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e2b-dev--e2b/packages/cli/package.json
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Mish Ushakov 0bd06d86d2 chore(js-sdk,cli): modernize tsconfig and adopt TypeScript 7 (side-by-side) (#1536)
Supersedes #1516 (same modernization at TypeScript 6.0). Rebased onto
`main` now that the build runs on **tsdown** (#1515).

## What & why

Adopt **TypeScript 7** for both packages and modernize the compiler
config.

TypeScript 7.0's native compiler [ships no programmatic API
yet](https://devblogs.microsoft.com/typescript/announcing-typescript-7-0/#running-side-by-side-with-typescript-6.0)
(it lands in 7.1), so anything built on the TS compiler API breaks on it
— here that's tsdown's `.d.ts` generation and the codegen scripts
(`openapi-typescript`, `json-schema-to-typescript`). Per the official
guidance, TS 7 is installed **side-by-side** with TS 6:

```json
"@typescript/native": "npm:typescript@^7.0.2",      // native tsc — used for type-checking
"typescript": "npm:@typescript/typescript6@^6.0.2"  // TS6 w/ compiler API — used by tooling
```

- `tsc --noEmit` (typecheck) → **native TypeScript 7.0.2** (verified:
`tsc --version` → 7.0.2)
- `import 'typescript'` → **TypeScript 6.0** *with* the compiler API →
tsdown dts + codegen keep working
- Bonus: tsdown's dts no longer prints the "TypeScript 7.0 does not yet
have a stable API and is experimental" warning (it's on the 6.0 API now)

**Internal build-config change only — no public API or runtime behavior
changes.**

## Compiler options: before → after

### `packages/js-sdk/tsconfig.json`
| option | before | after |
|---|---|---|
| `target` | `es6` | `es2022` |
| `lib` | `["dom","ESNext"]` | `["dom","es2022"]` |
| `module` | _(unset)_ | `esnext` |
| `moduleResolution` | `node` | `bundler` |
| `allowJs` | `true` | **removed** (no `.js` sources) |
| `allowSyntheticDefaultImports` | `true` | **removed** (implied by
`esModuleInterop`) |
| `useDefineForClassFields` | _(false, implied by es6)_ | **`false` (now
explicit)** — see note |

### `packages/cli/tsconfig.json`
| option | before | after |
|---|---|---|
| `moduleResolution` | `node` | `bundler` |
| `strictNullChecks`, `strictFunctionTypes`, `strictBindCallApply`,
`strictPropertyInitialization`, `noImplicitThis`, `alwaysStrict` |
`true` | **removed** (implied by `strict`) |
| `downlevelIteration` | `true` | **removed** (removed in TS 7; no-op at
`es2022`) |
| `baseUrl` | `"."` | **removed** (removed in TS 7) |
| `paths` | `{ e2b }` | `{ src, "src/*", e2b }` (replaces `baseUrl` for
the existing `src/...` import style) |
| `outDir` | `"dist"` | **removed** (unused under `tsc --noEmit`) |
| `exclude` | _(none)_ | `["dist","node_modules"]` (so the built bundle
is never type-checked) |

`target`/`lib` for the CLI were already `es2022`.

## Notes / decisions

- **Why side-by-side, not a plain `typescript@7` bump:** TS 7.0 is the
native (Go) compiler rewrite — feature-identical to 6.0 for
type-checking, no programmatic API until 7.1. A plain bump crashed both
codegen tools (`Cannot read properties of undefined (reading
'createKeywordTypeNode')`). Side-by-side gives native-TS-7 checking
while keeping the TS-6 API for tooling. Once 7.1 ships the API and the
tools update, this collapses back to a single `typescript@7` dep.
- **`useDefineForClassFields: false` is pinned explicitly.** Raising
js-sdk's `target` to `es2022` flips this default to `true`, changing
class-field emit and shifting stack frames. The template builder
resolves the caller's directory and per-step traces via **fixed-depth**
stack walking (`getCallerDirectory` in `src/template/index.ts`), so the
extra frames threw it off by one — resolving `.copy('folder/*', …)`
against the wrong base dir and mis-attributing build steps
(`tests/template/build.test.ts` + `stacktrace.test.ts`). Pinning `false`
keeps the exact pre-existing field semantics (es6 already implied
`false`); adopting `define` semantics should be a separate, deliberately
tested change.
- **Target stays at `es2022`, not `es2023`.** `engines` still allow Node
20 (`>=20.18.1 <21 || >=22`).
- **`moduleResolution: "bundler"`** typechecks + builds cleanly in both
packages. The CLI's `baseUrl`-based bare imports (`from 'src/user'`,
`from 'src'`) are preserved via `paths`; the bundled output still
resolves them (build verified, binary smoke-tested).

