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wwl

2025-07-30 61b58bd03d04d2eb50ac2d93a188c819fe67e01e

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const Template = require("../Template");
const AwaitDependenciesInitFragment = require("../async-modules/AwaitDependenciesInitFragment");
const makeSerializable = require("../util/makeSerializable");
const HarmonyImportDependency = require("./HarmonyImportDependency");
const NullDependency = require("./NullDependency");
 
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("./HarmonyAcceptImportDependency")} HarmonyAcceptImportDependency */
 
class HarmonyAcceptDependency extends NullDependency {
    /**
     * @param {Range} range expression range
     * @param {HarmonyAcceptImportDependency[]} dependencies import dependencies
     * @param {boolean} hasCallback true, if the range wraps an existing callback
     */
    constructor(range, dependencies, hasCallback) {
        super();
        this.range = range;
        this.dependencies = dependencies;
        this.hasCallback = hasCallback;
    }
 
    get type() {
        return "accepted harmony modules";
    }
 
    /**
     * @param {ObjectSerializerContext} context context
     */
    serialize(context) {
        const { write } = context;
        write(this.range);
        write(this.dependencies);
        write(this.hasCallback);
        super.serialize(context);
    }
 
    /**
     * @param {ObjectDeserializerContext} context context
     */
    deserialize(context) {
        const { read } = context;
        this.range = read();
        this.dependencies = read();
        this.hasCallback = read();
        super.deserialize(context);
    }
}
 
makeSerializable(
    HarmonyAcceptDependency,
    "webpack/lib/dependencies/HarmonyAcceptDependency"
);
 
HarmonyAcceptDependency.Template = class HarmonyAcceptDependencyTemplate extends (
    NullDependency.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, templateContext) {
        const dep = /** @type {HarmonyAcceptDependency} */ (dependency);
        const {
            module,
            runtime,
            runtimeRequirements,
            runtimeTemplate,
            moduleGraph,
            chunkGraph
        } = templateContext;
 
        /** @type {HarmonyAcceptImportDependency[]} */
        const syncDeps = [];
 
        /** @type {HarmonyAcceptImportDependency[]} */
        const asyncDeps = [];
 
        for (const dependency of dep.dependencies) {
            const connection = moduleGraph.getConnection(dependency);
 
            if (connection && moduleGraph.isAsync(connection.module)) {
                asyncDeps.push(dependency);
            } else {
                syncDeps.push(dependency);
            }
        }
 
        let content = syncDeps
            .map((dependency) => {
                const referencedModule = moduleGraph.getModule(dependency);
                return {
                    dependency,
                    runtimeCondition: referencedModule
                        ? HarmonyImportDependency.Template.getImportEmittedRuntime(
                                module,
                                referencedModule
                            )
                        : false
                };
            })
            .filter(({ runtimeCondition }) => runtimeCondition !== false)
            .map(({ dependency, runtimeCondition }) => {
                const condition = runtimeTemplate.runtimeConditionExpression({
                    chunkGraph,
                    runtime,
                    runtimeCondition,
                    runtimeRequirements
                });
                const s = dependency.getImportStatement(true, templateContext);
                const code = s[0] + s[1];
                if (condition !== "true") {
                    return `if (${condition}) {\n${Template.indent(code)}\n}\n`;
                }
                return code;
            })
            .join("");
 
        const promises = new Map(
            asyncDeps.map((dependency) => [
                dependency.getImportVar(moduleGraph),
                dependency.getModuleExports(templateContext)
            ])
        );
 
        let optAsync = "";
        if (promises.size !== 0) {
            optAsync = "async ";
            content += new AwaitDependenciesInitFragment(promises).getContent({
                ...templateContext,
                type: "javascript"
            });
        }
 
        if (dep.hasCallback) {
            if (runtimeTemplate.supportsArrowFunction()) {
                source.insert(
                    dep.range[0],
                    `${optAsync}__WEBPACK_OUTDATED_DEPENDENCIES__ => { ${content} return (`
                );
                source.insert(dep.range[1], ")(__WEBPACK_OUTDATED_DEPENDENCIES__); }");
            } else {
                source.insert(
                    dep.range[0],
                    `${optAsync}function(__WEBPACK_OUTDATED_DEPENDENCIES__) { ${content} return (`
                );
                source.insert(
                    dep.range[1],
                    ")(__WEBPACK_OUTDATED_DEPENDENCIES__); }.bind(this)"
                );
            }
            return;
        }
 
        const arrow = runtimeTemplate.supportsArrowFunction();
        source.insert(
            dep.range[1] - 0.5,
            `, ${arrow ? `${optAsync}() =>` : `${optAsync}function()`} { ${content} }`
        );
    }
};
 
module.exports = HarmonyAcceptDependency;