1. module compression-webpack-plugin
   1. function compression-webpack-plugin (options)
   2. function compression-webpack-plugin.index (options)
   3. object compression-webpack-plugin.index.prototype
2. module compression-webpack-plugin.index
   1. function compression-webpack-plugin.index (options)
3. module compression-webpack-plugin.index.prototype
   1. function compression-webpack-plugin.index.prototype.apply (compiler)

module compression-webpack-plugin

function compression-webpack-plugin (options)

• description and source-code

  function CompressionPlugin(options) {
  	options = options || {};
  	this.asset = options.asset || "[path].gz[query]";
  	this.algorithm = options.algorithm || "gzip";
  	this.filename = options.filename || false;
  	this.compressionOptions = {};
  	if(typeof this.algorithm === "string") {
  		if (this.algorithm === "zopfli") {
  			try {
  				var zopfli = require("node-zopfli");
  			} catch(err) {
  				throw new Error("node-zopfli not found");
  			}
  			this.compressionOptions = {
  				verbose: options.hasOwnProperty('verbose') ? options.verbose : false,
  				verbose_more: options.hasOwnProperty('verbose_more') ? options.verbose_more : false,
  				numiterations: options.numiterations ? options.numiterations : 15,
  				blocksplitting: options.hasOwnProperty('blocksplitting') ? options.blocksplitting : true,
  				blocksplittinglast: options.hasOwnProperty('blocksplittinglast') ? options.blocksplittinglast : false,
  				blocksplittingmax: options.blocksplittingmax ? options.blocksplittingmax : 15
  			};
  			this.algorithm = function (content, options, fn) {
  				zopfli.gzip(content, options, fn);
  			};
  		} else {
  			var zlib = require("zlib");
  			this.algorithm = zlib[this.algorithm];
  			if(!this.algorithm) throw new Error("Algorithm not found in zlib");
  			this.compressionOptions = {
  				level: options.level || 9,
  				flush: options.flush,
  				chunkSize: options.chunkSize,
  				windowBits: options.windowBits,
  				memLevel: options.memLevel,
  				strategy: options.strategy,
  				dictionary: options.dictionary
  			};
  		}
  	}
  	this.test = options.test || options.regExp;
  	this.threshold = options.threshold || 0;
  	this.minRatio = options.minRatio || 0.8;
  	this.deleteOriginalAssets = options.deleteOriginalAssets || false;
  }

• example usage

  n/a

function compression-webpack-plugin.index (options)

• description and source-code

  function CompressionPlugin(options) {
  	options = options || {};
  	this.asset = options.asset || "[path].gz[query]";
  	this.algorithm = options.algorithm || "gzip";
  	this.filename = options.filename || false;
  	this.compressionOptions = {};
  	if(typeof this.algorithm === "string") {
  		if (this.algorithm === "zopfli") {
  			try {
  				var zopfli = require("node-zopfli");
  			} catch(err) {
  				throw new Error("node-zopfli not found");
  			}
  			this.compressionOptions = {
  				verbose: options.hasOwnProperty('verbose') ? options.verbose : false,
  				verbose_more: options.hasOwnProperty('verbose_more') ? options.verbose_more : false,
  				numiterations: options.numiterations ? options.numiterations : 15,
  				blocksplitting: options.hasOwnProperty('blocksplitting') ? options.blocksplitting : true,
  				blocksplittinglast: options.hasOwnProperty('blocksplittinglast') ? options.blocksplittinglast : false,
  				blocksplittingmax: options.blocksplittingmax ? options.blocksplittingmax : 15
  			};
  			this.algorithm = function (content, options, fn) {
  				zopfli.gzip(content, options, fn);
  			};
  		} else {
  			var zlib = require("zlib");
  			this.algorithm = zlib[this.algorithm];
  			if(!this.algorithm) throw new Error("Algorithm not found in zlib");
  			this.compressionOptions = {
  				level: options.level || 9,
  				flush: options.flush,
  				chunkSize: options.chunkSize,
  				windowBits: options.windowBits,
  				memLevel: options.memLevel,
  				strategy: options.strategy,
  				dictionary: options.dictionary
  			};
  		}
  	}
  	this.test = options.test || options.regExp;
  	this.threshold = options.threshold || 0;
  	this.minRatio = options.minRatio || 0.8;
  	this.deleteOriginalAssets = options.deleteOriginalAssets || false;
  }

