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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.buildPresetChain = buildPresetChain;
- exports.buildRootChain = buildRootChain;
- exports.buildPresetChainWalker = void 0;
- function _path() {
- const data = _interopRequireDefault(require("path"));
- _path = function () {
- return data;
- };
- return data;
- }
- function _debug() {
- const data = _interopRequireDefault(require("debug"));
- _debug = function () {
- return data;
- };
- return data;
- }
- var _options = require("./validation/options");
- var _patternToRegex = _interopRequireDefault(require("./pattern-to-regex"));
- var _printer = require("./printer");
- var _files = require("./files");
- var _caching = require("./caching");
- var _configDescriptors = require("./config-descriptors");
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- const debug = (0, _debug().default)("babel:config:config-chain");
- function* buildPresetChain(arg, context) {
- const chain = yield* buildPresetChainWalker(arg, context);
- if (!chain) return null;
- return {
- plugins: dedupDescriptors(chain.plugins),
- presets: dedupDescriptors(chain.presets),
- options: chain.options.map(o => normalizeOptions(o)),
- files: new Set()
- };
- }
- const buildPresetChainWalker = makeChainWalker({
- root: preset => loadPresetDescriptors(preset),
- env: (preset, envName) => loadPresetEnvDescriptors(preset)(envName),
- overrides: (preset, index) => loadPresetOverridesDescriptors(preset)(index),
- overridesEnv: (preset, index, envName) => loadPresetOverridesEnvDescriptors(preset)(index)(envName),
- createLogger: () => () => {}
- });
- exports.buildPresetChainWalker = buildPresetChainWalker;
- const loadPresetDescriptors = (0, _caching.makeWeakCacheSync)(preset => buildRootDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors));
- const loadPresetEnvDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(envName => buildEnvDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, envName)));
- const loadPresetOverridesDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(index => buildOverrideDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, index)));
- const loadPresetOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(preset => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(preset, preset.alias, _configDescriptors.createUncachedDescriptors, index, envName))));
- function* buildRootChain(opts, context) {
- let configReport, babelRcReport;
- const programmaticLogger = new _printer.ConfigPrinter();
- const programmaticChain = yield* loadProgrammaticChain({
- options: opts,
- dirname: context.cwd
- }, context, undefined, programmaticLogger);
- if (!programmaticChain) return null;
- const programmaticReport = programmaticLogger.output();
- let configFile;
- if (typeof opts.configFile === "string") {
- configFile = yield* (0, _files.loadConfig)(opts.configFile, context.cwd, context.envName, context.caller);
- } else if (opts.configFile !== false) {
- configFile = yield* (0, _files.findRootConfig)(context.root, context.envName, context.caller);
- }
- let {
- babelrc,
- babelrcRoots
- } = opts;
- let babelrcRootsDirectory = context.cwd;
- const configFileChain = emptyChain();
- const configFileLogger = new _printer.ConfigPrinter();
- if (configFile) {
- const validatedFile = validateConfigFile(configFile);
- const result = yield* loadFileChain(validatedFile, context, undefined, configFileLogger);
- if (!result) return null;
- configReport = configFileLogger.output();
- if (babelrc === undefined) {
- babelrc = validatedFile.options.babelrc;
- }
- if (babelrcRoots === undefined) {
- babelrcRootsDirectory = validatedFile.dirname;
- babelrcRoots = validatedFile.options.babelrcRoots;
- }
- mergeChain(configFileChain, result);
- }
- const pkgData = typeof context.filename === "string" ? yield* (0, _files.findPackageData)(context.filename) : null;
- let ignoreFile, babelrcFile;
- let isIgnored = false;
- const fileChain = emptyChain();
- if ((babelrc === true || babelrc === undefined) && pkgData && babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory)) {
