todo-list-javascript/script.js at main · astrocoding/todo-list-javascript · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
// Selectors

consttodoInput=document.querySelector(".todo-input");
consttodoButton=document.querySelector(".todo-button");
consttodoList=document.querySelector(".todo-list");
constfilter=document.querySelector(".filter-todo");

// Event Listeners

document.addEventListener("DOMContentLoaded",getTodos);
todoButton.addEventListener("click",addTodo);
todoList.addEventListener("click",deleteCheck);
filter.addEventListener("change",filterTodo);

// Functions

functioncreateComponents(value){
// Create div
consttodoDiv=document.createElement("div");
todoDiv.classList.add("todo");

// Create li
constnewTodo=document.createElement("li");
newTodo.innerText=value;
newTodo.classList.add("todo-item");
todoDiv.appendChild(newTodo);

// Create Completed button
constcompletedButton=document.createElement("button");
completedButton.innerHTML="<i class='fas fa-check'></i>";
completedButton.classList.add("check-btn");
todoDiv.appendChild(completedButton);

// Create Trash button
consttrashButton=document.createElement("button");
trashButton.innerHTML="<i class='fas fa-trash'></i>";
trashButton.classList.add("trash-btn");
todoDiv.appendChild(trashButton);

// Append all
todoList.appendChild(todoDiv);
}

functionaddTodo(e){
// Validate and prevent refresh
e.preventDefault();
if(!todoInput.value)return;

// Creating all components
createComponents(todoInput.value);

// Add todo to local storage
saveLocalTodos(todoInput.value);

// Clear and focus Input
todoInput.value="";
}

functiondeleteCheck(e){
constitem=e.target;
consttodo=item.parentElement;

// delete todo
if(item.classList[0]==="trash-btn"){
todo.classList.add("fadeOutLeftBig");
todo.addEventListener("animationend",function(){
removeLocalTodos(todo);
todo.remove();
});
}

// completed todo
if(item.classList[0]==="check-btn")todo.classList.toggle("completed");
}

functionfilterTodo(e){
constvalue=e.target.value;
consttodos=todoList.childNodes;
console.log(value);
todos.forEach(function(todo){
switch(value){
case"all":
todo.style.display="flex";
break;
case"completed":
if(todo.classList.contains("completed")){
todo.style.display="flex";
}else{
todo.style.display="none";
}

break;
case"uncompleted":
if(!todo.classList.contains("completed")){
todo.style.display="flex";
}else{
todo.style.display="none";
}
break;
default:
return;
}
});
}

functionsaveLocalTodos(todo){
// Check
lettodos;

// if it HAS already an item, get it
if(localStorage.getItem("todos")!==null){
todos=JSON.parse(localStorage.getItem("todos"));
}else{
todos=[];
}

todos.push(todo);
localStorage.setItem("todos",JSON.stringify(todos));
}

functiongetTodos(){
lettodos;

// if it HAS already an item, get it
if(localStorage.getItem("todos")!==null){
todos=JSON.parse(localStorage.getItem("todos"));
}else{
todos=[];
}

todos.forEach(function(todo){
createComponents(todo);
});
}

functionremoveLocalTodos(todo){
lettodos;

if(localStorage.getItem("todos")!==null){
todos=JSON.parse(localStorage.getItem("todos"));
}else{
todos=[];
}

consttodoIndex=todo.children[0].innerText;
todos.splice(todos.indexOf(todoIndex),1);
localStorage.setItem("todos",JSON.stringify(todos));
}