convert nodefetch ts

Author: sw-yx

src/functions-templates/ts/node-fetch/node-fetch.js renamed to src/functions-templates/ts/node-fetch/node-fetch.ts

@@ -1,5 +1,9 @@
-const fetch = require('node-fetch')
-exports.handler = async function(event, context) {
+// example of async handler using async-await
+// https://github.com/netlify/netlify-lambda/issues/43#issuecomment-444618311
+
+import fetch from 'node-fetch'
+import { Context } from 'aws-lambda'
+export async function handler(event: any, context: Context) {
   try {
     const response = await fetch('https://api.chucknorris.io/jokes/random')
     if (!response.ok) {