- ({
- ignore: ignoreFile,
- config: babelrcFile
- } = yield* (0, _files.findRelativeConfig)(pkgData, context.envName, context.caller));
- if (ignoreFile) {
- fileChain.files.add(ignoreFile.filepath);
- }
- if (ignoreFile && shouldIgnore(context, ignoreFile.ignore, null, ignoreFile.dirname)) {
- isIgnored = true;
- }
- if (babelrcFile && !isIgnored) {
- const validatedFile = validateBabelrcFile(babelrcFile);
- const babelrcLogger = new _printer.ConfigPrinter();
- const result = yield* loadFileChain(validatedFile, context, undefined, babelrcLogger);
- if (!result) {
- isIgnored = true;
- } else {
- babelRcReport = babelrcLogger.output();
- mergeChain(fileChain, result);
- }
- }
- if (babelrcFile && isIgnored) {
- fileChain.files.add(babelrcFile.filepath);
- }
- }
- if (context.showConfig) {
- console.log(`Babel configs on "${context.filename}" (ascending priority):\n` + [configReport, babelRcReport, programmaticReport].filter(x => !!x).join("\n\n"));
- return null;
- }
- const chain = mergeChain(mergeChain(mergeChain(emptyChain(), configFileChain), fileChain), programmaticChain);
- return {
- plugins: isIgnored ? [] : dedupDescriptors(chain.plugins),
- presets: isIgnored ? [] : dedupDescriptors(chain.presets),
- options: isIgnored ? [] : chain.options.map(o => normalizeOptions(o)),
- fileHandling: isIgnored ? "ignored" : "transpile",
- ignore: ignoreFile || undefined,
- babelrc: babelrcFile || undefined,
- config: configFile || undefined,
- files: chain.files
- };
- }
- function babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory) {
- if (typeof babelrcRoots === "boolean") return babelrcRoots;
- const absoluteRoot = context.root;
- if (babelrcRoots === undefined) {
- return pkgData.directories.indexOf(absoluteRoot) !== -1;
- }
- let babelrcPatterns = babelrcRoots;
- if (!Array.isArray(babelrcPatterns)) babelrcPatterns = [babelrcPatterns];
- babelrcPatterns = babelrcPatterns.map(pat => {
- return typeof pat === "string" ? _path().default.resolve(babelrcRootsDirectory, pat) : pat;
- });
- if (babelrcPatterns.length === 1 && babelrcPatterns[0] === absoluteRoot) {
- return pkgData.directories.indexOf(absoluteRoot) !== -1;
- }
- return babelrcPatterns.some(pat => {
- if (typeof pat === "string") {
- pat = (0, _patternToRegex.default)(pat, babelrcRootsDirectory);
- }
- return pkgData.directories.some(directory => {
- return matchPattern(pat, babelrcRootsDirectory, directory, context);
- });
- });
- }
- const validateConfigFile = (0, _caching.makeWeakCacheSync)(file => ({
- filepath: file.filepath,
- dirname: file.dirname,
- options: (0, _options.validate)("configfile", file.options)
- }));
- const validateBabelrcFile = (0, _caching.makeWeakCacheSync)(file => ({
- filepath: file.filepath,
- dirname: file.dirname,
- options: (0, _options.validate)("babelrcfile", file.options)
- }));
- const validateExtendFile = (0, _caching.makeWeakCacheSync)(file => ({
- filepath: file.filepath,
- dirname: file.dirname,
- options: (0, _options.validate)("extendsfile", file.options)
- }));
- const loadProgrammaticChain = makeChainWalker({
- root: input => buildRootDescriptors(input, "base", _configDescriptors.createCachedDescriptors),
- env: (input, envName) => buildEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, envName),
- overrides: (input, index) => buildOverrideDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index),
- overridesEnv: (input, index, envName) => buildOverrideEnvDescriptors(input, "base", _configDescriptors.createCachedDescriptors, index, envName),
- createLogger: (input, context, baseLogger) => buildProgrammaticLogger(input, context, baseLogger)
- });
- const loadFileChainWalker = makeChainWalker({
- root: file => loadFileDescriptors(file),
- env: (file, envName) => loadFileEnvDescriptors(file)(envName),
- overrides: (file, index) => loadFileOverridesDescriptors(file)(index),
- overridesEnv: (file, index, envName) => loadFileOverridesEnvDescriptors(file)(index)(envName),
- createLogger: (file, context, baseLogger) => buildFileLogger(file.filepath, context, baseLogger)
- });
- function* loadFileChain(input, context, files, baseLogger) {
