1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.revert = revert;
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7 | exports.default = register;
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8 |
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9 | var _cloneDeep = _interopRequireDefault(require("lodash/cloneDeep"));
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10 |
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11 | var _sourceMapSupport = _interopRequireDefault(require("source-map-support"));
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12 |
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13 | var registerCache = _interopRequireWildcard(require("./cache"));
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14 |
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15 | var babel = _interopRequireWildcard(require("@babel/core"));
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16 |
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17 | var _pirates = require("pirates");
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18 |
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19 | var _fs = _interopRequireDefault(require("fs"));
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20 |
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21 | var _path = _interopRequireDefault(require("path"));
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22 |
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23 | var _module = _interopRequireDefault(require("module"));
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24 |
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25 | var _escapeRegexp = _interopRequireDefault(require("./escape-regexp.cjs"));
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26 |
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27 | function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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28 |
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29 | function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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; }
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30 |
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31 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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32 |
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33 | const maps = {};
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34 | let transformOpts = {};
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35 | let piratesRevert = null;
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36 |
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37 | function installSourceMapSupport() {
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38 | _sourceMapSupport.default.install({
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39 | handleUncaughtExceptions: false,
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40 | environment: "node",
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41 |
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42 | retrieveSourceMap(source) {
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43 | const map = maps && maps[source];
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44 |
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45 | if (map) {
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46 | return {
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47 | url: null,
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48 | map: map
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49 | };
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50 | } else {
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51 | return null;
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52 | }
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53 | }
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54 |
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55 | });
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56 | }
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57 |
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58 | let cache;
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59 |
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60 | function mtime(filename) {
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61 | return +_fs.default.statSync(filename).mtime;
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62 | }
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63 |
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64 | function compile(code, filename) {
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65 | const opts = new babel.OptionManager().init(Object.assign({
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66 | sourceRoot: _path.default.dirname(filename) + _path.default.sep
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67 | }, (0, _cloneDeep.default)(transformOpts), {
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68 | filename
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69 | }));
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70 | if (opts === null) return code;
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71 | let cacheKey = `${JSON.stringify(opts)}:${babel.version}`;
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72 | const env = babel.getEnv(false);
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73 | if (env) cacheKey += `:${env}`;
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74 | let cached = cache && cache[cacheKey];
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75 |
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76 | if (!cached || cached.mtime !== mtime(filename)) {
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77 | cached = babel.transform(code, Object.assign({}, opts, {
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78 | sourceMaps: opts.sourceMaps === undefined ? "both" : opts.sourceMaps,
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79 | ast: false
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80 | }));
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81 |
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82 | if (cache) {
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83 | cache[cacheKey] = cached;
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84 | cached.mtime = mtime(filename);
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85 | registerCache.setDirty();
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86 | }
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87 | }
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88 |
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89 | if (cached.map) {
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90 | if (Object.keys(maps).length === 0) {
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91 | installSourceMapSupport();
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92 | }
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93 |
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94 | maps[filename] = cached.map;
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95 | }
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96 |
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97 | return cached.code;
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98 | }
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99 |
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100 | let compiling = false;
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101 | const internalModuleCache = _module.default._cache;
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102 |
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103 | function compileHook(code, filename) {
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104 | if (compiling) return code;
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105 | const globalModuleCache = _module.default._cache;
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106 |
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107 | try {
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108 | compiling = true;
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109 | _module.default._cache = internalModuleCache;
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110 | return compile(code, filename);
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111 | } finally {
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112 | compiling = false;
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113 | _module.default._cache = globalModuleCache;
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114 | }
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115 | }
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116 |
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117 | function hookExtensions(exts) {
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118 | if (piratesRevert) piratesRevert();
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119 | piratesRevert = (0, _pirates.addHook)(compileHook, {
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120 | exts,
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121 | ignoreNodeModules: false
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122 | });
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123 | }
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124 |
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125 | function revert() {
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126 | if (piratesRevert) piratesRevert();
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127 | }
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128 |
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129 | function register(opts = {}) {
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130 | opts = Object.assign({}, opts);
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131 | hookExtensions(opts.extensions || babel.DEFAULT_EXTENSIONS);
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132 |
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133 | if (opts.cache === false && cache) {
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134 | registerCache.clear();
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135 | cache = null;
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136 | } else if (opts.cache !== false && !cache) {
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137 | registerCache.load();
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138 | cache = registerCache.get();
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139 | }
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140 |
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141 | delete opts.extensions;
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142 | delete opts.cache;
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143 | transformOpts = Object.assign({}, opts, {
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144 | caller: Object.assign({
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145 | name: "@babel/register"
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146 | }, opts.caller || {})
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147 | });
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148 | let {
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149 | cwd = "."
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150 | } = transformOpts;
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151 | cwd = transformOpts.cwd = _path.default.resolve(cwd);
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152 |
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153 | if (transformOpts.ignore === undefined && transformOpts.only === undefined) {
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154 | transformOpts.only = [new RegExp("^" + (0, _escapeRegexp.default)(cwd), "i")];
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155 | transformOpts.ignore = [new RegExp("^" + (0, _escapeRegexp.default)(cwd) + "(?:" + _path.default.sep + ".*)?" + (0, _escapeRegexp.default)(_path.default.sep + "node_modules" + _path.default.sep), "i")];
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156 | }
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157 | } |
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