fix: remove empty keys from config key check (#3105)

* fix: remove empty keys from config key check

close #3104

* Update packages/config/src/index.ts

Co-authored-by: Zoltan Kochan <zkochan@users.noreply.github.com>

Co-authored-by: Zoltan Kochan <zkochan@users.noreply.github.com>

.changeset/proud-lies-shout.md

@@ -0,0 +1,5 @@
+---
+"@pnpm/config": patch
+---
+
+fix: remove empty keys from config key check

packages/config/src/index.ts

@@ -395,7 +395,7 @@ export default async (
   const settingKeys = Object.keys({
     ...npmConfig?.sources?.workspace?.data,
     ...npmConfig?.sources?.project?.data,
-  })
+  }).filter(key => key.trim() !== '')
   const unknownKeys = []
   for (const key of settingKeys) {
     if (!rcOptions.includes(key) && !key.startsWith('//') && !(key.startsWith('@') && key.endsWith(':registry'))) {

packages/config/test/index.ts

@@ -634,6 +634,7 @@ test('warn user unknown settings in npmrc', async () => {
   process.chdir(tmp)
   const npmrc = [
     'typo-setting=true',
+    ' ',
     'mistake-setting=false',
     '//foo.bar:_authToken=aaa',
     '@qar:registry=https://registry.example.org/',