来料检优化，首检巡检

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 { join, dirname } = require("./util/fs");
 
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./NormalModuleFactory").ResolveData} ResolveData */
/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
 
/** @typedef {(resolveData: ResolveData) => void} ModuleReplacer */
 
const PLUGIN_NAME = "NormalModuleReplacementPlugin";
 
class NormalModuleReplacementPlugin {
    /**
     * Create an instance of the plugin
     * @param {RegExp} resourceRegExp the resource matcher
     * @param {string | ModuleReplacer} newResource the resource replacement
     */
    constructor(resourceRegExp, newResource) {
        this.resourceRegExp = resourceRegExp;
        this.newResource = newResource;
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        const resourceRegExp = this.resourceRegExp;
        const newResource = this.newResource;
        compiler.hooks.normalModuleFactory.tap(PLUGIN_NAME, nmf => {
            nmf.hooks.beforeResolve.tap(PLUGIN_NAME, result => {
                if (resourceRegExp.test(result.request)) {
                    if (typeof newResource === "function") {
                        newResource(result);
                    } else {
                        result.request = newResource;
                    }
                }
            });
            nmf.hooks.afterResolve.tap(PLUGIN_NAME, result => {
                const createData = result.createData;
                if (resourceRegExp.test(/** @type {string} */ (createData.resource))) {
                    if (typeof newResource === "function") {
                        newResource(result);
                    } else {
                        const fs =
                            /** @type {InputFileSystem} */
                            (compiler.inputFileSystem);
                        if (
                            newResource.startsWith("/") ||
                            (newResource.length > 1 && newResource[1] === ":")
                        ) {
                            createData.resource = newResource;
                        } else {
                            createData.resource = join(
                                fs,
                                dirname(fs, /** @type {string} */ (createData.resource)),
                                newResource
                            );
                        }
                    }
                }
            });
        });
    }
}
 
module.exports = NormalModuleReplacementPlugin;