceSegmentInternal(segments, memo, line, column, bias) {
let index = memoizedBinarySearch(segments, column, memo, line);
if (found) {
index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
}
else if (bias === LEAST_UPPER_BOUND)
index++;
if (index === -1 || index === segments.length)
return null;
return segments[index];
}
exports.AnyMap = AnyMap;
exports.GREATEST_LOWER_BOUND = GREATEST_LOWER_BOUND;
exports.LEAST_UPPER_BOUND = LEAST_UPPER_BOUND;
exports.TraceMap = TraceMap;
Object.defineProperty(exports, '__esModule', { value: true });
}));
//# sourceMappingURL=trace-mapping.umd.js.map

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import { TraceMap } from './trace-mapping';
import type { SectionedSourceMapInput } from './types';
declare type AnyMap = {
new (map: SectionedSourceMapInput, mapUrl?: string | null): TraceMap;
(map: SectionedSourceMapInput, mapUrl?: string | null): TraceMap;
};
export declare const AnyMap: AnyMap;
export {};

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import type { SourceMapSegment, ReverseSegment } from './sourcemap-segment';
export declare type MemoState = {
lastKey: number;
lastNeedle: number;
lastIndex: number;
};
export declare let found: boolean;
/**
* A binary search implementation that returns the index if a match is found.
* If no match is found, then the left-index (the index associated with the item that comes just
* before the desired index) is returned. To maintain proper sort order, a splice would happen at
* the next index:
*
* ```js
* const array = [1, 3];
* const needle = 2;
* const index = binarySearch(array, needle, (item, needle) => item - needle);
*
* assert.equal(index, 0);
* array.splice(index + 1, 0, needle);
* assert.deepEqual(array, [1, 2, 3]);
* ```
*/
export declare function binarySearch(haystack: SourceMapSegment[] | ReverseSegment[], needle: number, low: number, high: number): number;
export declare function upperBound(haystack: SourceMapSegment[] | ReverseSegment[], needle: number, index: number): number;
export declare function lowerBound(haystack: SourceMapSegment[] | ReverseSegment[], needle: number, index: number): number;
export declare function memoizedState(): MemoState;
/**
* This overly complicated beast is just to record the last tested line/column and the resulting
* index, allowing us to skip a few tests if mappings are monotonically increasing.
*/
export declare function memoizedBinarySearch(haystack: SourceMapSegment[] | ReverseSegment[], needle: number, state: MemoState, key: number): number;

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import type { ReverseSegment, SourceMapSegment } from './sourcemap-segment';
import type { MemoState } from './binary-search';
export declare type Source = {
__proto__: null;
[line: number]: Exclude<ReverseSegment, [number]>[];
};
export default function buildBySources(decoded: readonly SourceMapSegment[][], memos: MemoState[]): Source[];

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export default function resolve(input: string, base: string | undefined): string;

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import type { SourceMapSegment } from './sourcemap-segment';
export default function maybeSort(mappings: SourceMapSegment[][], owned: boolean): SourceMapSegment[][];

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declare type GeneratedColumn = number;
declare type SourcesIndex = number;
declare type SourceLine = number;
declare type SourceColumn = number;
declare type NamesIndex = number;
declare type GeneratedLine = number;
export declare type SourceMapSegment = [GeneratedColumn] | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn] | [GeneratedColumn, SourcesIndex, SourceLine, SourceColumn, NamesIndex];
export declare type ReverseSegment = [SourceColumn, GeneratedLine, GeneratedColumn];
export declare const COLUMN = 0;
export declare const SOURCES_INDEX = 1;
export declare const SOURCE_LINE = 2;
export declare const SOURCE_COLUMN = 3;
export declare const NAMES_INDEX = 4;
export declare const REV_GENERATED_LINE = 1;
export declare const REV_GENERATED_COLUMN = 2;
export {};

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/**
* Removes everything after the last "/", but leaves the slash.
