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Filename : TodoList.js
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/**
 * --------------------------------------------
 * AdminLTE TodoList.js
 * License MIT
 * --------------------------------------------
 */

import $ from 'jquery'

/**
 * Constants
 * ====================================================
 */

const NAME = 'TodoList'
const DATA_KEY = 'lte.todolist'
const JQUERY_NO_CONFLICT = $.fn[NAME]

const SELECTOR_DATA_TOGGLE = '[data-widget="todo-list"]'
const CLASS_NAME_TODO_LIST_DONE = 'done'

const Default = {
  onCheck(item) {
    return item
  },
  onUnCheck(item) {
    return item
  }
}

/**
 * Class Definition
 * ====================================================
 */

class TodoList {
  constructor(element, config) {
    this._config = config
    this._element = element

    this._init()
  }

  // Public

  toggle(item) {
    item.parents('li').toggleClass(CLASS_NAME_TODO_LIST_DONE)
    if (!$(item).prop('checked')) {
      this.unCheck($(item))
      return
    }

    this.check(item)
  }

  check(item) {
    this._config.onCheck.call(item)
  }

  unCheck(item) {
    this._config.onUnCheck.call(item)
  }

  // Private

  _init() {
    const $toggleSelector = this._element

    $toggleSelector.find('input:checkbox:checked').parents('li').toggleClass(CLASS_NAME_TODO_LIST_DONE)
    $toggleSelector.on('change', 'input:checkbox', event => {
      this.toggle($(event.target))
    })
  }

  // Static

  static _jQueryInterface(config) {
    return this.each(function () {
      let data = $(this).data(DATA_KEY)

      if (!data) {
        data = $(this).data()
      }

      const _options = $.extend({}, Default, typeof config === 'object' ? config : data)
      const plugin = new TodoList($(this), _options)

      $(this).data(DATA_KEY, typeof config === 'object' ? config : data)

      if (config === 'init') {
        plugin[config]()
      }
    })
  }
}

/**
 * Data API
 * ====================================================
 */

$(window).on('load', () => {
  TodoList._jQueryInterface.call($(SELECTOR_DATA_TOGGLE))
})

/**
 * jQuery API
 * ====================================================
 */

$.fn[NAME] = TodoList._jQueryInterface
$.fn[NAME].Constructor = TodoList
$.fn[NAME].noConflict = function () {
  $.fn[NAME] = JQUERY_NO_CONFLICT
  return TodoList._jQueryInterface
}

export default TodoList