aaac7fed
 liuqimichale
add
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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 forEachBail = require("./forEachBail");
var createInnerCallback = require("./createInnerCallback");
function ConcordExtensionsPlugin(source, options, target) {
this.source = source;
this.options = options;
this.target = target;
}
module.exports = ConcordExtensionsPlugin;
ConcordExtensionsPlugin.prototype.apply = function(resolver) {
var target = this.target;
resolver.plugin(this.source, function(request, callback) {
var concordField = DescriptionFileUtils.getField(request.descriptionFileData, "concord");
if(!concordField) return callback();
var extensions = concord.getExtensions(request.context, concordField);
if(!extensions) return callback();
var topLevelCallback = callback;
forEachBail(extensions, function(appending, callback) {
var obj = Object.assign({}, request, {
path: request.path + appending,
relativePath: request.relativePath && (request.relativePath + appending)
});
resolver.doResolve(target, obj, "concord extension: " + appending, createInnerCallback(callback, topLevelCallback));
}, function(err, result) {
if(arguments.length > 0) return callback(err, result);
callback(null, null);
});
});
};
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