*/
export default function stripFilename(path: string | undefined | null): string;

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import type { SourceMapSegment } from './sourcemap-segment';
import type { SourceMapV3, DecodedSourceMap, EncodedSourceMap, InvalidOriginalMapping, OriginalMapping, InvalidGeneratedMapping, GeneratedMapping, SourceMapInput, Needle, SourceNeedle, SourceMap, EachMapping } from './types';
export type { SourceMapSegment } from './sourcemap-segment';
export type { SourceMapInput, SectionedSourceMapInput, DecodedSourceMap, EncodedSourceMap, SectionedSourceMap, InvalidOriginalMapping, OriginalMapping as Mapping, OriginalMapping, InvalidGeneratedMapping, GeneratedMapping, EachMapping, } from './types';
export declare const LEAST_UPPER_BOUND = -1;
export declare const GREATEST_LOWER_BOUND = 1;
/**
* Returns the encoded (VLQ string) form of the SourceMap's mappings field.
*/
export declare let encodedMappings: (map: TraceMap) => EncodedSourceMap['mappings'];
/**
* Returns the decoded (array of lines of segments) form of the SourceMap's mappings field.
*/
export declare let decodedMappings: (map: TraceMap) => Readonly<DecodedSourceMap['mappings']>;
/**
* A low-level API to find the segment associated with a generated line/column (think, from a
* stack trace). Line and column here are 0-based, unlike `originalPositionFor`.
*/
export declare let traceSegment: (map: TraceMap, line: number, column: number) => Readonly<SourceMapSegment> | null;
/**
* A higher-level API to find the source/line/column associated with a generated line/column
* (think, from a stack trace). Line is 1-based, but column is 0-based, due to legacy behavior in
* `source-map` library.
*/
export declare let originalPositionFor: (map: TraceMap, needle: Needle) => OriginalMapping | InvalidOriginalMapping;
/**
* Finds the source/line/column directly after the mapping returned by originalPositionFor, provided
* the found mapping is from the same source and line as the originalPositionFor mapping.
*
* Eg, in the code `let id = 1`, `originalPositionAfter` could find the mapping associated with `1`
* using the same needle that would return `id` when calling `originalPositionFor`.
*/
export declare let generatedPositionFor: (map: TraceMap, needle: SourceNeedle) => GeneratedMapping | InvalidGeneratedMapping;
/**
* Iterates each mapping in generated position order.
*/
export declare let eachMapping: (map: TraceMap, cb: (mapping: EachMapping) => void) => void;
/**
* A helper that skips sorting of the input map's mappings array, which can be expensive for larger
* maps.
*/
export declare let presortedDecodedMap: (map: DecodedSourceMap, mapUrl?: string) => TraceMap;
/**
* Returns a sourcemap object (with decoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export declare let decodedMap: (map: TraceMap) => Omit<DecodedSourceMap, 'mappings'> & {
mappings: readonly SourceMapSegment[][];
};
/**
* Returns a sourcemap object (with encoded mappings) suitable for passing to a library that expects
* a sourcemap, or to JSON.stringify.
*/
export declare let encodedMap: (map: TraceMap) => EncodedSourceMap;
export { AnyMap } from './any-map';
export declare class TraceMap implements SourceMap {
version: SourceMapV3['version'];
file: SourceMapV3['file'];
names: SourceMapV3['names'];
sourceRoot: SourceMapV3['sourceRoot'];
sources: SourceMapV3['sources'];
sourcesContent: SourceMapV3['sourcesContent'];
resolvedSources: string[];
private _encoded;
private _decoded;
private _decodedMemo;
private _bySources;
private _bySourceMemos;
constructor(map: SourceMapInput, mapUrl?: string | null);
}

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import type { SourceMapSegment } from './sourcemap-segment';
import type { TraceMap } from './trace-mapping';
export interface SourceMapV3 {
file?: string | null;
names: string[];
sourceRoot?: string;
sources: (string | null)[];
sourcesContent?: (string | null)[];
version: 3;
}
export interface EncodedSourceMap extends SourceMapV3 {
