@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
312 lines • 46.9 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;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.inlineLocales = void 0;
const remapping_1 = __importDefault(require("@ampproject/remapping"));
const core_1 = require("@babel/core");
const template_1 = __importDefault(require("@babel/template"));
const fs = __importStar(require("fs/promises"));
const path = __importStar(require("path"));
const worker_threads_1 = require("worker_threads");
const environment_options_1 = require("./environment-options");
const error_1 = require("./error");
const load_esm_1 = require("./load-esm");
// Lazy loaded webpack-sources object
// Webpack is only imported if needed during the processing
let webpackSources;
const { i18n } = (worker_threads_1.workerData || {});
/**
* Internal flag to enable the direct usage of the `@angular/localize` translation plugins.
* Their usage is currently several times slower than the string manipulation method.
* Future work to optimize the plugins should enable plugin usage as the default.
*/
const USE_LOCALIZE_PLUGINS = false;
/**
* Cached instance of the `@angular/localize/tools` module.
* This is used to remove the need to repeatedly import the module per file translation.
*/
let localizeToolsModule;
/**
* Attempts to load the `@angular/localize/tools` module containing the functionality to
* perform the file translations.
* This module must be dynamically loaded as it is an ESM module and this file is CommonJS.
*/
async function loadLocalizeTools() {
if (localizeToolsModule !== undefined) {
return localizeToolsModule;
}
// Load ESM `@angular/localize/tools` using the TypeScript dynamic import workaround.
// Once TypeScript provides support for keeping the dynamic import this workaround can be
// changed to a direct dynamic import.
return (0, load_esm_1.loadEsmModule)('@angular/localize/tools');
}
async function createI18nPlugins(locale, translation, missingTranslation, shouldInline, localeDataContent) {
const { Diagnostics, makeEs2015TranslatePlugin, makeLocalePlugin } = await loadLocalizeTools();
const plugins = [];
const diagnostics = new Diagnostics();
if (shouldInline) {
plugins.push(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
makeEs2015TranslatePlugin(diagnostics, (translation || {}), {
missingTranslation: translation === undefined ? 'ignore' : missingTranslation,
}));
}
plugins.push(makeLocalePlugin(locale));
if (localeDataContent) {
plugins.push({
visitor: {
Program(path) {
path.unshiftContainer('body', template_1.default.ast(localeDataContent));
},
},
});
}
return { diagnostics, plugins };
}
const localizeName = '$localize';
async function inlineLocales(options) {
if (!i18n || i18n.inlineLocales.size === 0) {
return { file: options.filename, diagnostics: [], count: 0 };
}
if (i18n.flatOutput && i18n.inlineLocales.size > 1) {
throw new Error('Flat output is only supported when inlining one locale.');
}
const hasLocalizeName = options.code.includes(localizeName);
if (!hasLocalizeName && !options.setLocale) {
return inlineCopyOnly(options);
}
await loadLocalizeTools();
let ast;
try {
ast = (0, core_1.parseSync)(options.code, {
babelrc: false,
configFile: false,
sourceType: 'unambiguous',
filename: options.filename,
});
}
catch (error) {
(0, error_1.assertIsError)(error);
// Make the error more readable.
// Same errors will contain the full content of the file as the error message
// Which makes it hard to find the actual error message.
