✨ Import text-editor code into the repository

frontend/text-editor/editor/controllers/SafeGuard.js

@@ -0,0 +1,34 @@
+/**
+ * Max. amount of time we should allow.
+ *
+ * @type {number}
+ */
+const SAFE_GUARD_TIME = 1000;
+
+/**
+ * Time at which the safeguard started.
+ *
+ * @type {number}
+ */
+let startTime = Date.now();
+
+/**
+ * Marks the start of the safeguard.
+ */
+export function start() {
+  startTime = Date.now();
+}
+
+/**
+ * Checks if the safeguard should throw.
+ */
+export function update() {
+  if (Date.now - startTime >= SAFE_GUARD_TIME) {
+    throw new Error('Safe guard timeout');
+  }
+}
+
+export default {
+  start,
+  update,
+}