refactor(notes): split NoteEditor into NoteForm and NoteReadView

src/components/NoteEditor.tsx

@@ -1,82 +1,14 @@
 import { useState } from 'react'
-import type { NoteEditorProps, NoteFormProps } from '../interfaces/note-editor'
+import type { NoteEditorProps } from '../interfaces/note-editor'
 import { isTitleValid, normalizeTitle } from '../lib/noteValidation'
-import DeleteModal from './DeleteModal'
+import NoteForm from './NoteForm'
-
+import NoteReadView from './NoteReadView'
-const TITLE_REQUIRED_MESSAGE = 'Le titre est obligatoire.'
-
-function NoteForm({
-  title,
-  content,
-  titleMissing,
-  cancelLabel,
-  onTitleChange,
-  onContentChange,
-  onCancel,
-  onSubmit,
-}: NoteFormProps) {
-  return (
-    <form
-      className="flex flex-col gap-4 rounded-2xl border border-gray-200 bg-white p-4 shadow-sm"
-      onSubmit={(event) => {
-        event.preventDefault()
-        onSubmit()
-      }}
-    >
-      <label className="flex flex-col gap-1">
-        <span className="text-sm font-medium text-gray-500">Titre</span>
-        <input
-          value={title}
-          onChange={(event) => onTitleChange(event.target.value)}
-          autoFocus
-          aria-invalid={titleMissing}
-          className={`w-full rounded-lg border px-3 py-3 text-base focus:outline-none focus:ring-2 ${
-            titleMissing
-              ? 'border-red-500 focus:ring-red-500/30'
-              : 'border-gray-300 focus:border-blue-500 focus:ring-blue-500/30'
-          }`}
-          placeholder="Sans titre"
-        />
-      </label>
-      {titleMissing && (
-        <span role="alert" className="text-sm text-red-600">
-          {TITLE_REQUIRED_MESSAGE}
-        </span>
-      )}
-      <label className="flex flex-col gap-1">
-        <span className="text-sm font-medium text-gray-500">Contenu</span>
-        <textarea
-          value={content}
-          onChange={(event) => onContentChange(event.target.value)}
-          className="w-full min-h-48 rounded-lg border border-gray-300 px-3 py-3 text-base focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/30"
-          placeholder="Écrire ici…"
-        />
-      </label>
-      <div className="flex justify-end gap-3">
-        <button
-          type="button"
-          onClick={onCancel}
-          className="rounded-lg border border-gray-300 px-5 py-3 text-gray-600 hover:bg-gray-50 active:bg-gray-100"
-        >
-          {cancelLabel}
-        </button>
-        <button
-          type="submit"
-          className="rounded-lg bg-blue-600 px-5 py-3 text-white hover:bg-blue-700 active:bg-blue-800"
-        >
-          Enregistrer
-        </button>
-      </div>
-    </form>
-  )
-}
 
 function NoteEditor(props: NoteEditorProps) {
   const [editing, setEditing] = useState(props.mode === 'create')
   const [title, setTitle] = useState(props.mode === 'edit' ? props.note.title : '')
   const [content, setContent] = useState(props.mode === 'edit' ? props.note.content : '')
   const [titleMissing, setTitleMissing] = useState(false)
-  const [confirmDelete, setConfirmDelete] = useState(false)
 
   const handleTitleChange = (value: string) => {
     setTitle(value)
@@ -114,45 +46,16 @@ function NoteEditor(props: NoteEditorProps) {
 