const index = error.message.indexOf(')\n');
const msg = index !== -1 ? error.message.slice(0, index + 1) : error.message;
throw new Error(`${msg}\nAn error occurred inlining file "${options.filename}"`);
}
if (!ast) {
throw new Error(`Unknown error occurred inlining file "${options.filename}"`);
}
if (!USE_LOCALIZE_PLUGINS) {
return inlineLocalesDirect(ast, options);
}
const diagnostics = [];
for (const locale of i18n.inlineLocales) {
const isSourceLocale = locale === i18n.sourceLocale;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const translations = isSourceLocale ? {} : i18n.locales[locale].translation || {};
let localeDataContent;
if (options.setLocale) {
// If locale data is provided, load it and prepend to file
const localeDataPath = i18n.locales[locale]?.dataPath;
if (localeDataPath) {
localeDataContent = await loadLocaleData(localeDataPath, true);
}
}
const { diagnostics: localeDiagnostics, plugins } = await createI18nPlugins(locale, translations, isSourceLocale ? 'ignore' : options.missingTranslation || 'warning', true, localeDataContent);
const transformResult = await (0, core_1.transformFromAstSync)(ast, options.code, {
filename: options.filename,
// using false ensures that babel will NOT search and process sourcemap comments (large memory usage)
// The types do not include the false option even though it is valid
// eslint-disable-next-line @typescript-eslint/no-explicit-any
inputSourceMap: false,
babelrc: false,
configFile: false,
plugins,
compact: !environment_options_1.shouldBeautify,
sourceMaps: !!options.map,
});
diagnostics.push(...localeDiagnostics.messages);
if (!transformResult || !transformResult.code) {
throw new Error(`Unknown error occurred processing bundle for "${options.filename}".`);
}
const outputPath = path.join(options.outputPath, i18n.flatOutput ? '' : locale, options.filename);
await fs.writeFile(outputPath, transformResult.code);
if (options.map && transformResult.map) {
const outputMap = (0, remapping_1.default)([transformResult.map, options.map], () => null);
await fs.writeFile(outputPath + '.map', JSON.stringify(outputMap));
}
}
return { file: options.filename, diagnostics };
}
exports.inlineLocales = inlineLocales;
async function inlineLocalesDirect(ast, options) {
if (!i18n || i18n.inlineLocales.size === 0) {
return { file: options.filename, diagnostics: [], count: 0 };
}
const { default: generate } = await Promise.resolve().then(() => __importStar(require('@babel/generator')));
const localizeDiag = await loadLocalizeTools();
const diagnostics = new localizeDiag.Diagnostics();
const positions = findLocalizePositions(ast, options, localizeDiag);
if (positions.length === 0 && !options.setLocale) {
return inlineCopyOnly(options);
}
const inputMap = !!options.map && JSON.parse(options.map);
// Cleanup source root otherwise it will be added to each source entry
const mapSourceRoot = inputMap && inputMap.sourceRoot;
if (inputMap) {
delete inputMap.sourceRoot;
}
// Load Webpack only when needed
if (webpackSources === undefined) {
webpackSources = (await Promise.resolve().then(() => __importStar(require('webpack')))).sources;
}
const { ConcatSource, OriginalSource, ReplaceSource, SourceMapSource } = webpackSources;
for (const locale of i18n.inlineLocales) {
const content = new ReplaceSource(inputMap
? new SourceMapSource(options.code, options.filename, inputMap)
: new OriginalSource(options.code, options.filename));
const isSourceLocale = locale === i18n.sourceLocale;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const translations = isSourceLocale ? {} : i18n.locales[locale].translation || {};
for (const position of positions) {
const translated = localizeDiag.translate(diagnostics, translations, position.messageParts, position.expressions, isSourceLocale ? 'ignore' : options.missingTranslation || 'warning');
const expression = localizeDiag.buildLocalizeReplacement(translated[0], translated[1]);
const { code } = generate(expression);
content.replace(position.start, position.end - 1, code);
}
let outputSource = content;
if (options.setLocale) {
const setLocaleText = `globalThis.$localize=Object.assign(globalThis.$localize || {},{locale:"${locale}"});\n`;
// If locale data is provided, load it and prepend to file
let localeDataSource;
const localeDataPath = i18n.locales[locale] && i18n.locales[locale].dataPath;
