Added config

upload.ts

@@ -0,0 +1,14 @@
+export const getTweetID = (src: string): string => {
+  // Create a URL object with the source. If it fails, it's not a URL.
+  const url = new URL(src)
+  const id = url.pathname
+    .split('/')
+    .filter(piece => !!piece) // remove empty strings from array
+    .slice(-1)[0]
+  if (!id) {
+    throw new Error('URL does not seem to be a tweet.')
+  }
+  return id
+}
+
+