## Not done (intentionally)

- **`verbatimModuleSyntax`** — ~177 `import type` conversions; left as a
follow-up.
- **Shared `tsconfig.base.json`** — the two configs diverge too much to
factor out cleanly.

## Verification
- `pnpm run typecheck`  both packages, on **native TS 7.0.2**
- `pnpm run build`  both packages (js-sdk ESM + CJS + **DTS**; cli CJS;
binary smoke-tested)
- codegen  `openapi-typescript` + `json2ts` run and produce identical
output (idempotent)
- `pnpm run lint`  both packages
- `pnpm run test` — `template/build` + `template/stacktrace` now pass
(`stacktrace` verified locally 30/30); remaining local failures are all
`E2B_API_KEY`-gated live tests, unaffected by this change

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-09 18:35:15 +00:00

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{
"name": "@e2b/cli",
"version": "2.13.1",
"description": "CLI for managing e2b sandbox templates",
"homepage": "https://e2b.dev",
"license": "MIT",
"author": {
"name": "FoundryLabs, Inc.",
"email": "hello@e2b.dev",
"url": "https://e2b.dev"
},
"bugs": "https://github.com/e2b-dev/e2b/issues",
"repository": {
"type": "git",
"url": "https://github.com/e2b-dev/e2b",
"directory": "packages/cli"
},
"publishConfig": {
"access": "public"
},
"keywords": [
"e2b",
"ai-agents",
"agents",
"ai",
"code-interpreter",
"sandbox",
"code",
"cli",
"runtime",
"vm",
"nodejs",
"javascript",
"typescript"
],
"sideEffects": false,
"scripts": {
"prepublishOnly": "pnpm build",
"build": "tsc --noEmit --skipLibCheck && tsdown --minify",
"dev": "tsdown --watch",
"typecheck": "tsc --noEmit --skipLibCheck",
"lint": "oxlint --config ../../.oxlintrc.json src",
"format": "prettier --write src",
"test:interactive": "pnpm build && ./dist/index.js",
"test": "vitest run",
"test:watch": "vitest watch",
"test:coverage": "vitest run --coverage",
"check-deps": "knip"
},
"devDependencies": {
"@types/handlebars": "^4.1.0",
"@types/inquirer": "^9.0.7",
"@types/json2md": "^1.5.4",
"@types/node": "^20.19.19",
"@types/npmcli__package-json": "^4.0.4",
"@types/statuses": "^2.0.5",
"@typescript/native": "npm:typescript@^7.0.2",
"@vitest/coverage-v8": "^4.1.0",
"json2md": "^2.0.1",
"knip": "^5.43.6",
"tsdown": "^0.22.3",
"typescript": "npm:@typescript/typescript6@^6.0.2",
"vitest": "^4.1.8"
},
"files": [
"dist",
"LICENSE",
"README",
"package.json"
],
"bin": {
"e2b": "dist/index.js"
},
"dependencies": {
"@iarna/toml": "^2.2.5",
"@inquirer/prompts": "^7.9.0",
"@npmcli/package-json": "^5.2.1",
"async-listen": "^3.0.1",
"boxen": "^7.1.1",
"chalk": "^5.3.0",
"cli-highlight": "^2.1.11",
"commander": "^11.1.0",
"console-table-printer": "^2.11.2",
"e2b": "^2.32.0",
"handlebars": "^4.7.9",
"inquirer": "^12.10.0",
"simple-update-notifier": "^2.0.0",
"statuses": "^2.0.1",
"yup": "^1.3.2"
},
"engines": {
"node": ">=20.18.1 <21 || >=22"
}
}