fix: restore process.stdout/stderr on close

packages/vitest/package.json

@@ -162,6 +162,7 @@
     "expect-type": "^1.1.0",
     "magic-string": "^0.30.12",
     "pathe": "^1.1.2",
+    "restore-cursor": "^5.1.0",
     "std-env": "^3.8.0",
     "tinybench": "^2.9.0",
     "tinyexec": "^0.3.1",

packages/vitest/src/node/reporters/renderers/windowedRenderer.ts

@@ -1,6 +1,7 @@
 import type { Writable } from 'node:stream'
 import type { Vitest } from '../../core'
 import { stripVTControlCharacters } from 'node:util'
+import restoreCursor from 'restore-cursor'
 
 const DEFAULT_RENDER_INTERVAL = 16
 
@@ -32,6 +33,7 @@ export class WindowRenderer {
 
   private windowHeight = 0
   private finished = false
+  private cleanups: (() => void)[] = []
 
   constructor(options: Options) {
     this.options = {
@@ -44,8 +46,13 @@ export class WindowRenderer {
       error: options.logger.errorStream.write.bind(options.logger.errorStream),
     }
 
-    this.interceptStream(process.stdout, 'output')
-    this.interceptStream(process.stderr, 'error')
+    this.cleanups.push(
+      this.interceptStream(process.stdout, 'output'),
+      this.interceptStream(process.stderr, 'error'),
+    )
+
+    restoreCursor()
+    this.write(HIDE_CURSOR, 'output')
 
     this.start()
   }
@@ -57,6 +64,7 @@ export class WindowRenderer {
 
   stop() {
     this.write(SHOW_CURSOR, 'output')
+    this.cleanups.splice(0).map(fn => fn())
     clearInterval(this.renderInterval)
   }
 
@@ -125,7 +133,6 @@ export class WindowRenderer {
 
     this.write(windowContent.join('\n'))
     this.write(SYNC_END)
-    this.write(HIDE_CURSOR)
 
     this.windowHeight = rowCount + Math.max(0, padding)
   }
@@ -145,6 +152,8 @@ export class WindowRenderer {
   }
 
   private interceptStream(stream: NodeJS.WriteStream, type: StreamType) {
+    const original = stream.write
+
     // @ts-expect-error -- not sure how 2 overloads should be typed
     stream.write = (chunk, _, callback) => {
       if (chunk) {
@@ -157,6 +166,10 @@ export class WindowRenderer {
       }
       callback?.()
     }
+
+    return function restore() {
+      stream.write = original
+    }
   }
 
   private write(message: string, type: 'output' | 'error' = 'output') {