From e67b3e817615bf045ae64737c1f7177af5b928a5 Mon Sep 17 00:00:00 2001
From: Max Sysoev <colouredchalkmelky@gmail.com>
Date: Thu, 8 Dec 2016 20:28:33 +0300
Subject: [PATCH] Clear scrollback on terminal clear in watch mode (#2230)

* Send reset screen symbol instead of clear

* Use other symbol for clearing terminal on Windows

* Clear remaining screen on linux/os x
---
 packages/jest-cli/src/jest.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/jest-cli/src/jest.js b/packages/jest-cli/src/jest.js
index 445b60df29bc..c0ec7583ba32 100644
--- a/packages/jest-cli/src/jest.js
+++ b/packages/jest-cli/src/jest.js
@@ -34,7 +34,7 @@ const sane = require('sane');
 const which = require('which');
 const TestWatcher = require('./TestWatcher');
 
-const CLEAR = '\x1B[2J\x1B[H';
+const CLEAR = process.platform === 'win32' ? '\x1Bc' : '\x1B[2J\x1B[3J\x1B[H';
 const VERSION = require('../package.json').version;
 const WATCHER_DEBOUNCE = 200;
 const WATCHMAN_BIN = 'watchman';