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.buildPresetChain = buildPresetChain;
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7 | exports.buildPresetChainWalker = void 0;
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8 | exports.buildRootChain = buildRootChain;
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9 |
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10 | function _path() {
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11 | const data = require("path");
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12 |
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13 | _path = function () {
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14 | return data;
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15 | };
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16 |
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17 | return data;
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18 | }
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19 |
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20 | function _debug() {
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21 | const data = require("debug");
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22 |
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23 | _debug = function () {
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24 | return data;
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25 | };
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26 |
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27 | return data;
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28 | }
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29 |
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30 | var _options = require("./validation/options");
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31 |
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32 | var _patternToRegex = require("./pattern-to-regex");
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33 |
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34 | var _printer = require("./printer");
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35 |
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36 | var _files = require("./files");
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37 |
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38 | var _caching = require("./caching");
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39 |
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40 | var _configDescriptors = require("./config-descriptors");
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41 |
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42 | const debug = _debug()("babel:config:config-chain");
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43 |
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44 | function* buildPresetChain(arg, context) {
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45 | const chain = yield* buildPresetChainWalker(arg, context);
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46 | if (!chain) return null;
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47 | return {
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48 | plugins: dedupDescriptors(chain.plugins),
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49 | presets: dedupDescriptors(chain.presets),
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50 | options: chain.options.map(o => normalizeOptions(o)),
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51 | files: new Set()
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52 | };
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53 | }
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54 |
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55 | const buildPresetChainWalker = makeChainWalker({
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56 | root: preset => loadPresetDescriptors(preset),
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57 | env: (preset, envName) => loadPresetEnvDescriptors(preset)(envName),
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58 | overrides: (preset, index) => loadPresetOverridesDescriptors(preset)(index),
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59 | overridesEnv: (preset, index, envName) => loadPresetOverridesEnvDescriptors(preset)(index)(envName),
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60 | createLogger: () => () => {}
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61 | });
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62 | exports.buildPresetChainWalker = buildPresetChainWalker;
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63 | const loadPresetDescriptors = (0, _caching.makeWeakCacheSync)(preset => buildRootDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors));
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64 | const loadPresetEnvDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(envName => buildEnvDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, envName)));
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65 | const loadPresetOverridesDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(index => buildOverrideDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, index)));
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66 | const loadPresetOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, index, envName))));
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67 |
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68 | function* buildRootChain(opts, context) {
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69 | let configReport, babelRcReport;
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70 | const programmaticLogger = new _printer.ConfigPrinter();
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71 | const programmaticChain = yield* loadProgrammaticChain({
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72 | options: opts,
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73 | dirname: context.cwd
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74 | }, context, undefined, programmaticLogger);
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75 | if (!programmaticChain) return null;
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76 | const programmaticReport = yield* programmaticLogger.output();
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77 | let configFile;
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78 |
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79 | if (typeof opts.configFile === "string") {
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80 | configFile = yield* (0, _files.loadConfig)(opts.configFile, context.cwd, context.envName, context.caller);
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81 | } else if (opts.configFile !== false) {
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82 | configFile = yield* (0, _files.findRootConfig)(context.root, context.envName, context.caller);
