mirror of https://github.com/webpack/webpack.git
1262 lines
36 KiB
JavaScript
1262 lines
36 KiB
JavaScript
/*
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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 fs = require("fs");
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const path = require("path");
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const Template = require("../Template");
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const { cleverMerge } = require("../util/cleverMerge");
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const {
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getTargetsProperties,
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getTargetProperties,
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getDefaultTarget
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} = require("./target");
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/** @typedef {import("../../declarations/WebpackOptions").CacheOptionsNormalized} CacheOptions */
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/** @typedef {import("../../declarations/WebpackOptions").EntryDescription} EntryDescription */
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/** @typedef {import("../../declarations/WebpackOptions").EntryNormalized} Entry */
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/** @typedef {import("../../declarations/WebpackOptions").Experiments} Experiments */
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/** @typedef {import("../../declarations/WebpackOptions").ExperimentsNormalized} ExperimentsNormalized */
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/** @typedef {import("../../declarations/WebpackOptions").ExternalsPresets} ExternalsPresets */
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/** @typedef {import("../../declarations/WebpackOptions").ExternalsType} ExternalsType */
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/** @typedef {import("../../declarations/WebpackOptions").InfrastructureLogging} InfrastructureLogging */
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/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
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/** @typedef {import("../../declarations/WebpackOptions").Library} Library */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryName} LibraryName */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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/** @typedef {import("../../declarations/WebpackOptions").Loader} Loader */
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/** @typedef {import("../../declarations/WebpackOptions").Mode} Mode */
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/** @typedef {import("../../declarations/WebpackOptions").ModuleOptionsNormalized} ModuleOptions */
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/** @typedef {import("../../declarations/WebpackOptions").Node} WebpackNode */
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/** @typedef {import("../../declarations/WebpackOptions").Optimization} Optimization */
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/** @typedef {import("../../declarations/WebpackOptions").OutputNormalized} Output */
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/** @typedef {import("../../declarations/WebpackOptions").Performance} Performance */
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/** @typedef {import("../../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
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/** @typedef {import("../../declarations/WebpackOptions").RuleSetRules} RuleSetRules */
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/** @typedef {import("../../declarations/WebpackOptions").SnapshotOptions} SnapshotOptions */
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/** @typedef {import("../../declarations/WebpackOptions").Target} Target */
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/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
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/** @typedef {import("./target").TargetProperties} TargetProperties */
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const NODE_MODULES_REGEXP = /[\\/]node_modules[\\/]/i;
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/**
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* Sets a constant default value when undefined
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* @template T
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* @template {keyof T} P
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* @param {T} obj an object
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* @param {P} prop a property of this object
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* @param {T[P]} value a default value of the property
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* @returns {void}
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*/
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const D = (obj, prop, value) => {
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if (obj[prop] === undefined) {
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obj[prop] = value;
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}
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};
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/**
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* Sets a dynamic default value when undefined, by calling the factory function
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* @template T
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* @template {keyof T} P
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* @param {T} obj an object
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* @param {P} prop a property of this object
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* @param {function(): T[P]} factory a default value factory for the property
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* @returns {void}
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*/
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const F = (obj, prop, factory) => {
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if (obj[prop] === undefined) {
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obj[prop] = factory();
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}
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};
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/**
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* Sets a dynamic default value when undefined, by calling the factory function.
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* factory must return an array or undefined
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* When the current value is already an array an contains "..." it's replaced with
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* the result of the factory function
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* @template T
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* @template {keyof T} P
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* @param {T} obj an object
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* @param {P} prop a property of this object
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* @param {function(): T[P]} factory a default value factory for the property
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* @returns {void}
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*/
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const A = (obj, prop, factory) => {
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const value = obj[prop];
