@cran/lib.vue.ref/src/array/useReduce.ts

Vue Reactivity Extensions

import { computed } from "vue";
import { type ArrayReducer, wrapArrayReducer } from "./ArrayReducer";
import { type MaybeWrapped, unwrap } from "../utility";

/**
 * @since 0.0.1
 * @category Array
 * @inheritdoc Array#reduce
 */
export function useReduce<T, R> (
  values: MaybeWrapped<Array<MaybeWrapped<T>>>,
  callbackfn: ArrayReducer<T, R>,
  initialValue?: R
) {
  return computed(function compute ( ) {
    return unwrap(values)
      .reduce<R>(wrapArrayReducer(callbackfn), initialValue!);
  });
}