   const { note } = props
   return (
-    <article className="flex flex-col gap-5 rounded-2xl border border-gray-200 bg-white p-4 shadow-sm">
+    <NoteReadView
-      <div className="flex items-start justify-between gap-4">
+      note={note}
-        <h2 className="text-xl font-semibold leading-snug">{note.title || 'Sans titre'}</h2>
+      onEdit={() => {
-        <button
+        setTitle(note.title)
-          type="button"
+        setContent(note.content)
-          onClick={() => setConfirmDelete(true)}
+        setEditing(true)
-          aria-label="Supprimer la note"
+      }}
-          className="flex h-11 w-11 shrink-0 items-center justify-center rounded-full text-2xl leading-none text-red-600 hover:bg-red-50 hover:text-red-700 active:bg-red-100"
+      onDelete={props.onDelete}
-        >
+    />
-          ×
-        </button>
-      </div>
-      <p className="whitespace-pre-wrap text-base leading-relaxed">
-        {note.content || <span className="text-gray-400 italic">Note vide</span>}
-      </p>
-      <div className="flex justify-end">
-        <button
-          type="button"
-          onClick={() => {
-            setTitle(props.note.title)
-            setContent(props.note.content)
-            setEditing(true)
-          }}
-          className="rounded-lg bg-blue-600 px-5 py-3 text-white hover:bg-blue-700 active:bg-blue-800"
-        >
-          Éditer
-        </button>
-      </div>
-      <DeleteModal
-        open={confirmDelete}
-        title={note.title}
-        onConfirm={() => {
-          setConfirmDelete(false)
-          props.onDelete(note.id)
-        }}
-        onCancel={() => setConfirmDelete(false)}
-      />
-    </article>
   )
 }
 
-export default NoteEditor
+export default NoteEditor

src/components/NoteForm.tsx

@@ -0,0 +1,71 @@
+import type { NoteFormProps } from '../interfaces/note-editor'
+
+const TITLE_REQUIRED_MESSAGE = 'Le titre est obligatoire.'
+
+function NoteForm({
+  title,
+  content,
+  titleMissing,
+  cancelLabel,
+  onTitleChange,
+  onContentChange,
+  onCancel,
+  onSubmit,
+}: NoteFormProps) {
+  return (
+    <form
+      className="flex flex-col gap-4 rounded-2xl border border-gray-200 bg-white p-4 shadow-sm"
+      onSubmit={(event) => {
+        event.preventDefault()
+        onSubmit()
+      }}
+    >
+      <label className="flex flex-col gap-1">
+        <span className="text-sm font-medium text-gray-500">Titre</span>
+        <input
+          value={title}
+          onChange={(event) => onTitleChange(event.target.value)}
+          autoFocus
+          aria-invalid={titleMissing}
+          className={`w-full rounded-lg border px-3 py-3 text-base focus:outline-none focus:ring-2 ${
+            titleMissing
+              ? 'border-red-500 focus:ring-red-500/30'
+              : 'border-gray-300 focus:border-blue-500 focus:ring-blue-500/30'
+          }`}
+          placeholder="Sans titre"
+        />
+      </label>
+      {titleMissing && (
+        <span role="alert" className="text-sm text-red-600">
+          {TITLE_REQUIRED_MESSAGE}
+        </span>
+      )}
+      <label className="flex flex-col gap-1">
+        <span className="text-sm font-medium text-gray-500">Contenu</span>
+        <textarea
+          value={content}
+          onChange={(event) => onContentChange(event.target.value)}
+          className="w-full min-h-48 rounded-lg border border-gray-300 px-3 py-3 text-base focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/30"
+          placeholder="Écrire ici…"
+        />
+      </label>
+      <div className="flex justify-end gap-3">
+        <button
+          type="button"
+          onClick={onCancel}
+          className="rounded-lg border border-gray-300 px-5 py-3 text-gray-600 hover:bg-gray-50 active:bg-gray-100"
+        >
+          {cancelLabel}
+        </button>
+        <button
+          type="submit"
+          className="rounded-lg bg-blue-600 px-5 py-3 text-white hover:bg-blue-700 active:bg-blue-800"
+        >
+          Enregistrer
+        </button>
+      </div>
+    </form>
+  )
+}
+
+export default NoteForm