- const chain = yield* loadFileChainWalker(input, context, files, baseLogger);
- if (chain) {
- chain.files.add(input.filepath);
- }
- return chain;
- }
- const loadFileDescriptors = (0, _caching.makeWeakCacheSync)(file => buildRootDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors));
- const loadFileEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(envName => buildEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, envName)));
- const loadFileOverridesDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => buildOverrideDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index)));
- const loadFileOverridesEnvDescriptors = (0, _caching.makeWeakCacheSync)(file => (0, _caching.makeStrongCacheSync)(index => (0, _caching.makeStrongCacheSync)(envName => buildOverrideEnvDescriptors(file, file.filepath, _configDescriptors.createUncachedDescriptors, index, envName))));
- function buildFileLogger(filepath, context, baseLogger) {
- if (!baseLogger) {
- return () => {};
- }
- return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Config, {
- filepath
- });
- }
- function buildRootDescriptors({
- dirname,
- options
- }, alias, descriptors) {
- return descriptors(dirname, options, alias);
- }
- function buildProgrammaticLogger(_, context, baseLogger) {
- var _context$caller;
- if (!baseLogger) {
- return () => {};
- }
- return baseLogger.configure(context.showConfig, _printer.ChainFormatter.Programmatic, {
- callerName: (_context$caller = context.caller) == null ? void 0 : _context$caller.name
- });
- }
- function buildEnvDescriptors({
- dirname,
- options
- }, alias, descriptors, envName) {
- const opts = options.env && options.env[envName];
- return opts ? descriptors(dirname, opts, `${alias}.env["${envName}"]`) : null;
- }
- function buildOverrideDescriptors({
- dirname,
- options
- }, alias, descriptors, index) {
- const opts = options.overrides && options.overrides[index];
- if (!opts) throw new Error("Assertion failure - missing override");
- return descriptors(dirname, opts, `${alias}.overrides[${index}]`);
- }
- function buildOverrideEnvDescriptors({
- dirname,
- options
- }, alias, descriptors, index, envName) {
- const override = options.overrides && options.overrides[index];
- if (!override) throw new Error("Assertion failure - missing override");
- const opts = override.env && override.env[envName];
- return opts ? descriptors(dirname, opts, `${alias}.overrides[${index}].env["${envName}"]`) : null;
- }
- function makeChainWalker({
- root,
- env,
- overrides,
- overridesEnv,
- createLogger
- }) {
- return function* (input, context, files = new Set(), baseLogger) {
- const {
- dirname
- } = input;
- const flattenedConfigs = [];
- const rootOpts = root(input);
- if (configIsApplicable(rootOpts, dirname, context)) {
- flattenedConfigs.push({
- config: rootOpts,
- envName: undefined,
- index: undefined
- });
- const envOpts = env(input, context.envName);
- if (envOpts && configIsApplicable(envOpts, dirname, context)) {
- flattenedConfigs.push({
- config: envOpts,
- envName: context.envName,
- index: undefined
- });
- }
- (rootOpts.options.overrides || []).forEach((_, index) => {
- const overrideOps = overrides(input, index);
- if (configIsApplicable(overrideOps, dirname, context)) {
- flattenedConfigs.push({
- config: overrideOps,
- index,
- envName: undefined
- });
- const overrideEnvOpts = overridesEnv(input, index, context.envName);
- if (overrideEnvOpts && configIsApplicable(overrideEnvOpts, dirname, context)) {
- flattenedConfigs.push({
- config: overrideEnvOpts,
- index,
- envName: context.envName
- });
- }
- }
- });
- }
- if (flattenedConfigs.some(({
- config: {
- options: {
- ignore,
- only
- }
- }
- }) => shouldIgnore(context, ignore, only, dirname))) {
- return null;
- }
- const chain = emptyChain();
- const logger = createLogger(input, context, baseLogger);
- for (const {
- config,
- index,
- envName
- } of flattenedConfigs) {
- if (!(yield* mergeExtendsChain(chain, config.options, dirname, context, files, baseLogger))) {
- return null;
- }
- logger(config, index, envName);
- mergeChainOpts(chain, config);
- }
