mirror of https://github.com/webpack/webpack.git
689 lines
16 KiB
JavaScript
689 lines
16 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 SortableSet = require("./SortableSet");
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Entrypoint").EntryOptions} EntryOptions */
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/** @typedef {string | SortableSet<string> | undefined} RuntimeSpec */
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/** @typedef {RuntimeSpec | boolean} RuntimeCondition */
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/**
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* @param {Compilation} compilation the compilation
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* @param {string} name name of the entry
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* @param {EntryOptions=} options optionally already received entry options
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* @returns {RuntimeSpec} runtime
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*/
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exports.getEntryRuntime = (compilation, name, options) => {
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let dependOn;
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let runtime;
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if (options) {
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({ dependOn, runtime } = options);
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} else {
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const entry = compilation.entries.get(name);
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if (!entry) return name;
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({ dependOn, runtime } = entry.options);
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}
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if (dependOn) {
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/** @type {RuntimeSpec} */
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let result = undefined;
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const queue = new Set(dependOn);
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for (const name of queue) {
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const dep = compilation.entries.get(name);
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if (!dep) continue;
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const { dependOn, runtime } = dep.options;
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if (dependOn) {
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for (const name of dependOn) {
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queue.add(name);
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}
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} else {
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result = mergeRuntimeOwned(result, runtime || name);
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}
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}
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return result || name;
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} else {
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return runtime || name;
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}
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};
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/**
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* @param {RuntimeSpec} runtime runtime
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* @param {function(string | undefined): void} fn functor
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* @param {boolean} deterministicOrder enforce a deterministic order
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* @returns {void}
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*/
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const forEachRuntime = (runtime, fn, deterministicOrder = false) => {
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if (runtime === undefined) {
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fn(undefined);
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} else if (typeof runtime === "string") {
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fn(runtime);
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} else {
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if (deterministicOrder) runtime.sort();
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for (const r of runtime) {
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fn(r);
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}
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}
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};
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exports.forEachRuntime = forEachRuntime;
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/**
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* @template T
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* @param {SortableSet<T>} set set
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* @returns {string} runtime key
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*/
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const getRuntimesKey = set => {
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set.sort();
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return Array.from(set).join("\n");
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};
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/**
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* @param {RuntimeSpec} runtime runtime(s)
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* @returns {string} key of runtimes
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*/
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const getRuntimeKey = runtime => {
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if (runtime === undefined) return "*";
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if (typeof runtime === "string") return runtime;
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return runtime.getFromUnorderedCache(getRuntimesKey);
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};
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exports.getRuntimeKey = getRuntimeKey;
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/**
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* @param {string} key key of runtimes
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* @returns {RuntimeSpec} runtime(s)
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*/
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const keyToRuntime = key => {
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if (key === "*") return undefined;
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const items = key.split("\n");
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if (items.length === 1) return items[0];
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return new SortableSet(items);
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};
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exports.keyToRuntime = keyToRuntime;
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/**
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* @template T
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* @param {SortableSet<T>} set set
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* @returns {string} runtime string
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*/
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const getRuntimesString = set => {
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set.sort();
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return Array.from(set).join("+");
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};
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/**
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* @param {RuntimeSpec} runtime runtime(s)
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* @returns {string} readable version
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*/
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const runtimeToString = runtime => {
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if (runtime === undefined) return "*";
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if (typeof runtime === "string") return runtime;
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return runtime.getFromUnorderedCache(getRuntimesString);
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};
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exports.runtimeToString = runtimeToString;
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/**
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* @param {RuntimeCondition} runtimeCondition runtime condition
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* @returns {string} readable version
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*/
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exports.runtimeConditionToString = runtimeCondition => {
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if (runtimeCondition === true) return "true";
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if (runtimeCondition === false) return "false";
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return runtimeToString(runtimeCondition);
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};
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/**
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* @param {RuntimeSpec} a first
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* @param {RuntimeSpec} b second
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* @returns {boolean} true, when they are equal
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*/
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const runtimeEqual = (a, b) => {
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if (a === b) {
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return true;
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} else if (
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a === undefined ||
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b === undefined ||
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typeof a === "string" ||
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typeof b === "string"
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) {
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return false;
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} else if (a.size !== b.size) {
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return false;
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} else {
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a.sort();
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b.sort();
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const aIt = a[Symbol.iterator]();