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if (value === undefined) {
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obj[prop] = factory();
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} else if (Array.isArray(value)) {
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/** @type {any[]} */
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let newArray = undefined;
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for (let i = 0; i < value.length; i++) {
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const item = value[i];
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if (item === "...") {
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if (newArray === undefined) {
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newArray = value.slice(0, i);
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obj[prop] = /** @type {T[P]} */ (/** @type {unknown} */ (newArray));
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}
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const items = /** @type {any[]} */ (/** @type {unknown} */ (factory()));
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if (items !== undefined) {
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for (const item of items) {
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newArray.push(item);
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}
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}
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} else if (newArray !== undefined) {
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newArray.push(item);
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}
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}
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}
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};
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/**
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* @param {WebpackOptions} options options to be modified
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* @returns {void}
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*/
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const applyWebpackOptionsBaseDefaults = options => {
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F(options, "context", () => process.cwd());
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applyInfrastructureLoggingDefaults(options.infrastructureLogging);
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};
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/**
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* @param {WebpackOptions} options options to be modified
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* @returns {void}
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*/
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const applyWebpackOptionsDefaults = options => {
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F(options, "context", () => process.cwd());
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F(options, "target", () => {
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return getDefaultTarget(options.context);
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});
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const { mode, name, target } = options;
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let targetProperties =
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target === false
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? /** @type {false} */ (false)
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: typeof target === "string"
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? getTargetProperties(target, options.context)
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: getTargetsProperties(target, options.context);
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const development = mode === "development";
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const production = mode === "production" || !mode;
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if (typeof options.entry !== "function") {
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for (const key of Object.keys(options.entry)) {
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F(
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options.entry[key],
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"import",
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() => /** @type {[string]} */ (["./src"])
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);
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}
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}
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F(options, "devtool", () => (development ? "eval" : false));
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D(options, "watch", false);
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D(options, "profile", false);
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D(options, "parallelism", 100);
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D(options, "recordsInputPath", false);
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D(options, "recordsOutputPath", false);
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applyExperimentsDefaults(options.experiments, { production, development });
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const futureDefaults = options.experiments.futureDefaults;
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F(options, "cache", () =>
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development ? { type: /** @type {"memory"} */ ("memory") } : false
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);
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applyCacheDefaults(options.cache, {
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name: name || "default",
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mode: mode || "production",
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development,
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cacheUnaffected: options.experiments.cacheUnaffected
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});
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const cache = !!options.cache;
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applySnapshotDefaults(options.snapshot, {
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production,
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futureDefaults
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});
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applyModuleDefaults(options.module, {
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cache,
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syncWebAssembly: options.experiments.syncWebAssembly,
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asyncWebAssembly: options.experiments.asyncWebAssembly,
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css: options.experiments.css,
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futureDefaults
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});
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applyOutputDefaults(options.output, {
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context: options.context,
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targetProperties,
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isAffectedByBrowserslist:
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target === undefined ||
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(typeof target === "string" && target.startsWith("browserslist")) ||
