xwt
2025-07-04 b76e716ff4656191d73eba398e9eb39ee975e13b
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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const { HookMap, SyncBailHook, SyncWaterfallHook } = require("tapable");
const { concatComparators, keepOriginalOrder } = require("../util/comparators");
const smartGrouping = require("../util/smartGrouping");
 
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../ChunkGroup").OriginRecord} OriginRecord */
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../Compilation").Asset} Asset */
/** @typedef {import("../Compilation").NormalizedStatsOptions} NormalizedStatsOptions */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../ModuleGraph").ModuleProfile} ModuleProfile */
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
/** @typedef {import("../WebpackError")} WebpackError */
/** @typedef {import("../util/comparators").Comparator<EXPECTED_ANY>} Comparator */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
/** @typedef {import("../util/smartGrouping").GroupConfig<EXPECTED_ANY, EXPECTED_OBJECT>} GroupConfig */
/** @typedef {import("./DefaultStatsFactoryPlugin").ChunkGroupInfoWithName} ChunkGroupInfoWithName */
/** @typedef {import("./DefaultStatsFactoryPlugin").ModuleIssuerPath} ModuleIssuerPath */
/** @typedef {import("./DefaultStatsFactoryPlugin").ModuleTrace} ModuleTrace */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsAsset} StatsAsset */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsChunk} StatsChunk */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsChunkGroup} StatsChunkGroup */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsChunkOrigin} StatsChunkOrigin */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsCompilation} StatsCompilation */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsError} StatsError */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsModule} StatsModule */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsModuleIssuer} StatsModuleIssuer */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsModuleReason} StatsModuleReason */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsModuleTraceDependency} StatsModuleTraceDependency */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsModuleTraceItem} StatsModuleTraceItem */
/** @typedef {import("./DefaultStatsFactoryPlugin").StatsProfile} StatsProfile */
 
/**
 * @typedef {object} KnownStatsFactoryContext
 * @property {string} type
 * @property {(path: string) => string} makePathsRelative
 * @property {Compilation} compilation
 * @property {Set<Module>} rootModules
 * @property {Map<string, Chunk[]>} compilationFileToChunks
 * @property {Map<string, Chunk[]>} compilationAuxiliaryFileToChunks
 * @property {RuntimeSpec} runtime
 * @property {(compilation: Compilation) => WebpackError[]} cachedGetErrors
 * @property {(compilation: Compilation) => WebpackError[]} cachedGetWarnings
 */
 
/** @typedef {KnownStatsFactoryContext & Record<string, EXPECTED_ANY>} StatsFactoryContext */
 
// StatsLogging StatsLoggingEntry
 
/**
 * @template T
 * @template F
 * @typedef {T extends Compilation ? StatsCompilation : T extends ChunkGroupInfoWithName ? StatsChunkGroup : T extends Chunk ? StatsChunk : T extends OriginRecord ? StatsChunkOrigin : T extends Module ? StatsModule : T extends ModuleGraphConnection ? StatsModuleReason : T extends Asset ? StatsAsset : T extends ModuleTrace ? StatsModuleTraceItem : T extends Dependency ? StatsModuleTraceDependency : T extends Error ? StatsError : T extends ModuleProfile ? StatsProfile : F} StatsObject
 */
 
/**
 * @template T
 * @template F
 * @typedef {T extends ChunkGroupInfoWithName[] ? Record<string, StatsObject<ChunkGroupInfoWithName, F>> : T extends (infer V)[] ? StatsObject<V, F>[] : StatsObject<T, F>} CreatedObject
 */
 
/** @typedef {TODO} FactoryData */
/** @typedef {TODO} FactoryDataItem */
/** @typedef {TODO} Result */
/** @typedef {Record<string, TODO>} ObjectForExtract */
 
/**
 * @typedef {object} StatsFactoryHooks
 * @property {HookMap<SyncBailHook<[ObjectForExtract, FactoryData, StatsFactoryContext], void>>} extract
 * @property {HookMap<SyncBailHook<[FactoryDataItem, StatsFactoryContext, number, number], boolean | void>>} filter
 * @property {HookMap<SyncBailHook<[Comparator[], StatsFactoryContext], void>>} sort
 * @property {HookMap<SyncBailHook<[FactoryDataItem, StatsFactoryContext, number, number], boolean | void>>} filterSorted
 * @property {HookMap<SyncBailHook<[GroupConfig[], StatsFactoryContext], void>>} groupResults
 * @property {HookMap<SyncBailHook<[Comparator[], StatsFactoryContext], void>>} sortResults
 * @property {HookMap<SyncBailHook<[FactoryDataItem, StatsFactoryContext, number, number], boolean | void>>} filterResults
 * @property {HookMap<SyncBailHook<[FactoryDataItem[], StatsFactoryContext], Result | void>>} merge
 * @property {HookMap<SyncBailHook<[Result, StatsFactoryContext], Result>>} result
 * @property {HookMap<SyncBailHook<[FactoryDataItem, StatsFactoryContext], string | void>>} getItemName
 * @property {HookMap<SyncBailHook<[FactoryDataItem, StatsFactoryContext], StatsFactory | void>>} getItemFactory
 */
 
