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- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.default = exports.createTransformer = void 0;
- function _crypto() {
- const data = require('crypto');
- _crypto = function () {
- return data;
- };
- return data;
- }
- function path() {
- const data = _interopRequireWildcard(require('path'));
- path = function () {
- return data;
- };
- return data;
- }
- function _core() {
- const data = require('@babel/core');
- _core = function () {
- return data;
- };
- return data;
- }
- function _chalk() {
- const data = _interopRequireDefault(require('chalk'));
- _chalk = function () {
- return data;
- };
- return data;
- }
- function fs() {
- const data = _interopRequireWildcard(require('graceful-fs'));
- fs = function () {
- return data;
- };
- return data;
- }
- function _slash() {
- const data = _interopRequireDefault(require('slash'));
- _slash = function () {
- return data;
- };
- return data;
- }
- var _loadBabelConfig = require('./loadBabelConfig');
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- function _getRequireWildcardCache(nodeInterop) {
- if (typeof WeakMap !== 'function') return null;
- var cacheBabelInterop = new WeakMap();
- var cacheNodeInterop = new WeakMap();
- return (_getRequireWildcardCache = function (nodeInterop) {
- return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
- })(nodeInterop);
- }
- function _interopRequireWildcard(obj, nodeInterop) {
- if (!nodeInterop && obj && obj.__esModule) {
- return obj;
- }
- if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
- return {default: obj};
- }
- var cache = _getRequireWildcardCache(nodeInterop);
- if (cache && cache.has(obj)) {
- return cache.get(obj);
- }
- var newObj = {};
- var hasPropertyDescriptor =
- Object.defineProperty && Object.getOwnPropertyDescriptor;
- for (var key in obj) {
- if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
- var desc = hasPropertyDescriptor
- ? Object.getOwnPropertyDescriptor(obj, key)
- : null;
- if (desc && (desc.get || desc.set)) {
- Object.defineProperty(newObj, key, desc);
- } else {
- newObj[key] = obj[key];
- }
- }
- }
- newObj.default = obj;
- if (cache) {
- cache.set(obj, newObj);
- }
- return newObj;
- }
- /**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
- const THIS_FILE = fs().readFileSync(__filename);
- const jestPresetPath = require.resolve('babel-preset-jest');
- const babelIstanbulPlugin = require.resolve('babel-plugin-istanbul');
- function assertLoadedBabelConfig(babelConfig, cwd, filename) {
- if (!babelConfig) {
- throw new Error(
- `babel-jest: Babel ignores ${_chalk().default.bold(
- (0, _slash().default)(path().relative(cwd, filename))
- )} - make sure to include the file in Jest's ${_chalk().default.bold(
- 'transformIgnorePatterns'
- )} as well.`
- );
- }
- }
- function addIstanbulInstrumentation(babelOptions, transformOptions) {
- if (transformOptions.instrument) {
- const copiedBabelOptions = {
- ...babelOptions
- };
- copiedBabelOptions.auxiliaryCommentBefore = ' istanbul ignore next ';
- // Copied from jest-runtime transform.js
- copiedBabelOptions.plugins = (copiedBabelOptions.plugins ?? []).concat([
- [
- babelIstanbulPlugin,
- {
- // files outside `cwd` will not be instrumented
- cwd: transformOptions.config.cwd,
- exclude: []
- }
- ]
- ]);
- return copiedBabelOptions;
- }
- return babelOptions;
- }
- function getCacheKeyFromConfig(
- sourceText,
- sourcePath,
- babelOptions,
- transformOptions
- ) {
- const {config, configString, instrument} = transformOptions;
- const configPath = [babelOptions.config ?? '', babelOptions.babelrc ?? ''];
- return (0, _crypto().createHash)('sha1')
- .update(THIS_FILE)
- .update('\0', 'utf8')
- .update(JSON.stringify(babelOptions.options))
- .update('\0', 'utf8')
- .update(sourceText)
- .update('\0', 'utf8')
- .update(path().relative(config.rootDir, sourcePath))
- .update('\0', 'utf8')
- .update(configString)
- .update('\0', 'utf8')
- .update(configPath.join(''))
- .update('\0', 'utf8')
- .update(instrument ? 'instrument' : '')
- .update('\0', 'utf8')
- .update(process.env.NODE_ENV ?? '')
- .update('\0', 'utf8')
- .update(process.env.BABEL_ENV ?? '')
- .update('\0', 'utf8')
- .update(process.version)
- .digest('hex')
- .substring(0, 32);
