zmp-ui/cjs/utils/raf.js

Zalo Mini App framework

"use strict";

exports.__esModule = true;
exports["default"] = wrapperRaf;
var raf = function raf(callback) {
  return +setTimeout(callback, 16);
};
var caf = function caf(num) {
  return clearTimeout(num);
};
if (typeof window !== "undefined" && "requestAnimationFrame" in window) {
  raf = function raf(callback) {
    return window.requestAnimationFrame(callback);
  };
  caf = function caf(handle) {
    return window.cancelAnimationFrame(handle);
  };
}
var rafUUID = 0;
var rafIds = new Map();
function cleanup(id) {
  rafIds["delete"](id);
}
function wrapperRaf(callback, times) {
  if (times === void 0) {
    times = 1;
  }
  rafUUID += 1;
  var id = rafUUID;
  function callRef(leftTimes) {
    if (leftTimes === 0) {
      // Clean up
      cleanup(id);

      // Trigger
      callback();
    } else {
      // Next raf
      var realId = raf(function () {
        callRef(leftTimes - 1);
      });

      // Bind real raf id
      rafIds.set(id, realId);
    }
  }
  callRef(times);
  return id;
}
wrapperRaf.cancel = function (id) {
  var realId = rafIds.get(id);
  cleanup(realId);
  return caf(realId);
};