rmc-list-view/lib/util.js

m-list-view ui component for react

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getOffsetTop = getOffsetTop;
exports._event = _event;
exports.throttle = throttle;
function getOffsetTop(elem) {
  var offsetTop = 0;
  do {
    if (!isNaN(elem.offsetTop)) {
      offsetTop += elem.offsetTop;
    }
  } while (elem = elem.offsetParent);
  return offsetTop;
}

function _event(e) {
  if (e.touches && e.touches.length) {
    return e.touches[0];
  }
  if (e.changedTouches && e.changedTouches.length) {
    return e.changedTouches[0];
  }
  return e;
}

function throttle(fn, delay) {
  var allowSample = true;
  return function (e) {
    if (allowSample) {
      allowSample = false;
      setTimeout(function () {
        allowSample = true;
      }, delay);
      fn(e);
    }
  };
}