refactor: rewrite useEnv hook

Je · Je · commit 6bfe75928b13 · 2020-10-27T23:24:39.000+08:00
diff --git a/hooks.ts b/hooks.ts
@@ -53,8 +53,9 @@ export function useDeno<T = any>(callback: () => (T | Promise<T>), browser?: boo
     return data
 }
 
-export function useEnv(): AlephEnv {
-    return useDeno<AlephEnv>(() => {
-        return (globalThis as any).ALEPH.ENV
+export function useEnv<T>(predicate: (env: AlephEnv) => T): T {
+    const env = useDeno<T>(() => {
+        return predicate((globalThis as any).ALEPH.ENV)
     })
+    return env
 }

Original file line number	Diff line number	Diff line change
`@@ -53,8 +53,9 @@ export function useDeno<T = any>(callback: () => (T \| Promise<T>), browser?: boo`
`53`	`53`	`return data`
`54`	`54`	`}`
`55`	`55`
`56`		`-export function useEnv(): AlephEnv {`
`57`		`- return useDeno<AlephEnv>(() => {`
`58`		`- return (globalThis as any).ALEPH.ENV`
	`56`	`+export function useEnv<T>(predicate: (env: AlephEnv) => T): T {`
	`57`	`+ const env = useDeno<T>(() => {`
	`58`	`+ return predicate((globalThis as any).ALEPH.ENV)`
`59`	`59`	`})`
	`60`	`+ return env`
`60`	`61`	`}`