ci: increase e2e startup polling delay

This hides a number of error messages that are really indications that
we need to continue waiting.

Author: marksvc

src/SIL.XForge.Scripture/ClientApp/e2e/await-application-startup.mts

@@ -3,38 +3,61 @@
 // This script polls to check whether the application has started at localhost:5000, and exits when it has started up,
 // or exits with a failure if it hasn't started in 5 minutes.
 
-const pollUrl = 'http://localhost:5000/projects';
+const programName = "await-application-startup";
+const pollUrl = "http://localhost:5000/projects";
 const pollInterval = 1000;
+const quietPeriodSec = 50_000;
 const timeout = 5 * 60_000;
 
+const startTime = Date.now();
+
+function output(message: string) {
+  console.log(programName + ": " + message);
+}
+
 setTimeout(() => {
-  console.log('Failed to start in ', timeout, ' milliseconds. Exiting.')
+  output(`Failed to start in ${timeout} milliseconds. Exiting.`);
   Deno.exit(1);
 }, timeout);
 
-const startTime = Date.now();
 function elapsedTime() {
-  const currentTIme = Date.now();
-  const elapsed = currentTIme - startTime;
+  const currentTime = Date.now();
+  const elapsed = currentTime - startTime;
   const minutes = Math.floor(elapsed / 60_000);
-  const seconds = Math.floor((elapsed % 60_000) / 1000)
-  return `${minutes}:${seconds < 10 ? '0' + seconds : seconds}`
+  const seconds = Math.floor((elapsed % 60_000) / 1000);
+  return `${minutes}:${seconds.toString().padStart(2, "0")}`;
 }
 
 async function check() {
+  const elapsedSec: number = Date.now() - startTime;
+  const isQuietPeriod: boolean = elapsedSec < quietPeriodSec;
+
   try {
     const response = await fetch(pollUrl, {
-      headers: { 'Accept': 'text/html' }
+      headers: { Accept: "text/html" }
     });
     if (response.ok) {
-      console.log(elapsedTime(), 'Startup check passed. Exiting.')
+      if (isQuietPeriod) {
+        console.log(); // New line after dots
+      }
+      output(`${elapsedTime()} Startup check passed. Exiting.`);
       Deno.exit(0);
     } else {
-      console.log(elapsedTime(), 'Startup check failed: ', response.status, response.statusText)
-    } } catch (error) {
-      console.log(elapsedTime(), 'Startup check failed: '+ error.message)
+      if (isQuietPeriod) {
+        Deno.stdout.writeSync(new TextEncoder().encode("."));
+      } else {
+        output(`${elapsedTime()} Startup check failed: ${response.status} ${response.statusText}`);
+      }
+    }
+  } catch (error) {
+    if (isQuietPeriod) {
+      Deno.stdout.writeSync(new TextEncoder().encode("."));
+      return;
+    }
+    const message = error instanceof Error ? error.message : String(error);
+    output(`${elapsedTime()} Startup check failed: ${message}`);
   }
 }
 
 setTimeout(check, 0);
-setInterval(check, pollInterval);
+setInterval(check, pollInterval);