81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
// src/webpack/context.ts
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import { resolve } from "path";
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import { Buffer } from "buffer";
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import sources from "webpack-sources";
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import { Parser } from "acorn";
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function createContext(compilation) {
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return {
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parse(code, opts = {}) {
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return Parser.parse(code, {
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sourceType: "module",
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ecmaVersion: "latest",
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locations: true,
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...opts
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});
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},
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addWatchFile(id) {
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(compilation.fileDependencies ?? compilation.compilationDependencies).add(
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resolve(process.cwd(), id)
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);
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},
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emitFile(emittedFile) {
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const outFileName = emittedFile.fileName || emittedFile.name;
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if (emittedFile.source && outFileName) {
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compilation.emitAsset(
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outFileName,
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sources ? new sources.RawSource(
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// @ts-expect-error types mismatch
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typeof emittedFile.source === "string" ? emittedFile.source : Buffer.from(emittedFile.source)
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) : {
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source: () => emittedFile.source,
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size: () => emittedFile.source.length
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}
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);
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}
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},
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getWatchFiles() {
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return Array.from(
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compilation.fileDependencies ?? compilation.compilationDependencies
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);
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}
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};
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}
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// src/utils.ts
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import { isAbsolute, normalize } from "path";
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function normalizeAbsolutePath(path) {
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if (isAbsolute(path))
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return normalize(path);
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else
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return path;
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}
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// src/webpack/loaders/load.ts
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async function load(source, map) {
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const callback = this.async();
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const { unpluginName } = this.query;
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const plugin = this._compiler?.$unpluginContext[unpluginName];
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let id = this.resource;
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if (!plugin?.load || !id)
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return callback(null, source, map);
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const context = {
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error: (error) => this.emitError(typeof error === "string" ? new Error(error) : error),
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warn: (error) => this.emitWarning(typeof error === "string" ? new Error(error) : error)
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};
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if (id.startsWith(plugin.__virtualModulePrefix))
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id = decodeURIComponent(id.slice(plugin.__virtualModulePrefix.length));
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const res = await plugin.load.call(
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Object.assign(this._compilation && createContext(this._compilation), context),
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normalizeAbsolutePath(id)
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);
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if (res == null)
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callback(null, source, map);
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else if (typeof res !== "string")
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callback(null, res.code, res.map ?? map);
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else
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callback(null, res, map);
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}
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export {
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load as default
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};
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