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const bIt = b[Symbol.iterator]();
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for (;;) {
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const aV = aIt.next();
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if (aV.done) return true;
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const bV = bIt.next();
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if (aV.value !== bV.value) return false;
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}
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}
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};
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exports.runtimeEqual = runtimeEqual;
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/**
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* @param {RuntimeSpec} a first
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* @param {RuntimeSpec} b second
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* @returns {-1|0|1} compare
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*/
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exports.compareRuntime = (a, b) => {
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if (a === b) {
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return 0;
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} else if (a === undefined) {
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return -1;
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} else if (b === undefined) {
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return 1;
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} else {
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const aKey = getRuntimeKey(a);
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const bKey = getRuntimeKey(b);
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if (aKey < bKey) return -1;
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if (aKey > bKey) return 1;
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return 0;
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}
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};
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/**
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* @param {RuntimeSpec} a first
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* @param {RuntimeSpec} b second
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* @returns {RuntimeSpec} merged
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*/
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const mergeRuntime = (a, b) => {
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if (a === undefined) {
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return b;
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} else if (b === undefined) {
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return a;
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} else if (a === b) {
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return a;
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} else if (typeof a === "string") {
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if (typeof b === "string") {
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const set = new SortableSet();
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set.add(a);
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set.add(b);
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return set;
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} else if (b.has(a)) {
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return b;
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} else {
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const set = new SortableSet(b);
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set.add(a);
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return set;
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}
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} else {
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if (typeof b === "string") {
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if (a.has(b)) return a;
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const set = new SortableSet(a);
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set.add(b);
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return set;
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} else {
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const set = new SortableSet(a);
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for (const item of b) set.add(item);
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if (set.size === a.size) return a;
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return set;
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}
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}
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};
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exports.mergeRuntime = mergeRuntime;
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/**
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* @param {RuntimeCondition} a first
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* @param {RuntimeCondition} b second
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* @param {RuntimeSpec} runtime full runtime
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* @returns {RuntimeCondition} result
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*/
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exports.mergeRuntimeCondition = (a, b, runtime) => {
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if (a === false) return b;
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if (b === false) return a;
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if (a === true || b === true) return true;
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const merged = mergeRuntime(a, b);
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if (merged === undefined) return undefined;
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if (typeof merged === "string") {
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if (typeof runtime === "string" && merged === runtime) return true;
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return merged;
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}
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if (typeof runtime === "string" || runtime === undefined) return merged;
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if (merged.size === runtime.size) return true;
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return merged;
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};
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/**
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* @param {RuntimeSpec | true} a first
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* @param {RuntimeSpec | true} b second
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* @param {RuntimeSpec} runtime full runtime
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* @returns {RuntimeSpec | true} result
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*/
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exports.mergeRuntimeConditionNonFalse = (a, b, runtime) => {
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if (a === true || b === true) return true;
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const merged = mergeRuntime(a, b);
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if (merged === undefined) return undefined;
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if (typeof merged === "string") {
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if (typeof runtime === "string" && merged === runtime) return true;
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return merged;
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}
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if (typeof runtime === "string" || runtime === undefined) return merged;
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if (merged.size === runtime.size) return true;
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return merged;
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};
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/**
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* @param {RuntimeSpec} a first (may be modified)
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* @param {RuntimeSpec} b second
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* @returns {RuntimeSpec} merged
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*/
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const mergeRuntimeOwned = (a, b) => {
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if (b === undefined) {
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return a;
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} else if (a === b) {
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return a;
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} else if (a === undefined) {
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if (typeof b === "string") {
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return b;
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} else {
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return new SortableSet(b);
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}
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} else if (typeof a === "string") {
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if (typeof b === "string") {
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const set = new SortableSet();
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set.add(a);
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set.add(b);
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return set;
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} else {
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const set = new SortableSet(b);
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set.add(a);
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return set;
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}
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} else {
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if (typeof b === "string") {
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a.add(b);
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return a;
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} else {
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for (const item of b) a.add(item);
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return a;
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}
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}
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};
