react-cqtoolbox/lib/utils/throttle.js

[![Travis][build-badge]][build] [![npm package][npm-badge]][npm] [![Coveralls][coveralls-badge]][coveralls]

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = throttle;
function throttle(fn, threshhold, scope) {
  threshhold || (threshhold = 250);
  var last = void 0,
      deferTimer = void 0;
  return function () {
    var context = scope || this;

    var now = Date.now(),
        args = arguments;
    if (last && now < last + threshhold) {
      // hold on to it
      clearTimeout(deferTimer);
      deferTimer = setTimeout(function () {
        last = now;
        fn.apply(context, args);
      }, threshhold);
    } else {
      last = now;
      fn.apply(context, args);
    }
  };
}