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(Array.isArray(target) &&
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target.some(target => target.startsWith("browserslist"))),
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outputModule: options.experiments.outputModule,
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development,
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entry: options.entry,
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module: options.module,
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futureDefaults
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});
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applyExternalsPresetsDefaults(options.externalsPresets, {
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targetProperties,
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buildHttp: !!options.experiments.buildHttp
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});
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applyLoaderDefaults(options.loader, { targetProperties });
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F(options, "externalsType", () => {
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const validExternalTypes = require("../../schemas/WebpackOptions.json")
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.definitions.ExternalsType.enum;
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return options.output.library &&
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validExternalTypes.includes(options.output.library.type)
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? /** @type {ExternalsType} */ (options.output.library.type)
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: options.output.module
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? "module"
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: "var";
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});
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applyNodeDefaults(options.node, {
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futureDefaults: options.experiments.futureDefaults,
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targetProperties
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});
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F(options, "performance", () =>
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production &&
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targetProperties &&
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(targetProperties.browser || targetProperties.browser === null)
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? {}
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: false
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);
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applyPerformanceDefaults(options.performance, {
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production
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});
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applyOptimizationDefaults(options.optimization, {
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development,
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production,
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css: options.experiments.css,
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records: !!(options.recordsInputPath || options.recordsOutputPath)
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});
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options.resolve = cleverMerge(
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getResolveDefaults({
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cache,
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context: options.context,
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targetProperties,
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mode: options.mode
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}),
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options.resolve
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);
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options.resolveLoader = cleverMerge(
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getResolveLoaderDefaults({ cache }),
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options.resolveLoader
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);
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};
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/**
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* @param {ExperimentsNormalized} experiments options
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* @param {Object} options options
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* @param {boolean} options.production is production
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* @param {boolean} options.development is development mode
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* @returns {void}
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*/
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const applyExperimentsDefaults = (experiments, { production, development }) => {
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D(experiments, "futureDefaults", false);
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D(experiments, "backCompat", !experiments.futureDefaults);
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D(experiments, "topLevelAwait", experiments.futureDefaults);
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D(experiments, "syncWebAssembly", false);
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D(experiments, "asyncWebAssembly", experiments.futureDefaults);
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D(experiments, "outputModule", false);
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D(experiments, "layers", false);
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D(experiments, "lazyCompilation", undefined);
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D(experiments, "buildHttp", undefined);
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D(experiments, "cacheUnaffected", experiments.futureDefaults);
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D(experiments, "css", experiments.futureDefaults);
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if (typeof experiments.buildHttp === "object") {
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D(experiments.buildHttp, "frozen", production);
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D(experiments.buildHttp, "upgrade", false);
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}
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};
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/**
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* @param {CacheOptions} cache options
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* @param {Object} options options
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* @param {string} options.name name
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* @param {string} options.mode mode
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* @param {boolean} options.development is development mode
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* @param {boolean} options.cacheUnaffected the cacheUnaffected experiment is enabled
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* @returns {void}
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*/
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const applyCacheDefaults = (
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cache,
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{ name, mode, development, cacheUnaffected }
