fix: avoid duplicating error message string using let in postprocessOutput

Copilot · mrlubos · commit ca7fbd80ece3 · 2026-04-04T10:18:41.000+02:00
Agent-Logs-Url: https://github.com/hey-api/openapi-ts/sessions/f7a80408-cf1a-4b31-9fdf-1881e5f8dc6f
diff --git a/packages/shared/src/config/output/postprocess.ts b/packages/shared/src/config/output/postprocess.ts
@@ -67,10 +67,11 @@ export function postprocessOutput(
     }
 
     if (result.status !== 0) {
+      let message = `Post-processor "${name}" exited with code ${result.status}`;
       const stderr = result.stderr?.toString().trim();
-      const message = stderr
-        ? `Post-processor "${name}" exited with code ${result.status}:\n${stderr}`
-        : `Post-processor "${name}" exited with code ${result.status}`;
+      if (stderr) {
+        message += `:\n${stderr}`;
+      }
       throw new Error(message);
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -67,10 +67,11 @@ export function postprocessOutput(`
`67`	`67`	`}`
`68`	`68`
`69`	`69`	`if (result.status !== 0) {`
	`70`	+ let message = `Post-processor "${name}" exited with code ${result.status}`;
`70`	`71`	`const stderr = result.stderr?.toString().trim();`
`71`		`- const message = stderr`
`72`		- ? `Post-processor "${name}" exited with code ${result.status}:\n${stderr}`
`73`		- : `Post-processor "${name}" exited with code ${result.status}`;
	`72`	`+ if (stderr) {`
	`73`	+ message += `:\n${stderr}`;
	`74`	`+ }`
`74`	`75`	`throw new Error(message);`
`75`	`76`	`}`
`76`	`77`	`}`