add posthog app

packages/posthog-formbricks-plugin/index.js

@@ -0,0 +1,22 @@
+// <TODO: your plugin code here - you can base it on the code below, but you don't have to>
+
+// Some internal library function
+async function getRandomNumber() {
+  return 4;
+}
+
+// Plugin method that runs on plugin load
+export async function setupPlugin({ config }) {
+  console.log(`Setting up the plugin`);
+}
+
+// Plugin method that processes event
+export async function processEvent(event, { config, cache }) {
+  const counterValue = await cache.get("greeting_counter", 0);
+  cache.set("greeting_counter", counterValue + 1);
+  if (!event.properties) event.properties = {};
+  event.properties["greeting"] = config.greeting;
+  event.properties["greeting_counter"] = counterValue;
+  event.properties["random_number"] = await getRandomNumber();
+  return event;
+}