Add comprehensive tests for role middleware and fix package dependencies

node_modules/loupe/lib/regexp.js

@@ -0,0 +1,8 @@
+import { truncate } from './helpers'
+
+export default function inspectRegExp(value, options) {
+  const flags = value.toString().split('/')[2]
+  const sourceLength = options.truncate - (2 + flags.length)
+  const source = value.source
+  return options.stylize(`/${truncate(source, sourceLength)}/${flags}`, 'regexp')
+}