Scriptc by Vercel: TypeScript-to-Native compiler, no JavaScript engine in binary
Vercel introduced scriptc, a compiler that transforms ordinary TypeScript code into self‑contained native executables without bundling a JavaScript engine. The tool statically compiles about 99 % of code, while a dynamic mode embeds the lightweight QuickJS engine for parts that cannot be statically lowered. Scriptc validates correctness through differential testing against Node and memory‑safety checks, aiming for byte‑for‑byte parity and safety.
- ▪scriptc compiles TypeScript directly to native binaries, eliminating the need for Node or V8 at runtime.
- ▪Static analysis shows that roughly 99 % of statements in typical TypeScript projects can be compiled without a JavaScript engine.
- ▪When static compilation is impossible, the optional --dynamic mode embeds QuickJS to execute the remaining JavaScript code.
- ▪Correctness is enforced by running the same test corpus under Node and the compiled binary, plus AddressSanitizer checks for memory safety.
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Record
| Original publisher | GitHub |
| Canonical URL | https://github.com/vercel-labs/scriptc |
| Publication time | Sun, 26 Jul 2026 22:46:10 +0000 |
| Retrieval time | 2026-07-27T06:07:08.938Z |
| Last seen | 2026-07-27T06:07:08.938Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | yqQQnyk3aOa8 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
scriptc Zero-runtime TypeScript. scriptc compiles ordinary TypeScript into small, fast native executables — no Node, no V8, no JavaScript engine in the binary. $ cat fib.ts function fib(n: number): number { return n < 2 ? n : fib(n - 1) + fib(n - 2); } console.log(fib(30)); $ scriptc run fib.ts 832040 $ scriptc build fib.ts && ls -la fib -rwxr-xr-x 178K fib # a self-contained native binary, ~2ms startup No changes to your code. No annotations, no dialect — the same TypeScript you run on Node, type-checked by the real TypeScript compiler and compiled to native. What compiles behaves byte-for-byte like Node. Install $ npm install -g scriptc Requires clang (preinstalled with Xcode Command Line Tools).
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Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.