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exports.mergeRuntimeOwned = mergeRuntimeOwned;
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/**
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* @param {RuntimeSpec} a first
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* @param {RuntimeSpec} b second
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* @returns {RuntimeSpec} merged
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*/
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exports.intersectRuntime = (a, b) => {
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if (a === undefined) {
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return b;
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} else if (b === undefined) {
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return a;
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} else if (a === b) {
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return a;
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} else if (typeof a === "string") {
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if (typeof b === "string") {
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return undefined;
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} else if (b.has(a)) {
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return a;
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} else {
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return undefined;
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}
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} else {
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if (typeof b === "string") {
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if (a.has(b)) return b;
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return undefined;
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} else {
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const set = new SortableSet();
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for (const item of b) {
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if (a.has(item)) set.add(item);
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}
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if (set.size === 0) return undefined;
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if (set.size === 1) for (const item of set) return item;
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return set;
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}
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}
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};
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/**
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* @param {RuntimeSpec} a first
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* @param {RuntimeSpec} b second
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* @returns {RuntimeSpec} result
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*/
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const subtractRuntime = (a, b) => {
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if (a === undefined) {
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return undefined;
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} else if (b === undefined) {
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return a;
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} else if (a === b) {
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return undefined;
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} else if (typeof a === "string") {
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if (typeof b === "string") {
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return a;
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} else if (b.has(a)) {
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return undefined;
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} else {
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return a;
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}
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} else {
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if (typeof b === "string") {
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if (!a.has(b)) return a;
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if (a.size === 2) {
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for (const item of a) {
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if (item !== b) return item;
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}
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}
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const set = new SortableSet(a);
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set.delete(b);
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return set;
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} else {
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const set = new SortableSet();
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for (const item of a) {
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if (!b.has(item)) set.add(item);
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}
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if (set.size === 0) return undefined;
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if (set.size === 1) for (const item of set) return item;
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return set;
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}
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}
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};
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exports.subtractRuntime = subtractRuntime;
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/**
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* @param {RuntimeCondition} a first
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* @param {RuntimeCondition} b second
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* @param {RuntimeSpec} runtime runtime
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* @returns {RuntimeCondition} result
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*/
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exports.subtractRuntimeCondition = (a, b, runtime) => {
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if (b === true) return false;
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if (b === false) return a;
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if (a === false) return false;
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const result = subtractRuntime(a === true ? runtime : a, b);
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return result === undefined ? false : result;
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};
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/**
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* @param {RuntimeSpec} runtime runtime
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* @param {function(RuntimeSpec): boolean} filter filter function
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* @returns {boolean | RuntimeSpec} true/false if filter is constant for all runtimes, otherwise runtimes that are active
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*/
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exports.filterRuntime = (runtime, filter) => {
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if (runtime === undefined) return filter(undefined);
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if (typeof runtime === "string") return filter(runtime);
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let some = false;
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let every = true;
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let result = undefined;
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for (const r of runtime) {
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const v = filter(r);
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if (v) {
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some = true;
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result = mergeRuntimeOwned(result, r);
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} else {
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every = false;
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}
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}
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if (!some) return false;
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if (every) return true;
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return result;
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};
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/**
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* @template T
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* @typedef {Map<string, T>} RuntimeSpecMapInnerMap
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* */
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/**
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* @template T
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*/
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class RuntimeSpecMap {
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/**
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* @param {RuntimeSpecMap<T>=} clone copy form this
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*/
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constructor(clone) {
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this._mode = clone ? clone._mode : 0; // 0 = empty, 1 = single entry, 2 = map
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/** @type {RuntimeSpec} */
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this._singleRuntime = clone ? clone._singleRuntime : undefined;
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/** @type {T | undefined} */
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this._singleValue = clone ? clone._singleValue : undefined;
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/** @type {RuntimeSpecMapInnerMap<T> | undefined} */
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this._map = clone && clone._map ? new Map(clone._map) : undefined;
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}
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/**
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* @param {RuntimeSpec} runtime the runtimes
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* @returns {T | undefined} value
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*/
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get(runtime) {
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switch (this._mode) {
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case 0:
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return undefined;
