small refactoring

test/runner.js

@@ -89,7 +89,7 @@ function addStats() {
 
 function addStage(attrs) {
   var container = document.createElement('div');
-  const props = Object.assign(
+  const props = Konva.Util._assign(
     {
       container: container,
       width: 578,
@@ -292,16 +292,20 @@ Konva.Stage.prototype.simulateTouchStart = function(pos, changed) {
   var touches;
   var changedTouches;
   if (Array.isArray(pos)) {
-    touches = pos.map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
-    changedTouches = (changed || pos).map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
+    touches = pos.map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
+    changedTouches = (changed || pos).map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
   } else {
     changedTouches = touches = [
       {
@@ -325,16 +329,20 @@ Konva.Stage.prototype.simulateTouchMove = function(pos, changed) {
   var touches;
   var changedTouches;
   if (Array.isArray(pos)) {
-    touches = pos.map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
-    changedTouches = (changed || pos).map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
+    touches = pos.map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
+    changedTouches = (changed || pos).map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
   } else {
     changedTouches = touches = [
       {
@@ -359,16 +367,20 @@ Konva.Stage.prototype.simulateTouchEnd = function(pos, changed) {
   var touches;
   var changedTouches;
   if (Array.isArray(pos)) {
-    touches = pos.map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
-    changedTouches = (changed || pos).map(touch => ({
-      identifier: touch.id,
-      clientX: touch.x,
-      clientY: touch.y + top
-    }));
+    touches = pos.map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
+    changedTouches = (changed || pos).map(function(touch) {
+      return {
+        identifier: touch.id,
+        clientX: touch.x,
+        clientY: touch.y + top
+      }
+    });
   } else {
     changedTouches = touches = [
       {
@@ -429,3 +441,60 @@ Konva.Stage.prototype.simulatePointerUp = function(pos) {
 };
 
 init();
+
+
+// polyfills
+if (!Array.prototype.find) {
+  Object.defineProperty(Array.prototype, 'find', {
+    value: function(predicate) {
+      // 1. Let O be ? ToObject(this value).
+      if (this == null) {
+        throw TypeError('"this" is null or not defined');
+      }
+
+      var o = Object(this);
+
+      // 2. Let len be ? ToLength(? Get(O, "length")).
+      var len = o.length >>> 0;
+
+      // 3. If IsCallable(predicate) is false, throw a TypeError exception.
+      if (typeof predicate !== 'function') {
+        throw TypeError('predicate must be a function');
+      }
+
+      // 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+      var thisArg = arguments[1];
+
+      // 5. Let k be 0.
+      var k = 0;
+
+      // 6. Repeat, while k < len
+      while (k < len) {
+        // a. Let Pk be ! ToString(k).
+        // b. Let kValue be ? Get(O, Pk).
+        // c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+        // d. If testResult is true, return kValue.
+        var kValue = o[k];
+        if (predicate.call(thisArg, kValue, k, o)) {
+          return kValue;
+        }
+        // e. Increase k by 1.
+        k++;
+      }
+
+      // 7. Return undefined.
+      return undefined;
+    },
+    configurable: true,
+    writable: true
+  });
+}
+
+
+String.prototype.trimRight = String.prototype.trimRight || function polyfill() {
+  return this.replace(/[\s\xa0]+$/, '');
+}
+
+String.prototype.trimLeft = String.prototype.trimLeft || function polyfill() {
+  return this.replace(/^\s+/, '');
+}