mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			37 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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var ConcatSource = require("webpack-core/lib/ConcatSource");
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function SetVarMainTemplatePlugin(varExpression, copyObject) {
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	this.varExpression = varExpression;
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	this.copyObject = copyObject;
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}
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module.exports = SetVarMainTemplatePlugin;
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SetVarMainTemplatePlugin.prototype.apply = function(compilation) {
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	var mainTemplate = compilation.mainTemplate;
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	compilation.templatesPlugin("render-with-entry", function(source, chunk, hash) {
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		var varExpression = mainTemplate.applyPluginsWaterfall("asset-path", this.varExpression, {
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			hash: hash,
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			chunk: chunk
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		});
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		if(this.copyObject) {
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			return new ConcatSource("(function(e, a) { for(var i in a) e[i] = a[i]; }(" +
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				varExpression + ", ", source, "))");
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		} else {
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			var prefix = varExpression + " =\n";
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			return new ConcatSource(prefix, source);
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		}
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	}.bind(this));
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	mainTemplate.plugin("global-hash-paths", function(paths) {
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		if(this.varExpression) paths.push(this.varExpression);
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		return paths;
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	});
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	mainTemplate.plugin("hash", function(hash) {
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		hash.update("set var");
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		hash.update(this.varExpression + "");
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		hash.update(this.copyObject + "");
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	}.bind(this));
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};
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