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case 1:
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return runtimeEqual(this._singleRuntime, runtime)
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? this._singleValue
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: undefined;
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default:
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return /** @type {RuntimeSpecMapInnerMap<T>} */ (this._map).get(
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getRuntimeKey(runtime)
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);
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}
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}
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/**
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* @param {RuntimeSpec} runtime the runtimes
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* @returns {boolean} true, when the runtime is stored
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*/
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has(runtime) {
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switch (this._mode) {
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case 0:
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return false;
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case 1:
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return runtimeEqual(this._singleRuntime, runtime);
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default:
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return /** @type {RuntimeSpecMapInnerMap<T>} */ (this._map).has(
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getRuntimeKey(runtime)
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);
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}
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}
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/**
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* @param {RuntimeSpec} runtime the runtimes
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* @param {T} value the value
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*/
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set(runtime, value) {
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switch (this._mode) {
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case 0:
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this._mode = 1;
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this._singleRuntime = runtime;
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this._singleValue = value;
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break;
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case 1:
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if (runtimeEqual(this._singleRuntime, runtime)) {
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this._singleValue = value;
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break;
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}
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this._mode = 2;
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this._map = new Map();
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this._map.set(
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getRuntimeKey(this._singleRuntime),
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/** @type {T} */ (this._singleValue)
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);
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this._singleRuntime = undefined;
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this._singleValue = undefined;
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/* falls through */
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default:
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/** @type {RuntimeSpecMapInnerMap<T>} */
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(this._map).set(getRuntimeKey(runtime), value);
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}
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}
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/**
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* @param {RuntimeSpec} runtime the runtimes
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* @param {() => TODO} computer function to compute the value
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* @returns {TODO} true, when the runtime was deleted
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*/
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provide(runtime, computer) {
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switch (this._mode) {
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case 0:
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this._mode = 1;
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this._singleRuntime = runtime;
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return (this._singleValue = computer());
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case 1: {
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if (runtimeEqual(this._singleRuntime, runtime)) {
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return /** @type {T} */ (this._singleValue);
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}
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this._mode = 2;
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this._map = new Map();
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this._map.set(
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getRuntimeKey(this._singleRuntime),
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/** @type {T} */ (this._singleValue)
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);
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this._singleRuntime = undefined;
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this._singleValue = undefined;
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const newValue = computer();
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this._map.set(getRuntimeKey(runtime), newValue);
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return newValue;
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}
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default: {
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const key = getRuntimeKey(runtime);
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const value = /** @type {Map<string, T>} */ (this._map).get(key);
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if (value !== undefined) return value;
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const newValue = computer();
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/** @type {Map<string, T>} */
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(this._map).set(key, newValue);
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return newValue;
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}
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}
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}
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/**
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* @param {RuntimeSpec} runtime the runtimes
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*/
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delete(runtime) {
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switch (this._mode) {
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case 0:
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return;
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case 1:
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if (runtimeEqual(this._singleRuntime, runtime)) {
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this._mode = 0;
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this._singleRuntime = undefined;
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this._singleValue = undefined;
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}
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return;
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default:
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/** @type {RuntimeSpecMapInnerMap<T>} */
|
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(this._map).delete(getRuntimeKey(runtime));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {RuntimeSpec} runtime the runtimes
|
|
* @param {function(T | undefined): T} fn function to update the value
|
|
*/
|
|
update(runtime, fn) {
|
|
switch (this._mode) {
|
|
case 0:
|
|
throw new Error("runtime passed to update must exist");
|
|
case 1: {
|
|
if (runtimeEqual(this._singleRuntime, runtime)) {
|
|
this._singleValue = fn(this._singleValue);
|
|
break;
|
|
}
|
|
const newValue = fn(undefined);
|
|
if (newValue !== undefined) {
|
|
this._mode = 2;
|
|
this._map = new Map();
|
|
this._map.set(
|
|
getRuntimeKey(this._singleRuntime),
|
|
/** @type {T} */ (this._singleValue)
|
|
);
|
|
this._singleRuntime = undefined;
|
|
this._singleValue = undefined;
|
|
this._map.set(getRuntimeKey(runtime), newValue);
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
const key = getRuntimeKey(runtime);
|
|
const oldValue = /** @type {Map<string, T>} */ (this._map).get(key);
|
|
const newValue = fn(oldValue);
|
|
if (newValue !== oldValue)
|
|
/** @type {RuntimeSpecMapInnerMap<T>} */
|
|
(this._map).set(key, newValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
keys() {
|
|
switch (this._mode) {
|
|
case 0:
|
|
return [];
|
|
case 1:
|
|
return [this._singleRuntime];
|
|
default:
|
|
return Array.from(
|
|
/** @type {RuntimeSpecMapInnerMap<T>} */
|
|
(this._map).keys(),
|
|
keyToRuntime
|
|
);
|
|
}
|
|
}
|
|
|
|
values() {
|
|
switch (this._mode) {
|
|
case 0:
|
|
return [][Symbol.iterator]();
|
|
case 1:
|
|
return [/** @type {T} */ (this._singleValue)][Symbol.iterator]();
|
|
default:
|
|
return /** @type {Map<string, T>} */ (this._map).values();
|
|
}
|
|
}
|
|
|
|
get size() {
|
|
if (/** @type {number} */ (this._mode) <= 1) return this._mode;
|
|
return /** @type {Map<string, T>} */ (this._map).size;
|
|
}
|
|
}
|
|
|
|
exports.RuntimeSpecMap = RuntimeSpecMap;
|
|
|
|
class RuntimeSpecSet {
|
|
/**
|
|
* @param {Iterable<RuntimeSpec>=} iterable iterable
|
|
*/
|
|
constructor(iterable) {
|
|
/** @type {Map<string, RuntimeSpec>} */
|
|
this._map = new Map();
|
|
if (iterable) {
|
|
for (const item of iterable) {
|
|
this.add(item);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {RuntimeSpec} runtime runtime
|
|
*/
|
|
add(runtime) {
|
|
this._map.set(getRuntimeKey(runtime), runtime);
|
|
}
|
|
|
|
/**
|
|
* @param {RuntimeSpec} runtime runtime
|
|
* @returns {boolean} true, when the runtime exists
|
|
*/
|
|
has(runtime) {
|
|
return this._map.has(getRuntimeKey(runtime));
|
|
}
|
|
|
|
[Symbol.iterator]() {
|
|
return this._map.values();
|
|
}
|
|
|
|
get size() {
|
|
return this._map.size;
|
|
}
|
|
}
|
|
|
|
exports.RuntimeSpecSet = RuntimeSpecSet;
|