@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
208 lines • 28.1 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SassStylesheetLanguage = exports.shutdownSassWorkerPool = void 0;
const node_path_1 = require("node:path");
const node_url_1 = require("node:url");
let sassWorkerPool;
let sassWorkerPoolPromise;
function isSassException(error) {
return !!error && typeof error === 'object' && 'sassMessage' in error;
}
function shutdownSassWorkerPool() {
if (sassWorkerPool) {
sassWorkerPool.close();
sassWorkerPool = undefined;
}
else if (sassWorkerPoolPromise) {
void sassWorkerPoolPromise.then(shutdownSassWorkerPool);
}
sassWorkerPoolPromise = undefined;
}
exports.shutdownSassWorkerPool = shutdownSassWorkerPool;
exports.SassStylesheetLanguage = Object.freeze({
name: 'sass',
componentFilter: /^s[ac]ss;/,
fileFilter: /\.s[ac]ss$/,
process(data, file, format, options, build) {
const syntax = format === 'sass' ? 'indented' : 'scss';
const resolveUrl = async (url, options) => {
let result = await build.resolve(url, {
kind: 'import-rule',
// Use the provided resolve directory from the custom Sass service if available
resolveDir: options.resolveDir ?? build.initialOptions.absWorkingDir,
});
// If a resolve directory is provided, no additional speculative resolutions are required
if (options.resolveDir) {
return result;
}
// Workaround to support Yarn PnP and pnpm without access to the importer file from Sass
if (!result.path && options.previousResolvedModules?.size) {
for (const previous of options.previousResolvedModules) {
result = await build.resolve(url, {
kind: 'import-rule',
resolveDir: previous,
});
if (result.path) {
break;
}
}
}
return result;
};
return compileString(data, file, syntax, options, resolveUrl);
},
});
function parsePackageName(url) {
const parts = url.split('/');
const hasScope = parts.length >= 2 && parts[0].startsWith('@');
const [nameOrScope, nameOrFirstPath, ...pathPart] = parts;
const packageName = hasScope ? `${nameOrScope}/${nameOrFirstPath}` : nameOrScope;
return {
packageName,
get pathSegments() {
return !hasScope && nameOrFirstPath ? [nameOrFirstPath, ...pathPart] : pathPart;
},
};
}
class Cache extends Map {
async getOrCreate(key, creator) {
let value = this.get(key);
if (value === undefined) {
value = await creator();
this.set(key, value);
}
return value;
}
}
async function compileString(data, filePath, syntax, options, resolveUrl) {
// Lazily load Sass when a Sass file is found
if (sassWorkerPool === undefined) {
if (sassWorkerPoolPromise === undefined) {
sassWorkerPoolPromise = Promise.resolve().then(() => __importStar(require('../../sass/sass-service'))).then((sassService) => new sassService.SassWorkerImplementation(true));
}
sassWorkerPool = await sassWorkerPoolPromise;
}
// Cache is currently local to individual compile requests.
// Caching follows Sass behavior where a given url will always resolve to the same value
// regardless of its importer's path.
// A null value indicates that the cached resolution attempt failed to find a location and
// later stage resolution should be attempted. This avoids potentially expensive repeat
// failing resolution attempts.
const resolutionCache = new Cache();
const packageRootCache = new Cache();
const warnings = [];
try {
const { css, sourceMap, loadedUrls } = await sassWorkerPool.compileStringAsync(data, {
url: (0, node_url_1.pathToFileURL)(filePath),
style: 'expanded',
syntax,
loadPaths: options.includePaths,
sourceMap: options.sourcemap,
sourceMapIncludeSources: options.sourcemap,
quietDeps: true,
importers: [
{
findFileUrl: (url, options) => resolutionCache.getOrCreate(url, async () => {
const result = await resolveUrl(url, options);
if (result.path) {
return (0, node_url_1.pathToFileURL)(result.path);
}
// Check for package deep imports
const { packageName, pathSegments } = parsePackageName(url);
// Caching package root locations is particularly beneficial for `@material/*` packages
// which extensively use deep imports.
const packageRoot = await packageRootCache.getOrCreate(packageName, async () => {
// Use the required presence of a package root `package.json` file to resolve the location
const packageResult = await resolveUrl(packageName + '/package.json', options);
return packageResult.path ? (0, node_path_1.dirname)(packageResult.path) : null;
});
// Package not found could be because of an error or the specifier is intended to be found
// via a later stage of the resolution process (`loadPaths`, etc.).
// Errors are reported after the full completion of the resolution process. Exceptions for
// not found packages should not be raised here.
if (packageRoot) {
return (0, node_url_1.pathToFileURL)((0, node_path_1.join)(packageRoot, ...pathSegments));
}
// Not found
return null;
}),
},
],
logger: {
warn: (text, { deprecation, span }) => {
warnings.push({
text: deprecation ? 'Deprecation' : text,
location: span && {
file: span.url && (0, node_url_1.fileURLToPath)(span.url),
lineText: span.context,
// Sass line numbers are 0-based while esbuild's are 1-based
line: span.start.line + 1,
column: span.start.column,
},
notes: deprecation ? [{ text }] : undefined,
});
},
},
});
return {
loader: 'css',
contents: sourceMap ? `${css}\n${sourceMapToUrlComment(sourceMap, (0, node_path_1.dirname)(filePath))}` : css,
watchFiles: loadedUrls.map((url) => (0, node_url_1.fileURLToPath)(url)),
warnings,
};
}
catch (error) {
if (isSassException(error)) {
const file = error.span.url ? (0, node_url_1.fileURLToPath)(error.span.url) : undefined;
return {
loader: 'css',
errors: [
{
text: error.message,
},
],
warnings,
watchFiles: file ? [file] : undefined,
};
}
throw error;
}
}
function sourceMapToUrlComment(sourceMap, root) {
// Remove `file` protocol from all sourcemap sources and adjust to be relative to the input file.
// This allows esbuild to correctly process the paths.
sourceMap.sources = sourceMap.sources.map((source) => (0, node_path_1.relative)(root, (0, node_url_1.fileURLToPath)(source)));
const urlSourceMap = Buffer.from(JSON.stringify(sourceMap), 'utf-8').toString('base64');
return `/*# sourceMappingURL=data:application/json;charset=utf-8;base64,${urlSourceMap} */`;
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport type { OnLoadResult, PartialMessage, ResolveResult } from 'esbuild';\nimport { dirname, join, relative } from 'node:path';\nimport { fileURLToPath, pathToFileURL } from 'node:url';\nimport type { CompileResult, Exception, Syntax } from 'sass';\nimport type {\n  FileImporterWithRequestContextOptions,\n  SassWorkerImplementation,\n} from '../../sass/sass-service';\nimport { StylesheetLanguage, StylesheetPluginOptions } from './stylesheet-plugin-factory';\n\nlet sassWorkerPool: SassWorkerImplementation | undefined;\nlet sassWorkerPoolPromise: Promise<SassWorkerImplementation> | undefined;\n\nfunction isSassException(error: unknown): error is Exception {\n  return !!error && typeof error === 'object' && 'sassMessage' in error;\n}\n\nexport function shutdownSassWorkerPool(): void {\n  if (sassWorkerPool) {\n    sassWorkerPool.close();\n    sassWorkerPool = undefined;\n  } else if (sassWorkerPoolPromise) {\n    void sassWorkerPoolPromise.then(shutdownSassWorkerPool);\n  }\n  sassWorkerPoolPromise = undefined;\n}\n\nexport const SassStylesheetLanguage = Object.freeze<StylesheetLanguage>({\n  name: 'sass',\n  componentFilter: /^s[ac]ss;/,\n  fileFilter: /\\.s[ac]ss$/,\n  process(data, file, format, options, build) {\n    const syntax = format === 'sass' ? 'indented' : 'scss';\n    const resolveUrl = async (url: string, options: FileImporterWithRequestContextOptions) => {\n      let result = await build.resolve(url, {\n        kind: 'import-rule',\n        // Use the provided resolve directory from the custom Sass service if available\n        resolveDir: options.resolveDir ?? build.initialOptions.absWorkingDir,\n      });\n\n      // If a resolve directory is provided, no additional speculative resolutions are required\n      if (options.resolveDir) {\n        return result;\n      }\n\n      // Workaround to support Yarn PnP and pnpm without access to the importer file from Sass\n      if (!result.path && options.previousResolvedModules?.size) {\n        for (const previous of options.previousResolvedModules) {\n          result = await build.resolve(url, {\n            kind: 'import-rule',\n            resolveDir: previous,\n          });\n          if (result.path) {\n            break;\n          }\n        }\n      }\n\n      return result;\n    };\n\n    return compileString(data, file, syntax, options, resolveUrl);\n  },\n});\n\nfunction parsePackageName(url: string): { packageName: string; readonly pathSegments: string[] } {\n  const parts = url.split('/');\n  const hasScope = parts.length >= 2 && parts[0].startsWith('@');\n  const [nameOrScope, nameOrFirstPath, ...pathPart] = parts;\n  const packageName = hasScope ? `${nameOrScope}/${nameOrFirstPath}` : nameOrScope;\n\n  return {\n    packageName,\n    get pathSegments() {\n      return !hasScope && nameOrFirstPath ? [nameOrFirstPath, ...pathPart] : pathPart;\n    },\n  };\n}\n\nclass Cache<K, V> extends Map<K, V> {\n  async getOrCreate(key: K, creator: () => V | Promise<V>): Promise<V> {\n    let value = this.get(key);\n\n    if (value === undefined) {\n      value = await creator();\n      this.set(key, value);\n    }\n\n    return value;\n  }\n}\n\nasync function compileString(\n  data: string,\n  filePath: string,\n  syntax: Syntax,\n  options: StylesheetPluginOptions,\n  resolveUrl: (\n    url: string,\n    options: FileImporterWithRequestContextOptions,\n  ) => Promise<ResolveResult>,\n): Promise<OnLoadResult> {\n  // Lazily load Sass when a Sass file is found\n  if (sassWorkerPool === undefined) {\n    if (sassWorkerPoolPromise === undefined) {\n      sassWorkerPoolPromise = import('../../sass/sass-service').then(\n        (sassService) => new sassService.SassWorkerImplementation(true),\n      );\n    }\n    sassWorkerPool = await sassWorkerPoolPromise;\n  }\n\n  // Cache is currently local to individual compile requests.