overscroll/lib/utils/dom/domData.js

scroll

'use strict';

exports.__esModule = true;
exports.removeData = exports.hasData = exports.getData = exports.setData = undefined;

var _hyphenate = require('../hyphenate');

var _hyphenate2 = _interopRequireDefault(_hyphenate);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

function firstCharToLowerCase(str) {
  var firstChar = str.charAt(0);
  if (/^[A-Z]$/.test(str.charAt(0))) {
    return firstChar.toLowerCase() + str.slice(1);
  }
  return str;
}
// import camelCase from '../camelCase';
var setData = exports.setData = function setData(dom, name) {
  var value = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';

  if (dom.dataset) {
    dom.dataset[firstCharToLowerCase(name)] = value;
  } else {
    dom.setAttribute('data-' + (0, _hyphenate2['default'])(name), value);
  }
};

var getData = exports.getData = function getData(dom, name) {
  if (dom.dataset) {
    return dom.dataset[firstCharToLowerCase(name)];
  }
  return dom.getAttribute('data-' + (0, _hyphenate2['default'])(name));
};

var hasData = exports.hasData = function hasData(dom, name) {
  if (dom.dataset) {
    return Object.keys(dom.dataset).includes(firstCharToLowerCase(name));
  }
  return dom.hasAttribute('data-' + (0, _hyphenate2['default'])(name));
};

var removeData = exports.removeData = function removeData(dom, name) {
  if (dom.dataset) {
    delete dom.dataset[firstCharToLowerCase(name)];
  } else {
    dom.removeAttribute('data-' + (0, _hyphenate2['default'])(name));
  }
};

exports['default'] = { setData: setData, getData: getData, hasData: hasData, removeData: removeData };