folder names

5-browser-extension/solution/dist/background.js

@@ -0,0 +1,17 @@
+chrome.runtime.onMessage.addListener(function (msg, sender, sendResponse) {
+	if (msg.action === 'updateIcon') {
+		chrome.browserAction.setIcon({ imageData: drawIcon(msg.value) });
+	}
+});
+//borrowed from energy lollipop extension, nice feature!
+function drawIcon(value) {
+	let canvas = document.createElement('canvas');
+	let context = canvas.getContext('2d');
+
+	context.beginPath();
+	context.fillStyle = value.color;
+	context.arc(100, 100, 50, 0, 2 * Math.PI);
+	context.fill();
+
+	return context.getImageData(50, 50, 100, 100);
+}