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13 lines
410 B
TypeScript
13 lines
410 B
TypeScript
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/**
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* The value of a trackpoint for a category of the engine (surface, highway): `codes` has one entry
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* per trackpoint, 0 when the value is unknown, else 1 + the index of the value in `names`.
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*/
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export function categoryAt(
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codes: ArrayLike<number>,
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names: readonly string[],
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index: number
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): string | undefined {
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const code = codes[index];
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return code ? names[code - 1] : undefined;
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}
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