{%-assign archived = site.jekyll-archives.enabled-%} {%-if archived contains 'year' or archived contains 'month' or archived contains 'day'-%} {%-assign archives_menu = site.data.navigation | where: "identifier", "archives" | first-%} {%-assign posts_by_year = site.posts | group_by_exp: "post", "post.date | date: '%Y'"-%} {%-assign years = posts_by_year | map: 'name'-%} {%-assign firsts = "1,21,31" | split: ','-%} {%-assign seconds = "2,22" | split: ','-%} {%-assign thirds = "3,23" | split: ','-%}