babel-jest/build/index.js

'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;