@aplus-frontend/antdv/lib/_util/getRequestAnimationFrame.js

Vue basic component library maintained based on ant-design-vue

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.cancelRequestAnimationFrame = cancelRequestAnimationFrame;
exports.default = getRequestAnimationFrame;
const availablePrefixs = ['moz', 'ms', 'webkit'];
function requestAnimationFramePolyfill() {
  let lastTime = 0;
  return function (callback) {
    const currTime = new Date().getTime();
    const timeToCall = Math.max(0, 16 - (currTime - lastTime));
    const id = window.setTimeout(function () {
      callback(currTime + timeToCall);
    }, timeToCall);
    lastTime = currTime + timeToCall;
    return id;
  };
}
function getRequestAnimationFrame() {
  if (typeof window === 'undefined') {
    return () => {};
  }
  if (window.requestAnimationFrame) {
    // https://github.com/vuejs/vue/issues/4465
    return window.requestAnimationFrame.bind(window);
  }
  const prefix = availablePrefixs.filter(key => `${key}RequestAnimationFrame` in window)[0];
  return prefix ? window[`${prefix}RequestAnimationFrame`] : requestAnimationFramePolyfill();
}
function cancelRequestAnimationFrame(id) {
  if (typeof window === 'undefined') {
    return null;
  }
  if (window.cancelAnimationFrame) {
    return window.cancelAnimationFrame(id);
  }
  const prefix = availablePrefixs.filter(key => `${key}CancelAnimationFrame` in window || `${key}CancelRequestAnimationFrame` in window)[0];
  return prefix ? (window[`${prefix}CancelAnimationFrame`] || window[`${prefix}CancelRequestAnimationFrame`]).call(this, id) : clearTimeout(id);
}