jayantbh

if (!window.OffscreenCanvas) {
  window.OffscreenCanvas = class OffscreenCanvas {
    constructor(width, height) {
      this.canvas = document.createElement('canvas');
      this.canvas.width = width;
      this.canvas.height = height;

      this.canvas.transferToImageBitmap = () => {
        const ctx = this.canvas.getContext('2d');
        if (!ctx) return;