fix: remove sharpening for png format

Author: jimlambie

README.md

@@ -1,7 +1,7 @@
 <img src="http://52.209.207.148/assets/products/dadi-cdn-full.png" alt="DADI CDN" height="65"/>
 
 [![npm (scoped)](https://img.shields.io/npm/v/@dadi/cdn.svg?maxAge=10800&style=flat-square)](https://www.npmjs.com/package/@dadi/cdn)
-[![coverage](https://img.shields.io/badge/coverage-69%25-yellow.svg?style=flat-square)](https://github.com/dadi/cdn)
+[![coverage](https://img.shields.io/badge/coverage-68%25-yellow.svg?style=flat-square)](https://github.com/dadi/cdn)
 [![Build Status](https://travis-ci.org/dadi/cdn.svg?branch=master)](https://travis-ci.org/dadi/cdn)
 [![JavaScript Style Guide](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](http://standardjs.com/)
 

dadi/lib/handlers/image.js

@@ -417,6 +417,8 @@ ImageHandler.prototype.convert = function (stream, imageInfo) {
             if (quality > 70) params.compression = 'none'
             else if (quality > 50) params.compression = 'fast'
             else params.compression = 'high'
+
+            params.transparency = 'auto'
           }
 
           // sharpening
@@ -425,8 +427,8 @@ ImageHandler.prototype.convert = function (stream, imageInfo) {
           } else if (quality >= 70) {
             if (/jpe?g/.exec(imageInfo.format) || /jpe?g/.exec(options.format)) {
               batch.sharpen(5)
-            } else if (/png/.exec(imageInfo.format) || /png/.exec(options.format)) {
-              batch.sharpen(5)
+            // } else if (/png/.exec(imageInfo.format) || /png/.exec(options.format)) {
+            //   batch.sharpen(5)
             } else if (options.cropX && options.cropY) {
               batch.sharpen(5)
             }

package.json

@@ -11,7 +11,7 @@
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
   },
   "dependencies": {
-    "@dadi/cache": "git+https://github.com/dadi/cache.git#33ebd693ce35e122a87202fffbd3767cd2a6aa8a",
+    "@dadi/cache": "1.5.x",
     "@dadi/logger": "latest",
     "@dadi/status": "latest",
     "accept-language-parser": "^1.2.0",
@@ -75,7 +75,7 @@
     "redis": "^2.6.3",
     "should": "~11.1.0",
     "sinon": "~1.17.5",
-    "standard": "*",
+    "standard": "8.x.x",
     "supertest": "~2.0.0",
     "semantic-release": "^6.3.2"
   },