const prefixZero = ( value ) : string => ( '0' + value ) . slice ( - 2 ) ; export function now ( ) { const now = new Date ( ) ; return `${ now . getFullYear ( ) }${ prefixZero ( now . getMonth ( ) + 1 ) }${ prefixZero ( now . getDate ( ) ) }${ prefixZero ( now . getHours ( ) ) }${ prefixZero ( now . getMinutes ( ) ) }${ prefixZero ( now . getSeconds ( ) ) }` ; } export function timestampToDate ( timestamp ) { if ( ! timestamp || timestamp . length !== 14 ) { return undefined ; } const year = Number ( timestamp . slice ( 0 , 4 ) ) ; const month = Number ( timestamp . slice ( 4 , 6 ) ) ; const date = Number ( timestamp . slice ( 6 , 8 ) ) ; const hours = Number ( timestamp . slice ( 8 , 10 ) ) ; const minutes = Number ( timestamp . slice ( 10 , 12 ) ) ; const seconds = Number ( timestamp . slice ( 12 , 14 ) ) ; return new Date ( year , month - 1 , date , hours , minutes , seconds ) ; } export function renderDate ( date ) { if ( date . getDate ( ) !== new Date ( ) . getDate ( ) ) { return date . toLocaleDateString ( ) + ' ' + date . toLocaleTimeString ( ) ; } return date . toLocaleTimeString ( ) ; }