58 lines
2.1 KiB
JavaScript
58 lines
2.1 KiB
JavaScript
;
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const pluginCorejs2 = require("babel-plugin-polyfill-corejs2").default;
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const pluginCorejs3 = require("babel-plugin-polyfill-corejs3").default;
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const pluginRegenerator = require("babel-plugin-polyfill-regenerator").default;
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const pluginsCompat = "#__secret_key__@babel/runtime__compatibility";
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function createCorejs2Plugin(options) {
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return (api, _, filename) => pluginCorejs2(api, options, filename);
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}
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function createCorejs3Plugin(options) {
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return (api, _, filename) => pluginCorejs3(api, options, filename);
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}
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function createRegeneratorPlugin(options, useRuntimeRegenerator, corejsPlugin) {
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if (!useRuntimeRegenerator) return corejsPlugin != null ? corejsPlugin : undefined;
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return (api, _, filename) => {
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return Object.assign({}, pluginRegenerator(api, options, filename), {
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inherits: corejsPlugin != null ? corejsPlugin : undefined
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});
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};
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}
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module.exports = function createBasePolyfillsPlugin({
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corejs,
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regenerator = true,
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moduleName
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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 regenerator !== "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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proposals,
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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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moduleName
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}
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};
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return createRegeneratorPlugin(polyfillOpts, regenerator, corejsVersion === 2 ? createCorejs2Plugin(polyfillOpts) : corejsVersion === 3 ? createCorejs3Plugin(polyfillOpts) : null);
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};
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//# sourceMappingURL=polyfills.cjs.map
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