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							147 lines
						
					
					
						
							7.4 KiB
						
					
					
				"use strict"; | 
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 | 
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Object.defineProperty(exports, "__esModule", { | 
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  value: true | 
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}); | 
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exports.normalizeCoreJSOption = normalizeCoreJSOption; | 
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exports.default = normalizeOptions; | 
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exports.validateUseBuiltInsOption = exports.validateModulesOption = exports.checkDuplicateIncludeExcludes = exports.normalizePluginName = void 0; | 
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 | 
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var _data = require("core-js-compat/data.json"); | 
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 | 
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var _semver = require("semver"); | 
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 | 
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var _corejs2BuiltIns = require("@babel/compat-data/corejs2-built-ins"); | 
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 | 
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var _pluginsCompatData = require("./plugins-compat-data"); | 
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 | 
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var _moduleTransformations = require("./module-transformations"); | 
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 | 
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var _options = require("./options"); | 
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 | 
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var _helperValidatorOption = require("@babel/helper-validator-option"); | 
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 | 
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const corejs2DefaultWebIncludes = ["web.timers", "web.immediate", "web.dom.iterable"]; | 
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const v = new _helperValidatorOption.OptionValidator("@babel/preset-env"); | 
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const allPluginsList = Object.keys(_pluginsCompatData.plugins); | 
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const modulePlugins = ["proposal-dynamic-import", ...Object.keys(_moduleTransformations.default).map(m => _moduleTransformations.default[m])]; | 
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 | 
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const getValidIncludesAndExcludes = (type, corejs) => new Set([...allPluginsList, ...(type === "exclude" ? modulePlugins : []), ...(corejs ? corejs == 2 ? [...Object.keys(_corejs2BuiltIns), ...corejs2DefaultWebIncludes] : Object.keys(_data) : [])]); | 
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 | 
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const pluginToRegExp = plugin => { | 
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  if (plugin instanceof RegExp) return plugin; | 
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 | 
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  try { | 
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    return new RegExp(`^${normalizePluginName(plugin)}$`); | 
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  } catch (e) { | 
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    return null; | 
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  } | 
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}; | 
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 | 
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const selectPlugins = (regexp, type, corejs) => Array.from(getValidIncludesAndExcludes(type, corejs)).filter(item => regexp instanceof RegExp && regexp.test(item)); | 
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 | 
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const flatten = array => [].concat(...array); | 
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 | 
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const expandIncludesAndExcludes = (plugins = [], type, corejs) => { | 
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  if (plugins.length === 0) return []; | 
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  const selectedPlugins = plugins.map(plugin => selectPlugins(pluginToRegExp(plugin), type, corejs)); | 
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  const invalidRegExpList = plugins.filter((p, i) => selectedPlugins[i].length === 0); | 
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  v.invariant(invalidRegExpList.length === 0, `The plugins/built-ins '${invalidRegExpList.join(", ")}' passed to the '${type}' option are not | 
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    valid. Please check data/[plugin-features|built-in-features].js in babel-preset-env`); | 
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  return flatten(selectedPlugins); | 
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}; | 
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 | 
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const normalizePluginName = plugin => plugin.replace(/^(@babel\/|babel-)(plugin-)?/, ""); | 
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 | 
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exports.normalizePluginName = normalizePluginName; | 
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 | 
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const checkDuplicateIncludeExcludes = (include = [], exclude = []) => { | 
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  const duplicates = include.filter(opt => exclude.indexOf(opt) >= 0); | 
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  v.invariant(duplicates.length === 0, `The plugins/built-ins '${duplicates.join(", ")}' were found in both the "include" and | 
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    "exclude" options.`); | 
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}; | 
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 | 
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exports.checkDuplicateIncludeExcludes = checkDuplicateIncludeExcludes; | 
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 | 
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const normalizeTargets = targets => { | 
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  if (typeof targets === "string" || Array.isArray(targets)) { | 
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    return { | 
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      browsers: targets | 
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    }; | 
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  } | 
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 | 
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  return Object.assign({}, targets); | 
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}; | 
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 | 
