mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-04 09:28:24 +08:00
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.
34 lines
1.3 KiB
TypeScript
34 lines
1.3 KiB
TypeScript
import { format, inspect } from "node:util";
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const numbers: number[] = [];
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numbers[2] = 7;
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numbers.length = 5;
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console.log("number-json", JSON.stringify(numbers));
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console.log("number-inspect", inspect(numbers));
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console.log("number-join", numbers.join("|"));
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const strings: string[] = [];
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strings[1] = "value";
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strings.length = 3;
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console.log("string-json", JSON.stringify(strings));
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console.log("string-inspect", inspect(strings));
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const records: { value: number }[] = [];
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records[1] = { value: 3 };
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records.length = 4;
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console.log("record-json", JSON.stringify(records));
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console.log("record-inspect", inspect(records));
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const optional: (number | undefined)[] = [undefined];
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optional[3] = 8;
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console.log("optional-json", JSON.stringify(optional));
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console.log("optional-inspect", inspect(optional));
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console.log("optional-format", format("%j", optional));
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const tuple: [number | undefined, number] = [undefined, 2];
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console.log("tuple-json", JSON.stringify(tuple));
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console.log("materialized-json", JSON.stringify(numbers.toReversed()));
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console.log("materialized-inspect", inspect(numbers.toReversed()));
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const huge: number[] = [];
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huge[4_000_000_000] = 11;
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console.log("huge-inspect", inspect(huge));
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const alternating: number[] = [];
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for (let i = 0; i < 220; i += 2) alternating[i] = i;
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console.log("truncated-inspect", inspect(alternating));
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