• example usage

  n/a

module compression-webpack-plugin.index

function compression-webpack-plugin.index (options)

• description and source-code

  function CompressionPlugin(options) {
  	options = options || {};
  	this.asset = options.asset || "[path].gz[query]";
  	this.algorithm = options.algorithm || "gzip";
  	this.filename = options.filename || false;
  	this.compressionOptions = {};
  	if(typeof this.algorithm === "string") {
  		if (this.algorithm === "zopfli") {
  			try {
  				var zopfli = require("node-zopfli");
  			} catch(err) {
  				throw new Error("node-zopfli not found");
  			}
  			this.compressionOptions = {
  				verbose: options.hasOwnProperty('verbose') ? options.verbose : false,
  				verbose_more: options.hasOwnProperty('verbose_more') ? options.verbose_more : false,
  				numiterations: options.numiterations ? options.numiterations : 15,
  				blocksplitting: options.hasOwnProperty('blocksplitting') ? options.blocksplitting : true,
  				blocksplittinglast: options.hasOwnProperty('blocksplittinglast') ? options.blocksplittinglast : false,
  				blocksplittingmax: options.blocksplittingmax ? options.blocksplittingmax : 15
  			};
  			this.algorithm = function (content, options, fn) {
  				zopfli.gzip(content, options, fn);
  			};
  		} else {
  			var zlib = require("zlib");
  			this.algorithm = zlib[this.algorithm];
  			if(!this.algorithm) throw new Error("Algorithm not found in zlib");
  			this.compressionOptions = {
  				level: options.level || 9,
  				flush: options.flush,
  				chunkSize: options.chunkSize,
  				windowBits: options.windowBits,
  				memLevel: options.memLevel,
  				strategy: options.strategy,
  				dictionary: options.dictionary
  			};
  		}
  	}
  	this.test = options.test || options.regExp;
  	this.threshold = options.threshold || 0;
  	this.minRatio = options.minRatio || 0.8;
  	this.deleteOriginalAssets = options.deleteOriginalAssets || false;
  }

• example usage

  n/a

module compression-webpack-plugin.index.prototype

function compression-webpack-plugin.index.prototype.apply (compiler)

• description and source-code

  apply = function (compiler) {
  	compiler.plugin("this-compilation", function(compilation) {
  		compilation.plugin("optimize-assets", function(assets, callback) {
  			async.forEach(Object.keys(assets), function(file, callback) {
  				if(Array.isArray(this.test)) {
  					if(this.test.every(function(t) {
  						return !t.test(file);
  					})) return callback();
  				} else if(this.test && !this.test.test(file))
  					return callback();
  				var asset = assets[file];
  				var content = asset.source();
  				if(!Buffer.isBuffer(content))
  					content = new Buffer(content, "utf-8");
  				var originalSize = content.length;
  				if(originalSize < this.threshold) return callback();
  				this.algorithm(content, this.compressionOptions, function(err, result) {
  					if(err) return callback(err);
  					if(result.length / originalSize > this.minRatio) return callback();
  					var parse = url.parse(file);
  					var sub = {
  						file: file,
  						path: parse.pathname,
  						query: parse.query || ""
  					};
  					var newFile = this.asset.replace(/\[(file|path|query)\]/g, function(p0,p1) {
  						return sub[p1];
  					});
  					if (typeof this.filename === 'function') {
  						newFile = this.filename(newFile);
  					}					
  					assets[newFile] = new RawSource(result);
  					if (this.deleteOriginalAssets) {
  						delete assets[file];
  					}
  					callback();
  				}.bind(this));
  			}.bind(this), callback);
  		}.bind(this));
  	}.bind(this));
  }

• example usage

  n/a