Function extractFormats

components/dash-core-components/src/utils/calendar/helpers.ts:202–219

(format?: string)

 * Extracts separate month and year format strings from a combined month_format, e.g. "MMM YY".
 */
export function extractFormats(format?: string): {
    monthFormat: string;
    yearFormat: string;
} {
    if (!format) {
        return {monthFormat: 'MMMM', yearFormat: 'YYYY'};
    }

    // Extract month tokens (MMMM, MMM, MM, M)
    const monthMatch = format.match(/M{1,4}/);
    const monthFormat = monthMatch ? monthMatch[0] : 'MMMM';

    // Extract year tokens (YYYY, YY)
    const yearMatch = format.match(/Y{2,4}/);
    const yearFormat = yearMatch ? yearMatch[0] : 'YYYY';

    return {monthFormat, yearFormat};
}

/**
 * Generates month options for a dropdown based on a format string.