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const validateModulesOption = (modulesOpt = _options.ModulesOption.auto) => { | 
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  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`); | 
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  return modulesOpt; | 
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}; | 
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 | 
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exports.validateModulesOption = validateModulesOption; | 
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 | 
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const validateUseBuiltInsOption = (builtInsOpt = false) => { | 
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  v.invariant(_options.UseBuiltInsOption[builtInsOpt.toString()] || builtInsOpt === _options.UseBuiltInsOption.false, `The 'useBuiltIns' option must be either | 
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    'false' (default) to indicate no polyfill, | 
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    '"entry"' to indicate replacing the entry polyfill, or | 
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    '"usage"' to import only used polyfills per file`); | 
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  return builtInsOpt; | 
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}; | 
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 | 
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exports.validateUseBuiltInsOption = validateUseBuiltInsOption; | 
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 | 
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function normalizeCoreJSOption(corejs, useBuiltIns) { | 
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  let proposals = false; | 
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  let rawVersion; | 
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 | 
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  if (useBuiltIns && corejs === undefined) { | 
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    rawVersion = 2; | 
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    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"); | 
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  } else if (typeof corejs === "object" && corejs !== null) { | 
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    rawVersion = corejs.version; | 
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    proposals = Boolean(corejs.proposals); | 
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  } else { | 
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    rawVersion = corejs; | 
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  } | 
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 | 
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  const version = rawVersion ? (0, _semver.coerce)(String(rawVersion)) : false; | 
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 | 
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  if (!useBuiltIns && version) { | 
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    console.warn("\nWARNING (@babel/preset-env): The `corejs` option only has an effect when the `useBuiltIns` option is not `false`\n"); | 
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  } | 
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 | 
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  if (useBuiltIns && (!version || version.major < 2 || version.major > 3)) { | 
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    throw new RangeError("Invalid Option: The version passed to `corejs` is invalid. Currently, " + "only core-js@2 and core-js@3 are supported."); | 
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  } | 
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 | 
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  return { | 
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    version, | 
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    proposals | 
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  }; | 
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} | 
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 | 
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function normalizeOptions(opts) { | 
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  v.validateTopLevelOptions(opts, _options.TopLevelOptions); | 
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  const useBuiltIns = validateUseBuiltInsOption(opts.useBuiltIns); | 
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  const corejs = normalizeCoreJSOption(opts.corejs, useBuiltIns); | 
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  const include = expandIncludesAndExcludes(opts.include, _options.TopLevelOptions.include, !!corejs.version && corejs.version.major); | 
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  const exclude = expandIncludesAndExcludes(opts.exclude, _options.TopLevelOptions.exclude, !!corejs.version && corejs.version.major); | 
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  checkDuplicateIncludeExcludes(include, exclude); | 
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  return { | 
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    bugfixes: v.validateBooleanOption(_options.TopLevelOptions.bugfixes, opts.bugfixes, false), | 
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    configPath: v.validateStringOption(_options.TopLevelOptions.configPath, opts.configPath, process.cwd()), | 
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    corejs, | 
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    debug: v.validateBooleanOption(_options.TopLevelOptions.debug, opts.debug, false), | 
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    include, | 
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    exclude, | 
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    forceAllTransforms: v.validateBooleanOption(_options.TopLevelOptions.forceAllTransforms, opts.forceAllTransforms, false), | 
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    ignoreBrowserslistConfig: v.validateBooleanOption(_options.TopLevelOptions.ignoreBrowserslistConfig, opts.ignoreBrowserslistConfig, false), | 
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    loose: v.validateBooleanOption(_options.TopLevelOptions.loose, opts.loose), | 
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    modules: validateModulesOption(opts.modules), | 
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    shippedProposals: v.validateBooleanOption(_options.TopLevelOptions.shippedProposals, opts.shippedProposals, false), | 
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    spec: v.validateBooleanOption(_options.TopLevelOptions.spec, opts.spec, false), | 
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    targets: normalizeTargets(opts.targets), | 
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    useBuiltIns: useBuiltIns, | 
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    browserslistEnv: v.validateStringOption(_options.TopLevelOptions.browserslistEnv, opts.browserslistEnv) | 
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  }; | 
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} |