mirror of
https://github.com/vercel-labs/scriptc.git
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Chris Tate
1f23c28bb0
* Expand static Array flattening, splice insertion, and join coercion * Refresh Array diagnostic and TypeScript 7 baselines
29 lines
1.1 KiB
TypeScript
29 lines
1.1 KiB
TypeScript
const sparse = [1, , 3];
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const copied = sparse.flat(0);
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console.log(JSON.stringify(copied), copied.length, 1 in copied, 1 in sparse);
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const rows = [[1, , 3], , [4, 5]] as number[][];
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const one = rows.flat();
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console.log(JSON.stringify(one), one.length, 1 in one);
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const nested = [[[1], [2, , 3]], [[4]]];
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console.log(JSON.stringify(nested.flat()));
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console.log(JSON.stringify(nested.flat(2)));
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console.log(JSON.stringify(nested.flat(Infinity)));
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console.log(JSON.stringify(nested.flat(0)));
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console.log(JSON.stringify(nested.flat(-2)));
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const first = { value: 1 };
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const second = { value: 2 };
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const records = [[first], [second]];
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const flattened = records.flat();
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console.log(flattened[0] === first, flattened[1] === second, records[0]![0] === first);
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const words = [["a", "b"], ["c"]];
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console.log(words.flat().join("|"), words.flat(0).length);
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console.log(JSON.stringify([7, , 9].flat()), JSON.stringify([7, , 9]));
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const scalar = [1, , 3] as number[];
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function depthArg(value: number): number { console.log("depth", value); return value; }
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console.log(JSON.stringify(scalar.flat(depthArg(5))), JSON.stringify(scalar.flat(depthArg(-1))));
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