ConcordModulesPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var concord = require("./concord");
var DescriptionFileUtils = require("./DescriptionFileUtils");
var createInnerCallback = require("./createInnerCallback");
var getInnerRequest = require("./getInnerRequest");
function ConcordModulesPlugin(source, options, target) {
this.source = source;
this.options = options;
this.target = target;
}
module.exports = ConcordModulesPlugin;
ConcordModulesPlugin.prototype.apply = function(resolver) {
var target = this.target;
resolver.plugin(this.source, function(request, callback) {
var innerRequest = getInnerRequest(resolver, request);
if(!innerRequest) return callback();
var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
if(!concordField) return callback();
var data = concord.matchModule(request.context, concordField, innerRequest);
if(data === innerRequest) return callback();
if(data === undefined) return callback();
if(data === false) {
var ignoreObj = Object.assign({}, request, {
path: false
});
return callback(null, ignoreObj);
}
var obj = Object.assign({}, request, {
path: request.descriptionFileRoot,
request: data
});
resolver.doResolve(target, obj, "aliased from description file " + request.descriptionFilePath + " with mapping '" + innerRequest + "' to '" + data + "'", createInnerCallback(function(err, result) {
if(arguments.length > 0) return callback(err, result);
// Don't allow other aliasing or raw request
callback(null, null);
}, callback));
});
};