fix(canvas): fix postmessage call

rishichawda · rishichawda · commit de77c974cacd · 2020-04-11T20:07:57.000+05:30
diff --git a/lib/Canvas.js b/lib/Canvas.js
@@ -23,8 +23,8 @@ function getRenderHTML(context, render, generator) {
 }
 
 function generateImage(context, canvas) {
-  if (window.postMessage.length !== 1) {
-    setTimeout(function() {
+  if (!window.ReactNativeWebView.postMessage) {
+    setTimeout(function () {
       generateImage.call(this, context, canvas);
     }, 100);
   } else {
@@ -35,7 +35,7 @@ function generateImage(context, canvas) {
     imageContext.fillStyle = context.bgColor;
     imageContext.fillRect(0, 0, context.size, context.size);
     imageContext.drawImage(canvas, 0, 0);
-    window.postMessage(image.toDataURL());
+    window.ReactNativeWebView.postMessage(image.toDataURL());
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -23,8 +23,8 @@ function getRenderHTML(context, render, generator) {`
`23`	`23`	`}`
`24`	`24`
`25`	`25`	`function generateImage(context, canvas) {`
`26`		`- if (window.postMessage.length !== 1) {`
`27`		`- setTimeout(function() {`
	`26`	`+ if (!window.ReactNativeWebView.postMessage) {`
	`27`	`+ setTimeout(function () {`
`28`	`28`	`generateImage.call(this, context, canvas);`
`29`	`29`	`}, 100);`
`30`	`30`	`} else {`
`@@ -35,7 +35,7 @@ function generateImage(context, canvas) {`
`35`	`35`	`imageContext.fillStyle = context.bgColor;`
`36`	`36`	`imageContext.fillRect(0, 0, context.size, context.size);`
`37`	`37`	`imageContext.drawImage(canvas, 0, 0);`
`38`		`- window.postMessage(image.toDataURL());`
	`38`	`+ window.ReactNativeWebView.postMessage(image.toDataURL());`
`39`	`39`	`}`
`40`	`40`	`}`
`41`	`41`