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83 | }
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84 |
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85 | let {
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86 | babelrc,
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87 | babelrcRoots
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88 | } = opts;
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89 | let babelrcRootsDirectory = context.cwd;
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90 | const configFileChain = emptyChain();
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91 | const configFileLogger = new _printer.ConfigPrinter();
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92 |
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93 | if (configFile) {
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94 | const validatedFile = validateConfigFile(configFile);
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95 | const result = yield* loadFileChain(validatedFile, context, undefined, configFileLogger);
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96 | if (!result) return null;
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97 | configReport = yield* configFileLogger.output();
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98 |
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99 | if (babelrc === undefined) {
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100 | babelrc = validatedFile.options.babelrc;
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101 | }
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102 |
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103 | if (babelrcRoots === undefined) {
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104 | babelrcRootsDirectory = validatedFile.dirname;
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105 | babelrcRoots = validatedFile.options.babelrcRoots;
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106 | }
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107 |
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108 | mergeChain(configFileChain, result);
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109 | }
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110 |
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111 | let ignoreFile, babelrcFile;
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112 | let isIgnored = false;
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113 | const fileChain = emptyChain();
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114 |
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115 | if ((babelrc === true || babelrc === undefined) && typeof context.filename === "string") {
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116 | const pkgData = yield* (0, _files.findPackageData)(context.filename);
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117 |
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118 | if (pkgData && babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory)) {
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119 | ({
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120 | ignore: ignoreFile,
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121 | config: babelrcFile
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122 | } = yield* (0, _files.findRelativeConfig)(pkgData, context.envName, context.caller));
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123 |
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124 | if (ignoreFile) {
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125 | fileChain.files.add(ignoreFile.filepath);
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126 | }
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127 |
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128 | if (ignoreFile && shouldIgnore(context, ignoreFile.ignore, null, ignoreFile.dirname)) {
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129 | isIgnored = true;
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130 | }
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131 |
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132 | if (babelrcFile && !isIgnored) {
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133 | const validatedFile = validateBabelrcFile(babelrcFile);
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134 | const babelrcLogger = new _printer.ConfigPrinter();
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135 | const result = yield* loadFileChain(validatedFile, context, undefined, babelrcLogger);
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136 |
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137 | if (!result) {
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138 | isIgnored = true;
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139 | } else {
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140 | babelRcReport = yield* babelrcLogger.output();
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141 | mergeChain(fileChain, result);
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142 | }
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143 | }
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144 |
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145 | if (babelrcFile && isIgnored) {
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146 | fileChain.files.add(babelrcFile.filepath);
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147 | }
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148 | }
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149 | }
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150 |
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151 | if (context.showConfig) {
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152 | console.log(`Babel configs on "${context.filename}" (ascending priority):\n` + [configReport, babelRcReport, programmaticReport].filter(x => !!x).join("\n\n") + "\n-----End Babel configs-----");
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153 | }
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154 |
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155 | const chain = mergeChain(mergeChain(mergeChain(emptyChain(), configFileChain), fileChain), programmaticChain);
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156 | return {
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157 | plugins: isIgnored ? [] : dedupDescriptors(chain.plugins),
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158 | presets: isIgnored ? [] : dedupDescriptors(chain.presets),
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159 | options: isIgnored ? [] : chain.options.map(o => normalizeOptions(o)),
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160 | fileHandling: isIgnored ? "ignored" : "transpile",
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161 | ignore: ignoreFile || undefined,
