tui-code-snippet/domUtil/removeClass.js

TOAST UI Utility: CodeSnippet

/**
 * @fileoverview Remove css class from element
 * @author NHN FE Development Lab <dl_javascript@nhn.com>
 */

'use strict';

var forEachArray = require('../collection/forEachArray');
var inArray = require('../array/inArray');
var getClass = require('./getClass');
var setClassName = require('./_setClassName');

/**
 * Remove css class from element
 * @param {(HTMLElement|SVGElement)} element - target element
 * @param {...string} cssClass - css classes to remove
 * @memberof module:domUtil
 */
function removeClass(element) {
  var cssClass = Array.prototype.slice.call(arguments, 1);
  var classList = element.classList;
  var origin, newClass;

  if (classList) {
    forEachArray(cssClass, function(name) {
      classList.remove(name);
    });

    return;
  }

  origin = getClass(element).split(/\s+/);
  newClass = [];
  forEachArray(origin, function(name) {
    if (inArray(name, cssClass) < 0) {
      newClass.push(name);
    }
  });

  setClassName(element, newClass);
}

module.exports = removeClass;