fix: getMember 属性值为 Falsy 时返回 defaultValue

baidu · Apr 6, 2021 · 609401f · 609401f
1 parent 42178af
commit 609401f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/utils/lang.ts b/src/utils/lang.ts
@@ -5,8 +5,8 @@ export function isValidIdentifier (str: string) {
 export function getMember<T> (clazz: Function, property: string, defaultValue: T): T
 export function getMember<T> (clazz: Function, property: string): T | undefined
 export function getMember<T> (clazz: Function, property: string, defaultValue?: T): T | undefined {
-    if (clazz[property]) return clazz[property]
-    if (clazz.prototype && clazz.prototype[property]) {
+    if (clazz[property] !== undefined) return clazz[property]
+    if (clazz.prototype && clazz.prototype[property] !== undefined) {
         return clazz.prototype[property]
     }
     return defaultValue