Function getCanvasContext

src/hooks/useMaskedThumbnail.ts:18–20

(canvas: ImageCacheCanvas)

type Canvas2DContext = CanvasRenderingContext2D | OffscreenCanvasRenderingContext2D;

function getCanvasContext(canvas: ImageCacheCanvas): Canvas2DContext | null {
  return isOffscreenCanvas(canvas) ? canvas.getContext('2d') : canvas.getContext('2d');
}

function getFileCacheKey(file: File): string {
  return `${file.name}:${file.size}:${file.lastModified}`;