next
Version:
The React Framework
89 lines (88 loc) • 3.85 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = swcLoader;
exports.pitch = pitch;
exports.raw = void 0;
var _swc = require("../../swc");
var _options = require("../../swc/options");
var _path = require("path");
function swcLoader(inputSource, inputSourceMap) {
const loaderSpan = this.currentTraceSpan.traceChild("next-swc-loader");
const callback = this.async();
loaderSpan.traceAsyncFn(()=>loaderTransform.call(this, loaderSpan, inputSource, inputSourceMap)).then(([transformedSource, outputSourceMap])=>{
callback(null, transformedSource, outputSourceMap || inputSourceMap);
}, (err)=>{
callback(err);
});
}
async function loaderTransform(parentTrace, source, inputSourceMap) {
// Make the loader async
const filename = this.resourcePath;
let loaderOptions = this.getOptions() || {};
const { isServer , pagesDir , hasReactRefresh , nextConfig , jsConfig , supportedBrowsers , swcCacheDir , } = loaderOptions;
const isPageFile = filename.startsWith(pagesDir);
const swcOptions = (0, _options).getLoaderSWCOptions({
pagesDir,
filename,
isServer: isServer,
isPageFile,
development: this.mode === "development",
hasReactRefresh,
nextConfig,
jsConfig,
supportedBrowsers,
swcCacheDir
});
const programmaticOptions = {
...swcOptions,
filename,
inputSourceMap: inputSourceMap ? JSON.stringify(inputSourceMap) : undefined,
// Set the default sourcemap behavior based on Webpack's mapping flag,
sourceMaps: this.sourceMap,
inlineSourcesContent: this.sourceMap,
// Ensure that Webpack will get a full absolute path in the sourcemap
// so that it can properly map the module back to its internal cached
// modules.
sourceFileName: filename
};
if (!programmaticOptions.inputSourceMap) {
delete programmaticOptions.inputSourceMap;
}
// auto detect development mode
if (this.mode && programmaticOptions.jsc && programmaticOptions.jsc.transform && programmaticOptions.jsc.transform.react && !Object.prototype.hasOwnProperty.call(programmaticOptions.jsc.transform.react, "development")) {
programmaticOptions.jsc.transform.react.development = this.mode === "development";
}
const swcSpan = parentTrace.traceChild("next-swc-transform");
return swcSpan.traceAsyncFn(()=>(0, _swc).transform(source, programmaticOptions).then((output)=>{
if (output.eliminatedPackages && this.eliminatedPackages) {
for (const pkg of JSON.parse(output.eliminatedPackages)){
this.eliminatedPackages.add(pkg);
}
}
return [
output.code,
output.map ? JSON.parse(output.map) : undefined
];
}));
}
const EXCLUDED_PATHS = /[\\/](cache[\\/][^\\/]+\.zip[\\/]node_modules|__virtual__)[\\/]/g;
function pitch() {
const callback = this.async();
(async ()=>{
let loaderOptions = this.getOptions() || {};
if (// TODO: investigate swc file reading in PnP mode?
!process.versions.pnp && loaderOptions.fileReading && !EXCLUDED_PATHS.test(this.resourcePath) && this.loaders.length - 1 === this.loaderIndex && (0, _path).isAbsolute(this.resourcePath) && !await (0, _swc).isWasm()) {
const loaderSpan = this.currentTraceSpan.traceChild("next-swc-loader");
this.addDependency(this.resourcePath);
return loaderSpan.traceAsyncFn(()=>loaderTransform.call(this, loaderSpan));
}
})().then((r)=>{
if (r) return callback(null, ...r);
callback();
}, callback);
}
const raw = true;
exports.raw = raw;
//# sourceMappingURL=next-swc-loader.js.map