basant307/AI_Governance_Project

1import window from '../window.mjs';2import debounce from 'lodash/debounce.js';3 4var performance = window ? window.performance : null;5 6var pnow = performance && performance.now ? () => performance.now() : () => Date.now();7 8var raf = (function(){9  if( window ) {10    if( window.requestAnimationFrame ){11      return function( fn ){ window.requestAnimationFrame( fn ); };12    } else if( window.mozRequestAnimationFrame ){13      return function( fn ){ window.mozRequestAnimationFrame( fn ); };14    } else if( window.webkitRequestAnimationFrame ){15      return function( fn ){ window.webkitRequestAnimationFrame( fn ); };16    } else if( window.msRequestAnimationFrame ){17      return function( fn ){ window.msRequestAnimationFrame( fn ); };18    }19  }20 21  return function( fn ){22    if( fn ){23      setTimeout( function(){24        fn( pnow() );25      }, 1000 / 60 );26    }27  };28})();29 30export const requestAnimationFrame = fn => raf( fn );31 32export const performanceNow = pnow;33 34export const now = () => Date.now();35 36export { debounce };37