types: improve isRef typing (#578)

2020-01-06 21:15:49 +00:00 · 2020-01-06 21:15:49 +00:00 · 985f4c91d9
commit 985f4c91d9
parent 2ac4b723e0
1 changed files with 1 additions and 0 deletions
--- a/packages/reactivity/src/ref.ts
+++ b/packages/reactivity/src/ref.ts
@ -23,6 +23,7 @@ export interface Ref<T = any> {
 const convert = <T extends unknown>(val: T): T =>
  isObject(val) ? reactive(val) : val

+export function isRef<T>(r: Ref<T> | T): r is Ref<T>
 export function isRef(r: any): r is Ref {
  return r ? r._isRef === true : false
 }