{"version":3,"names":["corejs2DefaultWebIncludes","v","OptionValidator","allPluginsList","Object","keys","pluginsList","modulePlugins","moduleTransformations","map","m","getValidIncludesAndExcludes","type","corejs","Array","from","Set","corejs2Polyfills","corejs3Polyfills","flatMap","array","fn","prototype","concat","apply","normalizePluginName","plugin","replace","expandIncludesAndExcludes","filterList","length","filterableItems","invalidFilters","selectedPlugins","filter","re","RegExp","e","push","items","item","test","invariant","join","checkDuplicateIncludeExcludes","include","exclude","duplicates","opt","indexOf","normalizeTargets","targets","isArray","browsers","validateModulesOption","modulesOpt","ModulesOption","auto","toString","false","validateUseBuiltInsOption","builtInsOpt","UseBuiltInsOption","normalizeCoreJSOption","useBuiltIns","proposals","rawVersion","undefined","console","warn","version","Boolean","semver","coerce","String","major","RangeError","normalizeOptions","opts","validateTopLevelOptions","TopLevelOptions","bugfixes","validateBooleanOption","configPath","validateStringOption","process","cwd","debug","forceAllTransforms","ignoreBrowserslistConfig","loose","modules","shippedProposals","spec","browserslistEnv"],"sources":["../src/normalize-options.ts"],"sourcesContent":["import semver, { type SemVer } from \"semver\";\nimport corejs2Polyfills from \"@babel/compat-data/corejs2-built-ins\";\n// @ts-expect-error Fixme: TS can not infer types from ../data/core-js-compat.js\n// but we can't import core-js-compat/data.json because JSON imports do\n// not work on Node 14\nimport corejs3Polyfills from \"../data/core-js-compat\";\nimport { plugins as pluginsList } from \"./plugins-compat-data\";\nimport moduleTransformations from \"./module-transformations\";\nimport { TopLevelOptions, ModulesOption, UseBuiltInsOption } from \"./options\";\nimport { OptionValidator } from \"@babel/helper-validator-option\";\n\nconst corejs2DefaultWebIncludes = [\n  \"web.timers\",\n  \"web.immediate\",\n  \"web.dom.iterable\",\n];\n\nimport type {\n  BuiltInsOption,\n  CorejsOption,\n  ModuleOption,\n  Options,\n  PluginListOption,\n} from \"./types\";\n\ndeclare const PACKAGE_JSON: { name: string; version: string };\n\nconst v = new OptionValidator(PACKAGE_JSON.name);\n\nconst allPluginsList = Object.keys(pluginsList);\n\n// NOTE: Since module plugins are handled separately compared to other plugins (via the \"modules\" option) it\n// should only be possible to exclude and not include module plugins, otherwise it's possible that preset-env\n// will add a module plugin twice.\nconst modulePlugins = [\n  \"transform-dynamic-import\",\n  ...Object.keys(moduleTransformations).map(m => moduleTransformations[m]),\n];\n\nconst getValidIncludesAndExcludes = (\n  type: \"include\" | \"exclude\",\n  corejs: number | false,\n) =>\n  Array.from(\n    new Set([\n      ...allPluginsList,\n      ...(type === \"exclude\" ? modulePlugins : []),\n      ...(corejs\n        ? corejs == 2\n          ? [...Object.keys(corejs2Polyfills), ...corejs2DefaultWebIncludes]\n          : Object.keys(corejs3Polyfills)\n        : []),\n    ]),\n  );\n\nfunction flatMap<T, U>(array: Array<T>, fn: (item: T) => Array<U>): Array<U> {\n  return Array.prototype.concat.apply([], array.map(fn));\n}\n\nexport const normalizePluginName = (plugin: string) =>\n  plugin.replace(/^(@babel\\/|babel-)(plugin-)?