src/components/NoteReadView.test.tsx

@@ -0,0 +1,59 @@
+import { fireEvent, render, screen } from '@testing-library/react'
+import { describe, expect, it, vi } from 'vitest'
+import NoteReadView from './NoteReadView'
+import type { Note } from '../types/note'
+
+const note: Note = { id: 42, title: 'Courses', content: 'Lait\nOeufs' }
+
+const renderView = (overrides: Partial<Note> = {}) => {
+  const onEdit = vi.fn()
+  const onDelete = vi.fn()
+  render(
+    <NoteReadView note={{ ...note, ...overrides }} onEdit={onEdit} onDelete={onDelete} />,
+  )
+  return { onEdit, onDelete }
+}
+
+describe('NoteReadView', () => {
+  it('displays the note title and content', () => {
+    renderView()
+
+    expect(screen.getByText('Courses')).toBeInTheDocument()
+    expect(screen.getByText('Lait Oeufs')).toBeInTheDocument()
+    expect(screen.getByRole('button', { name: 'Éditer' })).toBeInTheDocument()
+  })
+
+  it('shows placeholders for a note without title or content', () => {
+    renderView({ title: '', content: '' })
+
+    expect(screen.getByText('Sans titre')).toBeInTheDocument()
+    expect(screen.getByText('Note vide')).toBeInTheDocument()
+  })
+
+  it('calls onEdit when Éditer is clicked', () => {
+    const { onEdit } = renderView()
+
+    fireEvent.click(screen.getByRole('button', { name: 'Éditer' }))
+
+    expect(onEdit).toHaveBeenCalled()
+  })
+
+  it('deletes the note after confirmation', () => {
+    const { onDelete } = renderView()
+
+    fireEvent.click(screen.getByRole('button', { name: 'Supprimer la note' }))
+    fireEvent.click(screen.getByRole('button', { name: 'Supprimer' }))
+
+    expect(onDelete).toHaveBeenCalledWith(42)
+    expect(screen.queryByRole('dialog')).not.toBeInTheDocument()
+  })
+
+  it('does not delete when the confirmation is cancelled', () => {
+    const { onDelete } = renderView()
+
+    fireEvent.click(screen.getByRole('button', { name: 'Supprimer la note' }))
+    fireEvent.click(screen.getByRole('button', { name: 'Annuler' }))
+
+    expect(onDelete).not.toHaveBeenCalled()
+  })
+})

src/components/NoteReadView.tsx

@@ -0,0 +1,46 @@
+import { useState } from 'react'
+import type { NoteReadViewProps } from '../interfaces/note-editor'
+import DeleteModal from './DeleteModal'
+
+function NoteReadView({ note, onEdit, onDelete }: NoteReadViewProps) {
+  const [confirmDelete, setConfirmDelete] = useState(false)
+
+  return (
+    <article className="flex flex-col gap-5 rounded-2xl border border-gray-200 bg-white p-4 shadow-sm">
+      <div className="flex items-start justify-between gap-4">
+        <h2 className="text-xl font-semibold leading-snug">{note.title || 'Sans titre'}</h2>
+        <button
+          type="button"
+          onClick={() => setConfirmDelete(true)}
+          aria-label="Supprimer la note"
+          className="flex h-11 w-11 shrink-0 items-center justify-center rounded-full text-2xl leading-none text-red-600 hover:bg-red-50 hover:text-red-700 active:bg-red-100"
+        >
+          ×
+        </button>
+      </div>
+      <p className="whitespace-pre-wrap text-base leading-relaxed">
+        {note.content || <span className="text-gray-400 italic">Note vide</span>}
+      </p>
+      <div className="flex justify-end">
+        <button
+          type="button"
+          onClick={onEdit}
+          className="rounded-lg bg-blue-600 px-5 py-3 text-white hover:bg-blue-700 active:bg-blue-800"
+        >
+          Éditer
+        </button>
+      </div>
+      <DeleteModal
+        open={confirmDelete}
+        title={note.title}
+        onConfirm={() => {
+          setConfirmDelete(false)
+          onDelete(note.id)
+        }}
+        onCancel={() => setConfirmDelete(false)}
+      />
+    </article>
+  )
+}
+
+export default NoteReadView

src/interfaces/note-editor.ts

@@ -17,6 +17,12 @@ export interface CreateNoteEditorProps {
 
 export type NoteEditorProps = EditNoteEditorProps | CreateNoteEditorProps
 
+export interface NoteReadViewProps {
+  note: Note
+  onEdit: () => void
+  onDelete: (id: number) => void
+}
+
 export interface NoteFormProps {
   title: string
   content: string