js todo oop

by Alejandro M

HTML

<div class="to-do"></div>

SCSS

*, :after, :before {
  box-sizing: border-box;
}

.to-do {
  padding: 3.25em 0 1em;
  max-width: 40em;
  width: 100%;
  margin: 1em auto;
  overflow: hidden;
  position: relative;
  border: 1px solid #e6e6e6;
}
.to-do > .to-do__flash {
  position: absolute;
  top: 0;
  left: 1em;
  right: 1em;
}

.to-do__list {
  padding: 0;
  list-style: none;
}

.to-do__item {
  border-top: 1px solid #e6e6e6;
  overflow: hidden;
  padding: 1em;
  opacity: 0;
  backface-visibility: hidden;
  animation: opa .5s forwards;
}
.to-do__item .to-do__flash {
  margin: 0;
}

@keyframes opa {
  to {
    opacity: 1;
  }
}
.to-do__remove-btn {
  float: right;
  background: rgba(255, 0, 0, 0.25);
  margin-left: .5em;
}

.to-do__edit-btn {
  float: right;
}

.to-do__controls {
  overflow: hidden;
  padding: 1em 1em 0 1em;
  border-top: 1px solid #e6e6e6;
}

.to-do__submit-btn {
  width: 15%;
  float: right;
  height: 2.75em;
  border-left: none;
  border-radius: 0 .25em .25em 0 !important;
}

.to-do__input {
  width: 85%;
  float: left;
  height: 2.85em;
  padding: .25em;
  border: 1px solid silver;
  border-right: none;
  border-radius:5px 0 0 5px;
}

.to-do__undo-btn {
  float: right;
  padding: .25em .5em !important;
  font-size: .7em !important;
}

.to-do__flash {
  overflow: hidden;
}

.alert, .to-do__flash {
  padding: .5em;
  margin-bottom: 1em;
  border: 1px solid transparent;
  border-radius: .25em;
}

.alert-success, .to-do__flash--success {
  color: #3c763d;
  background-color: #dff0d8;
  border-color: #d6e9c6;
}

.alert-info, .to-do__flash--info {
  color: #31708f;
  background-color: #d9edf7;
  border-color: #bce8f1;
}

.alert-warning, .to-do__flash--warning {
  color: #8a6d3b;
  background-color: #fcf8e3;
  border-color: #faebcc;
}

.alert-danger, .to-do__flash--danger {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
}

.btn, .to-do__remove-btn, .to-do__edit-btn, .to-do__submit-btn, .to-do__undo-btn {
  display: inline-block;
  padding: 6px 12px;
 ...

JavaScript

(function (global, $) {
  "use strict";

  var ToDoList, FlashBag, Database;

  // ToDoList constructor
  ToDoList = function (conf) {
    this.conf = $.extend({
      selector: '.to-do',
      baseClass: 'to-do',
      noDuplicates: true,
      displayFlashes: true,
      allowUndo: true,
      multipleFlashes: false
    }, conf || {});

    // Doing all the things!
    this.initialize();
  };

  // Initializing the instance
  ToDoList.prototype.initialize = function () {
    this.wrapper = $(this.conf.selector);
    this.classes = {
      list: this.conf.baseClass + '__list',
      form: this.conf.baseClass + '__controls',
      listItem: this.conf.baseClass + '__item',
      listItemContent: this.conf.baseClass + '__item-content',
      input: this.conf.baseClass + '__input',
      buttons: {
        remove: this.conf.baseClass + '__remove-btn',
        edit: this.conf.baseClass + '__edit-btn',
        undo: this.conf.baseClass + '__undo-btn',
        submit: this.conf.baseClass + '__submit-btn'
      }
    }
    this.listItemSelector = '.' + this.classes.listItem;
    this.editButtonSelector = '.' + this.classes.buttons.edit;
    this.isEdit = false;
    this.database = new Database({ name: this.conf.baseClass});
    this.flashbag = new FlashBag({
      baseClass: this.conf.baseClass,
      allowUndo: this.conf.allowUndo,
      multipleFlashes: this.conf.multipleFlashes,
      displayFlashes: this.conf.displayFlashes,
      wrapperElement: this.conf.flashWrapperElement,
      flashTypes: this.conf.flashTypes
    });
    this.flashes = {
      'entry.new' : {
        'type': 'success',
        'message': 'New entry added.',
        'undo': false
      },
      'entry.edit' : {
        'type': 'warning',
        'message': 'Entry edited.',
        'undo': true
      },
      'entry.remove' : {
        'type': 'danger',
        'message': 'Entry removed.',
        'undo': true
      },
      'entry.exists' : {
        'type': 'danger',
        'message': 'There...