if (localeDataPath) {
const localeDataContent = await loadLocaleData(localeDataPath, true);
localeDataSource = new OriginalSource(localeDataContent, path.basename(localeDataPath));
}
outputSource = localeDataSource
? // The semicolon ensures that there is no syntax error between statements
new ConcatSource(setLocaleText, localeDataSource, ';\n', content)
: new ConcatSource(setLocaleText, content);
}
const { source: outputCode, map: outputMap } = outputSource.sourceAndMap();
const outputPath = path.join(options.outputPath, i18n.flatOutput ? '' : locale, options.filename);
await fs.writeFile(outputPath, outputCode);
if (inputMap && outputMap) {
outputMap.file = options.filename;
if (mapSourceRoot) {
outputMap.sourceRoot = mapSourceRoot;
}
await fs.writeFile(outputPath + '.map', JSON.stringify(outputMap));
}
}
return { file: options.filename, diagnostics: diagnostics.messages, count: positions.length };
}
async function inlineCopyOnly(options) {
if (!i18n) {
throw new Error('i18n options are missing');
}
for (const locale of i18n.inlineLocales) {
const outputPath = path.join(options.outputPath, i18n.flatOutput ? '' : locale, options.filename);
await fs.writeFile(outputPath, options.code);
if (options.map) {
await fs.writeFile(outputPath + '.map', options.map);
}
}
return { file: options.filename, diagnostics: [], count: 0 };
}
function findLocalizePositions(ast, options, utils) {
const positions = [];
// Workaround to ensure a path hub is present for traversal
const { File } = require('@babel/core');
const file = new File({}, { code: options.code, ast });
(0, core_1.traverse)(file.ast, {
TaggedTemplateExpression(path) {
if (core_1.types.isIdentifier(path.node.tag) && path.node.tag.name === localizeName) {
const [messageParts, expressions] = unwrapTemplateLiteral(path, utils);
positions.push({
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
start: path.node.start,
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
end: path.node.end,
messageParts,
expressions,
});
}
},
});
return positions;
}
function unwrapTemplateLiteral(path, utils) {
const [messageParts] = utils.unwrapMessagePartsFromTemplateLiteral(path.get('quasi').get('quasis'));
const [expressions] = utils.unwrapExpressionsFromTemplateLiteral(path.get('quasi'));
return [messageParts, expressions];
}
function unwrapLocalizeCall(path, utils) {
const [messageParts] = utils.unwrapMessagePartsFromLocalizeCall(path);
const [expressions] = utils.unwrapSubstitutionsFromLocalizeCall(path);
return [messageParts, expressions];
}
async function loadLocaleData(path, optimize) {
// The path is validated during option processing before the build starts
const content = await fs.readFile(path, 'utf8');
// Downlevel and optimize the data
const transformResult = await (0, core_1.transformAsync)(content, {
filename: path,
// The types do not include the false option even though it is valid
// eslint-disable-next-line @typescript-eslint/no-explicit-any
inputSourceMap: false,
babelrc: false,
configFile: false,
presets: [
[
require.resolve('@babel/preset-env'),
{
bugfixes: true,
targets: { esmodules: true },
},
],
],
minified: environment_options_1.allowMinify && optimize,
compact: !environment_options_1.shouldBeautify && optimize,
comments: !optimize,
});
if (!transformResult || !transformResult.code) {
throw new Error(`Unknown error occurred processing bundle for "${path}".`);
}
return transformResult.code;
}
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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 remapping from '@ampproject/remapping';\nimport {\n  NodePath,\n  ParseResult,\n  parseSync,\n  transformAsync,\n  transformFromAstSync,\n  traverse,\n  types,\n} from '@babel/core';\nimport templateBuilder from '@babel/template';\nimport * as fs from 'fs/promises';\nimport * as path from 'path';\nimport { workerData } from 'worker_threads';\nimport { InlineOptions } from './bundle-inline-options';\nimport { allowMinify, shouldBeautify } from './environment-options';\nimport { assertIsError } from './error';\nimport { I18nOptions } from './i18n-options';\nimport { loadEsmModule } from './load-esm';\n\n// Extract Sourcemap input type from the remapping function since it is not currently exported\ntype SourceMapInput = Exclude<Parameters<typeof remapping>[0], unknown[]>;\n\n// Lazy loaded webpack-sources object\n// Webpack is only imported if needed during the processing\nlet webpackSources: typeof import('webpack').sources | undefined;\n\nconst { i18n } = (workerData || {}) as { i18n?: I18nOptions };\n\n/**\n * Internal flag to enable the direct usage of the `@angular/localize` translation plugins.