fix(vitest): failed to load custom environment from js/ts file (#4255)

Co-authored-by: Vladimir <sleuths.slews0s@icloud.com>
vitest-dev · Oct 6, 2023 · da8d057 · da8d057
1 parent dc1e97d
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diff --git a/docs/guide/environment.md b/docs/guide/environment.md
@@ -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'

diff --git a/packages/vitest/src/integrations/env/index.ts b/packages/vitest/src/integrations/env/index.ts
@@ -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}`
 }