Remove unnecessary helper.

lib/utils.ts

@@ -4,18 +4,14 @@ export type Callback<T> = (error: Error | null, result: T | undefined) => void
 /** Signature for a callback function that expects an error to be passed. */
 export type ErrorCallback = (error: Error, result?: never) => void
 
-/** Wrapped `Object.prototype.toString`, so that you don't need to remember to use `.call()`. */
-export const objectToString = (obj: unknown) =>
-  Object.prototype.toString.call(obj)
-
 /** Safely converts any value to string, using the value's own `toString` when available. */
 export const safeToString = (val: unknown) => {
   // Ideally, we'd just use String() for everything, but it breaks if `toString` is missing (mostly
   // values with no prototype), so we have to use Object#toString as a fallback.
   if (val === undefined || val === null || typeof val.toString === 'function') {
     return String(val)
   } else {
-    return objectToString(val)
+    return Object.prototype.toString.call(val)
   }
 }
 

lib/validators.ts

@@ -26,7 +26,7 @@ SOFTWARE.
 
 ************************************************************************************ */
 
-import { ErrorCallback, objectToString, safeToString } from './utils'
+import { ErrorCallback, safeToString } from './utils'
 
 /* Validation functions copied from check-types package - https://www.npmjs.com/package/check-types */
 
@@ -52,7 +52,7 @@ export function isString(data: unknown): boolean {
 
 /** Determines whether the string representation of the argument is "[object Object]". */
 export function isObject(data: unknown): boolean {
-  return objectToString(data) === '[object Object]'
+  return safeToString(data) === '[object Object]'
 }
 
 /** Determines whether the argument is an integer. */