feat: improve tree-shaking

vueuse · Apr 13, 2023 · 3275e94 · 3275e94
1 parent cb644e0
commit 3275e94
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Showing 2 changed files with 18 additions and 6 deletions.
diff --git a/packages/core/ssr-handlers.ts b/packages/core/ssr-handlers.ts
@@ -28,12 +28,20 @@ const _global
       ? window
       : typeof global !== 'undefined'
         ? global
-        : typeof self !== 'undefined' ? self : {}
+        : typeof self !== 'undefined'
+          ? self
+          : {}
+
 const globalKey = '__vueuse_ssr_handlers__'
-// @ts-expect-error inject global
-_global[globalKey] = _global[globalKey] || {}
-// @ts-expect-error inject global
-const handlers: Partial<SSRHandlersMap> = _global[globalKey]
+const handlers = /* @__PURE__ */ getHandlers()
+
+function getHandlers() {
+  if (!(globalKey in _global))
+    // @ts-expect-error inject global
+    _global[globalKey] = _global[globalKey] || {}
+  // @ts-expect-error inject global
+  return _global[globalKey] as Partial<SSRHandlersMap>
+}
 
 export function getSSRHandler<T extends keyof SSRHandlersMap>(key: T, fallback: SSRHandlersMap[T]): SSRHandlersMap[T]
 export function getSSRHandler<T extends keyof SSRHandlersMap>(key: T, fallback: SSRHandlersMap[T] | undefined): SSRHandlersMap[T] | undefined

diff --git a/packages/shared/utils/is.ts b/packages/shared/utils/is.ts
@@ -19,4 +19,8 @@ export const rand = (min: number, max: number) => {
 }
 export const hasOwn = <T extends object, K extends keyof T>(val: T, key: K): key is K => Object.prototype.hasOwnProperty.call(val, key)
 
-export const isIOS = /* #__PURE__ */ isClient && window?.navigator?.userAgent && /iP(ad|hone|od)/.test(window.navigator.userAgent)
+export const isIOS = /* #__PURE__ */ getIsIOS()
+
+function getIsIOS() {
+  return isClient && window?.navigator?.userAgent && /iP(ad|hone|od)/.test(window.navigator.userAgent)
+}