diff --git a/src/libs/Growl.js b/src/libs/Growl.js
deleted file mode 100644
index 81994dd4c255..000000000000
--- a/src/libs/Growl.js
+++ /dev/null
@@ -1,51 +0,0 @@
-import React from 'react';
-import CONST from '../CONST';
-
-const growlRef = React.createRef();
-let resolveIsReadyPromise;
-const isReadyPromise = new Promise((resolve) => {
-    resolveIsReadyPromise = resolve;
-});
-
-function setIsReady() {
-    resolveIsReadyPromise();
-}
-
-/**
- * Show the growl notification
- *
- * @param {String} bodyText
- * @param {String} type
- * @param {Number} [duration]
- */
-function show(bodyText, type, duration = CONST.GROWL.DURATION) {
-    isReadyPromise.then(() => growlRef.current.show(bodyText, type, duration));
-}
-
-/**
- * Show error growl
- *
- * @param {String} bodyText
- * @param {Number} [duration]
- */
-function error(bodyText, duration = CONST.GROWL.DURATION) {
-    show(bodyText, CONST.GROWL.ERROR, duration);
-}
-
-/**
- * Show success growl
- *
- * @param {String} bodyText
- * @param {Number} [duration]
- */
-function success(bodyText, duration = CONST.GROWL.DURATION) {
-    show(bodyText, CONST.GROWL.SUCCESS, duration);
-}
-
-export default {
-    show,
-    error,
-    success,
-};
-
-export {growlRef, setIsReady};
diff --git a/src/libs/Growl.ts b/src/libs/Growl.ts
new file mode 100644
index 000000000000..99c728f0a210
--- /dev/null
+++ b/src/libs/Growl.ts
@@ -0,0 +1,49 @@
+import React from 'react';
+import CONST from '../CONST';
+
+type GrowlRef = {
+    show?: (bodyText: string, type: string, duration: number) => void;
+};
+
+const growlRef = React.createRef<GrowlRef>();
+let resolveIsReadyPromise: undefined | ((value?: unknown) => void);
+const isReadyPromise = new Promise((resolve) => {
+    resolveIsReadyPromise = resolve;
+});
+
+function setIsReady() {
+    if (!resolveIsReadyPromise) return;
+    resolveIsReadyPromise();
+}
+
+/**
+ * Show the growl notification
+ */
+function show(bodyText: string, type: string, duration: number = CONST.GROWL.DURATION) {
+    isReadyPromise.then(() => {
+        if (!growlRef?.current?.show) return;
+        growlRef.current.show(bodyText, type, duration);
+    });
+}
+
+/**
+ * Show error growl
+ */
+function error(bodyText: string, duration: number = CONST.GROWL.DURATION) {
+    show(bodyText, CONST.GROWL.ERROR, duration);
+}
+
+/**
+ * Show success growl
+ */
+function success(bodyText: string, duration: number = CONST.GROWL.DURATION) {
+    show(bodyText, CONST.GROWL.SUCCESS, duration);
+}
+
+export default {
+    show,
+    error,
+    success,
+};
+
+export {growlRef, setIsReady};