fix: correct ws import types (#4)

Author: kettanaito

package.json

@@ -14,6 +14,7 @@
   "scripts": {
     "test": "vitest",
     "build": "tsup",
+    "postbuild": "./patch-ws-d-ts.sh",
     "prepack": "pnpm test && pnpm build",
     "release": "release publish"
   },
@@ -57,6 +58,6 @@
     "tsup": "^8.2.4",
     "typescript": "^5.5.4",
     "undici": "^6.19.8",
-    "vitest": "^2.0.5"
+    "vitest": "^3.1.2"
   }
-}
+}

patch-ws-d-ts.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# This is an ugly and terrible hack to allow proper interoperability of the `ws` module,
+# which is, sadly, a CommonJS module. The issue is that module publishes its types
+# nested under the `default` export, which breaks `esInterop` compatibility.
+
+FILE="./lib/ws.d.ts"
+
+if [ -f "$FILE" ]; then
+  sed -i '' 's/import \* as ws from '\''ws'\'';/import ws from '\''ws'\'';/g' "$FILE"
+fi

pnpm-lock.yaml

@@ -1,6 +1,6 @@
 import type { IncomingMessage } from 'node:http'
 import type { Socket } from 'node:net'
-import type EventEmitter from 'node:events'
+import type { EventEmitter } from 'node:events'
 import { randomUUID } from 'node:crypto'
 import { WebSocketServer } from 'ws'
 import { type ServerType } from '@hono/node-server'

src/ws.ts

@@ -2,11 +2,11 @@
   "compilerOptions": {
     "strict": true,
     "skipLibCheck": true,
-    "moduleDetection": "force",
     "noUncheckedIndexedAccess": true,
-    "verbatimModuleSyntax": true,
     "module": "nodenext",
     "moduleResolution": "nodenext",
+    "esModuleInterop": true,
+    "verbatimModuleSyntax": true,
     "types": ["node"]
   },
   "exclude": ["node_modules"]

tsconfig.base.json

@@ -3,6 +3,7 @@
   "compilerOptions": {
     "outDir": "./lib",
     "declaration": true,
+    "emitDeclarationOnly": true,
     "sourceMap": true
   }
 }

tsconfig.build.json

@@ -4,7 +4,7 @@ import { defineConfig } from 'tsup'
 export default defineConfig({
   entry: ['./src/http.ts', './src/ws.ts'],
   outDir: './lib',
-  format: ['esm'],
+  format: 'esm',
   dts: true,
   tsconfig: fileURLToPath(new URL('./tsconfig.build.json', import.meta.url)),
   clean: true,