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380 lines
12 KiB
380 lines
12 KiB
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const path = require("path");
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const OptionsDefaulter = require("./OptionsDefaulter");
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const Template = require("./Template");
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const isProductionLikeMode = options => {
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return options.mode === "production" || !options.mode;
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};
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const isWebLikeTarget = options => {
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return options.target === "web" || options.target === "webworker";
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};
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const getDevtoolNamespace = library => {
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// if options.output.library is a string
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if (Array.isArray(library)) {
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return library.join(".");
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} else if (typeof library === "object") {
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return getDevtoolNamespace(library.root);
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}
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return library || "";
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};
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class WebpackOptionsDefaulter extends OptionsDefaulter {
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constructor() {
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super();
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this.set("entry", "./src");
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this.set("devtool", "make", options =>
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options.mode === "development" ? "eval" : false
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);
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this.set("cache", "make", options => options.mode === "development");
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this.set("context", process.cwd());
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this.set("target", "web");
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this.set("module", "call", value => Object.assign({}, value));
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this.set("module.unknownContextRequest", ".");
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this.set("module.unknownContextRegExp", false);
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this.set("module.unknownContextRecursive", true);
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this.set("module.unknownContextCritical", true);
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this.set("module.exprContextRequest", ".");
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this.set("module.exprContextRegExp", false);
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this.set("module.exprContextRecursive", true);
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this.set("module.exprContextCritical", true);
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this.set("module.wrappedContextRegExp", /.*/);
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this.set("module.wrappedContextRecursive", true);
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this.set("module.wrappedContextCritical", false);
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this.set("module.strictExportPresence", false);
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this.set("module.strictThisContextOnImports", false);
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this.set("module.unsafeCache", "make", options => !!options.cache);
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this.set("module.rules", []);
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this.set("module.defaultRules", "make", options => [
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{
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type: "javascript/auto",
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resolve: {}
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},
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{
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test: /\.mjs$/i,
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type: "javascript/esm",
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resolve: {
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mainFields:
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options.target === "web" ||
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options.target === "webworker" ||
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options.target === "electron-renderer"
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? ["browser", "main"]
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: ["main"]
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}
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},
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{
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test: /\.json$/i,
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type: "json"
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},
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{
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test: /\.wasm$/i,
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type: "webassembly/experimental"
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}
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]);
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this.set("output", "call", (value, options) => {
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if (typeof value === "string") {
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return {
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filename: value
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};
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} else if (typeof value !== "object") {
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return {};
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} else {
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return Object.assign({}, value);
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}
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});
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this.set("output.filename", "[name].js");
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this.set("output.chunkFilename", "make", options => {
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const filename = options.output.filename;
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if (typeof filename !== "function") {
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const hasName = filename.includes("[name]");
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const hasId = filename.includes("[id]");
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const hasChunkHash = filename.includes("[chunkhash]");
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// Anything changing depending on chunk is fine
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if (hasChunkHash || hasName || hasId) return filename;
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// Elsewise prefix "[id]." in front of the basename to make it changing
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return filename.replace(/(^|\/)([^/]*(?:\?|$))/, "$1[id].$2");
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}
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return "[id].js";
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});
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this.set("output.webassemblyModuleFilename", "[modulehash].module.wasm");
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this.set("output.library", "");
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this.set("output.hotUpdateFunction", "make", options => {
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return Template.toIdentifier(
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"webpackHotUpdate" + Template.toIdentifier(options.output.library)
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);
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});
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this.set("output.jsonpFunction", "make", options => {
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return Template.toIdentifier(
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"webpackJsonp" + Template.toIdentifier(options.output.library)
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);
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});
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this.set("output.chunkCallbackName", "make", options => {
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return Template.toIdentifier(
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"webpackChunk" + Template.toIdentifier(options.output.library)
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);
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});
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this.set("output.globalObject", "make", options => {