/, \"\");\n\nconst expandIncludesAndExcludes = (\n  filterList: PluginListOption = [],\n  type: \"include\" | \"exclude\",\n  corejs: number | false,\n) => {\n  if (filterList.length === 0) return [];\n\n  const filterableItems = getValidIncludesAndExcludes(type, corejs);\n\n  const invalidFilters: PluginListOption = [];\n  const selectedPlugins = flatMap(filterList, filter => {\n    let re: RegExp;\n    if (typeof filter === \"string\") {\n      try {\n        re = new RegExp(`^${normalizePluginName(filter)}$`);\n      } catch (e) {\n        invalidFilters.push(filter);\n        return [];\n      }\n    } else {\n      re = filter;\n    }\n    const items = filterableItems.filter(\n      item =>\n        re.test(item) ||\n        // For backwards compatibility, we also support matching against the\n        // proposal- name.\n        // TODO(Babel 8): Remove this.\n        re.test(item.replace(/^transform-/, \"proposal-\")),\n    );\n    if (items.length === 0) invalidFilters.push(filter);\n    return items;\n  });\n\n  v.invariant(\n    invalidFilters.length === 0,\n    `The plugins/built-ins '${invalidFilters.join(\n      \", \",\n    )}' passed to the '${type}' option are not\n    valid. Please check data/[plugin-features|built-in-features].js in babel-preset-env`,\n  );\n\n  return selectedPlugins;\n};\n\nexport const checkDuplicateIncludeExcludes = (\n  include: Array<string> = [],\n  exclude: Array<string> = [],\n) => {\n  const duplicates = include.filter(opt => exclude.indexOf(opt) >= 0);\n\n  v.invariant(\n    duplicates.length === 0,\n    `The plugins/built-ins '${duplicates.join(\n      \", \",\n    )}' were found in both the \"include\" and\n    \"exclude\" options.`,\n  );\n};\n\nconst normalizeTargets = (\n  targets: string | string[] | Options[\"targets\"],\n): Options[\"targets\"] => {\n  // TODO: Allow to use only query or strings as a targets from next breaking change.\n  if (typeof targets === \"string\" || Array.isArray(targets)) {\n    return { browsers: targets };\n  }\n  return { ...targets };\n};\n\nexport const validateModulesOption = (\n  modulesOpt: ModuleOption = ModulesOption.auto,\n) => {\n  v.invariant(\n    // @ts-expect-error we have provided fallback for undefined keys\n    ModulesOption[modulesOpt.toString()] || modulesOpt === ModulesOption.false,\n    `The 'modules' option must be one of \\n` +\n      ` - 'false' to indicate no module processing\\n` +\n      ` - a specific module type: 'commonjs', 'amd', 'umd', 'systemjs'` +\n      ` - 'auto' (default) which will automatically select 'false' if the current\\n` +\n      `   process is known to support ES module syntax, or \"commonjs\" otherwise\\n`,\n  );\n\n  return modulesOpt;\n};\n\nexport const validateUseBuiltInsOption = (\n  builtInsOpt: BuiltInsOption = false,\n) => {\n  v.invariant(\n    // @ts-expect-error we have provided fallback for undefined keys\n    UseBuiltInsOption[builtInsOpt.toString()] ||\n      builtInsOpt === UseBuiltInsOption.false,\n    `The 'useBuiltIns' option must be either\n    'false' (default) to indicate no polyfill,\n    '\"entry\"' to indicate replacing the entry polyfill, or\n    '\"usage\"' to import only used polyfills per file`,\n  );\n\n  return builtInsOpt;\n};\n\nexport type NormalizedCorejsOption = {\n  proposals: boolean;\n  version: SemVer | null | false;\n};\n\nexport function normalizeCoreJSOption(\n  corejs: CorejsOption | undefined | null,\n  useBuiltIns: BuiltInsOption,\n): NormalizedCorejsOption {\n  let proposals = false;\n  let rawVersion;\n\n  if (useBuiltIns && corejs === undefined) {\n    rawVersion = 2;\n    console.warn(\n      \"\\nWARNING (@babel/preset-env): We noticed you're using the `useBuiltIns` option without declaring a \" +\n        \"core-js version. Currently, we assume version 2.x when no version \" +\n        \"is passed. Since this default version will likely change in future \" +\n        \"versions of Babel, we recommend explicitly setting the core-js version \" +\n        \"you are using via the `corejs` option.