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- // src/rspack/context.ts
- import { Buffer } from "buffer";
- import { resolve } from "path";
- import { Parser } from "acorn";
- function createBuildContext(compiler, compilation, loaderContext) {
- return {
- getNativeBuildContext() {
- return {
- framework: "rspack",
- compiler,
- compilation,
- loaderContext
- };
- },
- addWatchFile(file) {
- compilation.fileDependencies.add(resolve(process.cwd(), file));
- },
- getWatchFiles() {
- return Array.from(compilation.fileDependencies);
- },
- parse(code, opts = {}) {
- return Parser.parse(code, {
- sourceType: "module",
- ecmaVersion: "latest",
- locations: true,
- ...opts
- });
- },
- emitFile(emittedFile) {
- const outFileName = emittedFile.fileName || emittedFile.name;
- if (emittedFile.source && outFileName) {
- const { sources } = compilation.compiler.webpack;
- compilation.emitAsset(
- outFileName,
- new sources.RawSource(
- typeof emittedFile.source === "string" ? emittedFile.source : Buffer.from(emittedFile.source)
- )
- );
- }
- }
- };
- }
- function createContext(loader) {
- return {
- error: (error) => loader.emitError(normalizeMessage(error)),
- warn: (message) => loader.emitWarning(normalizeMessage(message))
- };
- }
- function normalizeMessage(error) {
- const err = new Error(typeof error === "string" ? error : error.message);
- if (typeof error === "object") {
- err.stack = error.stack;
- err.cause = error.meta;
- }
- return err;
- }
- // src/rspack/loaders/transform.ts
- async function transform(source, map) {
- var _a;
- const callback = this.async();
- let unpluginName;
- if (typeof this.query === "string") {
- const query = new URLSearchParams(this.query);
- unpluginName = query.get("unpluginName");
- } else {
- unpluginName = this.query.unpluginName;
- }
- const id = this.resource;
- const plugin = (_a = this._compiler) == null ? void 0 : _a.$unpluginContext[unpluginName];
- if (!(plugin == null ? void 0 : plugin.transform))
- return callback(null, source, map);
- const context = createContext(this);
- const res = await plugin.transform.call(
- Object.assign(
- {},
- this._compilation && createBuildContext(this._compiler, this._compilation, this),
- context
- ),
- source,
- id
- );
- if (res == null)
- callback(null, source, map);
- else if (typeof res !== "string")
- callback(null, res.code, map == null ? map : res.map || map);
- else callback(null, res, map);
- }
- export {
- transform as default
- };
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