acud/lib/watermark/useRafDebounce.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useRafDebounce;
var _react = _interopRequireDefault(require("react"));
var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
var _rcUtil = require("rc-util");
/* eslint-disable no-undef */

/**
 * Callback will only execute last one for each raf
 */
function useRafDebounce(callback) {
  var executeRef = _react["default"].useRef(false);
  var rafRef = _react["default"].useRef();
  var wrapperCallback = (0, _rcUtil.useEvent)(callback);
  return function () {
    if (executeRef.current) {
      return;
    }
    executeRef.current = true;
    wrapperCallback();
    rafRef.current = (0, _raf["default"])(function () {
      executeRef.current = false;
    });
  };
}