feat：移除了弹窗，服务器添加sls

packages/ui/src/components/base/dropdown-placement.test.ts

@@ -0,0 +1,76 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { dropdownPlacement, shouldRenderDropdownUp } from './dropdown-placement.ts'
+
+const baseGeometry = {
+	viewportHeight: 800,
+	controlTop: 400,
+	controlBottom: 440,
+	floatingActionBarClearance: 0,
+	safeGap: 8,
+	expectedMenuHeight: 300,
+}
+
+test('dropdown stays down when expected menu fits below', () => {
+	assert.equal(shouldRenderDropdownUp(baseGeometry), false)
+})
+
+test('floating action bar clearance moves a colliding dropdown upward', () => {
+	assert.equal(shouldRenderDropdownUp({ ...baseGeometry, floatingActionBarClearance: 180 }), true)
+})
+
+test('dropdown chooses side with more space when neither side fits', () => {
+	assert.equal(
+		shouldRenderDropdownUp({
+			...baseGeometry,
+			controlTop: 450,
+			controlBottom: 490,
+			expectedMenuHeight: 500,
+		}),
+		true,
+	)
+	assert.equal(
+		shouldRenderDropdownUp({
+			...baseGeometry,
+			controlTop: 250,
+			controlBottom: 290,
+			expectedMenuHeight: 600,
+		}),
+		false,
+	)
+})
+
+test('zero floating action bar clearance uses normal viewport space', () => {
+	assert.equal(
+		shouldRenderDropdownUp({
+			...baseGeometry,
+			controlTop: 300,
+			controlBottom: 340,
+			floatingActionBarClearance: 0,
+		}),
+		false,
+	)
+})
+
+test('placement caps menu height to selected side above the floating bar', () => {
+	assert.deepEqual(
+		dropdownPlacement({
+			...baseGeometry,
+			controlTop: 260,
+			controlBottom: 300,
+			floatingActionBarClearance: 180,
+		}),
+		{ renderUp: false, availableHeight: 312 },
+	)
+	assert.deepEqual(
+		dropdownPlacement({
+			...baseGeometry,
+			controlTop: 450,
+			controlBottom: 490,
+			floatingActionBarClearance: 80,
+			expectedMenuHeight: 500,
+		}),
+		{ renderUp: true, availableHeight: 442 },
+	)
+})