/**
 * @template T
 * @typedef {Map<string, T[]>} Caches
 */
 
class StatsFactory {
    constructor() {
        /** @type {StatsFactoryHooks} */
        this.hooks = Object.freeze({
            extract: new HookMap(
                () => new SyncBailHook(["object", "data", "context"])
            ),
            filter: new HookMap(
                () => new SyncBailHook(["item", "context", "index", "unfilteredIndex"])
            ),
            sort: new HookMap(() => new SyncBailHook(["comparators", "context"])),
            filterSorted: new HookMap(
                () => new SyncBailHook(["item", "context", "index", "unfilteredIndex"])
            ),
            groupResults: new HookMap(
                () => new SyncBailHook(["groupConfigs", "context"])
            ),
            sortResults: new HookMap(
                () => new SyncBailHook(["comparators", "context"])
            ),
            filterResults: new HookMap(
                () => new SyncBailHook(["item", "context", "index", "unfilteredIndex"])
            ),
            merge: new HookMap(() => new SyncBailHook(["items", "context"])),
            result: new HookMap(() => new SyncWaterfallHook(["result", "context"])),
            getItemName: new HookMap(() => new SyncBailHook(["item", "context"])),
            getItemFactory: new HookMap(() => new SyncBailHook(["item", "context"]))
        });
        const hooks = this.hooks;
        this._caches = /** @type {TODO} */ ({});
        for (const key of Object.keys(hooks)) {
            this._caches[/** @type {keyof StatsFactoryHooks} */ (key)] = new Map();
        }
        this._inCreate = false;
    }
 
    /**
     * @template {StatsFactoryHooks[keyof StatsFactoryHooks]} HM
     * @template {HM extends HookMap<infer H> ? H : never} H
     * @param {HM} hookMap hook map
     * @param {Caches<H>} cache cache
     * @param {string} type type
     * @returns {H[]} hooks
     * @private
     */
    _getAllLevelHooks(hookMap, cache, type) {
        const cacheEntry = cache.get(type);
        if (cacheEntry !== undefined) {
            return cacheEntry;
        }
        const hooks = /** @type {H[]} */ ([]);
        const typeParts = type.split(".");
        for (let i = 0; i < typeParts.length; i++) {
            const hook = /** @type {H} */ (hookMap.get(typeParts.slice(i).join(".")));
            if (hook) {
                hooks.push(hook);
            }
        }
        cache.set(type, hooks);
        return hooks;
    }
 
    /**
     * @template {StatsFactoryHooks[keyof StatsFactoryHooks]} HM
     * @template {HM extends HookMap<infer H> ? H : never} H
     * @template {H extends import("tapable").Hook<any, infer R> ? R : never} R
     * @param {HM} hookMap hook map
     * @param {Caches<H>} cache cache
     * @param {string} type type
     * @param {(hook: H) => R | void} fn fn
     * @returns {R | void} hook
     * @private
     */
    _forEachLevel(hookMap, cache, type, fn) {
        for (const hook of this._getAllLevelHooks(hookMap, cache, type)) {
            const result = fn(/** @type {H} */ (hook));
            if (result !== undefined) return result;
        }
    }
 
    /**
     * @template {StatsFactoryHooks[keyof StatsFactoryHooks]} HM
     * @template {HM extends HookMap<infer H> ? H : never} H
     * @param {HM} hookMap hook map
     * @param {Caches<H>} cache cache
     * @param {string} type type
     * @param {FactoryData} data data
     * @param {(hook: H, factoryData: FactoryData) => FactoryData} fn fn
     * @returns {FactoryData} data
     * @private
     */
    _forEachLevelWaterfall(hookMap, cache, type, data, fn) {
        for (const hook of this._getAllLevelHooks(hookMap, cache, type)) {
            data = fn(/** @type {H} */ (hook), data);
        }
        return data;
    }
 
    /**
     * @template {StatsFactoryHooks[keyof StatsFactoryHooks]} T
     * @template {T extends HookMap<infer H> ? H : never} H
     * @template {H extends import("tapable").Hook<any, infer R> ? R : never} R
     * @param {T} hookMap hook map
     * @param {Caches<H>} cache cache
     * @param {string} type type
     * @param {Array<FactoryData>} items items
     * @param {(hook: H, item: R, idx: number, i: number) => R | undefined} fn fn
     * @param {boolean} forceClone force clone
     * @returns {R[]} result for each level
     * @private
     */
    _forEachLevelFilter(hookMap, cache, type, items, fn, forceClone) {
        const hooks = this._getAllLevelHooks(hookMap, cache, type);
        if (hooks.length === 0) return forceClone ? items.slice() : items;
        let i = 0;
        return items.filter((item, idx) => {
            for (const hook of hooks) {
                const r = fn(/** @type {H} */ (hook), item, idx, i);
                if (r !== undefined) {
                    if (r) i++;
                    return r;
                }
            }
            i++;
            return true;
        });
    }
 
