Add Socketio support

and modify some websocket and sse code to pick up common function and component

functions/utils/string.js

@@ -0,0 +1,12 @@
+export function getSourcePrefix(source) {
+  const sourceEmojis = {
+    // Source used for info messages.
+    info: "\tℹ️ [INFO]:\t",
+    // Source used for client to server messages.
+    client: "\t👽 [SENT]:\t",
+    // Source used for server to client messages.
+    server: "\t📥 [RECEIVED]:\t",
+  }
+  if (Object.keys(sourceEmojis).includes(source)) return sourceEmojis[source]
+  return ""
+}

functions/utils/valid.js

@@ -0,0 +1,27 @@
+/**
+ * valid url for ws/wss
+ */
+export function wsValid(url) {
+  const protocol = "^(wss?:\\/\\/)?"
+  const validIP = new RegExp(
+    `${protocol}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$`
+  )
+  const validHostname = new RegExp(
+    `${protocol}(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]).)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9/])$`
+  )
+  return validIP.test(url) || validHostname.test(url)
+}
+
+/**
+ * valid url for http/https
+ */
+export function sseValid(url) {
+  const protocol = "^(https?:\\/\\/)?"
+  const validIP = new RegExp(
+    `${protocol}(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$`
+  )
+  const validHostname = new RegExp(
+    `${protocol}(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]).)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9-]*[A-Za-z0-9/])$`
+  )
+  return validIP.test(url) || validHostname.test(url)
+}