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arquero

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Query processing and transformation of array-backed data tables.

github.com/uwdata/arquero

uwdata/arquero

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/** * Recodes an input value to an alternative value, based on a provided * value map. If a fallback value is specified, it will be returned when * a matching value is not found in the map; otherwise, the input value * is returned unchanged. * @template T * @param {T} value The value to recode. The value must be safely * coercible to a string for lookup against the value map. * @param {Map|Record<string,any>} map An object or Map with input values * for keys and output recoded values as values. If a non-Map object, only * the object's own properties will be considered. * @param {T} [fallback] A default fallback value to use if the input * value is not found in the value map. * @return {T} The recoded value. */ export function recode<T>(value: T, map: Map<any, any> | Record<string, any>, fallback?: T): T;