- }
- function loadBabelConfig(cwd, filename, transformOptions) {
- const babelConfig = (0, _loadBabelConfig.loadPartialConfig)(transformOptions);
- assertLoadedBabelConfig(babelConfig, cwd, filename);
- return babelConfig;
- }
- async function loadBabelConfigAsync(cwd, filename, transformOptions) {
- const babelConfig = await (0, _loadBabelConfig.loadPartialConfigAsync)(
- transformOptions
- );
- assertLoadedBabelConfig(babelConfig, cwd, filename);
- return babelConfig;
- }
- function loadBabelOptions(
- cwd,
- filename,
- transformOptions,
- jestTransformOptions
- ) {
- const {options} = loadBabelConfig(cwd, filename, transformOptions);
- return addIstanbulInstrumentation(options, jestTransformOptions);
- }
- async function loadBabelOptionsAsync(
- cwd,
- filename,
- transformOptions,
- jestTransformOptions
- ) {
- const {options} = await loadBabelConfigAsync(cwd, filename, transformOptions);
- return addIstanbulInstrumentation(options, jestTransformOptions);
- }
- const createTransformer = userOptions => {
- const inputOptions = userOptions ?? {};
- const options = {
- ...inputOptions,
- caller: {
- name: 'babel-jest',
- supportsDynamicImport: false,
- supportsExportNamespaceFrom: false,
- supportsStaticESM: false,
- supportsTopLevelAwait: false,
- ...inputOptions.caller
- },
- compact: false,
- plugins: inputOptions.plugins ?? [],
- presets: (inputOptions.presets ?? []).concat(jestPresetPath),
- sourceMaps: 'both'
- };
- function mergeBabelTransformOptions(filename, transformOptions) {
- const {cwd, rootDir} = transformOptions.config;
- // `cwd` and `root` first to allow incoming options to override it
- return {
- cwd,
- root: rootDir,
- ...options,
- caller: {
- ...options.caller,
- supportsDynamicImport:
- transformOptions.supportsDynamicImport ??
- options.caller.supportsDynamicImport,
- supportsExportNamespaceFrom:
- transformOptions.supportsExportNamespaceFrom ??
- options.caller.supportsExportNamespaceFrom,
- supportsStaticESM:
- transformOptions.supportsStaticESM ??
- options.caller.supportsStaticESM,
- supportsTopLevelAwait:
- transformOptions.supportsTopLevelAwait ??
- options.caller.supportsTopLevelAwait
- },
- filename
- };
- }
- return {
- canInstrument: true,
- getCacheKey(sourceText, sourcePath, transformOptions) {
- const babelOptions = loadBabelConfig(
- transformOptions.config.cwd,
- sourcePath,
- mergeBabelTransformOptions(sourcePath, transformOptions)
- );
- return getCacheKeyFromConfig(
- sourceText,
- sourcePath,
- babelOptions,
- transformOptions
- );
- },
- async getCacheKeyAsync(sourceText, sourcePath, transformOptions) {
- const babelOptions = await loadBabelConfigAsync(
- transformOptions.config.cwd,
- sourcePath,
- mergeBabelTransformOptions(sourcePath, transformOptions)
- );
- return getCacheKeyFromConfig(
- sourceText,
- sourcePath,
- babelOptions,
- transformOptions
- );
- },
- process(sourceText, sourcePath, transformOptions) {
- const babelOptions = loadBabelOptions(
- transformOptions.config.cwd,
- sourcePath,
- mergeBabelTransformOptions(sourcePath, transformOptions),
- transformOptions
- );
- const transformResult = (0, _core().transformSync)(
- sourceText,
- babelOptions
- );
- if (transformResult) {
- const {code, map} = transformResult;
- if (typeof code === 'string') {
- return {
- code,
- map
- };
- }
- }
- return {
- code: sourceText
- };
- },
- async processAsync(sourceText, sourcePath, transformOptions) {
- const babelOptions = await loadBabelOptionsAsync(
- transformOptions.config.cwd,
- sourcePath,
- mergeBabelTransformOptions(sourcePath, transformOptions),
- transformOptions
- );
- const transformResult = await (0, _core().transformAsync)(
- sourceText,
- babelOptions
- );
- if (transformResult) {
- const {code, map} = transformResult;
- if (typeof code === 'string') {
- return {
- code,
- map
- };
- }
- }
- return {
- code: sourceText
- };
- }
- };
- };
- exports.createTransformer = createTransformer;
- const transformerFactory = {
- // Assigned here, instead of as a separate export, due to limitations in Jest's
- // requireOrImportModule, requiring all exports to be on the `default` export
- createTransformer
- };
- var _default = transformerFactory;
- exports.default = _default;
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