Make comments cache-safe

app/javascript/initializers/current.js

@@ -0,0 +1,15 @@
+class Current {
+  get user() {
+    const currentUserId = this.#extractContentFromMetaTag("current-user-id")
+
+    if (currentUserId) {
+      return { id: parseInt(currentUserId) }
+    }
+  }
+
+  #extractContentFromMetaTag(name) {
+    return document.head.querySelector(`meta[name="${name}"]`)?.getAttribute("content")
+  }
+}
+
+window.Current = new Current()

app/javascript/initializers/index.js

@@ -0,0 +1 @@
+import "initializers/current"