diff options
Diffstat (limited to 'node_modules/@babel/core/lib/config/config-chain.js')
| -rw-r--r-- | node_modules/@babel/core/lib/config/config-chain.js | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/node_modules/@babel/core/lib/config/config-chain.js b/node_modules/@babel/core/lib/config/config-chain.js new file mode 100644 index 0000000..aa5c5f2 --- /dev/null +++ b/node_modules/@babel/core/lib/config/config-chain.js @@ -0,0 +1,564 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.buildPresetChain = buildPresetChain; +exports.buildPresetChainWalker = void 0; +exports.buildRootChain = buildRootChain; + +function _path() { + const data = require("path"); + + _path = function () { + return data; + }; + + return data; +} + +function _debug() { + const data = require("debug"); + + _debug = function () { + return data; + }; + + return data; +} + +var _options = require("./validation/options"); + +var _patternToRegex = require("./pattern-to-regex"); + +var _printer = require("./printer"); + +var _files = require("./files"); + +var _caching = require("./caching"); + +var _configDescriptors = require("./config-descriptors"); + +const debug = _debug()("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 = yield* 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 = yield* configFileLogger.output(); + + if (babelrc === undefined) { + babelrc = validatedFile.options.babelrc; + } + + if (babelrcRoots === undefined) { + babelrcRootsDirectory = validatedFile.dirname; + babelrcRoots = validatedFile.options.babelrcRoots; + } + + mergeChain(configFileChain, result); + } + + let ignoreFile, babelrcFile; + let isIgnored = false; + const fileChain = emptyChain(); + + if ((babelrc === true || babelrc === undefined) && typeof context.filename === "string") { + const pkgData = yield* (0, _files.findPackageData)(context.filename); + + if (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 = yield* 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") + "\n-----End Babel configs-----"); + } + + 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().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); + yield* 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(...(yield* plugins())); + target.presets.push(...(yield* 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 ignoreListReplacer(_key, value) { + if (value instanceof RegExp) { + return String(value); + } + + return value; +} + +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: ${JSON.stringify(ignore, ignoreListReplacer)}\` from "${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: ${JSON.stringify(only, ignoreListReplacer)}\` from "${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); +}
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