vitest-dev
diff --git a/‎docs/guide/environment.md‎
Lines changed: 1 addition & 1 deletion b/‎docs/guide/environment.md‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎packages/vitest/src/integrations/env/index.ts‎
Lines changed: 2 additions & 0 deletions b/‎packages/vitest/src/integrations/env/index.ts‎
Lines changed: 2 additions & 0 deletions
@@ -27,7 +27,7 @@ Or you can also set [`environmentMatchGlobs`](https://vitest.dev/config/#environ
 
 ## Custom Environment
 
-Starting from 0.23.0, you can create your own package to extend Vitest environment. To do so, create package with the name `vitest-environment-${name}` or specify a path to a valid JS file (supported since 0.34.0). That package should export an object with the shape of `Environment`:
+Starting from 0.23.0, you can create your own package to extend Vitest environment. To do so, create package with the name `vitest-environment-${name}` or specify a path to a valid JS/TS file (supported since 0.34.0). That package should export an object with the shape of `Environment`:
 
 ```ts
 import type { Environment } from 'vitest'
 
@@ -33,6 +33,8 @@ export function getEnvPackageName(env: VitestEnvironment) {
     return null
   if (env in envPackageNames)
     return (envPackageNames as any)[env]
+  if (env[0] === '.' || env[0] === '/')
+    return null
   return `vitest-environment-${env}`
 }
Original file line number	Diff line number	Diff line change
`@@ -33,6 +33,8 @@ export function getEnvPackageName(env: VitestEnvironment) {`
`33`	`33`	`return null`
`34`	`34`	`if (env in envPackageNames)`
`35`	`35`	`return (envPackageNames as any)[env]`
	`36`	`+ if (env[0] === '.' \|\| env[0] === '/')`
	`37`	`+ return null`
`36`	`38`	return `vitest-environment-${env}`
`37`	`39`	`}`
`38`	`40`