react-infinite-table/dist/commonjs/lib/utils/domUtils.js

React table with infinite rows and much more!

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.offsetXYFromParent = offsetXYFromParent;
exports.addEvent = addEvent;
exports.removeEvent = removeEvent;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

// from https://github.com/STRML/react-draggable/blob/f1012831898bdcacbf3494b1e98bf0eea97c7dbc/lib/utils/domFns.js
function offsetXYFromParent(event, offsetParent) {
  var scale = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
  var isBody = offsetParent === offsetParent.ownerDocument.body;
  var offsetParentRect = isBody ? {
    left: 0,
    top: 0
  } : offsetParent.getBoundingClientRect();
  var x = (event.clientX + offsetParent.scrollLeft - offsetParentRect.left) / scale;
  var y = (event.clientY + offsetParent.scrollTop - offsetParentRect.top) / scale;
  return {
    x: x,
    y: y
  };
}

function addEvent(el, event, handler, inputOptions) {
  if (!el) return;

  var options = _objectSpread({
    capture: true
  }, inputOptions);

  if (el.addEventListener) {
    el.addEventListener(event, handler, options);
  } else if (el.attachEvent) {
    el.attachEvent('on' + event, handler);
  } else {
    // $FlowIgnore: Doesn't think elements are indexable
    el['on' + event] = handler;
  }
}

function removeEvent(el, event, handler, inputOptions) {
  if (!el) return;

  var options = _objectSpread({
    capture: true
  }, inputOptions);

  if (el.removeEventListener) {
    el.removeEventListener(event, handler, options);
  } else if (el.detachEvent) {
    el.detachEvent('on' + event, handler);
  } else {
    // $FlowIgnore: Doesn't think elements are indexable
    el['on' + event] = null;
  }
}