refactor: Expose zopfli compression options

Author: rufman

README.md

@@ -20,11 +20,19 @@ module.exports = {
 Arguments:
 
 * `asset`: The target asset name. `{file}` is replaced with the original asset. Defaults to `"{file}.gz"`.
-* `algorithm`: Can be a `function(buf, callback)` or a string. For a string the algorithm is tacken from `zlib`. Defaults to `"gzip"`.
+* `algorithm`: Can be a `function(buf, callback)` or a string. For a string the algorithm is taken from `zlib` (or zopfli for `zopfli`). Defaults to `"gzip"`.
 * `regExp`: All assets matching this RegExp are processed. Defaults to every asset.
 * `threshold`: Only assets bigger than this size are processed. In bytes. Defaults to `0`.
 * `minRatio`: Only assets that compress better that this ratio are processed. Defaults to `0.8`.
 
+Option Arguments for Zopfli (see [node-zopfli](https://github.com/pierreinglebert/node-zopfli#options) doc for details):
+* verbose: Default: false,
+* verbose_more: Default: false,
+* numiterations: Default: 15,
+* blocksplitting: Default: true,
+* blocksplittinglast: Default: false,
+* blocksplittingmax: Default: 15
+
 ## License
 
 MIT (http://www.opensource.org/licenses/mit-license.php)

index.js

@@ -20,12 +20,12 @@ function CompressionPlugin(options) {
 			}
 			this.algorithm = function (content, fn) {
 				zopfli.gzip(content, {
-					verbose: true,
-					verbose_more: false,
-					numiterations: 15,
-					blocksplitting: true,
-					blocksplittinglast: false,
-					blocksplittingmax: 15
+					verbose: options.verbose ? options.verbose : false,
+					verbose_more: options.verbose ? options.verbose : false,
+					numiterations: options.verbose ? options.verbose : 15,
+					blocksplitting: options.verbose ? options.verbose : true,
+					blocksplittinglast: options.verbose ? options.verbose : false,
+					blocksplittingmax: options.verbose ? options.verbose : 15
 				}, fn);
 			};
 		} else {