init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const DependenciesBlock = require("./DependenciesBlock");
const makeSerializable = require("./util/makeSerializable");
 
/** @typedef {import("./ChunkGraph")} ChunkGraph */
/** @typedef {import("./ChunkGroup")} ChunkGroup */
/** @typedef {import("./ChunkGroup").ChunkGroupOptions} ChunkGroupOptions */
/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
/** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("./Entrypoint").EntryOptions} EntryOptions */
/** @typedef {import("./Module")} Module */
/** @typedef {import("./serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("./serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("./util/Hash")} Hash */
 
class AsyncDependenciesBlock extends DependenciesBlock {
    /**
     * @param {ChunkGroupOptions & { entryOptions?: EntryOptions }} groupOptions options for the group
     * @param {DependencyLocation=} loc the line of code
     * @param {string=} request the request
     */
    constructor(groupOptions, loc, request) {
        super();
        if (typeof groupOptions === "string") {
            groupOptions = { name: groupOptions };
        } else if (!groupOptions) {
            groupOptions = { name: undefined };
        }
        this.groupOptions = groupOptions;
        this.loc = loc;
        this.request = request;
        this._stringifiedGroupOptions = undefined;
    }
 
    /**
     * @returns {string | undefined} The name of the chunk
     */
    get chunkName() {
        return this.groupOptions.name;
    }
 
    /**
     * @param {string | undefined} value The new chunk name
     * @returns {void}
     */
    set chunkName(value) {
        if (this.groupOptions.name !== value) {
            this.groupOptions.name = value;
            this._stringifiedGroupOptions = undefined;
        }
    }
 
    /**
     * @param {Hash} hash the hash used to track dependencies
     * @param {UpdateHashContext} context context
     * @returns {void}
     */
    updateHash(hash, context) {
        const { chunkGraph } = context;
        if (this._stringifiedGroupOptions === undefined) {
            this._stringifiedGroupOptions = JSON.stringify(this.groupOptions);
        }
        const chunkGroup = chunkGraph.getBlockChunkGroup(this);
        hash.update(
            `${this._stringifiedGroupOptions}${chunkGroup ? chunkGroup.id : ""}`
        );
        super.updateHash(hash, context);
    }
 
    /**
     * @param {ObjectSerializerContext} context context
     */
    serialize(context) {
        const { write } = context;
        write(this.groupOptions);
        write(this.loc);
        write(this.request);
        super.serialize(context);
    }
 
    /**
     * @param {ObjectDeserializerContext} context context
     */
    deserialize(context) {
        const { read } = context;
        this.groupOptions = read();
        this.loc = read();
        this.request = read();
        super.deserialize(context);
    }
}
 
makeSerializable(AsyncDependenciesBlock, "webpack/lib/AsyncDependenciesBlock");
 
Object.defineProperty(AsyncDependenciesBlock.prototype, "module", {
    get() {
        throw new Error(
            "module property was removed from AsyncDependenciesBlock (it's not needed)"
        );
    },
    set() {
        throw new Error(
            "module property was removed from AsyncDependenciesBlock (it's not needed)"
        );
    }
});
 
module.exports = AsyncDependenciesBlock;