work.suroh.tk/node_modules/enhanced-resolve/lib/ModuleAppendPlugin.js

45 lines
1.2 KiB
JavaScript

/*
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
);
});
}
};