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162 | babelrc: babelrcFile || undefined,
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163 | config: configFile || undefined,
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164 | files: chain.files
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165 | };
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166 | }
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167 |
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168 | function babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory) {
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169 | if (typeof babelrcRoots === "boolean") return babelrcRoots;
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170 | const absoluteRoot = context.root;
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171 |
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172 | if (babelrcRoots === undefined) {
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173 | return pkgData.directories.indexOf(absoluteRoot) !== -1;
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174 | }
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175 |
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176 | let babelrcPatterns = babelrcRoots;
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177 |
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178 | if (!Array.isArray(babelrcPatterns)) {
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179 | babelrcPatterns = [babelrcPatterns];
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180 | }
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181 |
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182 | babelrcPatterns = babelrcPatterns.map(pat => {
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183 | return typeof pat === "string" ? _path().resolve(babelrcRootsDirectory, pat) : pat;
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184 | });
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185 |
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186 | if (babelrcPatterns.length === 1 && babelrcPatterns[0] === absoluteRoot) {
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187 | return pkgData.directories.indexOf(absoluteRoot) !== -1;
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188 | }
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189 |
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190 | return babelrcPatterns.some(pat => {
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191 | if (typeof pat === "string") {
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192 | pat = (0, _patternToRegex.default)(pat, babelrcRootsDirectory);
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193 | }
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194 |
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195 | return pkgData.directories.some(directory => {
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196 | return matchPattern(pat, babelrcRootsDirectory, directory, context);
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197 | });
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198 | });
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199 | }
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200 |
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201 | const validateConfigFile = (0, _caching.makeWeakCacheSync)(file => ({
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202 | filepath: file.filepath,
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203 | dirname: file.dirname,
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204 | options: (0, _options.validate)("configfile", file.options)
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205 | }));
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206 | const validateBabelrcFile = (0, _caching.makeWeakCacheSync)(file => ({
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207 | filepath: file.filepath,
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208 | dirname: file.dirname,
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209 | options: (0, _options.validate)("babelrcfile", file.options)
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210 | }));
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211 | const validateExtendFile = (0, _caching.makeWeakCacheSync)(file => ({
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212 | filepath: file.filepath,
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213 | dirname: file.dirname,
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214 | options: (0, _options.validate)("extendsfile", file.options)
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215 | }));
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216 | const loadProgrammaticChain = makeChainWalker({
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217 | root: input => buildRootDescriptors(input, "base", _configDescriptors.createCachedDescriptors),
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218 | env: (input, envName) => buildEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, envName),
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219 | overrides: (input, index) => buildOverrideDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index),
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220 | overridesEnv: (input, index, envName) => buildOverrideEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index, envName),
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221 | createLogger: (input, context, baseLogger) => buildProgrammaticLogger(input, context, baseLogger)
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222 | });
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223 | const loadFileChainWalker = makeChainWalker({
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224 | root: file => loadFileDescriptors(file),
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225 | env: (file, envName) => loadFileEnvDescriptors(file)(envName),
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226 | overrides: (file, index) => loadFileOverridesDescriptors(file)(index),
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227 | overridesEnv: (file, index, envName) => loadFileOverridesEnvDescriptors(file)(index)(envName),
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228 | createLogger: (file, context, baseLogger) => buildFileLogger(file.filepath, context, baseLogger)
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229 | });
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230 |
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231 | function* loadFileChain(input, context, files, baseLogger) {
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232 | const chain = yield* loadFileChainWalker(input, context, files, baseLogger);
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233 |
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234 | if (chain) {
