Neovici/cosmoz-omnitable

import { toLocalISOString } from '@neovici/cosmoz-utils/date';
import { get } from '@polymer/polymer/lib/utils/path';
import { renderValue, toDate } from './utils-date';

export const

    formatters = {},
    getFormatter = locale => {
        const key = locale || '';

        if (formatters[key]) {
            return formatters[key];
        }

        const timeFormatOption = {
            year: 'numeric',
            month: 'numeric',
            day: 'numeric',
            hour: 'numeric',
            minute: 'numeric'
        };

        formatters[key] = new Intl.DateTimeFormat(locale || undefined, timeFormatOption);

        return formatters[key];
    },

    getString = ({ valuePath, locale }, item) => {
        const value = toDate(get(item, valuePath));
        if (value === undefined) {
            return '';
        }
        if (value === null) {
            return 'Invalid Date';
        }
        return renderValue(value, getFormatter(locale));
    },

    toXlsxValue = ({ valuePath }, item) => {
        if (!valuePath) {
            return '';
        }
        return get(item, valuePath);
    },

    toHashString = value => {
        const date = toDate(value);
        if (date == null) {
            return '';
        }
        //Use utc in hash
        return date.toISOString().slice(0, 19).replace(/:/gu, '.');
    },

    fromHashString = value => {
        if (value == null || value === '') {
            return;
        }
        //Parse utc from hash string
        return toDate(value.replace(/\./gu, ':') + 'Z');
    },

    toInputString = value => {
        const date = toDate(value);
        if (date == null) {
            return null;
        }
        return toLocalISOString(date).slice(0, 19);
    },

    getInputString = ({ valuePath }, item) => toInputString(get(item, valuePath));