mappings: string;
}
export interface DecodedSourceMap extends SourceMapV3 {
mappings: SourceMapSegment[][];
}
export interface Section {
offset: {
line: number;
column: number;
};
map: EncodedSourceMap | DecodedSourceMap | SectionedSourceMap;
}
export interface SectionedSourceMap {
file?: string | null;
sections: Section[];
version: 3;
}
export declare type OriginalMapping = {
source: string | null;
line: number;
column: number;
name: string | null;
};
export declare type InvalidOriginalMapping = {
source: null;
line: null;
column: null;
name: null;
};
export declare type GeneratedMapping = {
line: number;
column: number;
};
export declare type InvalidGeneratedMapping = {
line: null;
column: null;
};
export declare type SourceMapInput = string | EncodedSourceMap | DecodedSourceMap | TraceMap;
export declare type SectionedSourceMapInput = SourceMapInput | SectionedSourceMap;
export declare type Needle = {
line: number;
column: number;
bias?: 1 | -1;
};
export declare type SourceNeedle = {
source: string;
line: number;
column: number;
bias?: 1 | -1;
};
export declare type EachMapping = {
generatedLine: number;
generatedColumn: number;
source: null;
originalLine: null;
originalColumn: null;
name: null;
} | {
generatedLine: number;
generatedColumn: number;
source: string | null;
originalLine: number;
originalColumn: number;
name: string | null;
};
export declare abstract class SourceMap {
version: SourceMapV3['version'];
file: SourceMapV3['file'];
names: SourceMapV3['names'];
sourceRoot: SourceMapV3['sourceRoot'];
sources: SourceMapV3['sources'];
sourcesContent: SourceMapV3['sourcesContent'];
resolvedSources: SourceMapV3['sources'];
}

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node_modules/@jridgewell/trace-mapping/package.json generated vendored Normal file
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{
"name": "@jridgewell/trace-mapping",
"version": "0.3.9",
"description": "Trace the original position through a source map",
"keywords": [
"source",
"map"
],
"main": "dist/trace-mapping.umd.js",
"module": "dist/trace-mapping.mjs",
"typings": "dist/types/trace-mapping.d.ts",
"files": [
"dist"
],
"exports": {
".": {
"browser": "./dist/trace-mapping.umd.js",
"require": "./dist/trace-mapping.umd.js",
"import": "./dist/trace-mapping.mjs"
},
"./package.json": "./package.json"
},
"author": "Justin Ridgewell <justin@ridgewell.name>",
"repository": {
"type": "git",
"url": "git+https://github.com/jridgewell/trace-mapping.git"
},
"license": "MIT",
"scripts": {
"benchmark": "run-s build:rollup benchmark:*",
"benchmark:install": "cd benchmark && npm install",
"benchmark:only": "node benchmark/index.mjs",
"build": "run-s -n build:*",
"build:rollup": "rollup -c rollup.config.js",
"build:ts": "tsc --project tsconfig.build.json",
"lint": "run-s -n lint:*",
"lint:prettier": "npm run test:lint:prettier -- --write",
"lint:ts": "npm run test:lint:ts -- --fix",
"prebuild": "rm -rf dist",
"prepublishOnly": "npm run preversion",
"preversion": "run-s test build",
"test": "run-s -n test:lint test:only",
"test:debug": "ava debug",
"test:lint": "run-s -n test:lint:*",
"test:lint:prettier": "prettier --check '{src,test}/**/*.ts' '**/*.md'",
"test:lint:ts": "eslint '{src,test}/**/*.ts'",
"test:only": "c8 ava",
"test:watch": "ava --watch"
},
"devDependencies": {
"@rollup/plugin-typescript": "8.3.0",
"@typescript-eslint/eslint-plugin": "5.10.0",
"@typescript-eslint/parser": "5.10.0",
"ava": "4.0.1",
"benchmark": "2.1.4",
"c8": "7.11.0",
"esbuild": "0.14.14",
"esbuild-node-loader": "0.6.4",
"eslint": "8.7.0",
"eslint-config-prettier": "8.3.0",
"npm-run-all": "4.1.5",
"prettier": "2.5.1",
"rollup": "2.64.0",
"typescript": "4.5.4"
},
"dependencies": {
"@jridgewell/resolve-uri": "^3.0.3",
"@jridgewell/sourcemap-codec": "^1.4.10"
}
}

41
node_modules/@nodable/entities/README.md generated vendored Normal file
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# @nodable/entities
Fast, zero-dependency XML/HTML entity encoder and decoder for Node.js.