\n * Their usage is currently several times slower than the string manipulation method.\n * Future work to optimize the plugins should enable plugin usage as the default.\n */\nconst USE_LOCALIZE_PLUGINS = false;\n\ntype LocalizeUtilityModule = typeof import('@angular/localize/tools');\n\n/**\n * Cached instance of the `@angular/localize/tools` module.\n * This is used to remove the need to repeatedly import the module per file translation.\n */\nlet localizeToolsModule: LocalizeUtilityModule | undefined;\n\n/**\n * Attempts to load the `@angular/localize/tools` module containing the functionality to\n * perform the file translations.\n * This module must be dynamically loaded as it is an ESM module and this file is CommonJS.\n */\nasync function loadLocalizeTools(): Promise<LocalizeUtilityModule> {\n  if (localizeToolsModule !== undefined) {\n    return localizeToolsModule;\n  }\n\n  // Load ESM `@angular/localize/tools` using the TypeScript dynamic import workaround.\n  // Once TypeScript provides support for keeping the dynamic import this workaround can be\n  // changed to a direct dynamic import.\n  return loadEsmModule('@angular/localize/tools');\n}\n\nasync function createI18nPlugins(\n  locale: string,\n  translation: unknown | undefined,\n  missingTranslation: 'error' | 'warning' | 'ignore',\n  shouldInline: boolean,\n  localeDataContent?: string,\n) {\n  const { Diagnostics, makeEs2015TranslatePlugin, makeLocalePlugin } = await loadLocalizeTools();\n\n  const plugins = [];\n  const diagnostics = new Diagnostics();\n\n  if (shouldInline) {\n    plugins.push(\n      // eslint-disable-next-line @typescript-eslint/no-explicit-any\n      makeEs2015TranslatePlugin(diagnostics, (translation || {}) as any, {\n        missingTranslation: translation === undefined ? 'ignore' : missingTranslation,\n      }),\n    );\n  }\n\n  plugins.push(makeLocalePlugin(locale));\n\n  if (localeDataContent) {\n    plugins.push({\n      visitor: {\n        Program(path: NodePath<types.Program>) {\n          path.unshiftContainer('body', templateBuilder.ast(localeDataContent));\n        },\n      },\n    });\n  }\n\n  return { diagnostics, plugins };\n}\n\ninterface LocalizePosition {\n  start: number;\n  end: number;\n  messageParts: TemplateStringsArray;\n  expressions: types.Expression[];\n}\n\nconst localizeName = '$localize';\n\nexport async function inlineLocales(options: InlineOptions) {\n  if (!i18n || i18n.inlineLocales.size === 0) {\n    return { file: options.filename, diagnostics: [], count: 0 };\n  }\n  if (i18n.flatOutput && i18n.inlineLocales.size > 1) {\n    throw new Error('Flat output is only supported when inlining one locale.');\n  }\n\n  const hasLocalizeName = options.code.includes(localizeName);\n  if (!hasLocalizeName && !options.setLocale) {\n    return inlineCopyOnly(options);\n  }\n\n  await loadLocalizeTools();\n\n  let ast: ParseResult | undefined | null;\n  try {\n    ast = parseSync(options.code, {\n      babelrc: false,\n      configFile: false,\n      sourceType: 'unambiguous',\n      filename: options.filename,\n    });\n  } catch (error) {\n    assertIsError(error);\n\n    // Make the error more readable.\n    // Same errors will contain the full content of the file as the error message\n    // Which makes it hard to find the actual error message.\n    const index = error.message.indexOf(')\\n');\n    const msg = index !== -1 ? error.message.slice(0, index + 1) : error.message;\n    throw new Error(`${msg}\\nAn error occurred inlining file \"${options.filename}\"`);\n  }\n\n  if (!ast) {\n    throw new Error(`Unknown error occurred inlining file \"${options.filename}\"`);\n  }\n\n  if (!USE_LOCALIZE_PLUGINS) {\n    return inlineLocalesDirect(ast, options);\n  }\n\n  const diagnostics = [];\n  for (const locale of i18n.inlineLocales) {\n    const isSourceLocale = locale === i18n.sourceLocale;\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    const translations: any = isSourceLocale ? {} : i18n.locales[locale].translation || {};\n    let localeDataContent;\n    if (options.setLocale) {\n      // If locale data is provided, load it and prepend to file\n      const localeDataPath = i18n.locales[locale]?.dataPath;\n      if (localeDataPath) {\n        localeDataContent = await loadLocaleData(localeDataPath, true);\n      }\n    }\n\n    const { diagnostics: localeDiagnostics, plugins } = await createI18nPlugins(\n      locale,\n      translations,\n      isSourceLocale ? 