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51 lines
2.0 KiB
51 lines
2.0 KiB
4 weeks ago
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"use strict";
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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
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function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
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const babel = require("@babel/core");
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const {
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promisify
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} = require("util");
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const LoaderError = require("./Error");
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const transform = promisify(babel.transform);
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module.exports = /*#__PURE__*/function () {
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var _ref = _asyncToGenerator(function* (source, options) {
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let result;
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try {
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result = yield transform(source, options);
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} catch (err) {
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throw err.message && err.codeFrame ? new LoaderError(err) : err;
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}
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if (!result) return null;
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// We don't return the full result here because some entries are not
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// really serializable. For a full list of properties see here:
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// https://github.com/babel/babel/blob/main/packages/babel-core/src/transformation/index.js
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// For discussion on this topic see here:
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// https://github.com/babel/babel-loader/pull/629
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const {
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ast,
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code,
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map,
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metadata,
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sourceType,
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externalDependencies
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} = result;
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if (map && (!map.sourcesContent || !map.sourcesContent.length)) {
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map.sourcesContent = [source];
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}
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return {
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ast,
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code,
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map,
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metadata,
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sourceType,
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// Convert it from a Set to an Array to make it JSON-serializable.
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externalDependencies: Array.from(externalDependencies || [])
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};
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});
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return function (_x, _x2) {
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return _ref.apply(this, arguments);
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};
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}();
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module.exports.version = babel.version;
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