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switch (options.target) {
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case "web":
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case "electron-renderer":
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case "node-webkit":
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return "window";
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case "webworker":
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return "self";
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case "node":
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case "async-node":
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case "electron-main":
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return "global";
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default:
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return "self";
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}
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});
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this.set("output.devtoolNamespace", "make", options => {
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return getDevtoolNamespace(options.output.library);
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});
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this.set("output.libraryTarget", "var");
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this.set("output.path", path.join(process.cwd(), "dist"));
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this.set(
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"output.pathinfo",
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"make",
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options => options.mode === "development"
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);
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this.set("output.sourceMapFilename", "[file].map[query]");
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this.set("output.hotUpdateChunkFilename", "[id].[hash].hot-update.js");
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this.set("output.hotUpdateMainFilename", "[hash].hot-update.json");
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this.set("output.crossOriginLoading", false);
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this.set("output.jsonpScriptType", false);
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this.set("output.chunkLoadTimeout", 120000);
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this.set("output.hashFunction", "md4");
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this.set("output.hashDigest", "hex");
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this.set("output.hashDigestLength", 20);
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this.set("output.devtoolLineToLine", false);
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this.set("output.strictModuleExceptionHandling", false);
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this.set("node", "call", value => {
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if (typeof value === "boolean") {
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return value;
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} else {
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return Object.assign({}, value);
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}
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});
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this.set("node.console", false);
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this.set("node.process", true);
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this.set("node.global", true);
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this.set("node.Buffer", true);
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this.set("node.setImmediate", true);
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this.set("node.__filename", "mock");
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this.set("node.__dirname", "mock");
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this.set("performance", "call", (value, options) => {
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if (value === false) return false;
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if (
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value === undefined &&
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(!isProductionLikeMode(options) || !isWebLikeTarget(options))
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)
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return false;
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return Object.assign({}, value);
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});
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this.set("performance.maxAssetSize", 250000);
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this.set("performance.maxEntrypointSize", 250000);
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this.set("performance.hints", "make", options =>
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isProductionLikeMode(options) ? "warning" : false
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);
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this.set("optimization", "call", value => Object.assign({}, value));
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// TODO webpack 5: Disable by default in a modes
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this.set(
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"optimization.removeAvailableModules",
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"make",
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options => options.mode !== "development"
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);
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this.set("optimization.removeEmptyChunks", true);
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this.set("optimization.mergeDuplicateChunks", true);
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this.set("optimization.flagIncludedChunks", "make", options =>
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isProductionLikeMode(options)
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);
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// TODO webpack 5 add `moduleIds: "named"` default for development
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// TODO webpack 5 add `moduleIds: "size"` default for production
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// TODO webpack 5 remove optimization.occurrenceOrder
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this.set("optimization.occurrenceOrder", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.sideEffects", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.providedExports", true);
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this.set("optimization.usedExports", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.concatenateModules", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.splitChunks", {});
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this.set("optimization.splitChunks.hidePathInfo", "make", options => {
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return isProductionLikeMode(options);
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});
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this.set("optimization.splitChunks.chunks", "async");
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this.set("optimization.splitChunks.minSize", "make", options => {
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return isProductionLikeMode(options) ? 30000 : 10000;
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});
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this.set("optimization.splitChunks.minChunks", 1);
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this.set("optimization.splitChunks.maxAsyncRequests", "make", options => {
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return isProductionLikeMode(options) ? 5 : Infinity;
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});
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this.set("optimization.splitChunks.automaticNameDelimiter", "~");
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this.set("optimization.splitChunks.automaticNameMaxLength", 109);
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this.set("optimization.splitChunks.maxInitialRequests", "make", options => {
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return isProductionLikeMode(options) ? 3 : Infinity;
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});
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this.set("optimization.splitChunks.name", true);
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this.set("optimization.splitChunks.cacheGroups", {});
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this.set("optimization.splitChunks.cacheGroups.default", {
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automaticNamePrefix: "",
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reuseExistingChunk: true,
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minChunks: 2,
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priority: -20
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});
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this.set("optimization.splitChunks.cacheGroups.vendors", {
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automaticNamePrefix: "vendors",
