From afd128003eb4c3ee9510ea22663384fbb7336b5c Mon Sep 17 00:00:00 2001
From: AriPerkkio <ari.perkkio@gmail.com>
Date: Sun, 25 Jun 2023 15:27:17 +0300
Subject: [PATCH] fix(watch): clear screen on all terminals

---
 packages/vitest/src/node/logger.ts | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/packages/vitest/src/node/logger.ts b/packages/vitest/src/node/logger.ts
index e576210de3f4..85337c349a55 100644
--- a/packages/vitest/src/node/logger.ts
+++ b/packages/vitest/src/node/logger.ts
@@ -8,6 +8,11 @@ import { RandomSequencer } from './sequencers/RandomSequencer'
 import type { Vitest } from './core'
 import { printError } from './error'
 
+const ESC = '\x1B['
+const ERASE_SCREEN = `${ESC}2J`
+const ERASE_SCROLLBACK = `${ESC}3J`
+const CURSOR_HOME_ROW = `${ESC}H`
+
 export class Logger {
   outputStream = process.stdout
   errorStream = process.stderr
@@ -43,7 +48,13 @@ export class Logger {
       return
     }
 
-    this.console.log(`\x1Bc${message}`)
+    // Clear screen and scrollback buffer. Windows requires special handling except on Git Bash
+    if (process.platform === 'win32' && !process.env.SHELL?.includes('bash'))
+      this.console.log(`${ERASE_SCREEN}${ESC}0f`)
+    else
+      this.console.log(`${ERASE_SCREEN}${ERASE_SCROLLBACK}${CURSOR_HOME_ROW}`)
+
+    this.console.log(message)
   }
 
   clearScreen(message: string, force = false) {