create-js-app-scripts
Version:
Configuration and scripts for Create Js App.
43 lines (39 loc) • 1.5 kB
JavaScript
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var assign = require("object-assign");
var createInnerCallback = require("./createInnerCallback");
var getInnerRequest = require("./getInnerRequest");
function AliasPlugin(source, options, target) {
this.source = source;
this.name = options.name;
this.alias = options.alias;
this.onlyModule = options.onlyModule;
this.target = target;
}
module.exports = AliasPlugin;
AliasPlugin.prototype.apply = function(resolver) {
var target = this.target;
var name = this.name;
var alias = this.alias;
var onlyModule = this.onlyModule;
resolver.plugin(this.source, function(request, callback) {
var innerRequest = getInnerRequest(resolver, request);
if(!innerRequest) return callback();
if((!onlyModule && innerRequest.indexOf(name + "/") === 0) || innerRequest === name) {
if(innerRequest.indexOf(alias + "/") !== 0 && innerRequest != alias) {
var newRequestStr = alias + innerRequest.substr(name.length);
var obj = assign({}, request, {
request: newRequestStr
});
return resolver.doResolve(target, obj, "aliased with mapping '" + name + "': '" + alias + "' to '" + newRequestStr + "'", createInnerCallback(function(err, result) {
if(arguments.length > 0) return callback(err, result);
// don't allow other aliasing or raw request
callback(null, null);
}, callback));
}
}
return callback();
});
};