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export default function getPeriodDateFormat(
period: string | undefined,
date: Date,
locale = 'en'
): string {
let weekStart;
let weekEnd;
let weekEndDate;
switch ( period ) {
case 'week':
// Show day, month and a year in local format.
weekStart = date.toLocaleDateString( locale, {
month: '2-digit',
day: '2-digit',
year: 'numeric',
} );
weekEndDate = new Date();
weekEndDate.setDate( date.getDate() + 6 );
weekEnd = weekEndDate.toLocaleDateString( locale, {
month: '2-digit',
day: '2-digit',
year: 'numeric',
} );
// add new line to match the format
return `${ weekStart } - ${ weekEnd }`;
case 'month':
// only month
return date.toLocaleDateString( locale, {
month: 'short',
year: 'numeric',
} );
case 'year':
return date.toLocaleDateString( locale, {
year: 'numeric',
} );
// default to day format if no period is provided
case 'day':
default:
// only show day and month in a local format.
return date.toLocaleDateString( locale );
break;
}
// fallback that shouldn't happen.
return date.toLocaleDateString( locale );
}
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