Merge pull request #11 from prisma/fix/valid-exports-map

fix: Ensure that entries in export map point to existing files

package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
-  "types": "types/index.d.ts",
+  "types": "dist/index.d.ts",
   "homepage": "https://github.com/prisma/extension-read-replicas",
   "repository": {
     "type": "git",
@@ -18,11 +18,11 @@
     ".": {
       "require": {
         "default": "./dist/index.js",
-        "types": "./types/index.d.ts"
+        "types": "./dist/index.d.ts"
       },
       "import": {
         "default": "./dist/index.mjs",
-        "types": "./types/index.d.mts"
+        "types": "./dist/index.d.mts"
       }
     }
   },

tests/package.test.ts

@@ -1,5 +1,7 @@
 import execa from 'execa'
 import path from 'path'
+import fs from 'fs/promises'
+import pkg from '../package.json'
 
 function runFile(file: string) {
   return execa('node', [path.join(__dirname, file)])
@@ -12,3 +14,21 @@ test('common js module can be loaded', async () => {
 test('ES module can be loaded', async () => {
   await runFile('esm.mjs')
 })
+
+async function assertFileExists(filePath: string) {
+  const stat = await fs.stat(filePath)
+  expect(stat.isFile()).toBe(true)
+}
+
+test('entires in package json point to existing files', async () => {
+  await assertFileExists(pkg.main)
+  await assertFileExists(pkg.module)
+  await assertFileExists(pkg.types)
+  for (const exportDefinition of Object.values(pkg.exports)) {
+    for (const entry of Object.values(exportDefinition)) {
+      for (const filePath of Object.values(entry)) {
+        await assertFileExists(filePath)
+      }
+    }
+  }
+})