feat: improve "isCI" check

packages/vitest/package.json

@@ -117,6 +117,7 @@
     "local-pkg": "^0.4.2",
     "picocolors": "^1.0.0",
     "source-map": "^0.6.1",
+    "std-env": "^3.3.1",
     "strip-literal": "^1.0.0",
     "tinybench": "^2.3.1",
     "tinypool": "^0.3.0",

packages/vitest/src/defaults.ts

@@ -1,4 +1,5 @@
 import type { BenchmarkUserOptions, ResolvedCoverageOptions, UserConfig } from './types'
+import { isCI } from './utils/env'
 
 export const defaultInclude = ['**/*.{test,spec}.{js,mjs,cjs,ts,mts,cts,jsx,tsx}']
 export const defaultExclude = ['**/node_modules/**', '**/dist/**', '**/cypress/**', '**/.{idea,git,cache,output,temp}/**', '**/{karma,rollup,webpack,vite,vitest,jest,ava,babel,nyc,cypress,tsup,build}.config.*']
@@ -55,8 +56,8 @@ export const fakeTimersDefaults = {
 } as NonNullable<UserConfig['fakeTimers']>
 
 const config = {
-  allowOnly: !process.env.CI,
-  watch: !process.env.CI,
+  allowOnly: !isCI,
+  watch: !isCI,
   globals: false,
   environment: 'node' as const,
   threads: true,

packages/vitest/src/node/config.ts

@@ -6,7 +6,7 @@ import type { ResolvedConfig as ResolvedViteConfig } from 'vite'
 import type { ApiConfig, ResolvedConfig, UserConfig, VitestRunMode } from '../types'
 import { defaultPort } from '../constants'
 import { benchmarkConfigDefaults, configDefaults } from '../defaults'
-import { toArray } from '../utils'
+import { isCI, toArray } from '../utils'
 import { VitestCache } from './cache'
 import { BaseSequencer } from './sequencers/BaseSequencer'
 import { RandomSequencer } from './sequencers/RandomSequencer'
@@ -139,11 +139,10 @@ export function resolveConfig(
       : new RegExp(resolved.testNamePattern)
     : undefined
 
-  const CI = !!process.env.CI
   const UPDATE_SNAPSHOT = resolved.update || process.env.UPDATE_SNAPSHOT
   resolved.snapshotOptions = {
     snapshotFormat: resolved.snapshotFormat || {},
-    updateSnapshot: CI && !UPDATE_SNAPSHOT
+    updateSnapshot: isCI && !UPDATE_SNAPSHOT
       ? 'none'
       : UPDATE_SNAPSHOT
         ? 'all'

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

@@ -1,7 +1,7 @@
 import { performance } from 'perf_hooks'
 import c from 'picocolors'
 import type { ErrorWithDiff, File, Reporter, Task, TaskResultPack, UserConsoleLog } from '../../types'
-import { clearInterval, getFullName, getSuites, getTests, hasFailed, hasFailedSnapshot, isNode, relativePath, setInterval } from '../../utils'
+import { clearInterval, getFullName, getSuites, getTests, hasFailed, hasFailedSnapshot, isCI, isNode, relativePath, setInterval } from '../../utils'
 import type { Vitest } from '../../node'
 import { F_RIGHT } from '../../utils/figures'
 import { countTestErrors, divider, formatProjectName, formatTimeString, getStateString, getStateSymbol, pointer, renderSnapshotSummary } from './renderers/utils'
@@ -20,7 +20,7 @@ export abstract class BaseReporter implements Reporter {
   start = 0
   end = 0
   watchFilters?: string[]
-  isTTY = isNode && process.stdout?.isTTY && !process.env.CI
+  isTTY = isNode && process.stdout?.isTTY && !isCI
   ctx: Vitest = undefined!
 
   private _filesInWatchMode = new Map<string, number>()

packages/vitest/src/utils/env.ts

@@ -1,2 +1,3 @@
 export const isNode: boolean = typeof process < 'u' && typeof process.stdout < 'u' && !process.versions?.deno && !globalThis.window
 export const isBrowser: boolean = typeof window !== 'undefined'
+export { isCI } from 'std-env'

packages/vitest/src/utils/index.ts

@@ -7,7 +7,7 @@ import type { Suite, Task } from '../types'
 import { EXIT_CODE_RESTART } from '../constants'
 import { getWorkerState } from '../utils'
 import { getNames } from './tasks'
-import { isBrowser, isNode } from './env'
+import { isBrowser, isCI, isNode } from './env'
 
 export * from './graph'
 export * from './tasks'
@@ -83,7 +83,7 @@ export async function ensurePackageInstalled(
   if (isPackageExists(dependency, { paths: [root] }))
     return true
 
-  const promptInstall = !process.env.CI && process.stdout.isTTY
+  const promptInstall = !isCI && process.stdout.isTTY
 
   process.stderr.write(c.red(`${c.inverse(c.red(' MISSING DEP '))} Can not find dependency '${dependency}'\n\n`))