fix: handle preserveEntrySignatures correctly

Author: stipsan

playground/next-sanity-repro/package.config.ts

@@ -0,0 +1,5 @@
+import {defineConfig} from '@sanity/pkg-utils'
+
+export default defineConfig({
+  tsconfig: 'tsconfig.dist.json',
+})

playground/next-sanity-repro/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "next-sanity-repro",
+  "version": "0.0.0-development",
+  "private": true,
+  "license": "MIT",
+  "sideEffects": false,
+  "type": "module",
+  "exports": {
+    ".": {
+      "source": "./src/index.ts",
+      "default": "./dist/index.js"
+    },
+    "./hooks": {
+      "source": "./src/hooks/index.ts",
+      "default": "./dist/hooks.js"
+    },
+    "./package.json": "./package.json"
+  },
+  "main": "./dist/index.cjs",
+  "types": "./dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "pkg build --strict --check --clean",
+    "clean": "rimraf dist",
+    "typecheck": "tsc"
+  },
+  "browserslist": "extends @sanity/browserslist-config",
+  "dependencies": {
+    "@sanity/client": "catalog:",
+    "@sanity/next-loader": "latest",
+    "@sanity/visual-editing": "latest"
+  }
+}

playground/next-sanity-repro/src/hooks/index.ts

@@ -0,0 +1,2 @@
+export * from '@sanity/next-loader/hooks'
+export {useOptimistic} from '@sanity/visual-editing/react'

playground/next-sanity-repro/src/index.ts

@@ -0,0 +1 @@
+export {createClient, unstable__adapter, unstable__environment} from '@sanity/client'

playground/next-sanity-repro/tsconfig.dist.json

@@ -0,0 +1,4 @@
+{
+  "extends": ["./tsconfig.settings", "@sanity/pkg-utils/tsconfig/isolated-declarations.json"],
+  "include": ["./src"]
+}

playground/next-sanity-repro/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.settings",
+  "include": ["./package.config.ts", "./src"]
+}

playground/next-sanity-repro/tsconfig.settings.json

@@ -0,0 +1,7 @@
+{
+  "extends": "@sanity/pkg-utils/tsconfig/strictest.json",
+  "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "dist"
+  }
+}

pnpm-lock.yaml

@@ -247,6 +247,27 @@ export {
 "
 `;
 
+exports[`should build \`next-sanity-repro\` package > ./dist/hooks.js 1`] = `
+"export * from "@sanity/next-loader/hooks";
+import { useOptimistic } from "@sanity/visual-editing/react";
+export {
+  useOptimistic
+};
+//# sourceMappingURL=hooks.js.map
+"
+`;
+
+exports[`should build \`next-sanity-repro\` package > ./dist/index.js 1`] = `
+"import { createClient, unstable__adapter, unstable__environment } from "@sanity/client";
+export {
+  createClient,
+  unstable__adapter,
+  unstable__environment
+};
+//# sourceMappingURL=index.js.map
+"
+`;
+
 exports[`should build \`react-18\` package > ./dist/index.d.ts 1`] = `
 "import {ForwardRefExoticComponent, HTMLProps, RefAttributes} from 'react'
 

test/__snapshots__/cli.test.ts.snap

@@ -576,6 +576,35 @@ test.skipIf(isWindows)('should build `sanity-plugin-with-vanilla-extract` packag
   await project.remove()
 })
 
+test.skipIf(isWindows)('should build `next-sanity-repro` package', async () => {
+  const project = await spawnProject('next-sanity-repro')
+
+  await project.install()
+
+  await project.run('build')
+
+  const [distHooksJs, distIndexJs] = await Promise.all([
+    project.readFile('dist/hooks.js'),
+    project.readFile('dist/index.js'),
+  ])
+
+  // The dist/index.js should import from `@sanity/client`
+  expect(distIndexJs).toContain(`from "@sanity/client"`)
+
+  // The dist/hooks.js should import from `@sanity/next-loader/hooks` and `@sanity/visual-editing/react`
+  expect(distHooksJs).toContain(`from "@sanity/next-loader/hooks"`)
+  expect(distHooksJs).toContain(`from "@sanity/visual-editing/react"`)
+
+  // The dist/index.js should not contain any references to imports from /hooks
+  expect(distIndexJs).not.toContain(`import "@sanity/next-loader/hooks"`)
+  expect(distIndexJs).not.toContain(`import "@sanity/visual-editing/react"`)
+
+  expect(distHooksJs).toMatchSnapshot('./dist/hooks.js')
+  expect(distIndexJs).toMatchSnapshot('./dist/index.js')
+
+  await project.remove()
+})
+
 describe.skip('runtime: next.js', () => {
   test('import `dist/*.browser.js` from package', async () => {
     const exportsDummy = await spawnProject('dummy-module')