优化

‘liusuyi’

2023-10-21 ae92b6823499cfab77201b4033922fa373fb37a3

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
"use strict";
 
module.exports = class ModuleAppendPlugin {
    constructor(source, appending, target) {
        this.source = source;
        this.appending = appending;
        this.target = target;
    }
 
    apply(resolver) {
        const target = resolver.ensureHook(this.target);
        resolver
            .getHook(this.source)
            .tapAsync("ModuleAppendPlugin", (request, resolveContext, callback) => {
                const i = request.request.indexOf("/"),
                    j = request.request.indexOf("\\");
                const p = i < 0 ? j : j < 0 ? i : i < j ? i : j;
                let moduleName, remainingRequest;
                if (p < 0) {
                    moduleName = request.request;
                    remainingRequest = "";
                } else {
                    moduleName = request.request.substr(0, p);
                    remainingRequest = request.request.substr(p);
                }
                if (moduleName === "." || moduleName === "..") return callback();
                const moduleFinalName = moduleName + this.appending;
                const obj = Object.assign({}, request, {
                    request: moduleFinalName + remainingRequest
                });
                resolver.doResolve(
                    target,
                    obj,
                    "module variation " + moduleFinalName,
                    resolveContext,
                    callback
                );
            });
    }
};