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) => {
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if (cache === false) return;
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switch (cache.type) {
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case "filesystem":
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F(cache, "name", () => name + "-" + mode);
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D(cache, "version", "");
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F(cache, "cacheDirectory", () => {
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const cwd = process.cwd();
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let dir = cwd;
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for (;;) {
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try {
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if (fs.statSync(path.join(dir, "package.json")).isFile()) break;
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// eslint-disable-next-line no-empty
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} catch (e) {}
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const parent = path.dirname(dir);
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if (dir === parent) {
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dir = undefined;
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break;
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}
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dir = parent;
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}
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if (!dir) {
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return path.resolve(cwd, ".cache/webpack");
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} else if (process.versions.pnp === "1") {
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return path.resolve(dir, ".pnp/.cache/webpack");
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} else if (process.versions.pnp === "3") {
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return path.resolve(dir, ".yarn/.cache/webpack");
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} else {
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return path.resolve(dir, "node_modules/.cache/webpack");
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}
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});
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F(cache, "cacheLocation", () =>
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path.resolve(cache.cacheDirectory, cache.name)
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);
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D(cache, "hashAlgorithm", "md4");
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D(cache, "store", "pack");
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D(cache, "compression", false);
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D(cache, "profile", false);
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D(cache, "idleTimeout", 60000);
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D(cache, "idleTimeoutForInitialStore", 5000);
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D(cache, "idleTimeoutAfterLargeChanges", 1000);
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D(cache, "maxMemoryGenerations", development ? 5 : Infinity);
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D(cache, "maxAge", 1000 * 60 * 60 * 24 * 60); // 1 month
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D(cache, "allowCollectingMemory", development);
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D(cache, "memoryCacheUnaffected", development && cacheUnaffected);
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D(cache.buildDependencies, "defaultWebpack", [
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path.resolve(__dirname, "..") + path.sep
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]);
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break;
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case "memory":
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D(cache, "maxGenerations", Infinity);
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D(cache, "cacheUnaffected", development && cacheUnaffected);
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break;
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}
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};
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/**
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* @param {SnapshotOptions} snapshot options
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* @param {Object} options options
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* @param {boolean} options.production is production
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* @param {boolean} options.futureDefaults is future defaults enabled
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* @returns {void}
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*/
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const applySnapshotDefaults = (snapshot, { production, futureDefaults }) => {
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if (futureDefaults) {
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F(snapshot, "managedPaths", () =>
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process.versions.pnp === "3"
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? [
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/^(.+?(?:[\\/]\.yarn[\\/]unplugged[\\/][^\\/]+)?[\\/]node_modules[\\/])/
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]
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: [/^(.+?[\\/]node_modules[\\/])/]
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);
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F(snapshot, "immutablePaths", () =>
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process.versions.pnp === "3"
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? [/^(.+?[\\/]cache[\\/][^\\/]+\.zip[\\/]node_modules[\\/])/]
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: []
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);
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} else {
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A(snapshot, "managedPaths", () => {
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if (process.versions.pnp === "3") {
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const match =
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/^(.+?)[\\/]cache[\\/]watchpack-npm-[^\\/]+\.zip[\\/]node_modules[\\/]/.exec(
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require.resolve("watchpack")
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);
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if (match) {
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return [path.resolve(match[1], "unplugged")];
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}
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} else {
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const match = /^(.+?[\\/]node_modules[\\/])/.exec(
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// eslint-disable-next-line node/no-extraneous-require
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require.resolve("watchpack")
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);
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if (match) {
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return [match[1]];
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}
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}
