Web Worker regex test (#1354)

Co-authored-by: Liyas Thomas <liyascthomas@gmail.com>

assets/js/regex.worker.js

@@ -0,0 +1,31 @@
+function generateREForProtocol(protocol) {
+  return [
+    new RegExp(
+      `${protocol}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$`
+    ),
+    new RegExp(
+      `${protocol}(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]).)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9/])$`
+    ),
+  ]
+}
+
+const ws = generateREForProtocol("^(wss?:\\/\\/)?")
+const sse = generateREForProtocol("^(https?:\\/\\/)?")
+const socketio = generateREForProtocol("^((wss?:\\/\\/)|(https?:\\/\\/))?")
+const regex = { ws, sse, socketio }
+
+// type = ws/sse/socketio
+async function validator(type, url) {
+  console.time("validator " + url)
+  const [res1, res2] = await Promise.all([regex[type][0].test(url), regex[type][1].test(url)])
+  console.timeEnd("validator " + url)
+  return res1 || res2
+}
+
+onmessage = async function (event) {
+  var { type, url } = event.data
+
+  const result = await validator(type, url)
+
+  postMessage({ type, url, result })
+}