fix : scroll-lock empilable, contenteditable focusable et tests focus-trap du MalioDrawer

app/components/malio/drawer/Drawer.test.ts

@@ -263,4 +263,48 @@ describe('MalioDrawer', () => {
     wrapper.unmount()
     trigger.remove()
   })
+
+  it('moves focus to the close button on open (default showClose)', async () => {
+    const wrapper = mount(DrawerForTest, {
+      props: { modelValue: false, showClose: true },
+      attachTo: document.body,
+      global: { stubs: { Teleport: true } },
+    })
+    await wrapper.setProps({ modelValue: true })
+    await wrapper.vm.$nextTick()
+    expect(document.activeElement).toBe(wrapper.find('[data-test="close-button"]').element)
+    wrapper.unmount()
+  })
+
+  it('wraps focus to the first element when Tab is pressed on the last element', async () => {
+    const wrapper = mount(DrawerForTest, {
+      props: { modelValue: true, showClose: false },
+      slots: { default: '<button data-test="btn1">First</button><button data-test="btn2">Last</button>' },
+      attachTo: document.body,
+      global: { stubs: { Teleport: true } },
+    })
+    await wrapper.vm.$nextTick()
+    const last = wrapper.find('[data-test="btn2"]').element as HTMLElement
+    last.focus()
+    expect(document.activeElement).toBe(last)
+    await wrapper.find('[data-test="panel"]').trigger('keydown', { key: 'Tab' })
+    expect(document.activeElement).toBe(wrapper.find('[data-test="btn1"]').element)
+    wrapper.unmount()
+  })
+
+  it('wraps focus to the last element when Shift+Tab is pressed on the first element', async () => {
+    const wrapper = mount(DrawerForTest, {
+      props: { modelValue: true, showClose: false },
+      slots: { default: '<button data-test="btn1">First</button><button data-test="btn2">Last</button>' },
+      attachTo: document.body,
+      global: { stubs: { Teleport: true } },
+    })
+    await wrapper.vm.$nextTick()
+    const first = wrapper.find('[data-test="btn1"]').element as HTMLElement
+    first.focus()
+    expect(document.activeElement).toBe(first)
+    await wrapper.find('[data-test="panel"]').trigger('keydown', { key: 'Tab', shiftKey: true })
+    expect(document.activeElement).toBe(wrapper.find('[data-test="btn2"]').element)
+    wrapper.unmount()
+  })
 })

app/components/malio/drawer/Drawer.vue

@@ -95,6 +95,9 @@ import { twMerge } from 'tailwind-merge'
 
 defineOptions({ name: 'MalioDrawer', inheritAttrs: false })
 
+// Module-level counter shared across all drawer instances to support stacked drawers.
+let openDrawerCount = 0
+
 const props = withDefaults(
   defineProps<{
     id?: string
@@ -150,18 +153,26 @@ const isRendered = ref(isOpen.value)
 const panelRef = ref<HTMLElement | null>(null)
 
 let previouslyFocused: HTMLElement | null = null
+// Per-instance flag: true while this drawer holds a scroll-lock count slot.
+let lockedByThisInstance = false
 
 function getFocusable(container: HTMLElement): HTMLElement[] {
   return Array.from(
     container.querySelectorAll<HTMLElement>(
-      'a[href], button:not([disabled]), textarea:not([disabled]), input:not([disabled]), select:not([disabled]), [tabindex]:not([tabindex="-1"])',
+      'a[href], button:not([disabled]), textarea:not([disabled]), input:not([disabled]), select:not([disabled]), [tabindex]:not([tabindex="-1"]), [contenteditable]:not([contenteditable="false"])',
     ),
   ).filter((el) => el.tabIndex !== -1)
 }
 
 function onOpen() {
   previouslyFocused = (document.activeElement as HTMLElement | null) ?? null
-  document.body.style.overflow = 'hidden'
+  if (!lockedByThisInstance) {
+    lockedByThisInstance = true
+    openDrawerCount++
+    if (openDrawerCount === 1) {
+      document.body.style.overflow = 'hidden'
+    }
+  }
   nextTick(() => {
     const panel = panelRef.value
     if (!panel) return
@@ -171,7 +182,13 @@ function onOpen() {
 }
 
 function onClose() {
-  document.body.style.overflow = ''
+  if (lockedByThisInstance) {
+    lockedByThisInstance = false
+    openDrawerCount = Math.max(0, openDrawerCount - 1)
+    if (openDrawerCount === 0) {
+      document.body.style.overflow = ''
+    }
+  }
   previouslyFocused?.focus?.()
   previouslyFocused = null
 }
@@ -191,7 +208,14 @@ onMounted(() => {
 })
 
 onBeforeUnmount(() => {
-  document.body.style.overflow = ''
+  // If this instance is still holding a scroll-lock slot, release it.
+  if (lockedByThisInstance) {
+    lockedByThisInstance = false
+    openDrawerCount = Math.max(0, openDrawerCount - 1)
+    if (openDrawerCount === 0) {
+      document.body.style.overflow = ''
+    }
+  }
 })
 
 function onBackdropClick() {