WebP bridge is working again

scripts/Utils.ts

@@ -11,5 +11,17 @@ export function delay<T>(millis: number, value?: T): Promise<T> {
 }
 
 export function plural(count: number, singular: string): string {
-	return (count === 1 || count === -1) ? (count + ' ' + singular) : (count + ' ' + singular + 's')
+	return (count === 1 || count === -1) ? (count + " " + singular) : (count + " " + singular + "s")
+}
+
+export function canUseWebP(): boolean {
+    let canvas = document.createElement("canvas")
+
+    if(!!(canvas.getContext && canvas.getContext("2d"))) {
+        // WebP representation possible
+        return canvas.toDataURL("image/webp").indexOf("data:image/webp") === 0
+    } else {
+        // In very old browsers (IE 8) canvas is not supported
+        return false
+    }
 }