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return [];
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});
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A(snapshot, "immutablePaths", () => {
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if (process.versions.pnp === "1") {
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const match =
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/^(.+?[\\/]v4)[\\/]npm-watchpack-[^\\/]+-[\da-f]{40}[\\/]node_modules[\\/]/.exec(
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require.resolve("watchpack")
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);
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if (match) {
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return [match[1]];
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}
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} else if (process.versions.pnp === "3") {
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const match =
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/^(.+?)[\\/]watchpack-npm-[^\\/]+\.zip[\\/]node_modules[\\/]/.exec(
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require.resolve("watchpack")
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);
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if (match) {
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return [match[1]];
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}
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}
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return [];
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});
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}
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F(snapshot, "resolveBuildDependencies", () => ({
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timestamp: true,
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hash: true
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}));
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F(snapshot, "buildDependencies", () => ({ timestamp: true, hash: true }));
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F(snapshot, "module", () =>
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production ? { timestamp: true, hash: true } : { timestamp: true }
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);
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F(snapshot, "resolve", () =>
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production ? { timestamp: true, hash: true } : { timestamp: true }
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);
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};
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/**
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* @param {JavascriptParserOptions} parserOptions parser options
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* @param {Object} options options
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* @param {boolean} options.futureDefaults is future defaults enabled
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* @returns {void}
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*/
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const applyJavascriptParserOptionsDefaults = (
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parserOptions,
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{ futureDefaults }
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) => {
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D(parserOptions, "unknownContextRequest", ".");
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D(parserOptions, "unknownContextRegExp", false);
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D(parserOptions, "unknownContextRecursive", true);
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D(parserOptions, "unknownContextCritical", true);
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D(parserOptions, "exprContextRequest", ".");
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D(parserOptions, "exprContextRegExp", false);
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D(parserOptions, "exprContextRecursive", true);
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D(parserOptions, "exprContextCritical", true);
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D(parserOptions, "wrappedContextRegExp", /.*/);
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D(parserOptions, "wrappedContextRecursive", true);
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D(parserOptions, "wrappedContextCritical", false);
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D(parserOptions, "strictThisContextOnImports", false);
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if (futureDefaults) D(parserOptions, "exportsPresence", "error");
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};
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|
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/**
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* @param {ModuleOptions} module options
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|
* @param {Object} options options
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|
* @param {boolean} options.cache is caching enabled
|
|
* @param {boolean} options.syncWebAssembly is syncWebAssembly enabled
|
|
* @param {boolean} options.asyncWebAssembly is asyncWebAssembly enabled
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* @param {boolean} options.css is css enabled
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* @param {boolean} options.futureDefaults is future defaults enabled
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* @returns {void}
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*/
|
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const applyModuleDefaults = (
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module,
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{ cache, syncWebAssembly, asyncWebAssembly, css, futureDefaults }
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) => {
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if (cache) {
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D(module, "unsafeCache", module => {
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const name = module.nameForCondition();
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return name && NODE_MODULES_REGEXP.test(name);
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});
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} else {
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D(module, "unsafeCache", false);
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}
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F(module.parser, "asset", () => ({}));
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F(module.parser.asset, "dataUrlCondition", () => ({}));
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if (typeof module.parser.asset.dataUrlCondition === "object") {
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D(module.parser.asset.dataUrlCondition, "maxSize", 8096);
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}
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F(module.parser, "javascript", () => ({}));
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applyJavascriptParserOptionsDefaults(module.parser.javascript, {
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futureDefaults
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});
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A(module, "defaultRules", () => {
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const esm = {
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type: "javascript/esm",
