index.js 9.9 KB

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  1. 'use strict';
  2. Object.defineProperty(exports, '__esModule', {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. function _crypto() {
  7. const data = require('crypto');
  8. _crypto = function () {
  9. return data;
  10. };
  11. return data;
  12. }
  13. function path() {
  14. const data = _interopRequireWildcard(require('path'));
  15. path = function () {
  16. return data;
  17. };
  18. return data;
  19. }
  20. function _core() {
  21. const data = require('@babel/core');
  22. _core = function () {
  23. return data;
  24. };
  25. return data;
  26. }
  27. function _chalk() {
  28. const data = _interopRequireDefault(require('chalk'));
  29. _chalk = function () {
  30. return data;
  31. };
  32. return data;
  33. }
  34. function fs() {
  35. const data = _interopRequireWildcard(require('graceful-fs'));
  36. fs = function () {
  37. return data;
  38. };
  39. return data;
  40. }
  41. function _slash() {
  42. const data = _interopRequireDefault(require('slash'));
  43. _slash = function () {
  44. return data;
  45. };
  46. return data;
  47. }
  48. var _loadBabelConfig = require('./loadBabelConfig');
  49. function _interopRequireDefault(obj) {
  50. return obj && obj.__esModule ? obj : {default: obj};
  51. }
  52. function _getRequireWildcardCache(nodeInterop) {
  53. if (typeof WeakMap !== 'function') return null;
  54. var cacheBabelInterop = new WeakMap();
  55. var cacheNodeInterop = new WeakMap();
  56. return (_getRequireWildcardCache = function (nodeInterop) {
  57. return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
  58. })(nodeInterop);
  59. }
  60. function _interopRequireWildcard(obj, nodeInterop) {
  61. if (!nodeInterop && obj && obj.__esModule) {
  62. return obj;
  63. }
  64. if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
  65. return {default: obj};
  66. }
  67. var cache = _getRequireWildcardCache(nodeInterop);
  68. if (cache && cache.has(obj)) {
  69. return cache.get(obj);
  70. }
  71. var newObj = {};
  72. var hasPropertyDescriptor =
  73. Object.defineProperty && Object.getOwnPropertyDescriptor;
  74. for (var key in obj) {
  75. if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
  76. var desc = hasPropertyDescriptor
  77. ? Object.getOwnPropertyDescriptor(obj, key)
  78. : null;
  79. if (desc && (desc.get || desc.set)) {
  80. Object.defineProperty(newObj, key, desc);
  81. } else {
  82. newObj[key] = obj[key];
  83. }
  84. }
  85. }
  86. newObj.default = obj;
  87. if (cache) {
  88. cache.set(obj, newObj);
  89. }
  90. return newObj;
  91. }
  92. /**
  93. * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
  94. *
  95. * This source code is licensed under the MIT license found in the
  96. * LICENSE file in the root directory of this source tree.
