From 0dd60e2a3924bbc116e020d6854884e1d61607ea Mon Sep 17 00:00:00 2001
From: Danila Poyarkov <dev@dannote.net>
Date: Mon, 31 Aug 2026 13:33:38 +0300
Subject: [PATCH] fix(release): strip source conditions from publish manifests

---
 tools/release-packages/src/publish-dirs.ts        | 13 +++++++++++++
 tools/release-packages/tests/publish-dirs.test.ts |  4 ++++
 2 files changed, 17 insertions(+)

diff --git a/tools/release-packages/src/publish-dirs.ts b/tools/release-packages/src/publish-dirs.ts
index 5d2996da8..8bb52422d 100644
--- a/tools/release-packages/src/publish-dirs.ts
+++ b/tools/release-packages/src/publish-dirs.ts
@@ -62,8 +62,21 @@ async function copyRecursive(from: string, to: string): Promise<void> {
   await copyFile(from, to)
 }
 
+function removeUnpublishedConditions(value: unknown): void {
+  if (!value || typeof value !== 'object') return
+  if (Array.isArray(value)) {
+    for (const item of value) removeUnpublishedConditions(item)
+    return
+  }
+  const record = value as Record<string, unknown>
+  delete record.bun
+  for (const child of Object.values(record)) removeUnpublishedConditions(child)
+}
+
 export function publishPackageJSON(source: PackageJSON, coreVersion: string): PackageJSON {
   const json = structuredClone(source)
+  removeUnpublishedConditions(json.exports)
+  removeUnpublishedConditions(json.imports)
 
   for (const field of PACKAGE_FIELDS) {
     const dependencies = json[field]
diff --git a/tools/release-packages/tests/publish-dirs.test.ts b/tools/release-packages/tests/publish-dirs.test.ts
index ccf314a33..03439facb 100644
--- a/tools/release-packages/tests/publish-dirs.test.ts
+++ b/tools/release-packages/tests/publish-dirs.test.ts
@@ -21,6 +21,7 @@ async function fixtureRoot() {
         version: '1.0.0',
         scripts: { build: 'tsdown' },
         dependencies: { '@open-pencil/core': 'workspace:*', zod: '^4.0.0' },
+        exports: { '.': { bun: './src/index.ts', import: './dist/index.js' } },
         devDependencies: { typescript: '^5.0.0' },
         publishConfig: { access: 'public', main: './dist/index.js', types: './dist/index.d.ts' }
       },
@@ -38,6 +39,7 @@ describe('publishPackageJSON', () => {
         name: '@open-pencil/example',
         scripts: { build: 'tsdown' },
         dependencies: { '@open-pencil/core': 'workspace:*', zod: '^4.0.0' },
+        exports: { '.': { bun: './src/index.ts', import: './dist/index.js' } },
         devDependencies: { typescript: '^5.0.0' },
         publishConfig: { access: 'public', main: './dist/index.js' }
       },
@@ -47,6 +49,7 @@ describe('publishPackageJSON', () => {
     expect(json).toEqual({
       name: '@open-pencil/example',
       dependencies: { '@open-pencil/core': '^0.13.2', zod: '^4.0.0' },
+      exports: { '.': { import: './dist/index.js' } },
       main: './dist/index.js'
     })
   })
@@ -86,6 +89,7 @@ describe('preparePublishDirectories', () => {
       name: '@open-pencil/example',
       version: '1.0.0',
       dependencies: { '@open-pencil/core': '^0.13.2', zod: '^4.0.0' },
+      exports: { '.': { import: './dist/index.js' } },
       main: './dist/index.js',
       types: './dist/index.d.ts'
     })