'ignore' : options.missingTranslation || 'warning',\n      true,\n      localeDataContent,\n    );\n    const transformResult = await transformFromAstSync(ast, options.code, {\n      filename: options.filename,\n      // using false ensures that babel will NOT search and process sourcemap comments (large memory usage)\n      // The types do not include the false option even though it is valid\n      // eslint-disable-next-line @typescript-eslint/no-explicit-any\n      inputSourceMap: false as any,\n      babelrc: false,\n      configFile: false,\n      plugins,\n      compact: !shouldBeautify,\n      sourceMaps: !!options.map,\n    });\n\n    diagnostics.push(...localeDiagnostics.messages);\n\n    if (!transformResult || !transformResult.code) {\n      throw new Error(`Unknown error occurred processing bundle for \"${options.filename}\".`);\n    }\n\n    const outputPath = path.join(\n      options.outputPath,\n      i18n.flatOutput ? '' : locale,\n      options.filename,\n    );\n    await fs.writeFile(outputPath, transformResult.code);\n\n    if (options.map && transformResult.map) {\n      const outputMap = remapping([transformResult.map as SourceMapInput, options.map], () => null);\n\n      await fs.writeFile(outputPath + '.map', JSON.stringify(outputMap));\n    }\n  }\n\n  return { file: options.filename, diagnostics };\n}\n\nasync function inlineLocalesDirect(ast: ParseResult, options: InlineOptions) {\n  if (!i18n || i18n.inlineLocales.size === 0) {\n    return { file: options.filename, diagnostics: [], count: 0 };\n  }\n\n  const { default: generate } = await import('@babel/generator');\n  const localizeDiag = await loadLocalizeTools();\n  const diagnostics = new localizeDiag.Diagnostics();\n\n  const positions = findLocalizePositions(ast, options, localizeDiag);\n  if (positions.length === 0 && !options.setLocale) {\n    return inlineCopyOnly(options);\n  }\n\n  const inputMap = !!options.map && (JSON.parse(options.map) as { sourceRoot?: string });\n  // Cleanup source root otherwise it will be added to each source entry\n  const mapSourceRoot = inputMap && inputMap.sourceRoot;\n  if (inputMap) {\n    delete inputMap.sourceRoot;\n  }\n\n  // Load Webpack only when needed\n  if (webpackSources === undefined) {\n    webpackSources = (await import('webpack')).sources;\n  }\n  const { ConcatSource, OriginalSource, ReplaceSource, SourceMapSource } = webpackSources;\n\n  for (const locale of i18n.inlineLocales) {\n    const content = new ReplaceSource(\n      inputMap\n        ? new SourceMapSource(options.code, options.filename, inputMap)\n        : new OriginalSource(options.code, options.filename),\n    );\n\n    const isSourceLocale = locale === i18n.sourceLocale;\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    const translations: any = isSourceLocale ? {} : i18n.locales[locale].translation || {};\n    for (const position of positions) {\n      const translated = localizeDiag.translate(\n        diagnostics,\n        translations,\n        position.messageParts,\n        position.expressions,\n        isSourceLocale ? 'ignore' : options.missingTranslation || 'warning',\n      );\n\n      const expression = localizeDiag.buildLocalizeReplacement(translated[0], translated[1]);\n      const { code } = generate(expression);\n\n      content.replace(position.start, position.end - 1, code);\n    }\n\n    let outputSource: import('webpack').sources.Source = content;\n    if (options.setLocale) {\n      const setLocaleText = `globalThis.$localize=Object.assign(globalThis.