mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
| /*
 | |
| 	MIT License http://www.opensource.org/licenses/mit-license.php
 | |
| 	Author Tobias Koppers @sokra
 | |
| */
 | |
| var async = require("async");
 | |
| 
 | |
| function CachePlugin(cache) {
 | |
| 	this.cache = cache || {};
 | |
| }
 | |
| module.exports = CachePlugin;
 | |
| 
 | |
| CachePlugin.prototype.apply = function(compiler) {
 | |
| 	if(Array.isArray(compiler.compilers)) {
 | |
| 		compiler.compilers.forEach(function(c, idx) {
 | |
| 			c.apply(new CachePlugin(this.cache[idx] = this.cache[idx] || {}));
 | |
| 		}, this);
 | |
| 	} else {
 | |
| 		compiler.plugin("compilation", function(compilation) {
 | |
| 			compilation.cache = this.cache;
 | |
| 		}.bind(this));
 | |
| 		compiler.plugin("run", function(compiler, callback) {
 | |
| 			if(!compiler._lastCompilationFileDependencies) return callback();
 | |
| 			var fs = compiler.inputFileSystem;
 | |
| 			fileTs = compiler.fileTimestamps = {};
 | |
| 			async.forEach(compiler._lastCompilationFileDependencies, function(file, callback) {
 | |
| 				fs.stat(file, function(err, stat) {
 | |
| 					if(err) {
 | |
| 						if(err.code === 'ENOENT') return callback();
 | |
| 						return callback(err);
 | |
| 					}
 | |
| 					
 | |
| 					fileTs[file] = stat.mtime || Infinity;
 | |
| 					callback();
 | |
| 				});
 | |
| 			}, callback);
 | |
| 		}.bind(this));
 | |
| 		compiler.plugin("after-compile", function(compilation, callback) {
 | |
| 			compilation.compiler._lastCompilationFileDependencies = compilation.fileDependencies;
 | |
| 			compilation.compiler._lastCompilationContextDependencies = compilation.contextDependencies;
 | |
| 			callback();
 | |
| 		}.bind(this));
 | |
| 	}
 | |
| }; |