change ES6 to ES5
diff --git a/player/js/worker_wrapper.js b/player/js/worker_wrapper.js
index b6a628c..e46ce92 100644
--- a/player/js/worker_wrapper.js
+++ b/player/js/worker_wrapper.js
@@ -1,32 +1,41 @@
-/* eslint-disable max-classes-per-file */
function workerContent() {
- class ProxyElement {
- constructor(type, namespace) {
- this._state = 'init';
- this._isDirty = false;
- this._isProxy = true;
- this._changedStyles = [];
- this._changedAttributes = [];
- this._changedElements = [];
- this._textContent = null;
- this.type = type;
- this.namespace = namespace;
- this.children = [];
- localIdCounter += 1;
- this.attributes = {
- id: 'l_d_' + localIdCounter,
- };
- this.style = new Style(this);
+ function extendPrototype(sources, destination) {
+ var i;
+ var len = sources.length;
+ var sourcePrototype;
+ for (i = 0; i < len; i += 1) {
+ sourcePrototype = sources[i].prototype;
+ for (var attr in sourcePrototype) {
+ if (Object.prototype.hasOwnProperty.call(sourcePrototype, attr)) destination.prototype[attr] = sourcePrototype[attr];
+ }
}
-
- appendChild(_child) {
+ }
+ function ProxyElement(type, namespace) {
+ this._state = 'init';
+ this._isDirty = false;
+ this._isProxy = true;
+ this._changedStyles = [];
+ this._changedAttributes = [];
+ this._changedElements = [];
+ this._textContent = null;
+ this.type = type;
+ this.namespace = namespace;
+ this.children = [];
+ localIdCounter += 1;
+ this.attributes = {
+ id: 'l_d_' + localIdCounter,
+ };
+ this.style = new Style(this);
+ }
+ ProxyElement.prototype = {
+ appendChild: function (_child) {
_child.parentNode = this;
this.children.push(_child);
this._isDirty = true;
this._changedElements.push([_child, this.attributes.id]);
- }
+ },
- insertBefore(_newElement, _nextElement) {
+ insertBefore: function (_newElement, _nextElement) {
var children = this.children;
for (var i = 0; i < children.length; i += 1) {
if (children[i] === _nextElement) {
@@ -37,17 +46,17 @@
}
}
children.push(_nextElement);
- }
+ },
- setAttribute(_attribute, _value) {
+ setAttribute: function (_attribute, _value) {
this.attributes[_attribute] = _value;
if (!this._isDirty) {
this._isDirty = true;
}
this._changedAttributes.push(_attribute);
- }
+ },
- serialize() {
+ serialize: function () {
return {
type: this.type,
namespace: this.namespace,
@@ -56,26 +65,30 @@
children: this.children.map(function (child) { return child.serialize(); }),
textContent: this._textContent,
};
- }
+ },
// eslint-disable-next-line class-methods-use-this
- addEventListener(_, _callback) {
+ addEventListener: function (_, _callback) {
setTimeout(_callback, 1);
- }
+ },
- setAttributeNS(_, _attribute, _value) {
+ setAttributeNS: function (_, _attribute, _value) {
this.attributes[_attribute] = _value;
if (!this._isDirty) {
this._isDirty = true;
}
this._changedAttributes.push(_attribute);
- }
+ },
- set textContent(_value) {
+ };
+
+ Object.defineProperty(ProxyElement.prototype, 'textContent', {
+ set: function (_value) {
this._isDirty = true;
this._textContent = _value;
- }
- }
+ },
+ });
+
var localIdCounter = 0;
var animations = {};
@@ -94,16 +107,18 @@
function Style(element) {
this.element = element;
}
- Style.prototype.serialize = function () {
- var obj = {};
- for (var i = 0; i < styleProperties.length; i += 1) {
- var propertyKey = styleProperties[i];
- var keyName = '_' + propertyKey;
- if (keyName in this) {
- obj[propertyKey] = this[keyName];
+ Style.prototype = {
+ serialize: function () {
+ var obj = {};
+ for (var i = 0; i < styleProperties.length; i += 1) {
+ var propertyKey = styleProperties[i];
+ var keyName = '_' + propertyKey;
+ if (keyName in this) {
+ obj[propertyKey] = this[keyName];
+ }
}
- }
- return obj;
+ return obj;
+ },
};
styleProperties.forEach(function (propertyKey) {
Object.defineProperty(Style.prototype, propertyKey, {
@@ -122,12 +137,12 @@
});
});
- class CanvasContext {
- constructor(element) {
- this.element = element;
- }
+ function CanvasContext(element) {
+ this.element = element;
+ }
- createRadialGradient() {
+ CanvasContext.prototype = {
+ createRadialGradient: function () {
function addColorStop() {
instruction.stops.push(convertArguments(arguments));
}
@@ -140,9 +155,9 @@
return {
addColorStop: addColorStop,
};
- }
+ },
- createLinearGradient() {
+ createLinearGradient: function () {
function addColorStop() {
instruction.stops.push(convertArguments(arguments));
}
@@ -155,14 +170,20 @@
return {
addColorStop: addColorStop,
};
- }
+ },
- get canvas() {
- return this.element;
- }
- }
+ };
- const canvasContextMethods = [
+ Object.defineProperties(CanvasContext.prototype, {
+ canvas: {
+ enumerable: true,
+ get: function () {
+ return this.element;
+ },
+ },
+ });
+
+ var canvasContextMethods = [
'fillRect',
'setTransform',
'drawImage',
@@ -191,7 +212,7 @@
};
});
- const canvasContextProperties = [
+ var canvasContextProperties = [
'globalAlpha',
'strokeStyle',
'fillStyle',
@@ -215,40 +236,26 @@
});
});
- class CanvasElement extends ProxyElement {
- constructor(type, namespace) {
- super(type, namespace);
- this.instructions = [];
- this._width = 0;
- this._height = 0;
- this.context = new CanvasContext(this);
- }
-
- set width(_value) {
- this._width = _value;
- }
-
- set height(_value) {
- this._height = _value;
- }
-
- get width() {
- return this._width;
- }
-
- get height() {
- return this._height;
- }
-
- getContext() {
- return this.context;
- }
-
- resetInstructions() {
- this.instructions.length = 0;
- }
+ function CanvasElement(type, namespace) {
+ ProxyElement.call(this, type, namespace);
+ this.instructions = [];
+ this.width = 0;
+ this.height = 0;
+ this.context = new CanvasContext(this);
}
+ CanvasElement.prototype = {
+
+ getContext: function () {
+ return this.context;
+ },
+
+ resetInstructions: function () {
+ this.instructions.length = 0;
+ },
+ };
+ extendPrototype([ProxyElement], CanvasElement);
+
function createElement(namespace, type) {
if (type === 'canvas') {
return new CanvasElement(type, namespace);
@@ -529,7 +536,7 @@
return new Worker(url);
}
// eslint-disable-next-line no-unused-vars
-const lottie = (function () {
+var lottie = (function () {
'use strict';
var workerInstance = createWorker(workerContent);
@@ -676,7 +683,7 @@
restore: ctx.restore,
};
return function (instructions) {
- for (let i = 0; i < instructions.length; i += 1) {
+ for (var i = 0; i < instructions.length; i += 1) {
var instruction = instructions[i];
var fn = map[instruction.t];
if (fn) {
