Improve accuracy of the isAsync type guard (colinhacks#1719)

* Fix isAsync type guard * Remove unexpected README change
Packmatic · Dec 24, 2022 · a48f366 · a48f366
1 parent 907c7e6
commit a48f366
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/deno/lib/helpers/parseUtil.ts b/deno/lib/helpers/parseUtil.ts
@@ -175,4 +175,4 @@ export const isValid = <T>(x: ParseReturnType<T>): x is OK<T> | DIRTY<T> =>
 export const isAsync = <T>(
   x: ParseReturnType<T>
 ): x is AsyncParseReturnType<T> =>
-  typeof Promise !== undefined && x instanceof Promise;
+  typeof Promise !== "undefined" && x instanceof Promise;
diff --git a/src/helpers/parseUtil.ts b/src/helpers/parseUtil.ts
@@ -175,4 +175,4 @@ export const isValid = <T>(x: ParseReturnType<T>): x is OK<T> | DIRTY<T> =>
 export const isAsync = <T>(
   x: ParseReturnType<T>
 ): x is AsyncParseReturnType<T> =>
-  typeof Promise !== undefined && x instanceof Promise;
+  typeof Promise !== "undefined" && x instanceof Promise;