\n  // Caching follows Sass behavior where a given url will always resolve to the same value\n  // regardless of its importer's path.\n  // A null value indicates that the cached resolution attempt failed to find a location and\n  // later stage resolution should be attempted. This avoids potentially expensive repeat\n  // failing resolution attempts.\n  const resolutionCache = new Cache<string, URL | null>();\n  const packageRootCache = new Cache<string, string | null>();\n\n  const warnings: PartialMessage[] = [];\n  try {\n    const { css, sourceMap, loadedUrls } = await sassWorkerPool.compileStringAsync(data, {\n      url: pathToFileURL(filePath),\n      style: 'expanded',\n      syntax,\n      loadPaths: options.includePaths,\n      sourceMap: options.sourcemap,\n      sourceMapIncludeSources: options.sourcemap,\n      quietDeps: true,\n      importers: [\n        {\n          findFileUrl: (url, options: FileImporterWithRequestContextOptions) =>\n            resolutionCache.getOrCreate(url, async () => {\n              const result = await resolveUrl(url, options);\n              if (result.path) {\n                return pathToFileURL(result.path);\n              }\n\n              // Check for package deep imports\n              const { packageName, pathSegments } = parsePackageName(url);\n\n              // Caching package root locations is particularly beneficial for `@material/*` packages\n              // which extensively use deep imports.\n              const packageRoot = await packageRootCache.getOrCreate(packageName, async () => {\n                // Use the required presence of a package root `package.json` file to resolve the location\n                const packageResult = await resolveUrl(packageName + '/package.json', options);\n\n                return packageResult.path ? dirname(packageResult.path) : null;\n              });\n\n              // Package not found could be because of an error or the specifier is intended to be found\n              // via a later stage of the resolution process (`loadPaths`, etc.).\n              // Errors are reported after the full completion of the resolution process. Exceptions for\n              // not found packages should not be raised here.\n              if (packageRoot) {\n                return pathToFileURL(join(packageRoot, ...pathSegments));\n              }\n\n              // Not found\n              return null;\n            }),\n        },\n      ],\n      logger: {\n        warn: (text, { deprecation, span }) => {\n          warnings.push({\n            text: deprecation ? 'Deprecation' : text,\n            location: span && {\n              file: span.url && fileURLToPath(span.url),\n              lineText: span.context,\n              // Sass line numbers are 0-based while esbuild's are 1-based\n              line: span.start.line + 1,\n              column: span.start.column,\n            },\n            notes: deprecation ? [{ text }] : undefined,\n          });\n        },\n      },\n    });\n\n    return {\n      loader: 'css',\n      contents: sourceMap ? `${css}\\n${sourceMapToUrlComment(sourceMap, dirname(filePath))}` : css,\n      watchFiles: loadedUrls.map((url) => fileURLToPath(url)),\n      warnings,\n    };\n  } catch (error) {\n    if (isSassException(error)) {\n      const file = error.span.url ? fileURLToPath(error.span.url) : undefined;\n\n      return {\n        loader: 'css',\n        errors: [\n          {\n            text: error.message,\n          },\n        ],\n        warnings,\n        watchFiles: file ? [file] : undefined,\n      };\n    }\n\n    throw error;\n  }\n}\n\nfunction sourceMapToUrlComment(\n  sourceMap: Exclude<CompileResult['sourceMap'], undefined>,\n  root: string,\n): string {\n  // Remove `file` protocol from all sourcemap sources and adjust to be relative to the input file.\n  // This allows esbuild to correctly process the paths.\n  sourceMap.sources = sourceMap.sources.map((source) => relative(root, fileURLToPath(source)));\n\n  const urlSourceMap = Buffer.from(JSON.stringify(sourceMap), 'utf-8').toString('base64');\n\n  return `/*# sourceMappingURL=data:application/json;charset=utf-8;base64,${urlSourceMap} */`;\n}\n"]}