## Install
```bash
npm install @nodable/entities
```
## Quick start
```js
import { EntityEncoder, EntityDecoder, ALL_ENTITIES } from '@nodable/entities';
// Encode: plain text → entity references
const enc = new EntityEncoder();
enc.encode('Hello © 2024 & <stuff>');
// → 'Hello &copy; 2024 &amp; &lt;stuff&gt;'
// Decode: entity references → plain text
const dec = new EntityDecoder({ namedEntities: ALL_ENTITIES });
dec.decode('Hello &copy; 2024 &amp; &lt;stuff&gt;');
// → 'Hello © 2024 & <stuff>'
```
## Performance
| | encode | decode |
|---|---|---|
| `entities` (npm) | 3.65 M req/s | 1.76 M req/s |
| `@nodable/entities` | 3.33 M req/s | **5.19 M req/s** |
## Documentation
- [EntityEncoder](docs/EntityEncoder.md) — options, API, recipes
- [EntityDecoder](docs/EntityDecoder.md) — options, API, security limits, entity sets
## License
MIT

54
node_modules/@nodable/entities/package.json generated vendored Normal file
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{
"name": "@nodable/entities",
"version": "2.1.0",
"description": "Entity parser for XML, HTML, External entites with security and NCR control",
"main": "./src/index.js",
"type": "module",
"sideEffects": false,
"types": "./src/index.d.ts",
"scripts": {
"test": "node --experimental-vm-modules node_modules/.bin/jest",
"test:watch": "node --experimental-vm-modules node_modules/.bin/jest --watch",
"test:coverage": "node --experimental-vm-modules node_modules/.bin/jest --coverage",
"lint": "eslint src/ test/"
},
"files": [
"src",
"README.md"
],
"repository": {
"type": "git",
"url": "git+https://github.com/nodable/val-parsers.git"
},
"keywords": [
"fast",
"xml",
"html",
"entity",
"encode",
"decode",
"ncr",
"security",
"performance"
],
"author": "Amit Gupta (https://solothought.com)",
"license": "MIT",
"publishConfig": {
"access": "public"
},
"devDependencies": {
"jest": "^29.7.0"
},
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/nodable"
}
],
"jest": {
"testMatch": [
"**/?(*.)+(spec|test).[jt]s?(x)",
"**/*_spec.[jt]s?(x)"
]
}
}

543
node_modules/@nodable/entities/src/EntityDecoder.js generated vendored Normal file
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// ---------------------------------------------------------------------------
// Built-in named entity map (name → replacement string)
// No regex, no {regex,val} objects — just flat key/value pairs.
// ---------------------------------------------------------------------------
import { XML as DEFAULT_XML_ENTITIES } from "./entities.js"
// ---------------------------------------------------------------------------
// Helpers
// ---------------------------------------------------------------------------
const SPECIAL_CHARS = new Set('!?\\\\/[]$%{}^&*()<>|+');
/**
* Validate that an entity name contains no dangerous characters.
* @param {string} name
* @returns {string} the name, unchanged
* @throws {Error} on invalid characters
*/
function validateEntityName(name) {
if (name[0] === '#') {
throw new Error(`[EntityReplacer] Invalid character '#' in entity name: "${name}"`);
}
for (const ch of name) {
if (SPECIAL_CHARS.has(ch)) {
throw new Error(`[EntityReplacer] Invalid character '${ch}' in entity name: "${name}"`);
}
}
return name;
}
/**
* Merge one or more entity maps into a flat namestring map.
* Accepts either:
* - plain string values: { amp: '&' }
* - legacy {regex,val} / {regx,val}: { lt: { regex: /.../, val: '<' } }
*
* Values containing '&' are skipped (recursive expansion risk).
*
* @param {...object} maps
* @returns {Record<string, string>}
*/
function mergeEntityMaps(...maps) {
const out = Object.create(null);
for (const map of maps) {
if (!map) continue;
for (const key of Object.keys(map)) {
const raw = map[key];
if (typeof raw === 'string') {
out[key] = raw;
} else if (raw && typeof raw === 'object' && raw.val !== undefined) {
// Legacy {regex,val} or {regx,val} — extract the string val only
const val = raw.val;
if (typeof val === 'string') {
out[key] = val;
}
// function vals are not supported in the scanner — skip
}
}
}
return out;
}
// ---------------------------------------------------------------------------
// applyLimitsTo helpers
// ---------------------------------------------------------------------------
const LIMIT_TIER_EXTERNAL = 'external'; // input/runtime + persistent external maps
const LIMIT_TIER_BASE = 'base'; // DEFAULT_XML_ENTITIES + namedEntities (system) maps
const LIMIT_TIER_ALL = 'all'; // every entity regardless of tier
/**
* Resolve `applyLimitsTo` option into a normalised Set of tier strings.
* Accepted values: 'external' | 'base' | 'all' | string[]
* Default: 'external' (only untrusted injected entities are counted).