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resolve: {
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|
byDependency: {
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esm: {
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fullySpecified: true
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}
|
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}
|
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}
|
|
};
|
|
const commonjs = {
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|
type: "javascript/dynamic"
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|
};
|
|
/** @type {RuleSetRules} */
|
|
const rules = [
|
|
{
|
|
mimetype: "application/node",
|
|
type: "javascript/auto"
|
|
},
|
|
{
|
|
test: /\.json$/i,
|
|
type: "json"
|
|
},
|
|
{
|
|
mimetype: "application/json",
|
|
type: "json"
|
|
},
|
|
{
|
|
test: /\.mjs$/i,
|
|
...esm
|
|
},
|
|
{
|
|
test: /\.js$/i,
|
|
descriptionData: {
|
|
type: "module"
|
|
},
|
|
...esm
|
|
},
|
|
{
|
|
test: /\.cjs$/i,
|
|
...commonjs
|
|
},
|
|
{
|
|
test: /\.js$/i,
|
|
descriptionData: {
|
|
type: "commonjs"
|
|
},
|
|
...commonjs
|
|
},
|
|
{
|
|
mimetype: {
|
|
or: ["text/javascript", "application/javascript"]
|
|
},
|
|
...esm
|
|
}
|
|
];
|
|
if (asyncWebAssembly) {
|
|
const wasm = {
|
|
type: "webassembly/async",
|
|
rules: [
|
|
{
|
|
descriptionData: {
|
|
type: "module"
|
|
},
|
|
resolve: {
|
|
fullySpecified: true
|
|
}
|
|
}
|
|
]
|
|
};
|
|
rules.push({
|
|
test: /\.wasm$/i,
|
|
...wasm
|
|
});
|
|
rules.push({
|
|
mimetype: "application/wasm",
|
|
...wasm
|
|
});
|
|
} else if (syncWebAssembly) {
|
|
const wasm = {
|
|
type: "webassembly/sync",
|
|
rules: [
|
|
{
|
|
descriptionData: {
|
|
type: "module"
|
|
},
|
|
resolve: {
|
|
fullySpecified: true
|
|
}
|
|
}
|
|
]
|
|
};
|
|
rules.push({
|
|
test: /\.wasm$/i,
|
|
...wasm
|
|
});
|
|
rules.push({
|
|
mimetype: "application/wasm",
|
|
...wasm
|
|
});
|
|
}
|
|
if (css) {
|
|
const cssRule = {
|
|
type: "css",
|
|
resolve: {
|
|
fullySpecified: true,
|
|
preferRelative: true
|
|
}
|
|
};
|
|
rules.push({
|
|
test: /\.css$/i,
|
|
...cssRule
|
|
});
|
|
rules.push({
|
|
mimetype: "text/css",
|
|
...cssRule
|
|
});
|
|
}
|
|
rules.push(
|
|
{
|
|
dependency: "url",
|
|
oneOf: [
|
|
{
|
|
scheme: /^data$/,
|
|
type: "asset/inline"
|
|
},
|
|
{
|
|
type: "asset/resource"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
assert: { type: "json" },
|
|
type: "json"
|
|
}
|
|
);
|
|
return rules;
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {Output} output options
|
|
* @param {Object} options options
|
|
* @param {string} options.context context
|
|
* @param {TargetProperties | false} options.targetProperties target properties
|
|
* @param {boolean} options.isAffectedByBrowserslist is affected by browserslist
|
|
* @param {boolean} options.outputModule is outputModule experiment enabled
|
|
* @param {boolean} options.development is development mode
|
|
* @param {Entry} options.entry entry option
|
|
* @param {ModuleOptions} options.module module option
|
|
* @param {boolean} options.futureDefaults is future defaults enabled
|
|
* @returns {void}
|
|
*/
|
|
const applyOutputDefaults = (
|
|
output,
|
|
{
|
|
context,
|
|
targetProperties: tp,
|
|
isAffectedByBrowserslist,
|
|
outputModule,
|
|
development,
|
|
entry,
|
|
module,
|
|
futureDefaults
|
|
}
|
|
) => {
|
|
/**
|
|
* @param {Library=} library the library option
|
|
* @returns {string} a readable library name
|
|
*/
|
|
const getLibraryName = library => {
|
|
const libraryName =
|
|
typeof library === "object" &&
|
|
library &&
|
|
!Array.isArray(library) &&
|
|
"type" in library
|
|
? library.name
|
|
: /** @type {LibraryName=} */ (library);
|
|
if (Array.isArray(libraryName)) {
|
|
return libraryName.join(".");
|
|
} else if (typeof libraryName === "object") {
|
|
return getLibraryName(libraryName.root);
|
|
} else if (typeof libraryName === "string") {
|
|
return libraryName;
|
|
}
|
|
return "";
|
|
};
|
|
|
|
F(output, "uniqueName", () => {
|
|
const libraryName = getLibraryName(output.library);
|
|
if (libraryName) return libraryName;
|
|
const pkgPath = path.resolve(context, "package.json");
|
|
try {
|
|
const packageInfo = JSON.parse(fs.readFileSync(pkgPath, "utf-8"));
|
|
return packageInfo.name || "";
|
|
} catch (e) {
|
|
if (e.code !== "ENOENT") {
|
|
e.message += `\nwhile determining default 'output.uniqueName' from 'name' in ${pkgPath}`;
|
|
throw e;
|
|
}
|
|
return "";
|
|
}
|
|
});
|
|
|
|
F(output, "module", () => !!outputModule);
|
|
D(output, "filename", output.module ? "[name].mjs" : "[name].js");
|
|
F(output, "iife", () => !output.module);
|
|
D(output, "importFunctionName", "import");
|
|
D(output, "importMetaName", "import.meta");
|
|
F(output, "chunkFilename", () => {
|
|
const filename = output.filename;
|
|
if (typeof filename !== "function") {
|
|
const hasName = filename.includes("[name]");
|
|
const hasId = filename.includes("[id]");
|
|
const hasChunkHash = filename.includes("[chunkhash]");
|
|
const hasContentHash = filename.includes("[contenthash]");
|
|
// Anything changing depending on chunk is fine
|
|
if (hasChunkHash || hasContentHash || hasName || hasId) return filename;
|
|
// Otherwise prefix "[id]." in front of the basename to make it changing
|
|
return filename.replace(/(^|\/)([^/]*(?:\?|$))/, "$1[id].$2");
|
|
}
|
|
return output.module ? "[id].mjs" : "[id].js";
|
|
});
|
|
F(output, "cssFilename", () => {
|
|
const chunkFilename = output.chunkFilename;
|
|
if (typeof chunkFilename !== "function") {
|
|
return chunkFilename.replace(/\.[mc]?js(\?|$)/, ".css$1");
|
|
}
|
|
return "[id].css";
|
|
});
|
|
D(output, "assetModuleFilename", "[hash][ext][query]");
|
|
D(output, "webassemblyModuleFilename", "[hash].module.wasm");
|
|
D(output, "compareBeforeEmit", true);
|
|
D(output, "charset", true);
|
|
F(output, "hotUpdateGlobal", () =>
|
|
Template.toIdentifier(
|
|
"webpackHotUpdate" + Template.toIdentifier(output.uniqueName)
|
|
)
|
|
);
|
|
F(output, "chunkLoadingGlobal", () =>
|
|
Template.toIdentifier(
|
|
"webpackChunk" + Template.toIdentifier(output.uniqueName)
|
|
)
|
|
);
|
|
F(output, "globalObject", () => {
|
|
if (tp) {
|
|
if (tp.global) return "global";
|
|
if (tp.globalThis) return "globalThis";
|
|
}
|
|
return "self";
|
|
});
|
|
F(output, "chunkFormat", () => {
|
|
if (tp) {
|
|
const helpMessage = isAffectedByBrowserslist
|
|
? "Make sure that your 'browserslist' includes only platforms that support these features or select an appropriate 'target' to allow selecting a chunk format by default. Alternatively specify the 'output.chunkFormat' directly."
|
|
: "Select an appropriate 'target' to allow selecting one by default, or specify the 'output.chunkFormat' directly.";
|
|
if (output.module) {
|
|
if (tp.dynamicImport) return "module";
|
|
if (tp.document) return "array-push";
|
|
throw new Error(
|
|
"For the selected environment is no default ESM chunk format available:\n" +
|
|
"ESM exports can be chosen when 'import()' is available.\n" +
|
|
"JSONP Array push can be chosen when 'document' is available.\n" +
|
|
helpMessage
|
|
);
|
|
} else {
|
|
if (tp.document) return "array-push";
|
|
if (tp.require) return "commonjs";
|
|
if (tp.nodeBuiltins) return "commonjs";
|
|
if (tp.importScripts) return "array-push";
|
|
throw new Error(
|
|
"For the selected environment is no default script chunk format available:\n" +
|
|
"JSONP Array push can be chosen when 'document' or 'importScripts' is available.\n" +
|
|
"CommonJs exports can be chosen when 'require' or node builtins are available.\n" +
|
|
helpMessage
|
|
);
|
|
}
|
|
}
|
|
throw new Error(
|
|
