rax-scrollview/es/throttle.js

ScrollView component for Rax.

export default function throttle(func, wait) {
  var ctx;
  var args;
  var rtn;
  var timeoutID;
  var last = 0;
  function call() {
    timeoutID = 0;
    last = +new Date();
    rtn = func.apply(ctx, args);
    ctx = null;
    args = null;
  }
  return function () {
    ctx = this;
    args = arguments;
    var delta = new Date().getTime() - last;
    if (!timeoutID) if (delta >= wait) call();else timeoutID = setTimeout(call, wait - delta);
    return rtn;
  };
}