init

马宇豪

2024-07-16 f591c27b57e2418c9495bc02ae8cfff84d35bc18

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Ivan Kopeykin @vankop
*/
 
"use strict";
 
const Dependency = require("../Dependency");
const Template = require("../Template");
const makeSerializable = require("../util/makeSerializable");
const ModuleDependency = require("./ModuleDependency");
 
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Compilation")} Compilation */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
 
class WebpackIsIncludedDependency extends ModuleDependency {
    /**
     * @param {string} request the request string
     * @param {Range} range location in source code
     */
    constructor(request, range) {
        super(request);
 
        this.weak = true;
        this.range = range;
    }
 
    /**
     * Returns list of exports referenced by this dependency
     * @param {ModuleGraph} moduleGraph module graph
     * @param {RuntimeSpec} runtime the runtime for which the module is analysed
     * @returns {(string[] | ReferencedExport)[]} referenced exports
     */
    getReferencedExports(moduleGraph, runtime) {
        // This doesn't use any export
        return Dependency.NO_EXPORTS_REFERENCED;
    }
 
    get type() {
        return "__webpack_is_included__";
    }
}
 
makeSerializable(
    WebpackIsIncludedDependency,
    "webpack/lib/dependencies/WebpackIsIncludedDependency"
);
 
WebpackIsIncludedDependency.Template = class WebpackIsIncludedDependencyTemplate extends (
    ModuleDependency.Template
) {
    /**
     * @param {Dependency} dependency the dependency for which the template should be applied
     * @param {ReplaceSource} source the current replace source which can be modified
     * @param {DependencyTemplateContext} templateContext the context object
     * @returns {void}
     */
    apply(dependency, source, { runtimeTemplate, chunkGraph, moduleGraph }) {
        const dep = /** @type {WebpackIsIncludedDependency} */ (dependency);
        const connection = moduleGraph.getConnection(dep);
        const included = connection
            ? chunkGraph.getNumberOfModuleChunks(connection.module) > 0
            : false;
        const comment = runtimeTemplate.outputOptions.pathinfo
            ? Template.toComment(
                    `__webpack_is_included__ ${runtimeTemplate.requestShortener.shorten(
                        dep.request
                    )}`
              )
            : "";
 
        source.replace(
            dep.range[0],
            dep.range[1] - 1,
            `${comment}${JSON.stringify(included)}`
        );
    }
};
 
module.exports = WebpackIsIncludedDependency;