Add function docs

packages/deployer/src/utils/error_reporter.ts

@@ -1,7 +1,11 @@
 import { logUtils } from '@0xproject/utils';
 
-// Makes an async function no-throw printing errors to the console
-export function consoleReporter<T>(asyncFn: (arg: T) => Promise<void>) {
+/**
+ * Makes an async function no-throw printing errors to the console
+ * @param asyncFn async function to wrap
+ * @return Wrapped version of the passed function
+ */
+export function consoleReporter<T>(asyncFn: (arg: T) => Promise<void>): (arg: T) => Promise<void> {
     const noThrowFnAsync = async (arg: T) => {
         try {
             const result = await asyncFn(arg);