Merge pull request #24 from gemini-testing/fix/stream.error

fix: do not use streams to avoid 'Stream not writable' error

.npmignore

@@ -1,6 +1,3 @@
-.gitignore
-.jshintignore
-.jshintrc
-.npmignore
+**/.*
 test/
 coverage/

lib/png.js

@@ -100,11 +100,11 @@ class PNGImage {
  * @param {function} callback function
  */
 exports.fromFile = (filePath, callback) => {
-    const png = new PNG();
-    fs.createReadStream(filePath)
-        .pipe(png)
-        .on('parsed', () => callback(null, new PNGImage(png)))
-        .on('error', callback);
+    fs.readFile(filePath, (error, data) => {
+        error
+            ? callback(error, null)
+            : exports.fromBuffer(data, callback)
+    });
 };
 
 /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "looks-same",
-  "version": "3.2.0",
+  "version": "3.2.1",
   "description": "Pure node.js library for comparing PNG-images, taking into account human color perception.",
   "main": "index.js",
   "directories": {
@@ -11,7 +11,7 @@
     "concat-stream": "^1.5.0",
     "lodash": "^4.17.3",
     "parse-color": "^1.0.0",
-    "pngjs": "^2.2.0"
+    "pngjs": "^3.0.1"
   },
   "devDependencies": {
     "chai": "^1.9.1",