From 52228fd785893cc2065c39310a8f6f52076ac21f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 10:04:43 +0000
Subject: [PATCH 1/5] Initial plan


From 59da77d6cc272017bc12622cd168497cde72fe88 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 10:11:04 +0000
Subject: [PATCH 2/5] Resolve runtimeConfigPath relative to output directory

Co-authored-by: mrlubos <12529395+mrlubos@users.noreply.github.com>
---
 .../plugins/@hey-api/client-core/client.ts    | 20 +++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
index c2578ab3a3..6917a342e2 100644
--- a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
+++ b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
@@ -1,3 +1,5 @@
+import path from 'node:path';
+
 import { parseUrl } from '@hey-api/shared';
 
 import { getTypedConfig } from '../../../config/utils';
@@ -41,9 +43,23 @@ export const createClient: PluginHandler = ({ plugin }) => {
   });
 
   const { runtimeConfigPath } = plugin.config;
-  const symbolCreateClientConfig = runtimeConfigPath
+  let resolvedRuntimeConfigPath: string | undefined;
+  if (runtimeConfigPath) {
+    const config = getTypedConfig(plugin);
+    const outputPath = config.output.path;
+    // Resolve the runtimeConfigPath from the current working directory
+    const absoluteRuntimeConfigPath = path.resolve(process.cwd(), runtimeConfigPath);
+    // Calculate the relative path from the output directory to the runtime config file
+    resolvedRuntimeConfigPath = path.relative(outputPath, absoluteRuntimeConfigPath);
+    // Ensure the path uses forward slashes and starts with ./ or ../
+    resolvedRuntimeConfigPath = resolvedRuntimeConfigPath.split(path.sep).join('/');
+    if (!resolvedRuntimeConfigPath.startsWith('.')) {
+      resolvedRuntimeConfigPath = `./${resolvedRuntimeConfigPath}`;
+    }
+  }
+  const symbolCreateClientConfig = resolvedRuntimeConfigPath
     ? plugin.symbol('createClientConfig', {
-        external: runtimeConfigPath,
+        external: resolvedRuntimeConfigPath,
       })
     : undefined;
 

From fb60f3f667a009a0ad446ce9984a73cff2b502ef Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 10:15:34 +0000
Subject: [PATCH 3/5] Update path resolution logic for runtimeConfigPath

Handle both absolute/CWD-relative paths and output-relative paths properly

Co-authored-by: mrlubos <12529395+mrlubos@users.noreply.github.com>
---
 .../plugins/@hey-api/client-core/client.ts    | 24 ++++++++++++-------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
index 6917a342e2..4f593e8ac1 100644
--- a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
+++ b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
@@ -47,14 +47,22 @@ export const createClient: PluginHandler = ({ plugin }) => {
   if (runtimeConfigPath) {
     const config = getTypedConfig(plugin);
     const outputPath = config.output.path;
-    // Resolve the runtimeConfigPath from the current working directory
-    const absoluteRuntimeConfigPath = path.resolve(process.cwd(), runtimeConfigPath);
-    // Calculate the relative path from the output directory to the runtime config file
-    resolvedRuntimeConfigPath = path.relative(outputPath, absoluteRuntimeConfigPath);
-    // Ensure the path uses forward slashes and starts with ./ or ../
-    resolvedRuntimeConfigPath = resolvedRuntimeConfigPath.split(path.sep).join('/');
-    if (!resolvedRuntimeConfigPath.startsWith('.')) {
-      resolvedRuntimeConfigPath = `./${resolvedRuntimeConfigPath}`;
+
+    // If the path starts with './' or '/' (absolute or relative to CWD),
+    // resolve it from the current working directory and make it relative to output
+    if (runtimeConfigPath.startsWith('./') || path.isAbsolute(runtimeConfigPath)) {
+      // Resolve the runtimeConfigPath from the current working directory
+      const absoluteRuntimeConfigPath = path.resolve(process.cwd(), runtimeConfigPath);
+      // Calculate the relative path from the output directory to the runtime config file
+      resolvedRuntimeConfigPath = path.relative(outputPath, absoluteRuntimeConfigPath);
+      // Ensure the path uses forward slashes and starts with ./ or ../
+      resolvedRuntimeConfigPath = resolvedRuntimeConfigPath.split(path.sep).join('/');
+      if (!resolvedRuntimeConfigPath.startsWith('.')) {
+        resolvedRuntimeConfigPath = `./${resolvedRuntimeConfigPath}`;
+      }
+    } else {
+      // Path is already relative to output (e.g., '../hey-api'), use it as-is
+      resolvedRuntimeConfigPath = runtimeConfigPath;
     }
   }
   const symbolCreateClientConfig = resolvedRuntimeConfigPath

