Type safe text search of collection

text-search-collection.ts

/**
 * Perform text search on collection of object for multiple keys
 *
 * @export
 * @template T
 * @param {T[]} values - The collection
 * @param {Array<keyof T>} keys - An array of properties on the object (array of strings)
 * @param {string} term - Search term
 * @returns
 */
export function filterByTerm<T>(
  values: T[],
  keys: Array<keyof T>,
  term: string
) {
  const loweredTerm = term.toLocaleLowerCase();
  return (values || []).filter(value =>
    keys.some(
      key =>
        value[key] &&
        value[key]
          .toString()
          .toLocaleLowerCase()
          .includes(loweredTerm)
    )
  );
}