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235 | chain.files.add(input.filepath);
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236 | }
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237 |
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238 | return chain;
|
239 | }
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240 |
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241 | const loadFileDescriptors = (0, _caching.makeWeakCacheSync)(file => buildRootDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors));
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242 | const loadFileEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(envName => buildEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, envName)));
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243 | const loadFileOverridesDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => buildOverrideDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index)));
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244 | const loadFileOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index, envName))));
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245 |
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246 | function buildFileLogger(filepath, context, baseLogger) {
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247 | if (!baseLogger) {
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248 | return () => {};
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249 | }
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250 |
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251 | return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Config, {
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252 | filepath
|
253 | });
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254 | }
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255 |
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256 | function buildRootDescriptors({
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257 | dirname,
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258 | options
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259 | }, alias, descriptors) {
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260 | return descriptors(dirname, options, alias);
|
261 | }
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262 |
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263 | function buildProgrammaticLogger(_, context, baseLogger) {
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264 | var _context$caller;
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265 |
|
266 | if (!baseLogger) {
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267 | return () => {};
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268 | }
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269 |
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270 | return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Programmatic, {
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271 | callerName: (_context$caller = context.caller) == null ? void 0 : _context$caller.name
|
272 | });
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273 | }
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274 |
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275 | function buildEnvDescriptors({
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276 | dirname,
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277 | options
|
278 | }, alias, descriptors, envName) {
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279 | const opts = options.env && options.env[envName];
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280 | return opts ? descriptors(dirname, opts, `${alias}.env["${envName}"]`) : null;
|
281 | }
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282 |
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283 | function buildOverrideDescriptors({
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284 | dirname,
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285 | options
|
286 | }, alias, descriptors, index) {
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287 | const opts = options.overrides && options.overrides[index];
|
288 | if (!opts) throw new Error("Assertion failure - missing override");
|
289 | return descriptors(dirname, opts, `${alias}.overrides[${index}]`);
|
290 | }
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291 |
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292 | function buildOverrideEnvDescriptors({
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293 | dirname,
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294 | options
|
295 | }, alias, descriptors, index, envName) {
|
296 | const override = options.overrides && options.overrides[index];
|
297 | if (!override) throw new Error("Assertion failure - missing override");
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298 | const opts = override.env && override.env[envName];
|
299 | return opts ? descriptors(dirname, opts, `${alias}.overrides[${index}].env["${envName}"]`) : null;
|
300 | }
|
301 |
|
302 | function makeChainWalker({
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303 | root,
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304 | env,
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305 | overrides,
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306 | overridesEnv,
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307 | createLogger
|
308 | }) {
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309 | return function* (input, context, files = new Set(), baseLogger) {
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310 | const {
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311 | dirname
|
312 | } = input;
|
313 | const flattenedConfigs = [];
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314 | const rootOpts = root(input);
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315 |
|
316 | if (configIsApplicable(rootOpts, dirname, context)) {
|
317 | flattenedConfigs.push({
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318 | config: rootOpts,
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319 | envName: undefined,
|
320 | index: undefined
|
321 | });
|
322 | const envOpts = env(input, context.envName);
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323 |
|
324 | if (envOpts && configIsApplicable(envOpts, dirname, context)) {
|
325 | flattenedConfigs.push({
|
326 | config: envOpts,
|
327 | envName: context.envName,
|
328 | index: undefined
|
329 | });
|
330 | }
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331 |
|
332 | (rootOpts.options.overrides || []).forEach((_, index) => {
|
333 | const overrideOps = overrides(input, index);
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334 |
|
335 | if (configIsApplicable(overrideOps, dirname, context)) {
|
336 | flattenedConfigs.push({
|
337 | config: overrideOps,
|
338 | index,
|
339 | envName: undefined
|
340 | });
|
