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https://github.com/vercel-labs/scriptc.git
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Chris Tate
94fd361b54
Represent ordinary JavaScript arrays with hole, value, and explicit-undefined states; add sparse side storage and carry missing values through the frontend, native backends, runtime, and Node-facing consumers.
14 lines
531 B
TypeScript
14 lines
531 B
TypeScript
// Builtin conversions consume the missing value produced by an unchecked
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// array read with JavaScript's own undefined semantics.
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const values = ["a=1"];
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const present = values[0];
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const missing = values[9];
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console.log(new URLSearchParams(present).toString());
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console.log(new URLSearchParams(missing).toString(), new URLSearchParams(missing).size);
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console.log(Number(present), Number.isNaN(Number(missing)));
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console.log(JSON.stringify(present));
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console.log(JSON.stringify(missing), JSON.stringify(missing) === undefined);
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