@csvw-rdf-convertor/core/dist/lib/utils/parse-date.js

This library was generated with [Nx](https://nx.dev).

import { parse } from 'date-fns';
import { commonPrefixes } from './prefix.js';
import { TZDate } from '@date-fns/tz';
const { xsd } = commonPrefixes;
/**
 * Parse a date string into a Date object.
 * @param value string to parse
 * @param dtUri datatype URI
 * @param format date format string
 * @returns the parsed date
 */ export function parseDate(value, dtUri, format) {
    let tz = '';
    if (format) {
        if (format.endsWith('X')) {
            [value, tz] = splitTz(value, dtUri);
        }
        const date = parse(value + tz, format.replace(/[T]/g, "'$&'"), new Date(2000, 0));
        return new TZDate(date, tz === 'Z' ? 'UTC' : tz || undefined);
    }
    [value, tz] = splitTz(value, dtUri);
    if (dtUri === xsd + 'time') {
        value = '2000-01-01T' + value;
    } else if (dtUri === xsd + 'date') {
        value = value + 'T00:00:00';
    }
    return new TZDate(value + tz, tz === 'Z' ? 'UTC' : tz || undefined);
}
/**
 * Split a date string into date and timezone components.
 * @param value string to parse
 * @param dtUri datatype URI
 * @returns [date string, timezone string]
 */ export function splitTz(value, dtUri) {
    if (value.endsWith('Z')) {
        return [
            value.slice(0, -1),
            'Z'
        ];
    }
    const lastIndex = value.lastIndexOf('+');
    if (lastIndex > -1) {
        return [
            value.slice(0, lastIndex),
            value.slice(lastIndex)
        ];
    }
    const dashes = value.split('-');
    const threshold = dtUri === xsd + 'time' ? 1 : 3;
    return [
        dashes.slice(0, threshold).join('-'),
        dashes[threshold] ? '-' + dashes[threshold] : ''
    ];
}

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