package.lib.config.config-chain.js Maven / Gradle / Ivy
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"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.js");
var _patternToRegex = require("./pattern-to-regex.js");
var _printer = require("./printer.js");
var _rewriteStackTrace = require("../errors/rewrite-stack-trace.js");
var _configError = require("../errors/config-error.js");
var _index = require("./files/index.js");
var _caching = require("./caching.js");
var _configDescriptors = require("./config-descriptors.js");
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 = exports.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: () => () => {}
});
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, _index.loadConfig)(opts.configFile, context.cwd, context.envName, context.caller);
} else if (opts.configFile !== false) {
configFile = yield* (0, _index.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, _index.findPackageData)(context.filename);
if (pkgData && babelrcLoadEnabled(context, pkgData, babelrcRoots, babelrcRootsDirectory)) {
({
ignore: ignoreFile,
config: babelrcFile
} = yield* (0, _index.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.includes(absoluteRoot);
}
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.includes(absoluteRoot);
}
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, file.filepath)
}));
const validateBabelrcFile = (0, _caching.makeWeakCacheSync)(file => ({
filepath: file.filepath,
dirname: file.dirname,
options: (0, _options.validate)("babelrcfile", file.options, file.filepath)
}));
const validateExtendFile = (0, _caching.makeWeakCacheSync)(file => ({
filepath: file.filepath,
dirname: file.dirname,
options: (0, _options.validate)("extendsfile", file.options, file.filepath)
}));
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);
chain == null || 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) {
var _options$env;
const opts = (_options$env = options.env) == null ? void 0 : _options$env[envName];
return opts ? descriptors(dirname, opts, `${alias}.env["${envName}"]`) : null;
}
function buildOverrideDescriptors({
dirname,
options
}, alias, descriptors, index) {
var _options$overrides;
const opts = (_options$overrides = options.overrides) == null ? void 0 : _options$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) {
var _options$overrides2, _override$env;
const override = (_options$overrides2 = options.overrides) == null ? void 0 : _options$overrides2[index];
if (!override) throw new Error("Assertion failure - missing override");
const opts = (_override$env = override.env) == null ? void 0 : _override$env[envName];
return opts ? descriptors(dirname, opts, `${alias}.overrides[${index}].env["${envName}"]`) : null;
}
function makeChainWalker({
root,
env,
overrides,
overridesEnv,
createLogger
}) {
return function* chainWalker(input, context, files = new Set(), baseLogger) {
const {
dirname
} = input;
const flattenedConfigs = [];
const rootOpts = root(input);
if (configIsApplicable(rootOpts, dirname, context, input.filepath)) {
flattenedConfigs.push({
config: rootOpts,
envName: undefined,
index: undefined
});
const envOpts = env(input, context.envName);
if (envOpts && configIsApplicable(envOpts, dirname, context, input.filepath)) {
flattenedConfigs.push({
config: envOpts,
envName: context.envName,
index: undefined
});
}
(rootOpts.options.overrides || []).forEach((_, index) => {
const overrideOps = overrides(input, index);
if (configIsApplicable(overrideOps, dirname, context, input.filepath)) {
flattenedConfigs.push({
config: overrideOps,
index,
envName: undefined
});
const overrideEnvOpts = overridesEnv(input, index, context.envName);
if (overrideEnvOpts && configIsApplicable(overrideEnvOpts, dirname, context, input.filepath)) {
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, _index.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 (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, configName) {
return (options.test === undefined || configFieldIsApplicable(context, options.test, dirname, configName)) && (options.include === undefined || configFieldIsApplicable(context, options.include, dirname, configName)) && (options.exclude === undefined || !configFieldIsApplicable(context, options.exclude, dirname, configName));
}
function configFieldIsApplicable(context, test, dirname, configName) {
const patterns = Array.isArray(test) ? test : [test];
return matchesPatterns(context, patterns, dirname, configName);
}
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, configName) {
return patterns.some(pattern => matchPattern(pattern, dirname, context.filename, context, configName));
}
function matchPattern(pattern, dirname, pathToTest, context, configName) {
if (typeof pattern === "function") {
return !!(0, _rewriteStackTrace.endHiddenCallStack)(pattern)(pathToTest, {
dirname,
envName: context.envName,
caller: context.caller
});
}
if (typeof pathToTest !== "string") {
throw new _configError.default(`Configuration contains string/RegExp pattern, but no filename was passed to Babel`, configName);
}
if (typeof pattern === "string") {
pattern = (0, _patternToRegex.default)(pattern, dirname);
}
return pattern.test(pathToTest);
}
0 && 0;
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