  97. */
  98. const THIS_FILE = fs().readFileSync(__filename);
  99. const jestPresetPath = require.resolve('babel-preset-jest');
  100. const babelIstanbulPlugin = require.resolve('babel-plugin-istanbul');
  101. function assertLoadedBabelConfig(babelConfig, cwd, filename) {
  102. if (!babelConfig) {
  103. throw new Error(
  104. `babel-jest: Babel ignores ${_chalk().default.bold(
  105. (0, _slash().default)(path().relative(cwd, filename))
  106. )} - make sure to include the file in Jest's ${_chalk().default.bold(
  107. 'transformIgnorePatterns'
  108. )} as well.`
  109. );
  110. }
  111. }
  112. function addIstanbulInstrumentation(babelOptions, transformOptions) {
  113. if (transformOptions.instrument) {
  114. const copiedBabelOptions = {...babelOptions};
  115. copiedBabelOptions.auxiliaryCommentBefore = ' istanbul ignore next '; // Copied from jest-runtime transform.js
  116. copiedBabelOptions.plugins = (copiedBabelOptions.plugins || []).concat([
  117. [
  118. babelIstanbulPlugin,
  119. {
  120. // files outside `cwd` will not be instrumented
  121. cwd: transformOptions.config.cwd,
  122. exclude: []
  123. }
  124. ]
  125. ]);
  126. return copiedBabelOptions;
  127. }
  128. return babelOptions;
  129. }
  130. function getCacheKeyFromConfig(
  131. sourceText,
  132. sourcePath,
  133. babelOptions,
  134. transformOptions
  135. ) {
  136. const {config, configString, instrument} = transformOptions;
  137. const configPath = [babelOptions.config || '', babelOptions.babelrc || ''];
  138. return (0, _crypto().createHash)('md5')
  139. .update(THIS_FILE)
  140. .update('\0', 'utf8')
  141. .update(JSON.stringify(babelOptions.options))
  142. .update('\0', 'utf8')
  143. .update(sourceText)
  144. .update('\0', 'utf8')
  145. .update(path().relative(config.rootDir, sourcePath))
  146. .update('\0', 'utf8')
  147. .update(configString)
  148. .update('\0', 'utf8')
  149. .update(configPath.join(''))
  150. .update('\0', 'utf8')
  151. .update(instrument ? 'instrument' : '')
  152. .update('\0', 'utf8')
  153. .update(process.env.NODE_ENV || '')
  154. .update('\0', 'utf8')
  155. .update(process.env.BABEL_ENV || '')
  156. .update('\0', 'utf8')
  157. .update(process.version)
  158. .digest('hex');
  159. }
  160. function loadBabelConfig(cwd, filename, transformOptions) {
  161. const babelConfig = (0, _loadBabelConfig.loadPartialConfig)(transformOptions);
  162. assertLoadedBabelConfig(babelConfig, cwd, filename);
  163. return babelConfig;
  164. }
  165. async function loadBabelConfigAsync(cwd, filename, transformOptions) {
  166. const babelConfig = await (0, _loadBabelConfig.loadPartialConfigAsync)(
  167. transformOptions
  168. );
  169. assertLoadedBabelConfig(babelConfig, cwd, filename);
  170. return babelConfig;
  171. }
  172. function loadBabelOptions(
  173. cwd,
  174. filename,
  175. transformOptions,
  176. jestTransformOptions
  177. ) {
  178. const {options} = loadBabelConfig(cwd, filename, transformOptions);
  179. return addIstanbulInstrumentation(options, jestTransformOptions);
  180. }
  181. async function loadBabelOptionsAsync(
  182. cwd,
  183. filename,
  184. transformOptions,
  185. jestTransformOptions
  186. ) {
  187. const {options} = await loadBabelConfigAsync(cwd, filename, transformOptions);
  188. return addIstanbulInstrumentation(options, jestTransformOptions);
  189. }
  190. const createTransformer = userOptions => {
  191. var _inputOptions$plugins, _inputOptions$presets;
  192. const inputOptions =
  193. userOptions !== null && userOptions !== void 0 ? userOptions : {};
  194. const options = {
  195. ...inputOptions,
  196. caller: {
  197. name: 'babel-jest',
  198. supportsDynamicImport: false,
  199. supportsExportNamespaceFrom: false,
  200. supportsStaticESM: false,
  201. supportsTopLevelAwait: false,
  202. ...inputOptions.caller
  203. },
  204. compact: false,
  205. plugins:
  206. (_inputOptions$plugins = inputOptions.plugins) !== null &&
  207. _inputOptions$plugins !== void 0
