feat：移除了弹窗，服务器添加sls

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

@@ -0,0 +1,37 @@
+export interface DropdownPlacementGeometry {
+	viewportHeight: number
+	controlTop: number
+	controlBottom: number
+	floatingActionBarClearance: number
+	safeGap: number
+	expectedMenuHeight: number
+}
+
+export interface DropdownPlacement {
+	renderUp: boolean
+	availableHeight: number
+}
+
+export function dropdownPlacement({
+	viewportHeight,
+	controlTop,
+	controlBottom,
+	floatingActionBarClearance,
+	safeGap,
+	expectedMenuHeight,
+}: DropdownPlacementGeometry): DropdownPlacement {
+	const availableBelow = Math.max(
+		0,
+		viewportHeight - controlBottom - floatingActionBarClearance - safeGap,
+	)
+	const availableAbove = Math.max(0, controlTop - safeGap)
+	const renderUp = availableBelow < expectedMenuHeight && availableAbove > availableBelow
+	return {
+		renderUp,
+		availableHeight: renderUp ? availableAbove : availableBelow,
+	}
+}
+
+export function shouldRenderDropdownUp(geometry: DropdownPlacementGeometry): boolean {
+	return dropdownPlacement(geometry).renderUp
+}