mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-23 06:10:02 +08:00
Chris Tate
b778bf6e6e
- Compile production IR serialization and runtime dependency scans on both native backends - Support native JSON callbacks and checked records with unknown payloads - Verify native IR round trips and executable generation with focused sanitizer coverage
29 lines
1.2 KiB
TypeScript
29 lines
1.2 KiB
TypeScript
export {};
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function encode(_key: string, value: unknown): unknown {
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if (typeof value === "number") {
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if (Number.isNaN(value)) return { number: "nan" };
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if (!Number.isFinite(value)) return { number: value > 0 ? "inf" : "-inf" };
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if (Object.is(value, -0)) return { number: "-0" };
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}
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return value;
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}
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function decode(_key: string, value: unknown): unknown {
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if (typeof value === "object" && value !== null && "number" in value) {
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const tag = (value as { number: string }).number;
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if (tag === "nan") return NaN;
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if (tag === "inf") return Infinity;
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if (tag === "-inf") return -Infinity;
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if (tag === "-0") return -0;
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}
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return value;
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}
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const values = [0, -0, Infinity, -Infinity, NaN, 1.25, 1e300];
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const encoded = JSON.stringify({ values }, encode, 2);
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if (encoded === undefined) throw new Error("missing document");
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console.log(encoded);
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const decoded = JSON.parse(encoded, decode) as { values: number[] };
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for (const value of decoded.values) console.log(String(value), Object.is(value, -0), Number.isNaN(value));
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console.log(JSON.stringify(decoded, encode) === JSON.stringify({ values }, encode));
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console.log(JSON.stringify([NaN, Infinity, -Infinity, -0], (_key: string, value: unknown) => value));
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