Omit deep by

OmitDeepBy.ts

import { curry, type } from 'ramda';

const isObject = (obj: unknown) => type(obj) === 'Object';
const isArray = (obj: unknown) => Array.isArray(obj);

// @ts-ignore-next-line
const omitDeepBy = curry(
  (pred: (key: string, value: unknown) => boolean, obj: any) => {
    if (isArray(obj)) {
      return obj.map(omitDeepBy(pred));
    }

    if (isObject(obj)) {
      return Object.entries(obj).reduce(
        (acc: Record<string, unknown>, [key, value]: [string, unknown]) =>
          pred(key, value) ? acc : { ...acc, [key]: omitDeepBy(pred, value) },
        {}
      );
    }

    return obj;
  }
);

export default omitDeepBy;