1 | 'use strict';
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2 |
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3 | var _crypto;
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4 |
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5 | function _load_crypto() {
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6 | return _crypto = _interopRequireDefault(require('crypto'));
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7 | }
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8 |
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9 | var _fs;
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10 |
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11 | function _load_fs() {
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12 | return _fs = _interopRequireDefault(require('fs'));
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13 | }
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14 |
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15 | var _path;
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16 |
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17 | function _load_path() {
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18 | return _path = _interopRequireDefault(require('path'));
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19 | }
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20 |
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21 | var _babelPresetJest;
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22 |
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23 | function _load_babelPresetJest() {
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24 | return _babelPresetJest = _interopRequireDefault(require('babel-preset-jest'));
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25 | }
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26 |
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27 | var _babelCore;
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28 |
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29 | function _load_babelCore() {
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30 | return _babelCore = require('babel-core');
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31 | }
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32 |
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33 | var _babelPluginIstanbul;
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34 |
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35 | function _load_babelPluginIstanbul() {
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36 | return _babelPluginIstanbul = _interopRequireDefault(require('babel-plugin-istanbul'));
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37 | }
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38 |
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39 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 |
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48 |
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49 |
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50 | const BABELRC_FILENAME = '.babelrc';
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51 | const BABELRC_JS_FILENAME = '.babelrc.js';
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52 | const BABEL_CONFIG_KEY = 'babel';
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53 | const PACKAGE_JSON = 'package.json';
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54 | const THIS_FILE = (_fs || _load_fs()).default.readFileSync(__filename);
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55 |
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56 | const createTransformer = options => {
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57 | const cache = Object.create(null);
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58 |
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59 | const getBabelRC = filename => {
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60 | const paths = [];
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61 | let directory = filename;
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62 | while (directory !== (directory = (_path || _load_path()).default.dirname(directory))) {
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63 | if (cache[directory]) {
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64 | break;
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65 | }
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66 |
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67 | paths.push(directory);
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68 | const configFilePath = (_path || _load_path()).default.join(directory, BABELRC_FILENAME);
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69 | if ((_fs || _load_fs()).default.existsSync(configFilePath)) {
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70 | cache[directory] = (_fs || _load_fs()).default.readFileSync(configFilePath, 'utf8');
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71 | break;
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72 | }
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73 | const configJsFilePath = (_path || _load_path()).default.join(directory, BABELRC_JS_FILENAME);
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74 | if ((_fs || _load_fs()).default.existsSync(configJsFilePath)) {
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75 |
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76 | cache[directory] = JSON.stringify(require(configJsFilePath));
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77 | break;
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78 | }
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79 | const resolvedJsonFilePath = (_path || _load_path()).default.join(directory, PACKAGE_JSON);
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80 | const packageJsonFilePath = resolvedJsonFilePath === PACKAGE_JSON ? (_path || _load_path()).default.resolve(directory, PACKAGE_JSON) : resolvedJsonFilePath;
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81 | if ((_fs || _load_fs()).default.existsSync(packageJsonFilePath)) {
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82 |
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83 | const packageJsonFileContents = require(packageJsonFilePath);
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84 | if (packageJsonFileContents[BABEL_CONFIG_KEY]) {
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85 | cache[directory] = JSON.stringify(packageJsonFileContents[BABEL_CONFIG_KEY]);
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86 | break;
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87 | }
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88 | }
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89 | }
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90 | paths.forEach(directoryPath => cache[directoryPath] = cache[directory]);
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91 | return cache[directory] || '';
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92 | };
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93 |
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94 | options = Object.assign({}, options, {
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95 | plugins: options && options.plugins || [],
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96 | presets: (options && options.presets || []).concat([(_babelPresetJest || _load_babelPresetJest()).default]),
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97 | sourceMaps: 'both'
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98 | });
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99 | delete options.cacheDirectory;
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100 | delete options.filename;
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101 |
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102 | return {
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103 | canInstrument: true,
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104 | getCacheKey(fileData, filename, configString, _ref) {
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105 | let instrument = _ref.instrument,
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106 | rootDir = _ref.rootDir;
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107 |
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108 | return (_crypto || _load_crypto()).default.createHash('md5').update(THIS_FILE).update('\0', 'utf8').update(fileData).update('\0', 'utf8').update((_path || _load_path()).default.relative(rootDir, filename)).update('\0', 'utf8').update(configString).update('\0', 'utf8').update(getBabelRC(filename)).update('\0', 'utf8').update(instrument ? 'instrument' : '').digest('hex');
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109 | },
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110 | process(src, filename, config, transformOptions) {
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111 | const altExts = config.moduleFileExtensions.map(extension => '.' + extension);
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112 | if ((_babelCore || _load_babelCore()).util && !(_babelCore || _load_babelCore()).util.canCompile(filename, altExts)) {
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113 | return src;
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114 | }
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115 |
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116 | const theseOptions = Object.assign({ filename }, options);
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117 | if (transformOptions && transformOptions.instrument) {
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118 | theseOptions.auxiliaryCommentBefore = ' istanbul ignore next ';
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119 |
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120 | theseOptions.plugins = theseOptions.plugins.concat([[(_babelPluginIstanbul || _load_babelPluginIstanbul()).default, {
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121 |
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122 | cwd: config.rootDir,
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123 | exclude: []
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124 | }]]);
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125 | }
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126 |
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127 |
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128 | const transformResult = (0, (_babelCore || _load_babelCore()).transform)(src, theseOptions);
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129 |
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130 | if (!transformResult) {
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131 | return src;
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132 | }
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133 |
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134 | const shouldReturnCodeOnly = transformOptions == null || transformOptions.returnSourceString == null || transformOptions.returnSourceString === true;
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135 |
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136 | return shouldReturnCodeOnly ? transformResult.code : transformResult;
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137 | }
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138 | };
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139 | };
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140 |
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141 | module.exports = createTransformer();
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142 | module.exports.createTransformer = createTransformer; |
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