"Chunk format can't be selected by default when no target is specified"
|
|
);
|
|
});
|
|
D(output, "asyncChunks", true);
|
|
F(output, "chunkLoading", () => {
|
|
if (tp) {
|
|
switch (output.chunkFormat) {
|
|
case "array-push":
|
|
if (tp.document) return "jsonp";
|
|
if (tp.importScripts) return "import-scripts";
|
|
break;
|
|
case "commonjs":
|
|
if (tp.require) return "require";
|
|
if (tp.nodeBuiltins) return "async-node";
|
|
break;
|
|
case "module":
|
|
if (tp.dynamicImport) return "import";
|
|
break;
|
|
}
|
|
if (
|
|
tp.require === null ||
|
|
tp.nodeBuiltins === null ||
|
|
tp.document === null ||
|
|
tp.importScripts === null
|
|
) {
|
|
return "universal";
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
F(output, "workerChunkLoading", () => {
|
|
if (tp) {
|
|
switch (output.chunkFormat) {
|
|
case "array-push":
|
|
if (tp.importScriptsInWorker) return "import-scripts";
|
|
break;
|
|
case "commonjs":
|
|
if (tp.require) return "require";
|
|
if (tp.nodeBuiltins) return "async-node";
|
|
break;
|
|
case "module":
|
|
if (tp.dynamicImportInWorker) return "import";
|
|
break;
|
|
}
|
|
if (
|
|
tp.require === null ||
|
|
tp.nodeBuiltins === null ||
|
|
tp.importScriptsInWorker === null
|
|
) {
|
|
return "universal";
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
F(output, "wasmLoading", () => {
|
|
if (tp) {
|
|
if (tp.fetchWasm) return "fetch";
|
|
if (tp.nodeBuiltins)
|
|
return output.module ? "async-node-module" : "async-node";
|
|
if (tp.nodeBuiltins === null || tp.fetchWasm === null) {
|
|
return "universal";
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
F(output, "workerWasmLoading", () => output.wasmLoading);
|
|
F(output, "devtoolNamespace", () => output.uniqueName);
|
|
if (output.library) {
|
|
F(output.library, "type", () => (output.module ? "module" : "var"));
|
|
}
|
|
F(output, "path", () => path.join(process.cwd(), "dist"));
|
|
F(output, "pathinfo", () => development);
|
|
D(output, "sourceMapFilename", "[file].map[query]");
|
|
D(
|
|
output,
|
|
"hotUpdateChunkFilename",
|
|
`[id].[fullhash].hot-update.${output.module ? "mjs" : "js"}`
|
|
);
|
|
D(output, "hotUpdateMainFilename", "[runtime].[fullhash].hot-update.json");
|
|
D(output, "crossOriginLoading", false);
|
|
F(output, "scriptType", () => (output.module ? "module" : false));
|
|
D(
|
|
output,
|
|
"publicPath",
|
|
(tp && (tp.document || tp.importScripts)) || output.scriptType === "module"
|
|
? "auto"
|
|
: ""
|
|
);
|
|
D(output, "chunkLoadTimeout", 120000);
|
|
D(output, "hashFunction", futureDefaults ? "xxhash64" : "md4");
|
|
D(output, "hashDigest", "hex");
|
|
D(output, "hashDigestLength", futureDefaults ? 16 : 20);
|
|
D(output, "strictModuleExceptionHandling", false);
|
|
|
|
const optimistic = v => v || v === undefined;
|
|
F(
|
|
output.environment,
|
|
"arrowFunction",
|
|
() => tp && optimistic(tp.arrowFunction)
|
|
);
|
|
F(output.environment, "const", () => tp && optimistic(tp.const));
|
|
F(
|
|
output.environment,
|
|
"destructuring",
|
|
() => tp && optimistic(tp.destructuring)
|
|
);
|
|
F(output.environment, "forOf", () => tp && optimistic(tp.forOf));
|
|
F(output.environment, "bigIntLiteral", () => tp && tp.bigIntLiteral);
|
|
F(output.environment, "dynamicImport", () => tp && tp.dynamicImport);
|
|
F(output.environment, "module", () => tp && tp.module);
|
|
|
|
const { trustedTypes } = output;
|
|
if (trustedTypes) {
|
|
F(
|
|
trustedTypes,
|
|
"policyName",
|
|
() =>
|
|
output.uniqueName.replace(/[^a-zA-Z0-9\-#=_/@.%]+/g, "_") || "webpack"
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {function(EntryDescription): void} fn iterator
|
|
* @returns {void}
|
|
*/
|
|
const forEachEntry = fn => {
|
|
for (const name of Object.keys(entry)) {
|
|
fn(entry[name]);
|
|
}
|
|
};
|
|
A(output, "enabledLibraryTypes", () => {
|
|
const enabledLibraryTypes = [];
|
|
if (output.library) {
|
|
enabledLibraryTypes.push(output.library.type);
|
|
}
|
|
forEachEntry(desc => {
|
|
if (desc.library) {
|
|
enabledLibraryTypes.push(desc.library.type);
|
|
}
|
|
});
|
|
return enabledLibraryTypes;
|
|
});
|
|
|
|
A(output, "enabledChunkLoadingTypes", () => {
|
|
const enabledChunkLoadingTypes = new Set();
|
|
if (output.chunkLoading) {
|
|
enabledChunkLoadingTypes.add(output.chunkLoading);
|
|
}
|
|
if (output.workerChunkLoading) {
|
|
enabledChunkLoadingTypes.add(output.workerChunkLoading);
|
|
}
|
|
forEachEntry(desc => {
|
|
if (desc.chunkLoading) {
|
|
enabledChunkLoadingTypes.add(desc.chunkLoading);
|
|
}
|
|
});
|
|
return Array.from(enabledChunkLoadingTypes);
|
|
});
|
|
|
|
A(output, "enabledWasmLoadingTypes", () => {
|
|
const enabledWasmLoadingTypes = new Set();
|
|
if (output.wasmLoading) {
|
|
enabledWasmLoadingTypes.add(output.wasmLoading);
|
|
}
|
|
if (output.workerWasmLoading) {
|
|
enabledWasmLoadingTypes.add(output.workerWasmLoading);
|
|
}
|
|
forEachEntry(desc => {
|
|
if (desc.wasmLoading) {
|
|
enabledWasmLoadingTypes.add(desc.wasmLoading);
|
|
}
|
|
});
|
|
return Array.from(enabledWasmLoadingTypes);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {ExternalsPresets} externalsPresets options
|
|
* @param {Object} options options
|
|
* @param {TargetProperties | false} options.targetProperties target properties
|
|
* @param {boolean} options.buildHttp buildHttp experiment enabled
|
|
* @returns {void}
|
|
*/
|
|
const applyExternalsPresetsDefaults = (
|
|
externalsPresets,
|
|
{ targetProperties, buildHttp }
|
|
) => {
|
|
D(
|
|
externalsPresets,
|
|
"web",
|
|
!buildHttp && targetProperties && targetProperties.web
|
|
);
|
|
D(externalsPresets, "node", targetProperties && targetProperties.node);
|
|
D(externalsPresets, "nwjs", targetProperties && targetProperties.nwjs);
|
|
D(
|
|
externalsPresets,
|
|
"electron",
|
|
targetProperties && targetProperties.electron
|
|
);
|
|
D(
|
|
externalsPresets,
|
|
"electronMain",
|
|
targetProperties &&
|
|
targetProperties.electron &&
|
|
targetProperties.electronMain
|
|
);
|
|
D(
|
|
externalsPresets,
|
|
"electronPreload",
|
|
targetProperties &&
|
|
targetProperties.electron &&
|
|
targetProperties.electronPreload
|
|
);
|
|
D(
|
|
externalsPresets,
|
|
"electronRenderer",
|
|
targetProperties &&
|
|
targetProperties.electron &&
|
|
targetProperties.electronRenderer
|
|
);
|
|
};
|
|
|
|
/**
|
|
* @param {Loader} loader options
|
|
* @param {Object} options options
|
|
* @param {TargetProperties | false} options.targetProperties target properties
|
|
* @returns {void}
|
|
*/
|
|
const applyLoaderDefaults = (loader, { targetProperties }) => {
|
|
F(loader, "target", () => {
|
|
if (targetProperties) {
|
|
if (targetProperties.electron) {
|
|
if (targetProperties.electronMain) return "electron-main";
|
|
if (targetProperties.electronPreload) return "electron-preload";
|
|
if (targetProperties.electronRenderer) return "electron-renderer";
|
|
return "electron";
|
|
}
|
|
if (targetProperties.nwjs) return "nwjs";
|
|
if (targetProperties.node) return "node";
|
|
if (targetProperties.web) return "web";
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {WebpackNode} node options
|
|
* @param {Object} options options
|
|
* @param {TargetProperties | false} options.targetProperties target properties
|
|
* @param {boolean} options.futureDefaults is future defaults enabled
|
|
* @returns {void}
|
|
*/
|
|
const applyNodeDefaults = (node, { futureDefaults, targetProperties }) => {
|
|
if (node === false) return;
|
|
|
|
F(node, "global", () => {
|
|
if (targetProperties && targetProperties.global) return false;
|
|
// TODO webpack 6 should always default to false
|
|
return futureDefaults ? "warn" : true;
|
|
});
|
|
F(node, "__filename", () => {
|
|
if (targetProperties && targetProperties.node) return "eval-only";
|
|
