Try to start typechecking tests

lib/index.js

@@ -483,10 +483,10 @@ function initDB(peer, config) {
   }
 
   /**
-   * @param {CB<void>} cb
+   * @param {CB<void> | void} cb
    */
   function loaded(cb) {
-    if (cb === void 0) return promisify(loaded)()
+    if (!cb) return promisify(loaded)()
     return scannedLog.onDone(() => {
       ghosts.onReady(cb)
     })

package.json

@@ -16,7 +16,7 @@
   ],
   "types": "types/index.d.ts",
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "exports": {
     ".": {
@@ -49,6 +49,7 @@
   },
   "devDependencies": {
     "@types/b4a": "^1.6.0",
+    "@types/node": "^20.0.0",
     "@types/pull-stream": "^3.6.7",
     "c8": "^7.11.0",
     "flumecodec": "~0.0.1",

test/account-add.test.js

@@ -6,7 +6,6 @@ const os = require('node:os')
 const rimraf = require('rimraf')
 const Keypair = require('pzp-keypair')
 const { createPeer } = require('./util')
-const MsgV4 = require('../lib/msg-v4')
 
 const DIR = path.join(os.tmpdir(), 'pzp-db-account-add')
 rimraf.sync(DIR)

test/util.js

@@ -1,9 +1,32 @@
+/**
+ * @typedef {ReturnType<import('pzp-db').init>} PZPDB
+ * @typedef {import('node:events').EventEmitter} Emitter
+ * @typedef {{ pubkey: string }} SHSE
+ */
+
+
+/**
+ * @typedef {Emitter & {
+ *   db: PZPDB,
+ *   shse: SHSE
+ *   close(cb: () => void): void
+ * }} Peer
+ */
+
+/**
+ * @param {unknown} globalConfig
+ * @returns {Peer}
+ */
 function createPeer(globalConfig) {
+  // @ts-ignore
   return require('secret-stack/bare')()
+    // @ts-ignore
     .use(require('secret-stack/plugins/net'))
     .use(require('secret-handshake-ext/secret-stack'))
     .use(require('../lib'))
+    // @ts-ignore
     .use(require('ssb-box'))
+    // @ts-ignore
     .call(null, { shse: { caps: require('pzp-caps') }, global: globalConfig })
 }
 

tsconfig.json

@@ -1,12 +1,12 @@
 {
   "include": [
     "declarations",
-    "lib/**/*.js"
+    "lib/**/*.js",
+    "test/"
   ],
   "exclude": [
     "coverage/",
-    "node_modules/",
-    "test/"
+    "node_modules/"
   ],
   "compilerOptions": {
     "checkJs": true,