- return chain;
- };
- }
- function* mergeExtendsChain(chain, opts, dirname, context, files, baseLogger) {
- if (opts.extends === undefined) return true;
- const file = yield* (0, _files.loadConfig)(opts.extends, dirname, context.envName, context.caller);
- if (files.has(file)) {
- 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"));
- }
- files.add(file);
- const fileChain = yield* loadFileChain(validateExtendFile(file), context, files, baseLogger);
- files.delete(file);
- if (!fileChain) return false;
- mergeChain(chain, fileChain);
- return true;
- }
- function mergeChain(target, source) {
- target.options.push(...source.options);
- target.plugins.push(...source.plugins);
- target.presets.push(...source.presets);
- for (const file of source.files) {
- target.files.add(file);
- }
- return target;
- }
- function mergeChainOpts(target, {
- options,
- plugins,
- presets
- }) {
- target.options.push(options);
- target.plugins.push(...plugins());
- target.presets.push(...presets());
- return target;
- }
- function emptyChain() {
- return {
- options: [],
- presets: [],
- plugins: [],
- files: new Set()
- };
- }
- function normalizeOptions(opts) {
- const options = Object.assign({}, opts);
- delete options.extends;
- delete options.env;
- delete options.overrides;
- delete options.plugins;
- delete options.presets;
- delete options.passPerPreset;
- delete options.ignore;
- delete options.only;
- delete options.test;
- delete options.include;
- delete options.exclude;
- if (Object.prototype.hasOwnProperty.call(options, "sourceMap")) {
- options.sourceMaps = options.sourceMap;
- delete options.sourceMap;
- }
- return options;
- }
- function dedupDescriptors(items) {
- const map = new Map();
- const descriptors = [];
- for (const item of items) {
- if (typeof item.value === "function") {
- const fnKey = item.value;
- let nameMap = map.get(fnKey);
- if (!nameMap) {
- nameMap = new Map();
- map.set(fnKey, nameMap);
- }
- let desc = nameMap.get(item.name);
- if (!desc) {
- desc = {
- value: item
- };
- descriptors.push(desc);
- if (!item.ownPass) nameMap.set(item.name, desc);
- } else {
- desc.value = item;
- }
- } else {
- descriptors.push({
- value: item
- });
- }
- }
- return descriptors.reduce((acc, desc) => {
- acc.push(desc.value);
- return acc;
- }, []);
- }
- function configIsApplicable({
- options
- }, dirname, context) {
- 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));
- }
- function configFieldIsApplicable(context, test, dirname) {
- const patterns = Array.isArray(test) ? test : [test];
- return matchesPatterns(context, patterns, dirname);
- }
- function shouldIgnore(context, ignore, only, dirname) {
- if (ignore && matchesPatterns(context, ignore, dirname)) {
- var _context$filename;
- const message = `No config is applied to "${(_context$filename = context.filename) != null ? _context$filename : "(unknown)"}" because it matches one of \`ignore: ${JSON.stringify(ignore)}\` from "${dirname}"`;
- debug(message);
- if (context.showConfig) {
- console.log(message);
- }
- return true;
- }
- if (only && !matchesPatterns(context, only, dirname)) {
- var _context$filename2;
- const message = `No config is applied to "${(_context$filename2 = context.filename) != null ? _context$filename2 : "(unknown)"}" because it fails to match one of \`only: ${JSON.stringify(only)}\` from "${dirname}"`;
- debug(message);
- if (context.showConfig) {
- console.log(message);
- }
- return true;
- }
- return false;
- }
- function matchesPatterns(context, patterns, dirname) {
- return patterns.some(pattern => matchPattern(pattern, dirname, context.filename, context));
- }
- function matchPattern(pattern, dirname, pathToTest, context) {
- if (typeof pattern === "function") {
- return !!pattern(pathToTest, {
- dirname,
- envName: context.envName,
- caller: context.caller
- });
- }
- if (typeof pathToTest !== "string") {
- throw new Error(`Configuration contains string/RegExp pattern, but no filename was passed to Babel`);
- }
- if (typeof pattern === "string") {
- pattern = (0, _patternToRegex.default)(pattern, dirname);
- }
- return pattern.test(pathToTest);
- }
|