Unit test

.gitignore

@@ -2,3 +2,5 @@ test
 test-output
 npm-debug.log
 node_modules
+coverage
+.idea

package.json

@@ -10,17 +10,26 @@
 	"bin": {
 		"jeff": "./bin/jeff"
 	},
+	"scripts": {
+		"test": "NODE_ENV=test mocha './**/*.test.js'",
+		"istanbul": "istanbul cover _mocha $(find ./ -name \"*.test.js\" -not -path \"./node_modules/*\")"
+	},
 	"main": "./src/index.js",
 	"dependencies": {
-        "async": "0.2.10",
-        "buffer-crc32": "^0.2.5",
-        "canvas": "1.1.6",
-        "commander": "2.2.0",
-        "fs-extra": "0.8.1",
-        "glob": "4.3.1",
-        "image-optim": "0.3.0",
-        "js-beautify": "1.4.2",
-        "node-pngquant-native": "0.0.12"
+		"async": "0.2.10",
+		"buffer-crc32": "^0.2.5",
+		"canvas": "1.6.11",
+		"commander": "2.2.0",
+		"fs-extra": "0.8.1",
+		"glob": "4.3.1",
+		"image-optim": "0.3.0",
+		"js-beautify": "1.4.2",
+		"node-pngquant-native": "1.0.5"
+	},
+	"devDependencies" : {
+		"chai": "4.1.2",
+		"mocha": "5.2.0",
+		"istanbul": "0.4.5"
 	},
 	"repository": {
 		"type": "git",
@@ -32,4 +41,4 @@
 			"url": "https://github.com/Wizcorp/jeff/blob/master/LICENSE"
 		}
 	]
-}
+}

src/SwfObjectProcessor/createSymbols.js

@@ -4,7 +4,7 @@ var processShape = require('./processShape');
 
 function createSymbol(swfObject) {
 	var symbol = { id: swfObject.id, swfObject: swfObject, parents: {} };
-	
+
 	switch(swfObject.type) {
 
 	case 'main':
@@ -28,18 +28,16 @@ function createSymbol(swfObject) {
 
 	case 'shape':
 		var shapes = swfObject.edges;
+		var nbShapes = shapes.length;
 		var imagesArray  = [];
-		for (var s = 0; s < shapes.length; s += 1) {
+		for (var s = 0; s < nbShapes; s++) {
 			var shape = shapes[s];
 
-			var fill = shape.leftFill;
-			var containsImage = fill ? (fill.type ? (fill.type === 'pattern') : false) : false;
-			if (!containsImage) {
-				fill = shape.rightFill;
-				containsImage = fill ? (fill.type ? (fill.type === 'pattern') : false) : false;
-			}
+			var isLeftFill = shape && shape.leftFill && shape.leftFill.type === 'pattern';
+			var isRightFill = shape && shape.rightFill && shape.rightFill.type === 'pattern';
 
-			if (containsImage) {
+			if (isLeftFill || isRightFill) {
+                var fill = isLeftFill ? shape.leftFill : shape.rightFill;
 				var m = fill.matrix;
 
 				// In case of an image all the components of the matrix have to be divided by 20
@@ -115,7 +113,7 @@ function createSymbol(swfObject) {
 function createSymbols(swfObjects) {
 	var symbols = [];
 	var nbSymbols = swfObjects.length;
-	for (var s = 0; s < nbSymbols; s += 1) {
+	for (var s = 0; s < nbSymbols; s++) {
 		var swfObject = swfObjects[s];
 		symbols[swfObject.id] = createSymbol(swfObject);
 	}

src/SwfObjectProcessor/removeSymbols.js

@@ -1,30 +1,40 @@
 'use strict';
 
-function removeSymbols(symbols, classSymbols, removeList){
-	var nbClassSymbols = classSymbols.length;
-	for (var s = 0; s < nbClassSymbols; s += 1) {
-
-		var classSymbol = classSymbols[s];
-		if (!classSymbol || !classSymbol.children) {
-			continue;
-		}
-
-		var children = classSymbol.children;
-		for (var c = 0; c < children.length; c += 1) {
-
-			var child  = children[c];
-			var symbol = symbols[child.id];
-			if (!symbol.className){
-				continue;
-			}
-
-			var idx = removeList.indexOf(symbol.className);
-			if (idx !== -1) {
-				children.splice(c, 1);
-				c -= 1;
-			}
-		}
-	}
+function removeSymbols(symbols, classSymbols, removeList) {
+    var nbClassSymbols = classSymbols.length;
+
+    for (var s = 0; s < nbClassSymbols; s++) {
+        var classSymbol = classSymbols[s];
+
+        if (!classSymbol || !classSymbol.children) {
+            continue;
+        }
+
+        var children = classSymbol.children;
+
+        for (var c = 0; c < children.length; c++) {
+            var child = children[c];
+
+            if (!child || typeof child.id === "undefined") {
+                continue;
+            }
+
+            var symbol = symbols[child.id];
+
+            if (!symbol || !symbol.className) {
+                continue;
+            }
+
+            if (removeList && removeList.length > 0) {
+                var idx = removeList.indexOf(symbol.className);
+
+                if (idx !== -1) {
+                    children.splice(c, 1);
+                    c -= 1;
+                }
+            }
+        }
+    }
 }
 
 module.exports = removeSymbols;