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node_modules/zrender/src/animation/requestAnimationFrame.ts 729 Bytes
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  import env from '../core/env';
  
  type RequestAnimationFrameType = typeof window.requestAnimationFrame
  
  let requestAnimationFrame: RequestAnimationFrameType;
  
  requestAnimationFrame = (
  	env.hasGlobalWindow
  		&& (
  			(window.requestAnimationFrame && window.requestAnimationFrame.bind(window))
  			// https://github.com/ecomfe/zrender/issues/189#issuecomment-224919809
  			|| ((window as any).msRequestAnimationFrame && (window as any).msRequestAnimationFrame.bind(window))
  			|| (window as any).mozRequestAnimationFrame
  			// @ts-ignore
  			|| window.webkitRequestAnimationFrame
  		)
  ) || function (func: Parameters<RequestAnimationFrameType>[0]): number {
  	return setTimeout(func, 16) as any;
  };
  
  export default requestAnimationFrame;