From 8bd26b012778e91c8dc4a3311187dcbe1f9ab5ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ari=20Perkki=C3=B6?= <ari.perkkio@gmail.com>
Date: Sun, 30 Jul 2023 19:50:57 +0300
Subject: [PATCH] fix(watch): clear screen on all terminals (#3661)

---
 packages/vitest/src/node/logger.ts | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/packages/vitest/src/node/logger.ts b/packages/vitest/src/node/logger.ts
index 76e15a216d88..76ee78cb8264 100644
--- a/packages/vitest/src/node/logger.ts
+++ b/packages/vitest/src/node/logger.ts
@@ -15,6 +15,12 @@ interface ErrorOptions {
   project?: WorkspaceProject
 }
 
+const ESC = '\x1B['
+const ERASE_DOWN = `${ESC}J`
+const ERASE_SCROLLBACK = `${ESC}3J`
+const CURSOR_TO_START = `${ESC}1;1H`
+const CLEAR_SCREEN = '\x1Bc'
+
 export class Logger {
   outputStream = process.stdout
   errorStream = process.stderr
@@ -50,7 +56,7 @@ export class Logger {
       return
     }
 
-    this.console.log(`\x1Bc${message}`)
+    this.console.log(`${ERASE_SCROLLBACK}${CLEAR_SCREEN}${message}`)
   }
 
   clearScreen(message: string, force = false) {
@@ -70,9 +76,7 @@ export class Logger {
 
     const log = this._clearScreenPending
     this._clearScreenPending = undefined
-    // equivalent to ansi-escapes:
-    // stdout.write(ansiEscapes.cursorTo(0, 0) + ansiEscapes.eraseDown + log)
-    this.console.log(`\u001B[1;1H\u001B[J${log}`)
+    this.console.log(`${CURSOR_TO_START}${ERASE_DOWN}${log}`)
   }
 
   printError(err: unknown, options: ErrorOptions = {}) {