images: ability to pass jpeg options for sharp engine

manGoweb · Oct 3, 2017 · 286ee75 · 286ee75
1 parent 0a96f8c
commit 286ee75
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/docs/config.md b/docs/config.md
@@ -82,6 +82,7 @@ All options can be overridden in `mango.local.yaml` (or `mango.local.json`) file
         * `src` - string (glob) source of images
         * `sizes` - array of widths (int)
         * `aspectRatio` - aspect ratio of image on output (float = width/height), if undefined or false aspect ratio of image is used
+        * `options` - [output options](http://sharp.dimens.io/en/stable/api-output/#jpeg) for [sharp](http://sharp.dimens.io/en/stable/) resizing engine
 
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diff --git a/lib/tasks/images.js b/lib/tasks/images.js
@@ -66,7 +66,8 @@ module.exports = function(gulp, config) {
 						fileClone.path = path.join(name.dir, name.name + '-' + size + name.ext)
 						fileClone.imageTransform = {
 							width: size,
-							height: file.imageData.aspectRatio ? Math.ceil(size/file.imageData.aspectRatio) : null
+							height: file.imageData.aspectRatio ? Math.ceil(size/file.imageData.aspectRatio) : null,
+							options: file.imageData.options || {},
 						}
 						this.push(fileClone)
 					}
@@ -84,7 +85,7 @@ module.exports = function(gulp, config) {
 			var transformStream = new stream.Transform({objectMode: true});
 			transformStream._transform = function (file, encoding, callback) {
 				if(file.imageTransform) {
-					sharp(file.contents).resize(file.imageTransform.width, file.imageTransform.height).withoutEnlargement().toBuffer(function (err, buffer, info) {
+					sharp(file.contents).resize(file.imageTransform.width, file.imageTransform.height).withoutEnlargement().jpeg(file.imageTransform.options).toBuffer(function (err, buffer, info) {
 						if(err) console.error(err)
 						file.contents = buffer
 						callback(null, file)