refactor: extract isInteractiveDesktopDragTarget and add debug logging

2026-03-21 15:44:49 +07:00
parent d1314a4d5d
commit 1d42542514
6 changed files with 152 additions and 7 deletions
@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+
+import { isInteractiveDesktopDragTarget } from './desktop-window'
+
+function createTarget(input: { matchesSelector: (selector: string) => boolean }): EventTarget {
+  return {
+    closest: (selector: string) => (input.matchesSelector(selector) ? ({} as Element) : null),
+  } as unknown as EventTarget
+}
+
+describe('isInteractiveDesktopDragTarget', () => {
+  it('treats focusable pressables as interactive drag exemptions', () => {
+    const target = createTarget({
+      matchesSelector: (selector) => selector.includes('[tabindex]'),
+    })
+
+    expect(isInteractiveDesktopDragTarget(target)).toBe(true)
+  })
+
+  it('treats semantic button targets as interactive drag exemptions', () => {
+    const target = createTarget({
+      matchesSelector: (selector) => selector.includes("[role='button']"),
+    })
+
+    expect(isInteractiveDesktopDragTarget(target)).toBe(true)
+  })
+
+  it('returns false for non-interactive targets', () => {
+    const target = createTarget({
+      matchesSelector: () => false,
+    })
+
+    expect(isInteractiveDesktopDragTarget(target)).toBe(false)
+  })
+
+  it('returns false when the target does not support closest()', () => {
+    expect(isInteractiveDesktopDragTarget(null)).toBe(false)
+    expect(isInteractiveDesktopDragTarget({} as EventTarget)).toBe(false)
+  })
+})