Use

{#if n}{`${n.accounts} accounts, ${n.repos} repositories, ${n.authorsWeek} active this week, ${n.authorsMonth} this month`}{/if}
{#each columns as c (c)}{/each} {#each days as d (d.day)} {#each columns as c (c)}{/each} {/each}
Day{capitalized(c)}
{d.day}{d[c]}