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test: /[\\/]node_modules[\\/]/,
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priority: -10
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});
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this.set("optimization.runtimeChunk", "call", value => {
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if (value === "single") {
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return {
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name: "runtime"
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};
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}
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if (value === true || value === "multiple") {
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return {
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name: entrypoint => `runtime~${entrypoint.name}`
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};
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}
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return value;
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});
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this.set("optimization.noEmitOnErrors", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.checkWasmTypes", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.mangleWasmImports", false);
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// TODO webpack 5 remove optimization.namedModules
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this.set(
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"optimization.namedModules",
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"make",
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options => options.mode === "development"
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);
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this.set("optimization.hashedModuleIds", false);
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// TODO webpack 5 add `chunkIds: "named"` default for development
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// TODO webpack 5 add `chunkIds: "size"` default for production
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// TODO webpack 5 remove optimization.namedChunks
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this.set(
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"optimization.namedChunks",
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"make",
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options => options.mode === "development"
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);
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this.set(
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"optimization.portableRecords",
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"make",
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options =>
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!!(
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options.recordsInputPath ||
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options.recordsOutputPath ||
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options.recordsPath
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)
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);
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this.set("optimization.minimize", "make", options =>
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isProductionLikeMode(options)
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);
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this.set("optimization.minimizer", "make", options => [
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{
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apply: compiler => {
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// Lazy load the Terser plugin
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const TerserPlugin = require("terser-webpack-plugin");
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const SourceMapDevToolPlugin = require("./SourceMapDevToolPlugin");
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new TerserPlugin({
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cache: true,
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parallel: true,
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sourceMap:
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(options.devtool && /source-?map/.test(options.devtool)) ||
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(options.plugins &&
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options.plugins.some(p => p instanceof SourceMapDevToolPlugin))
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}).apply(compiler);
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}
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}
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]);
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this.set("optimization.nodeEnv", "make", options => {
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// TODO: In webpack 5, it should return `false` when mode is `none`
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return options.mode || "production";
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});
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this.set("resolve", "call", value => Object.assign({}, value));
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this.set("resolve.unsafeCache", true);
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this.set("resolve.modules", ["node_modules"]);
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this.set("resolve.extensions", [".wasm", ".mjs", ".js", ".json"]);
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this.set("resolve.mainFiles", ["index"]);
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this.set("resolve.aliasFields", "make", options => {
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if (
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options.target === "web" ||
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options.target === "webworker" ||
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options.target === "electron-renderer"
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) {
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return ["browser"];
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} else {
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return [];
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}
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});
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this.set("resolve.mainFields", "make", options => {
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if (
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options.target === "web" ||
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options.target === "webworker" ||
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options.target === "electron-renderer"
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) {
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return ["browser", "module", "main"];
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} else {
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return ["module", "main"];
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}
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});
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this.set("resolve.cacheWithContext", "make", options => {
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return (
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Array.isArray(options.resolve.plugins) &&
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options.resolve.plugins.length > 0
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);
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});
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this.set("resolveLoader", "call", value => Object.assign({}, value));
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this.set("resolveLoader.unsafeCache", true);
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this.set("resolveLoader.mainFields", ["loader", "main"]);
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this.set("resolveLoader.extensions", [".js", ".json"]);
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this.set("resolveLoader.mainFiles", ["index"]);
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this.set("resolveLoader.cacheWithContext", "make", options => {
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return (
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Array.isArray(options.resolveLoader.plugins) &&
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options.resolveLoader.plugins.length > 0
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);
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});
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this.set("infrastructureLogging", "call", value =>
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Object.assign({}, value)
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);
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this.set("infrastructureLogging.level", "info");
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this.set("infrastructureLogging.debug", false);
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}
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}
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module.exports = WebpackOptionsDefaulter;
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