* @param {string|string[]|undefined} raw
* @returns {Set<string>}
*/
function parseLimitTiers(raw) {
if (!raw || raw === LIMIT_TIER_EXTERNAL) return new Set([LIMIT_TIER_EXTERNAL]);
if (raw === LIMIT_TIER_ALL) return new Set([LIMIT_TIER_ALL]);
if (raw === LIMIT_TIER_BASE) return new Set([LIMIT_TIER_BASE]);
if (Array.isArray(raw)) return new Set(raw);
return new Set([LIMIT_TIER_EXTERNAL]); // safe default for unrecognised values
}
// ---------------------------------------------------------------------------
// NCR (Numeric Character Reference) classification
// ---------------------------------------------------------------------------
// Severity order — higher number = stricter action.
// Used to enforce minimum action levels for specific codepoint ranges.
const NCR_LEVEL = Object.freeze({ allow: 0, leave: 1, remove: 2, throw: 3 });
// XML 1.0 §2.2: allowed chars are #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
// Restricted C0: U+0001U+001F excluding U+0009, U+000A, U+000D
const XML10_ALLOWED_C0 = new Set([0x09, 0x0A, 0x0D]);
/**
* Parse the `ncr` constructor option into flat, hot-path-friendly fields.
* @param {object|undefined} ncr
* @returns {{ xmlVersion: number, onLevel: number, nullLevel: number }}
*/
function parseNCRConfig(ncr) {
if (!ncr) {
return { xmlVersion: 1.0, onLevel: NCR_LEVEL.allow, nullLevel: NCR_LEVEL.remove };
}
const xmlVersion = ncr.xmlVersion === 1.1 ? 1.1 : 1.0;
const onLevel = NCR_LEVEL[ncr.onNCR] ?? NCR_LEVEL.allow;
const nullLevel = NCR_LEVEL[ncr.nullNCR] ?? NCR_LEVEL.remove;
// 'allow' is not meaningful for null — clamp to at least 'remove'
const clampedNull = Math.max(nullLevel, NCR_LEVEL.remove);
return { xmlVersion, onLevel, nullLevel: clampedNull };
}
// ---------------------------------------------------------------------------
// EntityReplacer
// ---------------------------------------------------------------------------
/**
* Single-pass, zero-regex entity replacer for XML/HTML content.
*
* Algorithm: scan the string once for '&', read to ';', resolve via map
* or direct codepoint conversion, build output chunks, join once at the end.
*
* Entity lookup priority (highest lowest):
* 1. input / runtime (DOCTYPE entities for current document)
* 2. persistent external (survive across documents)
* 3. base named map (DEFAULT_XML_ENTITIES + user-supplied namedEntities)
*
* Both input and external resolve as the 'external' tier for limit purposes.
* Base map entities resolve as the 'base' tier.
*
* Numeric / hex references (&#NNN; / &#xHH;) are resolved directly via
* String.fromCodePoint() no map needed. They count as 'base' tier.
*
* @example
* const replacer = new EntityReplacer({ namedEntities: COMMON_HTML });
* replacer.setExternalEntities({ brand: 'Acme' });
*
* const instance = replacer.reset();
* instance.addInputEntities({ version: '1.0' });
* instance.encode('&brand; v&version; &lt;'); // 'Acme v1.0 <'
*/
export default class EntityDecoder {
/**
* @param {object} [options]
* @param {object|null} [options.namedEntities] extra named entities merged into base map
* @param {object} [options.limit] security limits
* @param {number} [options.limit.maxTotalExpansions=0] 0 = unlimited
* @param {number} [options.limit.maxExpandedLength=0] 0 = unlimited
* @param {'external'|'base'|'all'|string[]} [options.limit.applyLimitsTo='external']
* Which entity tiers count against the security limits:
* - 'external' (default) only input/runtime + persistent external entities
* - 'base' only DEFAULT_XML_ENTITIES + namedEntities
* - 'all' every entity regardless of tier
* - string[] explicit combination, e.g. ['external', 'base']
* @param {((resolved: string, original: string) => string)|null} [options.postCheck=null]
* @param {string[]} [options.remove=[]] entity names (e.g. ['nbsp', '#13']) to delete (replace with empty string)
* @param {string[]} [options.leave=[]] entity names to keep as literal (unchanged in output)
* @param {object} [options.ncr] Numeric Character Reference controls
* @param {1.0|1.1} [options.ncr.xmlVersion=1.0]
* XML version governing which codepoint ranges are restricted:
* - 1.0 C0 controls U+0001U+001F (except U+0009/000A/000D) are prohibited
* - 1.1 C0 controls are allowed when written as NCRs; C1 (U+007FU+009F) decoded as-is
* @param {'allow'|'leave'|'remove'|'throw'} [options.ncr.onNCR='allow']
* Base action for numeric references. Severity order: allow < leave < remove < throw.
