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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.checkDuplicateIncludeExcludes = void 0;
- exports.default = normalizeOptions;
- exports.normalizeCoreJSOption = normalizeCoreJSOption;
- exports.validateUseBuiltInsOption = exports.validateModulesOption = exports.normalizePluginName = void 0;
- var _semver = require("semver");
- var _corejs2BuiltIns = require("@babel/compat-data/corejs2-built-ins");
- var _coreJsCompat = require("../data/core-js-compat");
- var _pluginsCompatData = require("./plugins-compat-data");
- var _moduleTransformations = require("./module-transformations");
- var _options = require("./options");
- var _helperValidatorOption = require("@babel/helper-validator-option");
- const corejs2DefaultWebIncludes = ["web.timers", "web.immediate", "web.dom.iterable"];
- const v = new _helperValidatorOption.OptionValidator("@babel/preset-env");
- const allPluginsList = Object.keys(_pluginsCompatData.plugins);
- const modulePlugins = ["transform-dynamic-import", ...Object.keys(_moduleTransformations.default).map(m => _moduleTransformations.default[m])];
- const getValidIncludesAndExcludes = (type, corejs) => Array.from(new Set([...allPluginsList, ...(type === "exclude" ? modulePlugins : []), ...(corejs ? corejs == 2 ? [...Object.keys(_corejs2BuiltIns), ...corejs2DefaultWebIncludes] : Object.keys(_coreJsCompat) : [])]));
- function flatMap(array, fn) {
- return Array.prototype.concat.apply([], array.map(fn));
- }
- const normalizePluginName = plugin => plugin.replace(/^(@babel\/|babel-)(plugin-)?/, "");
- exports.normalizePluginName = normalizePluginName;
- const expandIncludesAndExcludes = (filterList = [], type, corejs) => {
- if (filterList.length === 0) return [];
- const filterableItems = getValidIncludesAndExcludes(type, corejs);
- const invalidFilters = [];
- const selectedPlugins = flatMap(filterList, filter => {
- let re;
- if (typeof filter === "string") {
- try {
- re = new RegExp(`^${normalizePluginName(filter)}$`);
- } catch (e) {
- invalidFilters.push(filter);
- return [];
- }
- } else {
- re = filter;
- }
- const items = filterableItems.filter(item => re.test(item) ||
- re.test(item.replace(/^transform-/, "proposal-")));
- if (items.length === 0) invalidFilters.push(filter);
- return items;
- });
- v.invariant(invalidFilters.length === 0, `The plugins/built-ins '${invalidFilters.join(", ")}' passed to the '${type}' option are not
- valid. Please check data/[plugin-features|built-in-features].js in babel-preset-env`);
- return selectedPlugins;
- };
- const checkDuplicateIncludeExcludes = (include = [], exclude = []) => {
- const duplicates = include.filter(opt => exclude.indexOf(opt) >= 0);
- v.invariant(duplicates.length === 0, `The plugins/built-ins '${duplicates.join(", ")}' were found in both the "include" and
- "exclude" options.`);
- };
- exports.checkDuplicateIncludeExcludes = checkDuplicateIncludeExcludes;
- const normalizeTargets = targets => {
- if (typeof targets === "string" || Array.isArray(targets)) {
- return {
- browsers: targets
- };
- }
- return Object.assign({}, targets);
- };
- const validateModulesOption = (modulesOpt = _options.ModulesOption.auto) => {
- v.invariant(
- _options.ModulesOption[modulesOpt.toString()] || modulesOpt === _options.ModulesOption.false, `The 'modules' option must be one of \n` + ` - 'false' to indicate no module processing\n` + ` - a specific module type: 'commonjs', 'amd', 'umd', 'systemjs'` + ` - 'auto' (default) which will automatically select 'false' if the current\n` + ` process is known to support ES module syntax, or "commonjs" otherwise\n`);
- return modulesOpt;
- };
- exports.validateModulesOption = validateModulesOption;
- const validateUseBuiltInsOption = (builtInsOpt = false) => {
- v.invariant(
