From 88b69af6ddca863261131c095bd21c7026e3a126 Mon Sep 17 00:00:00 2001
From: Peter Zich <petezich@gmail.com>
Date: Wed, 17 Apr 2024 18:54:39 -0700
Subject: [PATCH] Create TimestampTransformer and use it in EwtConsole

---
 src/components/ewt-console.ts     |  2 ++
 src/util/timestamp-transformer.ts | 12 ++++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 src/util/timestamp-transformer.ts

diff --git a/src/components/ewt-console.ts b/src/components/ewt-console.ts
index bf5998ce..0d70f4d0 100644
--- a/src/components/ewt-console.ts
+++ b/src/components/ewt-console.ts
@@ -1,6 +1,7 @@
 import { ColoredConsole, coloredConsoleStyles } from "../util/console-color";
 import { sleep } from "../util/sleep";
 import { LineBreakTransformer } from "../util/line-break-transformer";
+import { TimestampTransformer } from "../util/timestamp-transformer";
 import { Logger } from "../const";
 
 export class EwtConsole extends HTMLElement {
@@ -95,6 +96,7 @@ export class EwtConsole extends HTMLElement {
           signal: abortSignal,
         })
         .pipeThrough(new TransformStream(new LineBreakTransformer()))
+        .pipeThrough(new TransformStream(new TimestampTransformer()))
         .pipeTo(
           new WritableStream({
             write: (chunk) => {
diff --git a/src/util/timestamp-transformer.ts b/src/util/timestamp-transformer.ts
new file mode 100644
index 00000000..688a56c7
--- /dev/null
+++ b/src/util/timestamp-transformer.ts
@@ -0,0 +1,12 @@
+export class TimestampTransformer implements Transformer<string, string> {
+  transform(
+    chunk: string,
+    controller: TransformStreamDefaultController<string>,
+  ) {
+    const date = new Date();
+    const h = date.getHours().toString().padStart(2, '0');
+    const m = date.getMinutes().toString().padStart(2, '0');
+    const s = date.getSeconds().toString().padStart(2, '0');
+    controller.enqueue(`[${h}:${m}:${s}]${chunk}`);
+  }
+}