* For codepoint ranges that carry a minimum level (surrogates remove, XML 1.0 C0 remove),
* the effective action is max(onNCR, rangeMinimum).
* @param {'remove'|'throw'} [options.ncr.nullNCR='remove']
* Action for U+0000 (null). 'allow' and 'leave' are clamped to 'remove' since null is never safe.
*/
constructor(options = {}) {
this._limit = options.limit || {};
this._maxTotalExpansions = this._limit.maxTotalExpansions || 0;
this._maxExpandedLength = this._limit.maxExpandedLength || 0;
this._postCheck = typeof options.postCheck === 'function' ? options.postCheck : r => r;
this._limitTiers = parseLimitTiers(this._limit.applyLimitsTo ?? LIMIT_TIER_EXTERNAL);
this._numericAllowed = options.numericAllowed ?? true;
// Base map: DEFAULT_XML_ENTITIES + user-supplied extras. Immutable after construction.
this._baseMap = mergeEntityMaps(DEFAULT_XML_ENTITIES, options.namedEntities || null);
// Persistent external entities — survive across documents.
// Stored as a separate map so reset() never touches them.
/** @type {Record<string, string>} */
this._externalMap = Object.create(null);
// Input / runtime entities — current document only, wiped on reset().
/** @type {Record<string, string>} */
this._inputMap = Object.create(null);
// Per-document counters
this._totalExpansions = 0;
this._expandedLength = 0;
// --- New: remove / leave sets ---
/** @type {Set<string>} */
this._removeSet = new Set(options.remove && Array.isArray(options.remove) ? options.remove : []);
/** @type {Set<string>} */
this._leaveSet = new Set(options.leave && Array.isArray(options.leave) ? options.leave : []);
// --- NCR config (parsed into flat fields for hot-path speed) ---
const ncrCfg = parseNCRConfig(options.ncr);
this._ncrXmlVersion = ncrCfg.xmlVersion;
this._ncrOnLevel = ncrCfg.onLevel;
this._ncrNullLevel = ncrCfg.nullLevel;
}
// -------------------------------------------------------------------------
// Persistent external entity registration
// -------------------------------------------------------------------------
/**
* Replace the full set of persistent external entities.
* All keys are validated throws on invalid characters.
* @param {Record<string, string | { regex?: RegExp, val: string }>} map
*/
setExternalEntities(map) {
if (map) {
for (const key of Object.keys(map)) {
validateEntityName(key);
}
}
this._externalMap = mergeEntityMaps(map);
}
/**
* Add a single persistent external entity.
* @param {string} key
* @param {string} value
*/
addExternalEntity(key, value) {
validateEntityName(key);
if (typeof value === 'string' && value.indexOf('&') === -1) {
this._externalMap[key] = value;
}
}
// -------------------------------------------------------------------------
// Input / runtime entity registration (per document)
// -------------------------------------------------------------------------
/**
* Inject DOCTYPE entities for the current document.
* Also resets per-document expansion counters.
* @param {Record<string, string | { regx?: RegExp, regex?: RegExp, val: string }>} map
*/
addInputEntities(map) {
this._totalExpansions = 0;
this._expandedLength = 0;
this._inputMap = mergeEntityMaps(map);
}
// -------------------------------------------------------------------------
// Per-document reset
// -------------------------------------------------------------------------
/**
* Wipe input/runtime entities and reset counters.
* Call this before processing each new document.
* @returns {this}
*/
reset() {
this._inputMap = Object.create(null);
this._totalExpansions = 0;
this._expandedLength = 0;
return this;
}
// -------------------------------------------------------------------------
// XML version (can be set after construction, e.g. once parser reads <?xml?>)
// -------------------------------------------------------------------------
/**
* Update the XML version used for NCR classification.
* Call this as soon as the document's `<?xml version="...">` declaration is parsed.
