TS7 stable with tsdown latest to match (#73)

Author: jbolda

.changeset/itchy-trams-wait.md

@@ -0,0 +1,5 @@
+---
+"@bomb.sh/tools": minor
+---
+
+Update to TypeScript v7 stable. Also updated tsdown to the latest for compatibility with `typescript@7`.

README.md

@@ -9,7 +9,7 @@ If you'd like to use this package for your own projects, please consider forking
 - `bsh build` command, using [`tsdown`](https://tsdown.dev/) (ESM, unbundled, types by default) with [`publint`](https://publint.dev/) as a publish gate
 - `bsh test` command, using [`vitest`](https://vitest.dev/)
 - `bsh format` command, using [`oxfmt`](https://oxc.rs/docs/guide/usage/formatter)
-- `bsh lint` command, using [`oxlint`](https://oxc.rs/docs/guide/usage/linter), [`knip`](https://knip.dev), [`tsgo`](https://npmx.dev/@typescript/native-preview)
+- `bsh lint` command, using [`oxlint`](https://oxc.rs/docs/guide/usage/linter), [`knip`](https://knip.dev), and TypeScript
 - `bsh publint` command, using [`publint`](https://publint.dev/) (also runs automatically as a publish gate in `bsh build`)
 - `bsh sync` command, which links our shared [agent skills](#agent-skills) into your project
 - shared `tsconfig.json` file

package.json

@@ -63,23 +63,23 @@
     "@bomb.sh/args": "^0.3.1",
     "@humanfs/node": "^0.16.7",
     "@humanfs/types": "^0.15.0",
-    "@typescript/native-preview": "7.0.0-dev.20260623.1",
     "knip": "^6.9.0",
     "oxfmt": "^0.74.0",
     "oxlint": "^1.89.0",
     "publint": "^0.3.18",
     "tinyexec": "^1.1.1",
-    "tsdown": "^0.22.3",
+    "tsdown": "^0.23.1",
+    "typescript": "^7.0.2",
     "vitest": "^5.0.5",
     "vitest-ansi-serializer": "^0.3.1",
     "yaml": "^2.9.1"
   },
   "devDependencies": {
     "@changesets/cli": "^2.30.0",
-    "@types/node": "^22.19.15"
+    "@types/node": "^22.20.5"
   },
   "volta": {
-    "node": "22.14.0"
+    "node": "22.23.4"
   },
   "packageManager": "pnpm@10.34.3",
   "pnpm": {}

pnpm-lock.yaml

@@ -32,7 +32,7 @@ pnpm run build
 - **Sourcemaps:** enabled
 - **Clean:** removes dist/ before building
 - **Unbundled** by default (each source file produces one output file)
-- **Types:** `.d.mts` declarations generated by default (via tsgo)
+- **Types:** `.d.mts` declarations generated by default
 - **Entry:** defaults to `src/**/*.ts`
 - **Config:** explicitly disabled (`config: false`) — tsdown.config.ts is ignored
 

skills/build/SKILL.md

@@ -27,7 +27,7 @@ All scripts proxy to `bsh <command>` via `package.json`. Never bypass them.
 | `pnpm run build`     | `bsh build`  | Build with tsdown (ESM, sourcemaps, clean) |
 | `pnpm run dev`       | `bsh dev`    | Watch mode with native Node TS transforms  |
 | `pnpm run format`    | `bsh format` | Format with oxfmt                          |
-| `pnpm run lint`      | `bsh lint`   | Parallel: oxlint + knip + tsgo             |
+| `pnpm run lint`      | `bsh lint`   | Parallel: oxlint + knip + tsc              |
 | `pnpm run test`      | `bsh test`   | Run tests with vitest (single run)         |
 | `pnpm run init`      | `bsh init`   | Scaffold new project from template         |
 
@@ -156,7 +156,7 @@ These are hard rules. Violating any of them is a failed task.
 | `npx oxfmt` / `pnpm exec oxfmt`             | `pnpm run format`                   |
 | `npx tsdown` / `pnpm exec tsdown`           | `pnpm run build`                    |
 | `npx knip` / `pnpm exec knip`               | `pnpm run lint`                     |
-| `npx tsc` / `tsgo` directly                 | `pnpm run lint` (includes type checking) |
+| `npx tsc` directly                         | `pnpm run lint` (includes type checking) |
 | `require()`, `module.exports`               | ESM `import` / `export`             |
 | Implement before writing tests               | Write tests first (RED→GREEN)       |
 | Claim "tests pass" without running them      | Always run `pnpm run test`          |
@@ -170,7 +170,7 @@ Agents default to `npx`. Bombshell projects always use `pnpm run` for local scri
 
 ### CRITICAL: Running underlying tools directly
 
-Never call `tsdown`, `vitest`, `oxlint`, `knip`, `oxfmt`, or `tsgo` directly. The `bsh` wrapper configures flags, paths, and parallelism. Bypassing it produces wrong behavior.
+Never call `tsdown`, `vitest`, `oxlint`, `knip`, `oxfmt`, or `tsc` directly. The `bsh` wrapper configures flags, paths, and parallelism. Bypassing it produces wrong behavior.
 
