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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformer = void 0;
const core_1 = require("@babel/core");
const transformer = async ({ content, filename, options, map = undefined, }) => {
const babelOptions = {
...options,
inputSourceMap: typeof map === 'string' ? JSON.parse(map) : map !== null && map !== void 0 ? map : undefined,
sourceType: 'module',
// istanbul ignore next
sourceMaps: !!(options === null || options === void 0 ? void 0 : options.sourceMaps),
filename,
minified: false,
ast: false,
code: true,
caller: {
name: 'svelte-preprocess',
supportsStaticESM: true,
supportsDynamicImport: true,
// this isn't supported by Svelte but let it error with a good error on this syntax untouched
supportsTopLevelAwait: true,
// todo: this can be enabled once all "peer deps" understand this
// this syntax is supported since [email protected] and [email protected]
// supportsExportNamespaceFrom: true,
...options === null || options === void 0 ? void 0 : options.caller,
},
};
const result = await (0, core_1.transformAsync)(content, babelOptions);
if (result == null) {
return { code: content };
}
const { code, map: sourcemap } = result;
return {
code: code,
map: sourcemap !== null && sourcemap !== void 0 ? sourcemap : undefined,
};
};
exports.transformer = transformer;
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