\\n\" +\n        \"\\nYou should also be sure that the version you pass to the `corejs` \" +\n        \"option matches the version specified in your `package.json`'s \" +\n        \"`dependencies` section. If it doesn't, you need to run one of the \" +\n        \"following commands:\\n\\n\" +\n        \"  npm install --save core-js@2    npm install --save core-js@3\\n\" +\n        \"  yarn add core-js@2              yarn add core-js@3\\n\\n\" +\n        \"More info about useBuiltIns: https://babeljs.io/docs/en/babel-preset-env#usebuiltins\\n\" +\n        \"More info about core-js: https://babeljs.io/docs/en/babel-preset-env#corejs\",\n    );\n  } else if (typeof corejs === \"object\" && corejs !== null) {\n    rawVersion = corejs.version;\n    proposals = Boolean(corejs.proposals);\n  } else {\n    rawVersion = corejs;\n  }\n\n  const version = rawVersion ? semver.coerce(String(rawVersion)) : false;\n\n  if (!useBuiltIns && version) {\n    console.warn(\n      \"\\nWARNING (@babel/preset-env): The `corejs` option only has an effect when the `useBuiltIns` option is not `false`\\n\",\n    );\n  }\n\n  if (useBuiltIns && (!version || version.major < 2 || version.major > 3)) {\n    throw new RangeError(\n      \"Invalid Option: The version passed to `corejs` is invalid. Currently, \" +\n        \"only core-js@2 and core-js@3 are supported.\",\n    );\n  }\n\n  return { version, proposals };\n}\n\nexport default function normalizeOptions(opts: Options) {\n  v.validateTopLevelOptions(opts, TopLevelOptions);\n\n  const useBuiltIns = validateUseBuiltInsOption(opts.useBuiltIns);\n\n  const corejs = normalizeCoreJSOption(opts.corejs, useBuiltIns);\n\n  const include = expandIncludesAndExcludes(\n    opts.include,\n    TopLevelOptions.include,\n    !!corejs.version && corejs.version.major,\n  );\n\n  const exclude = expandIncludesAndExcludes(\n    opts.exclude,\n    TopLevelOptions.exclude,\n    !!corejs.version && corejs.version.major,\n  );\n\n  checkDuplicateIncludeExcludes(include, exclude);\n\n  return {\n    bugfixes: v.validateBooleanOption(\n      TopLevelOptions.bugfixes,\n      opts.bugfixes,\n      process.env.BABEL_8_BREAKING ? true : false,\n    ),\n    configPath: v.validateStringOption(\n      TopLevelOptions.configPath,\n      opts.configPath,\n      process.cwd(),\n    ),\n    corejs,\n    debug: v.validateBooleanOption(TopLevelOptions.debug, opts.debug, false),\n    include,\n    exclude,\n    forceAllTransforms: v.validateBooleanOption(\n      TopLevelOptions.forceAllTransforms,\n      opts.forceAllTransforms,\n      false,\n    ),\n    ignoreBrowserslistConfig: v.validateBooleanOption(\n      TopLevelOptions.ignoreBrowserslistConfig,\n      opts.ignoreBrowserslistConfig,\n      false,\n    ),\n    loose: v.validateBooleanOption<boolean>(TopLevelOptions.loose, opts.loose),\n    modules: validateModulesOption(opts.modules),\n    shippedProposals: v.validateBooleanOption(\n      TopLevelOptions.shippedProposals,\n      opts.shippedProposals,\n      false,\n    ),\n    spec: v.validateBooleanOption(TopLevelOptions.spec, opts.spec, false),\n    targets: normalizeTargets(opts.targets),\n    useBuiltIns: useBuiltIns,\n    browserslistEnv: v.validateStringOption<string>(\n      TopLevelOptions.browserslistEnv,\n 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