Use document when getRootNode is unsupported (#6641)

kurkle · etimberg · commit 3b790ef45d65 · 2019-10-29T17:22:46.000-04:00
diff --git a/src/platforms/platform.dom.js b/src/platforms/platform.dom.js
@@ -339,7 +339,7 @@ module.exports = {
 			// If the canvas is in a shadow DOM, then the styles must also be inserted
 			// into the same shadow DOM.
 			// https://github.com/chartjs/Chart.js/issues/5763
-			var root = canvas.getRootNode();
+			var root = canvas.getRootNode ? canvas.getRootNode() : document;
 			var targetNode = root.host ? root : document.head;
 			injectCSS(targetNode, stylesheet);
 		}

Original file line number	Diff line number	Diff line change
`@@ -339,7 +339,7 @@ module.exports = {`
`339`	`339`	`// If the canvas is in a shadow DOM, then the styles must also be inserted`
`340`	`340`	`// into the same shadow DOM.`
`341`	`341`	`// https://github.com/chartjs/Chart.js/issues/5763`
`342`		`- var root = canvas.getRootNode();`
	`342`	`+ var root = canvas.getRootNode ? canvas.getRootNode() : document;`
`343`	`343`	`var targetNode = root.host ? root : document.head;`
`344`	`344`	`injectCSS(targetNode, stylesheet);`
`345`	`345`	`}`