chore: add a function to manually capture exceptions and send to sentry

frontend/src/ts/sentry.ts

@@ -65,3 +65,7 @@ export function setUser(uid: string, name: string): void {
 export function clearUser(): void {
   Sentry.setUser(null);
 }
+
+export function captureException(error: Error): void {
+  Sentry.captureException(error);
+}

frontend/src/ts/test/test-logic.ts

@@ -75,6 +75,7 @@ import * as CompositionState from "../states/composition";
 import { SnapshotResult } from "../constants/default-snapshot";
 import { WordGenError } from "../utils/word-gen-error";
 import { tryCatch } from "@monkeytype/util/trycatch";
+import { captureException } from "../sentry";
 
 let failReason = "";
 const koInputVisual = document.getElementById("koInputVisual") as HTMLElement;
@@ -382,12 +383,16 @@ export function restart(options = {} as RestartOptions): void {
   ResultWordHighlight.destroy();
 }
 
+let lastInitError: Error | null = null;
 let rememberLazyMode: boolean;
 let testReinitCount = 0;
 export async function init(): Promise<void> {
   console.debug("Initializing test");
   testReinitCount++;
   if (testReinitCount >= 4) {
+    if (lastInitError) {
+      captureException(lastInitError);
+    }
     TestUI.setTestRestarting(false);
     Notifications.add(
       "Too many test reinitialization attempts. Something is going very wrong. Please contact support.",
@@ -470,6 +475,9 @@ export async function init(): Promise<void> {
     wordsHaveTab = gen.hasTab;
     wordsHaveNewline = gen.hasNewline;
   } catch (e) {
+    if (e instanceof WordGenError || e instanceof Error) {
+      lastInitError = e;
+    }
     console.error(e);
     if (e instanceof WordGenError) {
       if (e.message.length > 0) {