fix: use TTY reporter when running in Deno (#5972)

Author: marvinhagemeister

packages/vitest/src/node/reporters/base.ts

@@ -18,6 +18,7 @@ import {
   hasFailed,
   hasFailedSnapshot,
   isCI,
+  isDeno,
   isNode,
   relativePath,
   toArray,
@@ -75,7 +76,7 @@ export abstract class BaseReporter implements Reporter {
   private _offUnhandledRejection?: () => void
 
   constructor(options: BaseOptions = {}) {
-    this.isTTY = options.isTTY ?? (isNode && process.stdout?.isTTY && !isCI)
+    this.isTTY = options.isTTY ?? ((isNode || isDeno) && process.stdout?.isTTY && !isCI)
     this.registerUnhandledRejection()
   }
 

packages/vitest/src/utils/env.ts

@@ -3,6 +3,10 @@ export const isNode: boolean
   && typeof process.stdout < 'u'
   && !process.versions?.deno
   && !globalThis.window
-export const isWindows = isNode && process.platform === 'win32'
+export const isDeno: boolean
+  = typeof process < 'u'
+  && typeof process.stdout < 'u'
+  && process.versions?.deno !== undefined
+export const isWindows = (isNode || isDeno) && process.platform === 'win32'
 export const isBrowser: boolean = typeof window !== 'undefined'
 export { isCI, provider as stdProvider } from 'std-env'