From e629cb14a31a9673ab656acb038a45024f3bdc62 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 10:20:56 +0000
Subject: [PATCH 4/5] Address code review feedback on path resolution

- Only resolve paths starting with './' or absolute paths
- Paths starting with '../' are kept as-is (already relative to output)
- Use path.resolve() without process.cwd() for cleaner code

Co-authored-by: mrlubos <12529395+mrlubos@users.noreply.github.com>
---
 .../openapi-ts/src/plugins/@hey-api/client-core/client.ts   | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
index 4f593e8ac1..e2908b5afa 100644
--- a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
+++ b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
@@ -48,11 +48,11 @@ export const createClient: PluginHandler = ({ plugin }) => {
     const config = getTypedConfig(plugin);
     const outputPath = config.output.path;
 
-    // If the path starts with './' or '/' (absolute or relative to CWD),
+    // If the path starts with './' or is absolute,
     // resolve it from the current working directory and make it relative to output
     if (runtimeConfigPath.startsWith('./') || path.isAbsolute(runtimeConfigPath)) {
       // Resolve the runtimeConfigPath from the current working directory
-      const absoluteRuntimeConfigPath = path.resolve(process.cwd(), runtimeConfigPath);
+      const absoluteRuntimeConfigPath = path.resolve(runtimeConfigPath);
       // Calculate the relative path from the output directory to the runtime config file
       resolvedRuntimeConfigPath = path.relative(outputPath, absoluteRuntimeConfigPath);
       // Ensure the path uses forward slashes and starts with ./ or ../
@@ -61,7 +61,7 @@ export const createClient: PluginHandler = ({ plugin }) => {
         resolvedRuntimeConfigPath = `./${resolvedRuntimeConfigPath}`;
       }
     } else {
-      // Path is already relative to output (e.g., '../hey-api'), use it as-is
+      // Path is already relative to output (e.g., '../hey-api' or 'my-config'), use it as-is
       resolvedRuntimeConfigPath = runtimeConfigPath;
     }
   }

From df48dba0207b76c0782979fb59b29a461aa92beb Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 14 Feb 2026 10:22:35 +0000
Subject: [PATCH 5/5] Add comprehensive comments explaining path resolution
 strategy

Co-authored-by: mrlubos <12529395+mrlubos@users.noreply.github.com>
---
 .../openapi-ts/src/plugins/@hey-api/client-core/client.ts  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
index e2908b5afa..977d22707b 100644
--- a/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
+++ b/packages/openapi-ts/src/plugins/@hey-api/client-core/client.ts
@@ -48,8 +48,11 @@ export const createClient: PluginHandler = ({ plugin }) => {
     const config = getTypedConfig(plugin);
     const outputPath = config.output.path;
 
-    // If the path starts with './' or is absolute,
-    // resolve it from the current working directory and make it relative to output
+    // Path resolution strategy:
+    // - Paths starting with './' or absolute paths are assumed to be relative to CWD (project root)
+    //   and need to be resolved to be relative to the output directory
+    // - Paths starting with '../' or without './' prefix are assumed to be already relative
+    //   to the output directory and are used as-is
     if (runtimeConfigPath.startsWith('./') || path.isAbsolute(runtimeConfigPath)) {
       // Resolve the runtimeConfigPath from the current working directory
       const absoluteRuntimeConfigPath = path.resolve(runtimeConfigPath);