* @param {1.0|1.1|number} version
*/
setXmlVersion(version) {
this._ncrXmlVersion = version === 1.1 ? 1.1 : 1.0;
}
// -------------------------------------------------------------------------
// Primary API
// -------------------------------------------------------------------------
/**
* Replace all entity references in `str` in a single pass.
*
* @param {string} str
* @returns {string}
*/
decode(str) {
if (typeof str !== 'string' || str.length === 0) return str;
//TODO: check if needed
//if (str.indexOf('&') === -1) return str; // fast path — no entities at all
const original = str;
const chunks = [];
const len = str.length;
let last = 0; // start of next unprocessed literal chunk
let i = 0;
const limitExpansions = this._maxTotalExpansions > 0;
const limitLength = this._maxExpandedLength > 0;
const checkLimits = limitExpansions || limitLength;
while (i < len) {
// Scan forward to next '&'
if (str.charCodeAt(i) !== 38 /* '&' */) { i++; continue; }
// --- Found '&' at position i ---
// Scan forward to ';'
let j = i + 1;
while (j < len && str.charCodeAt(j) !== 59 /* ';' */ && (j - i) <= 32) j++;
if (j >= len || str.charCodeAt(j) !== 59) {
// No closing ';' within window — treat '&' as literal
i++;
continue;
}
// Raw token between '&' and ';' (exclusive)
const token = str.slice(i + 1, j);
if (token.length === 0) { i++; continue; }
let replacement;
let tier; // which limit tier this entity belongs to
if (this._removeSet.has(token)) {
// Remove entity: replace with empty string
replacement = '';
// If entity was unknown (replacement undefined), we still need a tier for limits.
// Treat as external tier because it's user-directed removal of an unknown reference.
if (tier === undefined) {
tier = LIMIT_TIER_EXTERNAL;
}
} else if (this._leaveSet.has(token)) {
// Do not replace — keep original &token; as literal
i++;
continue;
} else if (token.charCodeAt(0) === 35 /* '#' */) {
// ---- Numeric / NCR reference ----
// NCR classification always runs first — prohibited codepoints must be
// caught regardless of numericAllowed.
const ncrResult = this._resolveNCR(token);
if (ncrResult === undefined) {
// 'leave' action — keep original &token; as-is
i++;
continue;
}
replacement = ncrResult; // '' for remove, char string for allow
tier = LIMIT_TIER_BASE;
} else {
// ---- Named reference ----
const resolved = this._resolveName(token);
replacement = resolved?.value;
tier = resolved?.tier;
}
if (replacement === undefined) {
// Unknown entity — leave as-is, advance past '&' only
i++;
continue;
}
// Flush literal chunk before this entity
if (i > last) chunks.push(str.slice(last, i));
chunks.push(replacement);
last = j + 1; // skip past ';'
i = last;
// Apply expansion limits only if this tier is being tracked
if (checkLimits && this._tierCounts(tier)) {
if (limitExpansions) {
this._totalExpansions++;
if (this._totalExpansions > this._maxTotalExpansions) {
throw new Error(
`[EntityReplacer] Entity expansion count limit exceeded: ` +
`${this._totalExpansions} > ${this._maxTotalExpansions}`
);
}
}
if (limitLength) {
// delta: replacement.length minus the raw &token; length (token.length + 2 for '&' and ';')
const delta = replacement.length - (token.length + 2);
if (delta > 0) {
this._expandedLength += delta;
if (this._expandedLength > this._maxExpandedLength) {
throw new Error(
`[EntityReplacer] Expanded content length limit exceeded: ` +
`${this._expandedLength} > ${this._maxExpandedLength}`
);
}
}
}
}
}
// Flush trailing literal
if (last < len) chunks.push(str.slice(last));
// If nothing was replaced, chunks is empty — return original
const result = chunks.length === 0 ? str : chunks.join('');
return this._postCheck(result, original);
}
// -------------------------------------------------------------------------
// Private: limit tier check
// -------------------------------------------------------------------------
/**
* Returns true if a resolved entity of the given tier should count
* against the expansion/length limits.
* @param {string} tier LIMIT_TIER_EXTERNAL | LIMIT_TIER_BASE
* @returns {boolean}
*/
_tierCounts(tier) {
if (this._limitTiers.has(LIMIT_TIER_ALL)) return true;
return this._limitTiers.has(tier);
}
// -------------------------------------------------------------------------
// Private: entity resolution
// -------------------------------------------------------------------------
/**
* Resolve a named entity token (without & and ;).
