@dillonkearns/elm-graphql
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14 lines (9 loc) • 350 B
Flow
// @flow
import {curry} from "flow-static-land/lib/Fun";
import isLastIndex from "./isLastIndex";
/**
* Returns 0 if current index is the last one, or returns next if it is not.
*/
const cycleNext = (array: Array<any>, currentIndex: number): number =>
isLastIndex(array, currentIndex) ? 0 : currentIndex + 1;
export default curry(cycleNext);