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app_vue/node_modules/@babel/preset-env/lib/index.js
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vendored
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336
app_vue/node_modules/@babel/preset-env/lib/index.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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exports.isPluginRequired = isPluginRequired;
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exports.transformIncludesAndExcludes = void 0;
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var _semver = require("semver");
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var _debug = require("./debug.js");
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var _filterItems = require("./filter-items.js");
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var _moduleTransformations = require("./module-transformations.js");
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var _normalizeOptions = require("./normalize-options.js");
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var _shippedProposals = require("./shipped-proposals.js");
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var _pluginsCompatData = require("./plugins-compat-data.js");
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var _babelPluginPolyfillCorejs = require("babel-plugin-polyfill-corejs3");
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var _babel7Plugins = require("./polyfills/babel-7-plugins.cjs");
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var _helperCompilationTargets = require("@babel/helper-compilation-targets");
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var _availablePlugins = require("./available-plugins.js");
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var _helperPluginUtils = require("@babel/helper-plugin-utils");
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const pluginCoreJS3 = _babelPluginPolyfillCorejs.default || _babelPluginPolyfillCorejs;
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function isPluginRequired(targets, support) {
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return (0, _helperCompilationTargets.isRequired)("fake-name", targets, {
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compatData: {
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"fake-name": support
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}
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});
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}
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function filterStageFromList(list, stageList) {
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return Object.keys(list).reduce((result, item) => {
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if (!stageList.has(item)) {
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result[item] = list[item];
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}
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return result;
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}, {});
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}
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const pluginsListWithProposals = Object.assign({}, _pluginsCompatData.plugins, _pluginsCompatData.pluginsBugfixes);
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const pluginsListWithuotProposals = filterStageFromList(pluginsListWithProposals, _shippedProposals.proposalPlugins);
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{
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var pluginsListNoBugfixesWithProposals = _pluginsCompatData.plugins;
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var pluginsListNoBugfixesWithoutProposals = filterStageFromList(_pluginsCompatData.plugins, _shippedProposals.proposalPlugins);
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}
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const getPlugin = pluginName => {
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const plugin = _availablePlugins.default[pluginName]();
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if (!plugin) {
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throw new Error(`Could not find plugin "${pluginName}". Ensure there is an entry in ./available-plugins.js for it.`);
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}
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return plugin;
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};
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const transformIncludesAndExcludes = opts => {
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return opts.reduce((result, opt) => {
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const target = /^(?:es|es6|es7|esnext|web)\./.test(opt) ? "builtIns" : "plugins";
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result[target].add(opt);
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return result;
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}, {
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all: opts,
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plugins: new Set(),
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builtIns: new Set()
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});
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};
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exports.transformIncludesAndExcludes = transformIncludesAndExcludes;
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function getSpecialModulesPluginNames(modules, shouldTransformDynamicImport, babelVersion) {
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const modulesPluginNames = [];
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if (modules) {
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modulesPluginNames.push(_moduleTransformations.default[modules]);
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}
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if (shouldTransformDynamicImport) {
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if (modules && modules !== "umd") {
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modulesPluginNames.push("transform-dynamic-import");
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} else {
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console.warn("Dynamic import can only be transformed when transforming ES" + " modules to AMD, CommonJS or SystemJS.");
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}
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}
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if (babelVersion[0] !== "8") {
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if (!shouldTransformDynamicImport) {
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modulesPluginNames.push("syntax-dynamic-import");
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}
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modulesPluginNames.push("syntax-top-level-await");
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modulesPluginNames.push("syntax-import-meta");
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}
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return modulesPluginNames;
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}
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const getCoreJSOptions = ({
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useBuiltIns,
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corejs,
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polyfillTargets,
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include,
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exclude,
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proposals,
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shippedProposals,
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debug
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}) => ({
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method: `${useBuiltIns}-global`,
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version: corejs ? corejs.toString() : undefined,
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targets: polyfillTargets,
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include,
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exclude,
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proposals,
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shippedProposals,
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debug,
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"#__secret_key__@babel/preset-env__compatibility": {
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noRuntimeName: true
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}
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});
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{
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var getPolyfillPlugins = ({
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useBuiltIns,
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corejs,
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polyfillTargets,
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include,
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exclude,
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proposals,