* Priority: inputMap > externalMap > baseMap
* Returns the resolved value tagged with its limit tier.
*
* @param {string} name
* @returns {{ value: string, tier: string }|undefined}
*/
_resolveName(name) {
// input and external both count as 'external' tier for limit purposes —
// they are injected at runtime and are the untrusted surface.
if (name in this._inputMap) return { value: this._inputMap[name], tier: LIMIT_TIER_EXTERNAL };
if (name in this._externalMap) return { value: this._externalMap[name], tier: LIMIT_TIER_EXTERNAL };
if (name in this._baseMap) return { value: this._baseMap[name], tier: LIMIT_TIER_BASE };
return undefined;
}
/**
* Classify a codepoint and return the minimum action level that must be applied.
* Returns -1 when no minimum is imposed (normal allow path).
*
* Ranges checked (in priority order):
* 1. U+0000 null, governed by nullNCR (always remove)
* 2. U+D800U+DFFF surrogates, always prohibited (min: remove)
* 3. U+0001U+001F \ {0x09,0x0A,0x0D} XML 1.0 restricted C0 (min: remove)
* (skipped in XML 1.1 C0 controls are allowed when written as NCRs)
*
* @param {number} cp codepoint
* @returns {number} minimum NCR_LEVEL value, or -1 for no restriction
*/
_classifyNCR(cp) {
// 1. Null
if (cp === 0) return this._ncrNullLevel;
// 2. Surrogates — always prohibited, minimum 'remove'
if (cp >= 0xD800 && cp <= 0xDFFF) return NCR_LEVEL.remove;
// 3. XML 1.0 restricted C0 controls
if (this._ncrXmlVersion === 1.0) {
if (cp >= 0x01 && cp <= 0x1F && !XML10_ALLOWED_C0.has(cp)) return NCR_LEVEL.remove;
}
return -1; // no restriction
}
/**
* Execute a resolved NCR action.
*
* @param {number} action NCR_LEVEL value
* @param {string} token raw token (e.g. '#38') for error messages
* @param {number} cp codepoint, used only for error messages
* @returns {string|undefined}
* - decoded character string 'allow'
* - '' 'remove'
* - undefined 'leave' (caller must skip past '&' only)
* - throws Error 'throw'
*/
_applyNCRAction(action, token, cp) {
switch (action) {
case NCR_LEVEL.allow: return String.fromCodePoint(cp);
case NCR_LEVEL.remove: return '';
case NCR_LEVEL.leave: return undefined; // signal: keep literal
case NCR_LEVEL.throw:
throw new Error(
`[EntityDecoder] Prohibited numeric character reference ` +
`&${token}; (U+${cp.toString(16).toUpperCase().padStart(4, '0')})`
);
default: return String.fromCodePoint(cp);
}
}
/**
* Full NCR resolution pipeline for a numeric token.
*
* Steps:
* 1. Parse the codepoint (decimal or hex).
* 2. Validate the raw codepoint range (NaN, <0, >0x10FFFF).
* 3. If numericAllowed is false and no minimum restriction applies leave as-is.
* 4. Classify the codepoint to find the minimum required action level.
* 5. Resolve effective action = max(onNCR, minimum).
* 6. Apply and return.
*
* @param {string} token e.g. '#38', '#x26', '#X26'
* @returns {string|undefined}
* - string (incl. '') replacement ('' = remove)
* - undefined leave original &token; as-is
*/
_resolveNCR(token) {
// Step 1: parse codepoint
const second = token.charCodeAt(1);
let cp;
if (second === 120 /* x */ || second === 88 /* X */) {
cp = parseInt(token.slice(2), 16);
} else {
cp = parseInt(token.slice(1), 10);
}
// Step 2: out-of-range → leave as-is unconditionally
if (Number.isNaN(cp) || cp < 0 || cp > 0x10FFFF) return undefined;
// Step 3: classify to get minimum action level
const minimum = this._classifyNCR(cp);
// Step 4: if numericAllowed is false and no hard minimum → leave
if (!this._numericAllowed && minimum < NCR_LEVEL.remove) return undefined;
// Step 5: effective action = max(configured onNCR, range minimum)
const effective = minimum === -1
? this._ncrOnLevel
: Math.max(this._ncrOnLevel, minimum);
// Step 6: apply
return this._applyNCRAction(effective, token, cp);
}
}

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