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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- const concord = require("./concord");
- const DescriptionFileUtils = require("./DescriptionFileUtils");
- const getInnerRequest = require("./getInnerRequest");
-
- module.exports = class ConcordModulesPlugin {
- constructor(source, options, target) {
- this.source = source;
- this.options = options;
- this.target = target;
- }
-
- apply(resolver) {
- const target = resolver.ensureHook(this.target);
- resolver.getHook(this.source).tapAsync("ConcordModulesPlugin", (request, resolveContext, callback) => {
- const innerRequest = getInnerRequest(resolver, request);
- if(!innerRequest) return callback();
- const concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
- if(!concordField) return callback();
- const data = concord.matchModule(request.context, concordField, innerRequest);
- if(data === innerRequest) return callback();
- if(data === undefined) return callback();
- if(data === false) {
- const ignoreObj = Object.assign({}, request, {
- path: false
- });
- return callback(null, ignoreObj);
- }
- const obj = Object.assign({}, request, {
- path: request.descriptionFileRoot,
- request: data
- });
- resolver.doResolve(target, obj, "aliased from description file " + request.descriptionFilePath + " with mapping '" + innerRequest + "' to '" + data + "'", resolveContext, (err, result) => {
- if(err) return callback(err);
-
- // Don't allow other aliasing or raw request
- if(result === undefined) return callback(null, null);
- callback(null, result);
- });
- });
- }
- };
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