  208. ? _inputOptions$plugins
  209. : [],
  210. presets: ((_inputOptions$presets = inputOptions.presets) !== null &&
  211. _inputOptions$presets !== void 0
  212. ? _inputOptions$presets
  213. : []
  214. ).concat(jestPresetPath),
  215. sourceMaps: 'both'
  216. };
  217. function mergeBabelTransformOptions(filename, transformOptions) {
  218. var _transformOptions$sup,
  219. _transformOptions$sup2,
  220. _transformOptions$sup3,
  221. _transformOptions$sup4;
  222. const {cwd} = transformOptions.config; // `cwd` first to allow incoming options to override it
  223. return {
  224. cwd,
  225. ...options,
  226. caller: {
  227. ...options.caller,
  228. supportsDynamicImport:
  229. (_transformOptions$sup = transformOptions.supportsDynamicImport) !==
  230. null && _transformOptions$sup !== void 0
  231. ? _transformOptions$sup
  232. : options.caller.supportsDynamicImport,
  233. supportsExportNamespaceFrom:
  234. (_transformOptions$sup2 =
  235. transformOptions.supportsExportNamespaceFrom) !== null &&
  236. _transformOptions$sup2 !== void 0
  237. ? _transformOptions$sup2
  238. : options.caller.supportsExportNamespaceFrom,
  239. supportsStaticESM:
  240. (_transformOptions$sup3 = transformOptions.supportsStaticESM) !==
  241. null && _transformOptions$sup3 !== void 0
  242. ? _transformOptions$sup3
  243. : options.caller.supportsStaticESM,
  244. supportsTopLevelAwait:
  245. (_transformOptions$sup4 = transformOptions.supportsTopLevelAwait) !==
  246. null && _transformOptions$sup4 !== void 0
  247. ? _transformOptions$sup4
  248. : options.caller.supportsTopLevelAwait
  249. },
  250. filename
  251. };
  252. }
  253. return {
  254. canInstrument: true,
  255. getCacheKey(sourceText, sourcePath, transformOptions) {
  256. const babelOptions = loadBabelConfig(
  257. transformOptions.config.cwd,
  258. sourcePath,
  259. mergeBabelTransformOptions(sourcePath, transformOptions)
  260. );
  261. return getCacheKeyFromConfig(
  262. sourceText,
  263. sourcePath,
  264. babelOptions,
  265. transformOptions
  266. );
  267. },
  268. async getCacheKeyAsync(sourceText, sourcePath, transformOptions) {
  269. const babelOptions = await loadBabelConfigAsync(
  270. transformOptions.config.cwd,
  271. sourcePath,
  272. mergeBabelTransformOptions(sourcePath, transformOptions)
  273. );
  274. return getCacheKeyFromConfig(
  275. sourceText,
  276. sourcePath,
  277. babelOptions,
  278. transformOptions
  279. );
  280. },
  281. process(sourceText, sourcePath, transformOptions) {
  282. const babelOptions = loadBabelOptions(
  283. transformOptions.config.cwd,
  284. sourcePath,
  285. mergeBabelTransformOptions(sourcePath, transformOptions),
  286. transformOptions
  287. );
  288. const transformResult = (0, _core().transformSync)(
  289. sourceText,
  290. babelOptions
  291. );
  292. if (transformResult) {
  293. const {code, map} = transformResult;
  294. if (typeof code === 'string') {
  295. return {
  296. code,
  297. map
  298. };
  299. }
  300. }
  301. return sourceText;
  302. },
  303. async processAsync(sourceText, sourcePath, transformOptions) {
  304. const babelOptions = await loadBabelOptionsAsync(
  305. transformOptions.config.cwd,
  306. sourcePath,
  307. mergeBabelTransformOptions(sourcePath, transformOptions),
  308. transformOptions
  309. );
  310. const transformResult = await (0, _core().transformAsync)(
  311. sourceText,
  312. babelOptions
  313. );
  314. if (transformResult) {
  315. const {code, map} = transformResult;
  316. if (typeof code === 'string') {
  317. return {
  318. code,
  319. map
  320. };
  321. }
  322. }
  323. return sourceText;
  324. }
  325. };
  326. };
  327. const transformer = {
  328. ...createTransformer(),
  329. // Assigned here so only the exported transformer has `createTransformer`,
  330. // instead of all created transformers by the function
  331. createTransformer
  332. };
  333. var _default = transformer;
  334. exports.default = _default;