65 lines
2.5 KiB
JavaScript
65 lines
2.5 KiB
JavaScript
"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.createBasePolyfillsPlugin = createBasePolyfillsPlugin;
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var _babelPluginPolyfillCorejs = require("babel-plugin-polyfill-corejs2");
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var _babelPluginPolyfillCorejs2 = require("babel-plugin-polyfill-corejs3");
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var _babelPluginPolyfillRegenerator = require("babel-plugin-polyfill-regenerator");
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const pluginCorejs2 = _babelPluginPolyfillCorejs.default || _babelPluginPolyfillCorejs;
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const pluginCorejs3 = _babelPluginPolyfillCorejs2.default || _babelPluginPolyfillCorejs2;
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const pluginRegenerator = _babelPluginPolyfillRegenerator.default || _babelPluginPolyfillRegenerator;
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const pluginsCompat = "#__secret_key__@babel/runtime__compatibility";
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function createCorejsPlugin(plugin, options, regeneratorPlugin) {
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return (api, _, filename) => {
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return Object.assign({}, plugin(api, options, filename), {
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inherits: regeneratorPlugin
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});
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};
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}
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function createRegeneratorPlugin(options, useRuntimeRegenerator) {
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if (!useRuntimeRegenerator) return undefined;
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return (api, _, filename) => {
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return pluginRegenerator(api, options, filename);
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};
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}
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function createBasePolyfillsPlugin({
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corejs,
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regenerator: useRuntimeRegenerator = true
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}, runtimeVersion, absoluteImports) {
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let proposals = false;
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let rawVersion;
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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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const corejsVersion = rawVersion ? Number(rawVersion) : false;
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if (![false, 2, 3].includes(corejsVersion)) {
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throw new Error(`The \`core-js\` version must be false, 2 or 3, but got ${JSON.stringify(rawVersion)}.`);
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}
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if (proposals && (!corejsVersion || corejsVersion < 3)) {
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throw new Error("The 'proposals' option is only supported when using 'corejs: 3'");
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}
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if (typeof useRuntimeRegenerator !== "boolean") {
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throw new Error("The 'regenerator' option must be undefined, or a boolean.");
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}
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const polyfillOpts = {
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method: "usage-pure",
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absoluteImports,
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[pluginsCompat]: {
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useBabelRuntime: true,
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runtimeVersion,
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ext: ""
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}
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};
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return corejsVersion === 2 ? createCorejsPlugin(pluginCorejs2, polyfillOpts, createRegeneratorPlugin(polyfillOpts, useRuntimeRegenerator)) : corejsVersion === 3 ? createCorejsPlugin(pluginCorejs3, Object.assign({
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version: 3,
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proposals
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}, polyfillOpts), createRegeneratorPlugin(polyfillOpts, useRuntimeRegenerator)) : createRegeneratorPlugin(polyfillOpts, useRuntimeRegenerator);
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}
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//# sourceMappingURL=polyfills.js.map
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