Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit117abd7

Browse files
edit Note with useEffect hooks
1 parent21976ee commit117abd7

File tree

2 files changed

+49
-9
lines changed

2 files changed

+49
-9
lines changed

‎src/App.tsx‎

Lines changed: 18 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,12 +8,29 @@ import { NoteType } from './components/note/note-type';
88
functionApp(){
99

1010
const[notes,setNotes]=useState(Notes);
11+
const[editMode,setEditMode]=useState(false);
12+
const[noteToBeEditted,setNoteToBeEditted]=useState<NoteType|null>(null)
1113

1214
constaddNote=(note:NoteType)=>{
1315
setNotes([note,...notes])
1416
}
17+
18+
constupdateNote=(updatedNote:NoteType)=>{
19+
constindex=notes.findIndex(note=>note.id===updatedNote.id);
20+
leteditedNotes=[...notes]
21+
editedNotes.splice(index,1,updatedNote);
22+
setNotes(editedNotes);
23+
setEditMode(false);
24+
}
25+
26+
1527
consteditNote=(id:string)=>{
1628
console.log('edit',id);
29+
constnote=notes.find(note=>note.id===id);
30+
setEditMode(true);
31+
if(note){
32+
setNoteToBeEditted(note);
33+
}
1734
}
1835

1936
constdeleteNote=(id:string)=>{
@@ -25,7 +42,7 @@ function App() {
2542
return(
2643
<divclassName="App">
2744
<h2>Notes App</h2>
28-
<AddNoteaddNote={addNote}></AddNote>
45+
<AddNoteaddNote={addNote}editMode={editMode}noteToBeEditted={noteToBeEditted}updateNote={updateNote}></AddNote>
2946
<div>
3047
{
3148
notes.map(

‎src/components/add-note/add-note.tsx‎

Lines changed: 31 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,14 @@
1-
import{useState}from'react';
1+
import{useEffect,useState}from'react';
22
import{NoteType,Priority}from'../note/note-type';
33
import'./add-note.css';
44
import{v4asuuidv4}from'uuid';
55
importCardfrom'../card/card';
66

77
typeAddNoteProps={
8-
addNote :(note:NoteType)=>void
8+
addNote :(note:NoteType)=>void,
9+
editMode :boolean,
10+
noteToBeEditted :NoteType|null,
11+
updateNote :(updatedNote:NoteType)=>void
912
}
1013

1114
functionAddNote(props:AddNoteProps){
@@ -15,14 +18,34 @@ function AddNote(props: AddNoteProps){
1518
consthandleChange=(e:React.ChangeEvent<HTMLInputElement>)=>{
1619
setText(e.target.value);
1720
}
21+
22+
constsetNoteContent=(note:NoteType)=>{
23+
setText(note.text);
24+
setPriority(note.priority);
25+
}
26+
27+
useEffect(()=>{
28+
if(props.noteToBeEditted&&props.editMode){
29+
setNoteContent(props.noteToBeEditted);
30+
}
31+
},[props.noteToBeEditted,props.editMode])
1832

1933
consthandleClick=(e:React.MouseEvent<HTMLButtonElement,MouseEvent>)=>{
2034
e.preventDefault();
21-
props.addNote({
22-
text,
23-
priority,
24-
id:uuidv4()
25-
})
35+
if(props.editMode){
36+
props.noteToBeEditted&&props.updateNote({
37+
text,
38+
priority,
39+
id:props.noteToBeEditted.id
40+
})
41+
}else{
42+
props.addNote({
43+
text,
44+
priority,
45+
id:uuidv4()
46+
})
47+
}
48+
2649
setText('')
2750
setPriority('low')
2851
}
@@ -42,7 +65,7 @@ function AddNote(props: AddNoteProps){
4265
<optionvalue="medium">Medium</option>
4366
<optionvalue="low">Low</option>
4467
</select>
45-
<buttononClick={handleClick}>Add</button>
68+
<buttononClick={handleClick}>{props.editMode ?'Edit':'Add'}</button>
4669
</form>
4770
</Card>
4871
)

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp