fix(typecheck): use unique temp and tsbuildinfo file for each tsconfig file (fix #7107) (#7112)

Author: masnormen

packages/vitest/src/typecheck/parse.ts

@@ -75,9 +75,13 @@ export async function getTsconfig(root: string, config: TypecheckConfig) {
     throw new Error('no tsconfig.json found')
   }
 
+  const tsconfigName = basename(tsconfig.path, '.json')
+  const tempTsConfigName = `${tsconfigName}.vitest-temp.json`
+  const tempTsbuildinfoName = `${tsconfigName}.tmp.tsbuildinfo`
+
   const tempConfigPath = join(
     dirname(tsconfig.path),
-    'tsconfig.vitest-temp.json',
+    tempTsConfigName,
   )
 
   try {
@@ -88,15 +92,15 @@ export async function getTsconfig(root: string, config: TypecheckConfig) {
     tmpTsConfig.compilerOptions.incremental = true
     tmpTsConfig.compilerOptions.tsBuildInfoFile = join(
       process.versions.pnp ? join(os.tmpdir(), 'vitest') : __dirname,
-      'tsconfig.tmp.tsbuildinfo',
+      tempTsbuildinfoName,
     )
 
     const tsconfigFinalContent = JSON.stringify(tmpTsConfig, null, 2)
     await writeFile(tempConfigPath, tsconfigFinalContent)
     return { path: tempConfigPath, config: tmpTsConfig }
   }
   catch (err) {
-    throw new Error('failed to write tsconfig.temp.json', { cause: err })
+    throw new Error(`failed to write ${tempTsConfigName}`, { cause: err })
   }
 }
 

test/typescript/test/__snapshots__/runner.test.ts.snap

@@ -96,7 +96,7 @@ Vitest caught 1 unhandled error during the test run.
 This might cause false positive tests. Resolve unhandled errors to make sure your tests are not affected.
 
 ⎯⎯⎯⎯⎯⎯ Typecheck Error ⎯⎯⎯⎯⎯⎯⎯
-Error: error TS18003: No inputs were found in config file '<root>/tsconfig.vitest-temp.json'. Specified 'include' paths were '["src"]' and 'exclude' paths were '["**/dist/**"]'.
+Error: error TS18003: No inputs were found in config file '<root>/tsconfig.empty.vitest-temp.json'. Specified 'include' paths were '["src"]' and 'exclude' paths were '["**/dist/**"]'.
 
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