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shippedProposals,
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regenerator,
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debug
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}) => {
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const polyfillPlugins = [];
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if (useBuiltIns === "usage" || useBuiltIns === "entry") {
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const pluginOptions = getCoreJSOptions({
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useBuiltIns,
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corejs,
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polyfillTargets,
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include,
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exclude,
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proposals,
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shippedProposals,
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debug
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});
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if (corejs) {
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{
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if (useBuiltIns === "usage") {
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if (corejs.major === 2) {
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polyfillPlugins.push([_babel7Plugins.pluginCoreJS2, pluginOptions], [_babel7Plugins.legacyBabelPolyfillPlugin, {
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usage: true
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}]);
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} else {
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polyfillPlugins.push([pluginCoreJS3, pluginOptions], [_babel7Plugins.legacyBabelPolyfillPlugin, {
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usage: true,
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deprecated: true
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}]);
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}
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if (regenerator) {
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polyfillPlugins.push([_babel7Plugins.pluginRegenerator, {
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method: "usage-global",
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debug
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}]);
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}
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} else {
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if (corejs.major === 2) {
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polyfillPlugins.push([_babel7Plugins.legacyBabelPolyfillPlugin, {
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regenerator
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}], [_babel7Plugins.pluginCoreJS2, pluginOptions]);
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} else {
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polyfillPlugins.push([pluginCoreJS3, pluginOptions], [_babel7Plugins.legacyBabelPolyfillPlugin, {
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deprecated: true
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}]);
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if (!regenerator) {
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polyfillPlugins.push([_babel7Plugins.removeRegeneratorEntryPlugin, pluginOptions]);
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}
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}
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}
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}
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}
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}
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return polyfillPlugins;
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};
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{
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exports.getPolyfillPlugins = getPolyfillPlugins;
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}
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}
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function getLocalTargets(optionsTargets, ignoreBrowserslistConfig, configPath, browserslistEnv, api) {
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if (optionsTargets != null && optionsTargets.esmodules && optionsTargets.browsers) {
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console.warn(`
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@babel/preset-env: esmodules and browsers targets have been specified together.
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\`browsers\` target, \`${optionsTargets.browsers.toString()}\` will be ignored.
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`);
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}
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return (0, _helperCompilationTargets.default)(optionsTargets, {
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ignoreBrowserslistConfig,
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configPath,
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browserslistEnv,
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onBrowserslistConfigFound(config) {
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api.addExternalDependency(config);
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}
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});
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}
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function supportsStaticESM(caller) {
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return !!(caller != null && caller.supportsStaticESM);
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}
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function supportsDynamicImport(caller) {
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return !!(caller != null && caller.supportsDynamicImport);
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}
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function supportsExportNamespaceFrom(caller) {
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return !!(caller != null && caller.supportsExportNamespaceFrom);
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}
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var _default = exports.default = (0, _helperPluginUtils.declarePreset)((api, opts) => {
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api.assertVersion(7);
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const babelTargets = api.targets();
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;
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const {
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configPath,
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debug,
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exclude: optionsExclude,
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forceAllTransforms,
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ignoreBrowserslistConfig,
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include: optionsInclude,
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modules: optionsModules,
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shippedProposals,
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targets: optionsTargets,
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useBuiltIns,
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corejs: {
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version: corejs,
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proposals
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},
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browserslistEnv
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} = (0, _normalizeOptions.default)(opts);
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{
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var {
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loose,
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spec = false,
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bugfixes = false
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} = opts;
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}
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let targets = babelTargets;
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if (_semver.lt(api.version, "7.13.0") || opts.targets || opts.configPath || opts.browserslistEnv || opts.ignoreBrowserslistConfig) {
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{
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var hasUglifyTarget = false;
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if (optionsTargets != null && optionsTargets.uglify) {
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hasUglifyTarget = true;
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delete optionsTargets.uglify;
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console.warn(`
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The uglify target has been deprecated. Set the top level
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option \`forceAllTransforms: true\` instead.