- _options.UseBuiltInsOption[builtInsOpt.toString()] || builtInsOpt === _options.UseBuiltInsOption.false, `The 'useBuiltIns' option must be either
- 'false' (default) to indicate no polyfill,
- '"entry"' to indicate replacing the entry polyfill, or
- '"usage"' to import only used polyfills per file`);
- return builtInsOpt;
- };
- exports.validateUseBuiltInsOption = validateUseBuiltInsOption;
- function normalizeCoreJSOption(corejs, useBuiltIns) {
- let proposals = false;
- let rawVersion;
- if (useBuiltIns && corejs === undefined) {
- rawVersion = 2;
- console.warn("\nWARNING (@babel/preset-env): We noticed you're using the `useBuiltIns` option without declaring a " + "core-js version. Currently, we assume version 2.x when no version " + "is passed. Since this default version will likely change in future " + "versions of Babel, we recommend explicitly setting the core-js version " + "you are using via the `corejs` option.\n" + "\nYou should also be sure that the version you pass to the `corejs` " + "option matches the version specified in your `package.json`'s " + "`dependencies` section. If it doesn't, you need to run one of the " + "following commands:\n\n" + " npm install --save core-js@2 npm install --save core-js@3\n" + " yarn add core-js@2 yarn add core-js@3\n\n" + "More info about useBuiltIns: https://babeljs.io/docs/en/babel-preset-env#usebuiltins\n" + "More info about core-js: https://babeljs.io/docs/en/babel-preset-env#corejs");
- } else if (typeof corejs === "object" && corejs !== null) {
- rawVersion = corejs.version;
- proposals = Boolean(corejs.proposals);
- } else {
- rawVersion = corejs;
- }
- const version = rawVersion ? _semver.coerce(String(rawVersion)) : false;
- if (!useBuiltIns && version) {
- console.warn("\nWARNING (@babel/preset-env): The `corejs` option only has an effect when the `useBuiltIns` option is not `false`\n");
- }
- if (useBuiltIns && (!version || version.major < 2 || version.major > 3)) {
- throw new RangeError("Invalid Option: The version passed to `corejs` is invalid. Currently, " + "only core-js@2 and core-js@3 are supported.");
- }
- return {
- version,
- proposals
- };
- }
- function normalizeOptions(opts) {
- v.validateTopLevelOptions(opts, _options.TopLevelOptions);
- const useBuiltIns = validateUseBuiltInsOption(opts.useBuiltIns);
- const corejs = normalizeCoreJSOption(opts.corejs, useBuiltIns);
- const include = expandIncludesAndExcludes(opts.include, _options.TopLevelOptions.include, !!corejs.version && corejs.version.major);
- const exclude = expandIncludesAndExcludes(opts.exclude, _options.TopLevelOptions.exclude, !!corejs.version && corejs.version.major);
- checkDuplicateIncludeExcludes(include, exclude);
- return {
- bugfixes: v.validateBooleanOption(_options.TopLevelOptions.bugfixes, opts.bugfixes, false),
- configPath: v.validateStringOption(_options.TopLevelOptions.configPath, opts.configPath, process.cwd()),
- corejs,
- debug: v.validateBooleanOption(_options.TopLevelOptions.debug, opts.debug, false),
- include,
- exclude,
- forceAllTransforms: v.validateBooleanOption(_options.TopLevelOptions.forceAllTransforms, opts.forceAllTransforms, false),
- ignoreBrowserslistConfig: v.validateBooleanOption(_options.TopLevelOptions.ignoreBrowserslistConfig, opts.ignoreBrowserslistConfig, false),
- loose: v.validateBooleanOption(_options.TopLevelOptions.loose, opts.loose),
- modules: validateModulesOption(opts.modules),
- shippedProposals: v.validateBooleanOption(_options.TopLevelOptions.shippedProposals, opts.shippedProposals, false),
- spec: v.validateBooleanOption(_options.TopLevelOptions.spec, opts.spec, false),
- targets: normalizeTargets(opts.targets),
- useBuiltIns: useBuiltIns,
- browserslistEnv: v.validateStringOption(_options.TopLevelOptions.browserslistEnv, opts.browserslistEnv)
- };
- }
- //# sourceMappingURL=normalize-options.js.map
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