Asymmetrik/node-rest-starter

import _ from 'lodash';
import { DateTime } from 'luxon';

export const Callbacks = {
    trueFalse: (value: unknown) => (value ? 'true' : 'false'),
    isoDateString: (value: unknown) => {
        if (_.isString(value) || _.isNumber(value) || _.isDate(value)) {
            return DateTime.fromJSDate(new Date(value)).toISO();
        }
        return '';
    },
    formatDate: (format = 'LL/dd/yyyy') => {
        return (value: unknown) => {
            if (_.isString(value) || _.isNumber(value) || _.isDate(value)) {
                return DateTime.fromJSDate(new Date(value)).toFormat(format);
            }
            return '';
        };
    },
    getValueProperty: (
        path: Array<string> | string,
        path2?: Array<string> | string
    ) => {
        return (value: unknown) => {
            return _.get(value, path, _.get(value, path2, ''));
        };
    },
    getObjectProperty: (
        path: Array<string> | string,
        path2?: Array<string> | string
    ) => {
        return (value: unknown, obj: unknown) => {
            return _.get(obj, path, _.get(obj, path2, ''));
        };
    },
    joinArray: (separator = ', ', emptyValue = '') => {
        return (values: unknown) => {
            if (_.isArray(values) && values.length !== 0) {
                return values.join(separator);
            }
            return emptyValue;
        };
    },
    mapAndJoinArray: <T, U>(
        mapFn: (value: T, index: number, array: T[]) => U,
        separator = ', ',
        emptyValue = ''
    ) => {
        return (values: unknown) => {
            if (_.isArray(values) && values.length !== 0) {
                return values.map(mapFn).join(separator);
            }
            return emptyValue;
        };
    }
} as const;