mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-02 08:35:07 +08:00
Chris Tate
9d30b56c6b
- Cache host libc detection and load TypeScript 5 only when needed. - Exclude debug payloads from release runtime packs and vendor archives. - Preserve native self-hosting, portable diagnostics, and reliable Sandbox execution.
18 lines
834 B
TypeScript
18 lines
834 B
TypeScript
import vm from "node:vm";
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import { createRequire } from "node:module";
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const require = createRequire(import.meta.url);
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/** The Node client's compile-time evaluator. Only source text and the
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* resulting value cross this boundary; TS5 ASTs never enter the frontend.
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* Every invocation gets fresh globals and a bounded execution window. */
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export function evaluateNodeComptime(source: string, timeoutMs: number): unknown {
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const ts5 = require("typescript5") as typeof import("typescript5");
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const js = ts5.transpileModule(`(${source})()`, {
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compilerOptions: { target: ts5.ScriptTarget.ESNext },
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}).outputText;
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// Shadow V8's otherwise silent per-context console. The capture walk
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// rejects direct console references before evaluation.
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return vm.runInNewContext(js, { console: undefined }, { timeout: timeoutMs });
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}
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