fix: incorrect extractProperties typings for known object

package.json

@@ -5,37 +5,6 @@
   "description": "Perform async work synchronously in Node.js using `worker_threads` with first-class TypeScript support.",
   "repository": "git+https://github.com/un-ts/synckit.git",
   "author": "JounQin (https://www.1stG.me) <admin@1stg.me>",
-  "donate": {
-    "recipients": [
-      {
-        "name": "unts",
-        "platform": "opencollective",
-        "address": "https://opencollective.com/unts",
-        "weight": 60
-      },
-      {
-        "name": "rxts",
-        "platform": "opencollective",
-        "address": "https://opencollective.com/rxts",
-        "weight": 20
-      },
-      {
-        "name": "1stG",
-        "email": "i@1stg.me",
-        "weight": 20,
-        "platforms": [
-          {
-            "platform": "opencollective",
-            "address": "https://opencollective.com/1stG"
-          },
-          {
-            "platform": "patreon",
-            "address": "https://www.patreon.com/1stG"
-          }
-        ]
-      }
-    ]
-  },
   "funding": "https://opencollective.com/unts",
   "license": "MIT",
   "packageManager": "yarn@1.22.19",
@@ -79,35 +48,36 @@
     "lint:tsc": "tsc --noEmit",
     "prepare": "patch-package && simple-git-hooks && yarn-deduplicate --strategy fewer || exit 0",
     "prerelease": "yarn build",
-    "release": "changeset publish",
+    "release": "clean-pkg-json && changeset publish",
     "test": "node --experimental-vm-modules node_modules/jest/bin/jest.js",
     "typecov": "type-coverage"
   },
   "dependencies": {
-    "@pkgr/utils": "^2.3.0",
+    "@pkgr/utils": "^2.3.1",
     "tslib": "^2.4.0"
   },
   "devDependencies": {
-    "@1stg/lib-config": "^9.0.2",
+    "@1stg/lib-config": "^10.2.1",
     "@changesets/changelog-github": "^0.4.6",
-    "@changesets/cli": "^2.23.2",
+    "@changesets/cli": "^2.24.3",
     "@swc-node/register": "^1.5.1",
-    "@types/jest": "^28.1.5",
-    "@types/node": "^18.0.4",
-    "deasync": "^0.1.27",
+    "@types/jest": "^28.1.8",
+    "@types/node": "^18.7.13",
+    "clean-pkg-json": "^1.2.0",
+    "deasync": "^0.1.28",
     "esbuild-register": "^3.3.3",
     "esbuild-runner": "^2.2.1",
     "execa": "^6.1.0",
-    "jest": "^28.1.3",
+    "jest": "^29.0.1",
     "patch-package": "^6.4.7",
     "sync-threads": "^1.0.1",
     "ts-expect": "^1.3.0",
-    "ts-jest": "^28.0.6",
+    "ts-jest": "^28.0.8",
     "ts-node": "^10.9.1",
-    "tsx": "^3.8.0",
+    "tsx": "^3.8.2",
     "type-coverage": "^2.22.0",
-    "typescript": "^4.7.4",
-    "yarn-deduplicate": "^5.0.0"
+    "typescript": "^4.8.2",
+    "yarn-deduplicate": "^6.0.0"
   },
   "resolutions": {
     "prettier": "^2.7.1"

src/index.ts

@@ -76,9 +76,11 @@ export interface SynckitOptions {
 // MessagePort doesn't copy the properties of Error objects. We still want
 // error objects to have extra properties such as "warnings" so implement the
 // property copying manually.
-export const extractProperties = <T>(object?: T): T | undefined => {
+export function extractProperties<T extends object>(object: T): T
+export function extractProperties<T>(object?: T): T | undefined
+export function extractProperties<T>(object?: T) {
   if (object && typeof object === 'object') {
-    const properties = {} as unknown as T
+    const properties = {} as T
     for (const key in object) {
       properties[key as keyof T] = object[key]
     }

test/fixtures/yarn-pnp/.yarnrc.yml

@@ -1,3 +1,5 @@
 nodeLinker: pnp
+
 pnpEnableEsmLoader: true
-yarnPath: .yarn/releases/yarn-3.2.2.cjs
+
+yarnPath: .yarn/releases/yarn-3.2.3.cjs

test/fixtures/yarn-pnp/package.json

@@ -3,6 +3,6 @@
   "version": "1.0.0",
   "type": "module",
   "license": "MIT",
-  "packageManager": "yarn@3.2.2",
+  "packageManager": "yarn@3.2.3",
   "main": "index.js"
 }