53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
"use strict";
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const memfs = require("memfs");
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/** @typedef {import("webpack").MultiCompiler} MultiCompiler */
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/** @typedef {import("../index.js").IncomingMessage} IncomingMessage */
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/** @typedef {import("../index.js").ServerResponse} ServerResponse */
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/**
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* @template {IncomingMessage} Request
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* @template {ServerResponse} Response
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* @param {import("../index.js").Context<Request, Response>} context
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*/
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function setupOutputFileSystem(context) {
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let outputFileSystem;
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if (context.options.outputFileSystem) {
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const {
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outputFileSystem: outputFileSystemFromOptions
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} = context.options;
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outputFileSystem = outputFileSystemFromOptions;
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}
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// Don't use `memfs` when developer wants to write everything to a disk, because it doesn't make sense.
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else if (context.options.writeToDisk !== true) {
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outputFileSystem = memfs.createFsFromVolume(new memfs.Volume());
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} else {
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const isMultiCompiler = /** @type {MultiCompiler} */
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context.compiler.compilers;
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if (isMultiCompiler) {
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// Prefer compiler with `devServer` option or fallback on the first
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// TODO we need to support webpack-dev-server as a plugin or revisit it
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const compiler = /** @type {MultiCompiler} */
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context.compiler.compilers.filter(item => Object.prototype.hasOwnProperty.call(item.options, "devServer"));
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({
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outputFileSystem
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} = compiler[0] || /** @type {MultiCompiler} */
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context.compiler.compilers[0]);
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} else {
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({
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outputFileSystem
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} = context.compiler);
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}
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}
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const compilers = /** @type {MultiCompiler} */
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context.compiler.compilers || [context.compiler];
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for (const compiler of compilers) {
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compiler.outputFileSystem = outputFileSystem;
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}
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// @ts-ignore
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// eslint-disable-next-line no-param-reassign
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context.outputFileSystem = outputFileSystem;
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}
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module.exports = setupOutputFileSystem; |