/*

MIT License http://www.opensource.org/licenses/mit-license.php

Author Tobias Koppers @sokra

*/

var ConcatSource = require("webpack-core/lib/ConcatSource");

function SetVarMainTemplateDecorator(mainTemplate, varExpression, copyObject) {

this.mainTemplate = mainTemplate;

this.varExpression = varExpression;

this.copyObject = copyObject;

}

module.exports = SetVarMainTemplateDecorator;

SetVarMainTemplateDecorator.prototype.render = function(hash, chunk, moduleTemplate, dependencyTemplates) {

var source = this.mainTemplate.render(hash, chunk, moduleTemplate, dependencyTemplates);

if(this.copyObject) {

return new ConcatSource("(function(e, a) { for(var i in a) e[i] = a[i]; }(" +

this.varExpression + ", ", source, "))");

} else {

var prefix = this.varExpression + " =\n";

return new ConcatSource(prefix, source);

}

};

SetVarMainTemplateDecorator.prototype.updateHash = function(hash) {

hash.update("set var");

hash.update(this.varExpression);

this.mainTemplate.updateHash(hash);

};