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`);
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}
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}
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targets = getLocalTargets(optionsTargets, ignoreBrowserslistConfig, configPath, browserslistEnv, api);
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}
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const transformTargets = forceAllTransforms || hasUglifyTarget ? {} : targets;
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const include = transformIncludesAndExcludes(optionsInclude);
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const exclude = transformIncludesAndExcludes(optionsExclude);
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const compatData = bugfixes ? shippedProposals ? pluginsListWithProposals : pluginsListWithuotProposals : shippedProposals ? pluginsListNoBugfixesWithProposals : pluginsListNoBugfixesWithoutProposals;
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const modules = optionsModules === "auto" ? api.caller(supportsStaticESM) ? false : "commonjs" : optionsModules;
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const shouldTransformDynamicImport = optionsModules === "auto" ? !api.caller(supportsDynamicImport) : !!modules;
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if (!exclude.plugins.has("transform-export-namespace-from") && (optionsModules === "auto" ? !api.caller(supportsExportNamespaceFrom) : !!modules)) {
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include.plugins.add("transform-export-namespace-from");
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}
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const pluginNames = (0, _helperCompilationTargets.filterItems)(compatData, include.plugins, exclude.plugins, transformTargets, getSpecialModulesPluginNames(modules, shouldTransformDynamicImport, api.version), !loose ? undefined : ["transform-typeof-symbol"], _shippedProposals.pluginSyntaxMap);
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if (shippedProposals) {
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(0, _filterItems.addProposalSyntaxPlugins)(pluginNames, _shippedProposals.proposalSyntaxPlugins);
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}
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(0, _filterItems.removeUnsupportedItems)(pluginNames, api.version);
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(0, _filterItems.removeUnnecessaryItems)(pluginNames, _pluginsCompatData.overlappingPlugins);
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const polyfillPlugins = getPolyfillPlugins({
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useBuiltIns,
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corejs,
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polyfillTargets: targets,
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include: include.builtIns,
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exclude: exclude.builtIns,
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proposals,
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shippedProposals,
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regenerator: pluginNames.has("transform-regenerator"),
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debug
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});
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const pluginUseBuiltIns = useBuiltIns !== false;
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const plugins = Array.from(pluginNames).map(pluginName => {
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if (pluginName === "transform-class-properties" || pluginName === "transform-private-methods" || pluginName === "transform-private-property-in-object") {
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return [getPlugin(pluginName), {
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loose: loose ? "#__internal__@babel/preset-env__prefer-true-but-false-is-ok-if-it-prevents-an-error" : "#__internal__@babel/preset-env__prefer-false-but-true-is-ok-if-it-prevents-an-error"
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}];
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}
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if (pluginName === "syntax-import-attributes") {
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return [getPlugin(pluginName), {
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deprecatedAssertSyntax: true
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}];
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}
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return [getPlugin(pluginName), {
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spec,
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loose,
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useBuiltIns: pluginUseBuiltIns
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}];
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}).concat(polyfillPlugins);
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if (debug) {
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console.log("@babel/preset-env: `DEBUG` option");
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console.log("\nUsing targets:");
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console.log(JSON.stringify((0, _helperCompilationTargets.prettifyTargets)(targets), null, 2));
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console.log(`\nUsing modules transform: ${optionsModules.toString()}`);
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console.log("\nUsing plugins:");
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pluginNames.forEach(pluginName => {
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(0, _debug.logPlugin)(pluginName, targets, compatData);
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});
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if (!useBuiltIns) {
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console.log("\nUsing polyfills: No polyfills were added, since the `useBuiltIns` option was not set.");
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}
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}
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return {
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plugins
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};
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});
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{
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exports.getModulesPluginNames = ({
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modules,
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transformations,
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shouldTransformESM,
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shouldTransformDynamicImport,
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shouldTransformExportNamespaceFrom
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}) => {
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const modulesPluginNames = [];
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if (modules !== false && transformations[modules]) {
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if (shouldTransformESM) {
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modulesPluginNames.push(transformations[modules]);
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}
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if (shouldTransformDynamicImport) {
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if (shouldTransformESM && modules !== "umd") {
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modulesPluginNames.push("transform-dynamic-import");
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} else {
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console.warn("Dynamic import can only be transformed when transforming ES" + " modules to AMD, CommonJS or SystemJS.");
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}
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}
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}
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if (shouldTransformExportNamespaceFrom) {
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modulesPluginNames.push("transform-export-namespace-from");
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}
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if (!shouldTransformDynamicImport) {
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modulesPluginNames.push("syntax-dynamic-import");
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}
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if (!shouldTransformExportNamespaceFrom) {
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modulesPluginNames.push("syntax-export-namespace-from");
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}
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modulesPluginNames.push("syntax-top-level-await");
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modulesPluginNames.push("syntax-import-meta");
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return modulesPluginNames;
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};
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}
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//# sourceMappingURL=index.js.map
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