$localize || {},{locale:\"${locale}\"});\\n`;\n\n      // If locale data is provided, load it and prepend to file\n      let localeDataSource;\n      const localeDataPath = i18n.locales[locale] && i18n.locales[locale].dataPath;\n      if (localeDataPath) {\n        const localeDataContent = await loadLocaleData(localeDataPath, true);\n        localeDataSource = new OriginalSource(localeDataContent, path.basename(localeDataPath));\n      }\n\n      outputSource = localeDataSource\n        ? // The semicolon ensures that there is no syntax error between statements\n          new ConcatSource(setLocaleText, localeDataSource, ';\\n', content)\n        : new ConcatSource(setLocaleText, content);\n    }\n\n    const { source: outputCode, map: outputMap } = outputSource.sourceAndMap() as {\n      source: string;\n      map: { file: string; sourceRoot?: string };\n    };\n    const outputPath = path.join(\n      options.outputPath,\n      i18n.flatOutput ? '' : locale,\n      options.filename,\n    );\n    await fs.writeFile(outputPath, outputCode);\n\n    if (inputMap && outputMap) {\n      outputMap.file = options.filename;\n      if (mapSourceRoot) {\n        outputMap.sourceRoot = mapSourceRoot;\n      }\n      await fs.writeFile(outputPath + '.map', JSON.stringify(outputMap));\n    }\n  }\n\n  return { file: options.filename, diagnostics: diagnostics.messages, count: positions.length };\n}\n\nasync function inlineCopyOnly(options: InlineOptions) {\n  if (!i18n) {\n    throw new Error('i18n options are missing');\n  }\n\n  for (const locale of i18n.inlineLocales) {\n    const outputPath = path.join(\n      options.outputPath,\n      i18n.flatOutput ? '' : locale,\n      options.filename,\n    );\n    await fs.writeFile(outputPath, options.code);\n    if (options.map) {\n      await fs.writeFile(outputPath + '.map', options.map);\n    }\n  }\n\n  return { file: options.filename, diagnostics: [], count: 0 };\n}\n\nfunction findLocalizePositions(\n  ast: ParseResult,\n  options: InlineOptions,\n  utils: LocalizeUtilityModule,\n): LocalizePosition[] {\n  const positions: LocalizePosition[] = [];\n\n  // Workaround to ensure a path hub is present for traversal\n  const { File } = require('@babel/core');\n  const file = new File({}, { code: options.code, ast });\n\n  traverse(file.ast, {\n    TaggedTemplateExpression(path) {\n      if (types.isIdentifier(path.node.tag) && path.node.tag.name === localizeName) {\n        const [messageParts, expressions] = unwrapTemplateLiteral(path, utils);\n        positions.push({\n          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n          start: path.node.start!,\n          // eslint-disable-next-line @typescript-eslint/no-non-null-assertion\n          end: path.node.end!,\n          messageParts,\n          expressions,\n        });\n      }\n    },\n  });\n\n  return positions;\n}\n\nfunction unwrapTemplateLiteral(\n  path: NodePath<types.TaggedTemplateExpression>,\n  utils: LocalizeUtilityModule,\n): [TemplateStringsArray, types.Expression[]] {\n  const [messageParts] = utils.unwrapMessagePartsFromTemplateLiteral(\n    path.get('quasi').get('quasis'),\n  );\n  const [expressions] = utils.unwrapExpressionsFromTemplateLiteral(path.get('quasi'));\n\n  return [messageParts, expressions];\n}\n\nfunction unwrapLocalizeCall(\n  path: NodePath<types.CallExpression>,\n  utils: LocalizeUtilityModule,\n): [TemplateStringsArray, types.Expression[]] {\n  const [messageParts] = utils.unwrapMessagePartsFromLocalizeCall(path);\n  const [expressions] = utils.unwrapSubstitutionsFromLocalizeCall(path);\n\n  return [messageParts, expressions];\n}\n\nasync function loadLocaleData(path: string, optimize: boolean): Promise<string> {\n  // The path is validated during option processing before the build starts\n  const content = await fs.readFile(path, 'utf8');\n\n  // Downlevel and optimize the data\n  const transformResult = await transformAsync(content, {\n    filename: path,\n    // The types do not include the false option even though it is valid\n    // eslint-disable-next-line @typescript-eslint/no-explicit-any\n    inputSourceMap: false as any,\n    babelrc: false,\n    configFile: false,\n    presets: [\n      [\n        require.resolve('@babel/preset-env'),\n        {\n          bugfixes: true,\n          targets: { esmodules: true },\n        },\n      ],\n    ],\n    minified: allowMinify && optimize,\n    compact: !shouldBeautify && optimize,\n    comments: !optimize,\n  });\n\n  if (!transformResult || !transformResult.code) {\n    throw new Error(`Unknown error occurred processing bundle for \"${path}\".`);\n  }\n\n  return transformResult.code;\n}\n"]}