341 | const overrideEnvOpts = overridesEnv(input, index, context.envName);
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342 |
|
343 | if (overrideEnvOpts && configIsApplicable(overrideEnvOpts, dirname, context)) {
|
344 | flattenedConfigs.push({
|
345 | config: overrideEnvOpts,
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346 | index,
|
347 | envName: context.envName
|
348 | });
|
349 | }
|
350 | }
|
351 | });
|
352 | }
|
353 |
|
354 | if (flattenedConfigs.some(({
|
355 | config: {
|
356 | options: {
|
357 | ignore,
|
358 | only
|
359 | }
|
360 | }
|
361 | }) => shouldIgnore(context, ignore, only, dirname))) {
|
362 | return null;
|
363 | }
|
364 |
|
365 | const chain = emptyChain();
|
366 | const logger = createLogger(input, context, baseLogger);
|
367 |
|
368 | for (const {
|
369 | config,
|
370 | index,
|
371 | envName
|
372 | } of flattenedConfigs) {
|
373 | if (!(yield* mergeExtendsChain(chain, config.options, dirname, context, files, baseLogger))) {
|
374 | return null;
|
375 | }
|
376 |
|
377 | logger(config, index, envName);
|
378 | yield* mergeChainOpts(chain, config);
|
379 | }
|
380 |
|
381 | return chain;
|
382 | };
|
383 | }
|
384 |
|
385 | function* mergeExtendsChain(chain, opts, dirname, context, files, baseLogger) {
|
386 | if (opts.extends === undefined) return true;
|
387 | const file = yield* (0, _files.loadConfig)(opts.extends, dirname, context.envName, context.caller);
|
388 |
|
389 | if (files.has(file)) {
|
390 | throw new Error(`Configuration cycle detected loading ${file.filepath}.\n` + `File already loaded following the config chain:\n` + Array.from(files, file => ` - ${file.filepath}`).join("\n"));
|
391 | }
|
392 |
|
393 | files.add(file);
|
394 | const fileChain = yield* loadFileChain(validateExtendFile(file), context, files, baseLogger);
|
395 | files.delete(file);
|
396 | if (!fileChain) return false;
|
397 | mergeChain(chain, fileChain);
|
398 | return true;
|
399 | }
|
400 |
|
401 | function mergeChain(target, source) {
|
402 | target.options.push(...source.options);
|
403 | target.plugins.push(...source.plugins);
|
404 | target.presets.push(...source.presets);
|
405 |
|
406 | for (const file of source.files) {
|
407 | target.files.add(file);
|
408 | }
|
409 |
|
410 | return target;
|
411 | }
|
412 |
|
413 | function* mergeChainOpts(target, {
|
414 | options,
|
415 | plugins,
|
416 | presets
|
417 | }) {
|
418 | target.options.push(options);
|
419 | target.plugins.push(...(yield* plugins()));
|
420 | target.presets.push(...(yield* presets()));
|
421 | return target;
|
422 | }
|
423 |
|
424 | function emptyChain() {
|
425 | return {
|
426 | options: [],
|
427 | presets: [],
|
428 | plugins: [],
|
429 | files: new Set()
|
430 | };
|
431 | }
|
432 |
|
433 | function normalizeOptions(opts) {
|
434 | const options = Object.assign({}, opts);
|
435 | delete options.extends;
|
436 | delete options.env;
|
437 | delete options.overrides;
|
438 | delete options.plugins;
|
439 | delete options.presets;
|
440 | delete options.passPerPreset;
|
441 | delete options.ignore;
|
442 | delete options.only;
|
443 | delete options.test;
|
444 | delete options.include;
|
445 | delete options.exclude;
|
446 |
|
447 | if (Object.prototype.hasOwnProperty.call(options, "sourceMap")) {
|
448 | options.sourceMaps = options.sourceMap;
|
449 | delete options.sourceMap;
|
450 | }
|
451 |
|
452 | return options;
|
453 | }
|
454 |
|
455 | function dedupDescriptors(items) {
|
456 | const map = new Map();
|
457 | const descriptors = [];
|
458 |
|
459 | for (const item of items) {
|
460 | if (typeof item.value === "function") {
|
461 | const fnKey = item.value;
|
462 | let nameMap = map.get(fnKey);
|
463 |
|
464 | if (!nameMap) {
|
465 | nameMap = new Map();
|
466 | map.set(fnKey, nameMap);
|
467 | }
|
468 |
|
469 | let desc = nameMap.get(item.name);
|
470 |
|
471 | if (!desc) {
|
472 | desc = {
|
473 | value: item
|
474 | };
|
475 | descriptors.push(desc);
|
476 | if (!item.ownPass) nameMap.set(item.name, desc);
|
477 | } else {
|
478 | desc.value = item;
|
479 | }
|
480 | } else {
|
481 | descriptors.push({
|
482 | value: item
|
483 | });
|
484 | }
|
485 | }
|
486 |
|
487 | return descriptors.reduce((acc, desc) => {
|
488 | acc.push(desc.value);
|
489 | return acc;
|
490 | }, []);
|
491 | }
|
492 |
|
493 | function configIsApplicable({
|
494 | options
|
495 | }, dirname, context) {
|
496 | return (options.test === undefined || configFieldIsApplicable(context, options.test, dirname)) && (options.include === undefined || configFieldIsApplicable(context, options.include, dirname)) && (options.exclude === undefined || !configFieldIsApplicable(context, options.exclude, dirname));
|
497 | }
|
498 |
|
499 | function configFieldIsApplicable(context, test, dirname) {
|
500 | const patterns = Array.isArray(test) ? test : [test];
|
501 | return matchesPatterns(context, patterns, dirname);
|
502 | }
|
503 |
|
504 | function ignoreListReplacer(_key, value) {
|
505 | if (value instanceof RegExp) {
|
506 | return String(value);
|
507 | }
|
508 |
|
509 | return value;
|
510 | }
|
511 |
|
512 | function shouldIgnore(context, ignore, only, dirname) {
|
513 | if (ignore && matchesPatterns(context, ignore, dirname)) {
|
514 | var _context$filename;
|
515 |
|
516 | const message = `No config is applied to "${(_context$filename = context.filename) != null ? _context$filename : "(unknown)"}" because it matches one of \`ignore: ${JSON.stringify(ignore, ignoreListReplacer)}\` from "${dirname}"`;
|
517 | debug(message);
|
518 |
|
519 | if (context.showConfig) {
|
520 | console.log(message);
|
521 | }
|
522 |
|
523 | return true;
|
524 | }
|
525 |
|
526 | if (only && !matchesPatterns(context, only, dirname)) {
|
527 | var _context$filename2;
|
528 |
|
529 | const message = `No config is applied to "${(_context$filename2 = context.filename) != null ? _context$filename2 : "(unknown)"}" because it fails to match one of \`only: ${JSON.stringify(only, ignoreListReplacer)}\` from "${dirname}"`;
|
530 | debug(message);
|
531 |
|
532 | if (context.showConfig) {
|
533 | console.log(message);
|
534 | }
|
535 |
|
536 | return true;
|
537 | }
|
538 |
|
539 | return false;
|
540 | }
|
541 |
|
542 | function matchesPatterns(context, patterns, dirname) {
|
543 | return patterns.some(pattern => matchPattern(pattern, dirname, context.filename, context));
|
544 | }
|
545 |
|
546 | function matchPattern(pattern, dirname, pathToTest, context) {
|
547 | if (typeof pattern === "function") {
|
548 | return !!pattern(pathToTest, {
|
549 | dirname,
|
550 | envName: context.envName,
|
551 | caller: context.caller
|
552 | });
|
553 | }
|
554 |
|
555 | if (typeof pathToTest !== "string") {
|
556 | throw new Error(`Configuration contains string/RegExp pattern, but no filename was passed to Babel`);
|
557 | }
|
558 |
|
559 | if (typeof pattern === "string") {
|
560 | pattern = (0, _patternToRegex.default)(pattern, dirname);
|
561 | }
|
562 |
|
563 | return pattern.test(pathToTest);
|
564 | } |
\ | No newline at end of file |