WIP, avi not working on web

src/lib/canvas.ts

@@ -0,0 +1,15 @@
+export const getCanvas = (base64: string): Promise<HTMLCanvasElement> => {
+  return new Promise(resolve => {
+    const image = new Image()
+    image.onload = () => {
+      const canvas = document.createElement('canvas')
+      canvas.width = image.width
+      canvas.height = image.height
+
+      const ctx = canvas.getContext('2d')
+      ctx?.drawImage(image, 0, 0)
+      resolve(canvas)
+    }
+    image.src = base64
+  })
+}