chore(util): add <T> to isPromise

ionic-team · Aug 28, 2020 · 2b8a8de · 2b8a8de
1 parent 363d258
commit 2b8a8de
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/utils/helpers.ts b/src/utils/helpers.ts
@@ -88,4 +88,5 @@ export const isNumber = (v: any): v is boolean => typeof v === 'number';
 export const isObject = (val: Object) => val != null && typeof val === 'object' && Array.isArray(val) === false;
 export const isString = (v: any): v is string => typeof v === 'string';
 export const isIterable = (v: any): v is Iterable<any> => isDefined(v) && isFunction(v[Symbol.iterator]);
-export const isPromise = (v: any): v is Promise<any> => !!v && (typeof v === 'object' || typeof v === 'function') && typeof v.then === 'function';
+export const isPromise = <T = any>(v: any): v is Promise<T> =>
+  !!v && (typeof v === 'object' || typeof v === 'function') && typeof v.then === 'function';