// TODO webpack 6 should always default to false
|
|
return futureDefaults ? "warn-mock" : "mock";
|
|
});
|
|
F(node, "__dirname", () => {
|
|
if (targetProperties && targetProperties.node) return "eval-only";
|
|
// TODO webpack 6 should always default to false
|
|
return futureDefaults ? "warn-mock" : "mock";
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {Performance} performance options
|
|
* @param {Object} options options
|
|
* @param {boolean} options.production is production
|
|
* @returns {void}
|
|
*/
|
|
const applyPerformanceDefaults = (performance, { production }) => {
|
|
if (performance === false) return;
|
|
D(performance, "maxAssetSize", 250000);
|
|
D(performance, "maxEntrypointSize", 250000);
|
|
F(performance, "hints", () => (production ? "warning" : false));
|
|
};
|
|
|
|
/**
|
|
* @param {Optimization} optimization options
|
|
* @param {Object} options options
|
|
* @param {boolean} options.production is production
|
|
* @param {boolean} options.development is development
|
|
* @param {boolean} options.css is css enabled
|
|
* @param {boolean} options.records using records
|
|
* @returns {void}
|
|
*/
|
|
const applyOptimizationDefaults = (
|
|
optimization,
|
|
{ production, development, css, records }
|
|
) => {
|
|
D(optimization, "removeAvailableModules", false);
|
|
D(optimization, "removeEmptyChunks", true);
|
|
D(optimization, "mergeDuplicateChunks", true);
|
|
D(optimization, "flagIncludedChunks", production);
|
|
F(optimization, "moduleIds", () => {
|
|
if (production) return "deterministic";
|
|
if (development) return "named";
|
|
return "natural";
|
|
});
|
|
F(optimization, "chunkIds", () => {
|
|
if (production) return "deterministic";
|
|
if (development) return "named";
|
|
return "natural";
|
|
});
|
|
F(optimization, "sideEffects", () => (production ? true : "flag"));
|
|
D(optimization, "providedExports", true);
|
|
D(optimization, "usedExports", production);
|
|
D(optimization, "innerGraph", production);
|
|
D(optimization, "mangleExports", production);
|
|
D(optimization, "concatenateModules", production);
|
|
D(optimization, "runtimeChunk", false);
|
|
D(optimization, "emitOnErrors", !production);
|
|
D(optimization, "checkWasmTypes", production);
|
|
D(optimization, "mangleWasmImports", false);
|
|
D(optimization, "portableRecords", records);
|
|
D(optimization, "realContentHash", production);
|
|
D(optimization, "minimize", production);
|
|
A(optimization, "minimizer", () => [
|
|
{
|
|
apply: compiler => {
|
|
// Lazy load the Terser plugin
|
|
const TerserPlugin = require("terser-webpack-plugin");
|
|
new TerserPlugin({
|
|
terserOptions: {
|
|
compress: {
|
|
passes: 2
|
|
}
|
|
}
|
|
}).apply(compiler);
|
|
}
|
|
}
|
|
]);
|
|
F(optimization, "nodeEnv", () => {
|
|
if (production) return "production";
|
|
if (development) return "development";
|
|
return false;
|
|
});
|
|
const { splitChunks } = optimization;
|
|
if (splitChunks) {
|
|
A(splitChunks, "defaultSizeTypes", () =>
|
|
css ? ["javascript", "css", "unknown"] : ["javascript", "unknown"]
|
|
);
|
|
D(splitChunks, "hidePathInfo", production);
|
|
D(splitChunks, "chunks", "async");
|
|
D(splitChunks, "usedExports", optimization.usedExports === true);
|
|
D(splitChunks, "minChunks", 1);
|
|
F(splitChunks, "minSize", () => (production ? 20000 : 10000));
|
|
F(splitChunks, "minRemainingSize", () => (development ? 0 : undefined));
|
|
F(splitChunks, "enforceSizeThreshold", () => (production ? 50000 : 30000));
|
|
F(splitChunks, "maxAsyncRequests", () => (production ? 30 : Infinity));
|
|
F(splitChunks, "maxInitialRequests", () => (production ? 30 : Infinity));
|
|
D(splitChunks, "automaticNameDelimiter", "-");
|
|
const { cacheGroups } = splitChunks;
|
|
F(cacheGroups, "default", () => ({
|
|
idHint: "",
|
|
reuseExistingChunk: true,
|
|
minChunks: 2,
|
|
priority: -20
|
|
}));
|
|
F(cacheGroups, "defaultVendors", () => ({
|
|
idHint: "vendors",
|
|
reuseExistingChunk: true,
|
|
test: NODE_MODULES_REGEXP,
|
|
priority: -10
|
|
}));
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {Object} options options
|
|
* @param {boolean} options.cache is cache enable
|
|
* @param {string} options.context build context
|
|
* @param {TargetProperties | false} options.targetProperties target properties
|
|
* @param {Mode} options.mode mode
|
|
* @returns {ResolveOptions} resolve options
|
|
*/
|
|
const getResolveDefaults = ({ cache, context, targetProperties, mode }) => {
|
|
/** @type {string[]} */
|
|
const conditions = ["webpack"];
|
|
|
|
conditions.push(mode === "development" ? "development" : "production");
|
|
|
|
if (targetProperties) {
|
|
if (targetProperties.webworker) conditions.push("worker");
|
|
if (targetProperties.node) conditions.push("node");
|
|
if (targetProperties.web) conditions.push("browser");
|
|
if (targetProperties.electron) conditions.push("electron");
|
|
if (targetProperties.nwjs) conditions.push("nwjs");
|
|
}
|
|
|
|
const jsExtensions = [".js", ".json", ".wasm"];
|
|
|
|
const tp = targetProperties;
|
|
const browserField =
|
|
tp && tp.web && (!tp.node || (tp.electron && tp.electronRenderer));
|
|
|
|
/** @type {function(): ResolveOptions} */
|
|
const cjsDeps = () => ({
|
|
aliasFields: browserField ? ["browser"] : [],
|
|
mainFields: browserField ? ["browser", "module", "..."] : ["module", "..."],
|
|
conditionNames: ["require", "module", "..."],
|
|
extensions: [...jsExtensions]
|
|
});
|
|
/** @type {function(): ResolveOptions} */
|
|
const esmDeps = () => ({
|
|
aliasFields: browserField ? ["browser"] : [],
|
|
mainFields: browserField ? ["browser", "module", "..."] : ["module", "..."],
|
|
conditionNames: ["import", "module", "..."],
|
|
extensions: [...jsExtensions]
|
|
});
|
|
|
|
/** @type {ResolveOptions} */
|
|
const resolveOptions = {
|
|
cache,
|
|
modules: ["node_modules"],
|
|
conditionNames: conditions,
|
|
mainFiles: ["index"],
|
|
extensions: [],
|
|
aliasFields: [],
|
|
exportsFields: ["exports"],
|
|
roots: [context],
|
|
mainFields: ["main"],
|
|
byDependency: {
|
|
wasm: esmDeps(),
|
|
esm: esmDeps(),
|
|
loaderImport: esmDeps(),
|
|
url: {
|
|
preferRelative: true
|
|
},
|
|
worker: {
|
|
...esmDeps(),
|
|
preferRelative: true
|
|
},
|
|
commonjs: cjsDeps(),
|
|
amd: cjsDeps(),
|
|
// for backward-compat: loadModule
|
|
loader: cjsDeps(),
|
|
// for backward-compat: Custom Dependency
|
|
unknown: cjsDeps(),
|
|
// for backward-compat: getResolve without dependencyType
|
|
undefined: cjsDeps()
|
|
}
|
|
};
|
|
|
|
return resolveOptions;
|
|
};
|
|
|
|
/**
|
|
* @param {Object} options options
|
|
* @param {boolean} options.cache is cache enable
|
|
* @returns {ResolveOptions} resolve options
|
|
*/
|
|
const getResolveLoaderDefaults = ({ cache }) => {
|
|
/** @type {ResolveOptions} */
|
|
const resolveOptions = {
|
|
cache,
|
|
conditionNames: ["loader", "require", "node"],
|
|
exportsFields: ["exports"],
|
|
mainFields: ["loader", "main"],
|
|
extensions: [".js"],
|
|
mainFiles: ["index"]
|
|
};
|
|
|
|
return resolveOptions;
|
|
};
|
|
|
|
/**
|
|
* @param {InfrastructureLogging} infrastructureLogging options
|
|
* @returns {void}
|
|
*/
|
|
const applyInfrastructureLoggingDefaults = infrastructureLogging => {
|
|
F(infrastructureLogging, "stream", () => process.stderr);
|
|
const tty =
|
|
/** @type {any} */ (infrastructureLogging.stream).isTTY &&
|
|
process.env.TERM !== "dumb";
|
|
D(infrastructureLogging, "level", "info");
|
|
D(infrastructureLogging, "debug", false);
|
|
D(infrastructureLogging, "colors", tty);
|
|
D(infrastructureLogging, "appendOnly", !tty);
|
|
};
|
|
|
|
exports.applyWebpackOptionsBaseDefaults = applyWebpackOptionsBaseDefaults;
|
|
exports.applyWebpackOptionsDefaults = applyWebpackOptionsDefaults;
|