    /**
     * @template FactoryData
     * @template FallbackCreatedObject
     * @param {string} type type
     * @param {FactoryData} data factory data
     * @param {Omit<StatsFactoryContext, "type">} baseContext context used as base
     * @returns {CreatedObject<FactoryData, FallbackCreatedObject>} created object
     */
    create(type, data, baseContext) {
        if (this._inCreate) {
            return this._create(type, data, baseContext);
        }
        try {
            this._inCreate = true;
            return this._create(type, data, baseContext);
        } finally {
            for (const key of Object.keys(this._caches))
                this._caches[/** @type {keyof StatsFactoryHooks} */ (key)].clear();
            this._inCreate = false;
        }
    }
 
    /**
     * @private
     * @template FactoryData
     * @template FallbackCreatedObject
     * @param {string} type type
     * @param {FactoryData} data factory data
     * @param {Omit<StatsFactoryContext, "type">} baseContext context used as base
     * @returns {CreatedObject<FactoryData, FallbackCreatedObject>} created object
     */
    _create(type, data, baseContext) {
        const context = /** @type {StatsFactoryContext} */ ({
            ...baseContext,
            type,
            [type]: data
        });
        if (Array.isArray(data)) {
            // run filter on unsorted items
            const items = this._forEachLevelFilter(
                this.hooks.filter,
                this._caches.filter,
                type,
                data,
                (h, r, idx, i) => h.call(r, context, idx, i),
                true
            );
 
            // sort items
            /** @type {Comparator[]} */
            const comparators = [];
            this._forEachLevel(this.hooks.sort, this._caches.sort, type, h =>
                h.call(comparators, context)
            );
            if (comparators.length > 0) {
                items.sort(
                    // @ts-expect-error number of arguments is correct
                    concatComparators(...comparators, keepOriginalOrder(items))
                );
            }
 
            // run filter on sorted items
            const items2 = this._forEachLevelFilter(
                this.hooks.filterSorted,
                this._caches.filterSorted,
                type,
                items,
                (h, r, idx, i) => h.call(r, context, idx, i),
                false
            );
 
            // for each item
            let resultItems = items2.map((item, i) => {
                /** @type {StatsFactoryContext} */
                const itemContext = {
                    ...context,
                    _index: i
                };
 
                // run getItemName
                const itemName = this._forEachLevel(
                    this.hooks.getItemName,
                    this._caches.getItemName,
                    `${type}[]`,
                    h => h.call(item, itemContext)
                );
                if (itemName) itemContext[itemName] = item;
                const innerType = itemName ? `${type}[].${itemName}` : `${type}[]`;
 
                // run getItemFactory
                const itemFactory =
                    this._forEachLevel(
                        this.hooks.getItemFactory,
                        this._caches.getItemFactory,
                        innerType,
                        h => h.call(item, itemContext)
                    ) || this;
 
                // run item factory
                return itemFactory.create(innerType, item, itemContext);
            });
 
            // sort result items
            /** @type {Comparator[]} */
            const comparators2 = [];
            this._forEachLevel(
                this.hooks.sortResults,
                this._caches.sortResults,
                type,
                h => h.call(comparators2, context)
            );
            if (comparators2.length > 0) {
                resultItems.sort(
                    // @ts-expect-error number of arguments is correct
                    concatComparators(...comparators2, keepOriginalOrder(resultItems))
                );
            }
 
            // group result items
            /** @type {GroupConfig[]} */
            const groupConfigs = [];
            this._forEachLevel(
                this.hooks.groupResults,
                this._caches.groupResults,
                type,
                h => h.call(groupConfigs, context)
            );
            if (groupConfigs.length > 0) {
                resultItems = smartGrouping(resultItems, groupConfigs);
            }
 
            // run filter on sorted result items
            const finalResultItems = this._forEachLevelFilter(
                this.hooks.filterResults,
                this._caches.filterResults,
                type,
                resultItems,
                (h, r, idx, i) => h.call(r, context, idx, i),
                false
            );
 
            // run merge on mapped items
            let result = this._forEachLevel(
                this.hooks.merge,
                this._caches.merge,
                type,
                h => h.call(finalResultItems, context)
            );
            if (result === undefined) result = finalResultItems;
 
            // run result on merged items
            return this._forEachLevelWaterfall(
                this.hooks.result,
                this._caches.result,
                type,
                result,
                (h, r) => h.call(r, context)
            );
        }
        /** @type {ObjectForExtract} */
        const object = {};
 
        // run extract on value
        this._forEachLevel(this.hooks.extract, this._caches.extract, type, h =>
            h.call(object, data, context)
        );
 
        // run result on extracted object
        return this._forEachLevelWaterfall(
            this.hooks.result,
            this._caches.result,
            type,
            object,
            (h, r) => h.call(r, context)
        );
    }
}
module.exports = StatsFactory;