Use tsgo for local build/check, update @types/node

.changeset/fair-paws-cover.md

@@ -0,0 +1,6 @@
+---
+"@arethetypeswrong/core": patch
+"@arethetypeswrong/cli": patch
+---
+
+Update @types/node, use @typescript/native-preview for local build/check

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         with:
           node-version: 22
       - run: pnpm install --frozen-lockfile
-      - run: pnpm tsc
+      - run: pnpm tsgo
       - run: pnpm build
       - run: pnpm test
       - run: pnpm check-dts

package.json

@@ -7,18 +7,18 @@
   },
   "license": "MIT",
   "scripts": {
-    "tsc": "tsc -b",
-    "build": "pnpm tsc && pnpm -r build",
+    "tsgo": "tsgo -b",
+    "build": "pnpm tsgo && pnpm -r build",
     "format": "prettier --write \"**/*.{ts,json,css}\"",
     "test": "pnpm -r test",
-    "check-dts": "tsc -p tsconfig.check-dts.json",
+    "check-dts": "tsgo -p tsconfig.check-dts.json",
     "start": "pnpm --filter @arethetypeswrong/web start",
     "version": "changeset version && pnpm install --lockfile-only"
   },
   "devDependencies": {
     "@changesets/cli": "^2.27.8",
-    "prettier": "^3.0.3",
-    "typescript": "5.6.1-rc"
+    "@typescript/native-preview": "7.0.0-dev.20260527.2",
+    "prettier": "^3.0.3"
   },
   "engines": {
     "node": ">=22",

packages/cli/package.json

@@ -37,17 +37,17 @@
     "access": "public"
   },
   "scripts": {
-    "tsc": "tsc -b",
+    "tsgo": "tsgo -b",
     "local:install": "npm install -g .",
     "local:uninstall": "npm uninstall -g @arethetypeswrong/cli",
-    "test": "tsc -b test && node --test \"test/dist/**/*.test.js\"",
-    "prepack": "pnpm tsc"
+    "test": "tsgo -b test && node --test \"test/dist/**/*.test.js\"",
+    "prepack": "pnpm tsgo"
   },
   "type": "module",
   "devDependencies": {
     "@types/marked": "^5.0.0",
     "@types/marked-terminal": "^3.1.3",
-    "@types/node": "^22.5.0",
+    "@types/node": "^25.9.1",
     "@types/semver": "^7.5.3",
     "ts-expose-internals": "5.6.1-rc"
   },

packages/core/package.json

@@ -18,10 +18,10 @@
     "access": "public"
   },
   "scripts": {
-    "tsc": "tsc",
-    "test": "tsc -b test && node --test \"test/dist/**/*.test.js\"",
+    "tsgo": "tsgo",
+    "test": "tsgo -b test && node --test \"test/dist/**/*.test.js\"",
     "snapshot": "node scripts/createSnapshotFixture.js",
-    "prepack": "pnpm tsc"
+    "prepack": "pnpm tsgo"
   },
   "type": "module",
   "imports": {
@@ -60,7 +60,7 @@
     "validate-npm-package-name": "^5.0.0"
   },
   "devDependencies": {
-    "@types/node": "^22.5.0",
+    "@types/node": "^25.9.1",
     "@types/semver": "^7.5.0",
     "@types/validate-npm-package-name": "^4.0.0",
     "ts-expose-internals": "5.6.1-rc"

packages/core/src/createPackage.ts

@@ -300,7 +300,7 @@ function extractTarball(tarball: Uint8Array) {
     new Gunzip((chunk) => chunks.push(chunk)).push(tarball, /*final*/ true);
   } catch (err: any) {
     // this happens for zero-padded tarballs; can safely ignore
-    if (err.code != FlateErrorCode.InvalidHeader) {
+    if (err.code !== FlateErrorCode.InvalidHeader) {
       throw err;
     }
   }
@@ -310,7 +310,7 @@ function extractTarball(tarball: Uint8Array) {
     unzipped.set(chunk, offset);
     offset += chunk.length;
   }
-  const data = untar(unzipped);
+  const data = untar(unzipped.buffer);
   const prefix = data[0].filename.substring(0, data[0].filename.indexOf("/") + 1);
   const packageJsonText = data.find((f) => f.filename === `${prefix}package.json`)?.fileData;
   const packageJson = JSON.parse(new TextDecoder().decode(packageJsonText));

packages/history/package.json

@@ -28,18 +28,18 @@
     }
   },
   "scripts": {
-    "tsc": "tsc -b",
-    "build:scripts": "tsc -b scripts",
+    "tsgo": "tsgo -b",
+    "build:scripts": "tsgo -b scripts",
     "generate": "pnpm build:scripts && tsx scripts/generateFull.ts",
-    "prepublishOnly": "pnpm tsc && pnpm generate"
+    "prepublishOnly": "pnpm tsgo && pnpm generate"
   },
   "dependencies": {
     "@arethetypeswrong/core": "workspace:*"
   },
   "devDependencies": {
     "@azure/storage-blob": "^12.14.0",
     "@types/cli-progress": "^3.11.0",
-    "@types/node": "^22.5.0",
+    "@types/node": "^25.9.1",
     "@types/pacote": "^11.1.5",
     "@types/semver": "^7.5.0",
     "cli-progress": "^3.12.0",

packages/history/src/utils.js

@@ -45,7 +45,7 @@ export function getVersionsAtDateWithTypes(date, versionsByDate, data) {
 /**
  * @typedef {{
  *   packageName: string;
- *   fixedByVersion: string;
+ *   fixedByVersion: string | undefined;
  *   fixedByDate: string;
  * }} FixedPackage
  */

packages/history/tsconfig.json

@@ -5,6 +5,7 @@
     "checkJs": true,
     "declaration": true,
     "emitDeclarationOnly": true,
+    "rootDir": "src",
     "outDir": "lib",
     "types": ["node"]
   },

packages/web/package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "main": "index.js",
   "scripts": {
-    "tsc": "tsc -b",
+    "tsgo": "tsgo -b",
     "build": "vite build",
     "start": "vite dev"
   },
@@ -16,7 +16,8 @@
     "@arethetypeswrong/core": "workspace:*",
     "immer": "^9.0.21",
     "marked": "^5.1.0",
-    "nprogress": "^0.2.0"
+    "nprogress": "^0.2.0",
+    "typescript": "5.6.1-rc"
   },
   "devDependencies": {
     "@types/marked": "^5.0.0",

packages/web/tsconfig.json

@@ -6,7 +6,8 @@
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,
     "emitDeclarationOnly": true,
-    "outDir": "lib"
+    "outDir": "lib",
+    "noUncheckedSideEffectImports": false,
   },
   "include": ["src", "package.json"],
   "references": [