 ### CRITICAL: Using npm, yarn, or bun
 
@@ -182,7 +182,7 @@ Always write or update tests before implementation. The RED→GREEN cycle is not
 
 ### HIGH: Running tsc directly for type checking
 
-`pnpm run lint` runs `tsgo --noEmit` as part of its parallel pipeline. Do not run `tsc` or `tsgo` separately — the lint command handles it.
+`pnpm run lint` runs `tsc --noEmit` as part of its parallel pipeline. Do not run `tsc` separately — the lint command handles it.
 
 ### HIGH: Full autopilot PR creation
 

skills/lifecycle/SKILL.md

@@ -1,7 +1,7 @@
 ---
 name: lint
 description: >
-  Multi-tool linting pipeline: oxlint, knip, and tsgo run in parallel via
+  Multi-tool linting pipeline: oxlint, knip, and tsc run in parallel via
   pnpm run lint (publint gates pnpm run build instead). Covers Bombshell
   conventions: URL over node:path, max 2 params with options bag, named
   exports only, import type, prefer node builtins, no console.log, no
@@ -21,7 +21,7 @@ metadata:
 
 # Lint
 
-Multi-tool linting pipeline. oxlint, knip, and tsgo run in parallel with unified output.
+Multi-tool linting pipeline. oxlint, knip, and tsc run in parallel with unified output.
 
 ## Setup
 
@@ -34,7 +34,7 @@ pnpm run lint -- src/foo.ts        # Target specific files (default: whole proje
 pnpm -s run lint -- --format json  # Machine-readable report for agents/CI
 ```
 
-Do not run oxlint, knip, or tsgo directly. Always use `pnpm run lint`.
+Do not run oxlint, knip, or tsc directly. Always use `pnpm run lint`.
 (`--format json` needs `pnpm -s` to keep pnpm's banner out of stdout.)
 
 See [lifecycle/SKILL.md](../lifecycle/SKILL.md) for where lint fits in the development workflow (step 3: after tests pass, before format). Run `--strict` at PR handoff, not during the TDD loop.
@@ -47,7 +47,7 @@ See [lifecycle/SKILL.md](../lifecycle/SKILL.md) for where lint fits in the devel
 |------|---------------|-------------|
 | **oxlint** | JS/TS linting via Rust-based engine with Bombshell config | Yes (`--fix`) |
 | **knip** | Unused dependencies/devDependencies (always); unused exports, types, files (`--strict` only) | No |
-| **tsgo** | TypeScript type errors (`--noEmit`, project mode) | No |
+| **tsc** | TypeScript type errors (`--noEmit`, project mode) | No |
 
 Results merge into a single report grouped by file. **Errors print in full;
 warnings collapse to a per-rule count** (they never affect the exit code —

skills/lint/SKILL.md

@@ -59,7 +59,7 @@ These apply in addition to individual rules:
 | Tool | Where it runs | What It Catches |
 |------|---------------|-----------------|
 | **knip** | `bsh lint` | Unused dependencies/devDependencies (always); unused exports/types/files (`--strict` only) |
-| **tsgo** | `bsh lint` | TypeScript type errors (`--noEmit`, project mode) |
+| **tsc** | `bsh lint` | TypeScript type errors (`--noEmit`, project mode) |
 | **publint** | `bsh build` (publish gate) and `bsh publint` | Incorrect `package.json` exports, missing types, invalid fields (strict mode) |
 
 publint does not run in `bsh lint` — its file-existence checks need `dist/`,

skills/lint/references/lint-rules.md

@@ -19,7 +19,7 @@ export async function build(ctx: CommandContext) {
 			sourcemap: true,
 			clean: true,
 			unbundle: !args.bundle,
-			dts: args.dts === false ? false : { tsgo: true },
+			dts: args.dts !== false,
 			minify: args.minify,
 		});
 	} catch (error) {

src/commands/build.ts

@@ -207,15 +207,15 @@ export async function runKnip(options?: { strict?: boolean }): Promise<Violation
 
 async function runTypeScript(targets: string[]): Promise<Violation[]> {
 	// Always run in project mode: passing files on the command line makes
-	// tsgo skip the tsconfig (TS5112). Explicit targets filter the report
-	// after the fact instead.
-	const result = await x(local('tsgo'), ['--noEmit', '--pretty', 'false'], {
+	// tsc skip the tsconfig (TS5112), so explicit targets
+	// filter the report after the fact instead.
+	const result = await x(local('tsc'), ['--noEmit', '--pretty', 'false'], {
 		throwOnError: false,
 	});
 	const output = result.stdout + result.stderr;
 	if (!output.trim()) {
 		if (result.exitCode !== 0)
-			throw new ToolsError(`tsgo exited with code ${result.exitCode}`, 'tsgo-exit');
+			throw new ToolsError(`tsc exited with code ${result.exitCode}`, 'tsc-exit');
 		return [];
 	}