def words: map(.content? | [match("\\b[a-zA-Z0-9]+\\b"; "g")] | length) | add;
def mews: map(.content? | [match("\\bmew\\b"; "ig")] | length) | add;
def containing_mews: map(select(.content? | test("\\bmew\\b"; "i"))) | length;

[.orderedItems[].object] as $all

| $all
| map(select((.published? | fromdate) < ("2018-08-02T00:00:00Z" | fromdate)))
| words as $words_before_jess
| mews as $mews_before_jess
| ($mews_before_jess / $words_before_jess * 100) as $percent_mews_before_jess
| length as $toots_before_jess
| containing_mews as $containing_mews_before_jess
| ($containing_mews_before_jess / $toots_before_jess * 100) as $percent_containing_mews_before_jess

| $all
| map(select((.published? | fromdate) >= ("2018-08-02T00:00:00Z" | fromdate)))
| words as $words_since_jess
| mews as $mews_since_jess
| ($mews_since_jess / $words_since_jess * 100) as $percent_mews_since_jess
| length as $toots_since_jess
| containing_mews as $containing_mews_since_jess
| ($containing_mews_since_jess / $toots_since_jess * 100) as $percent_containing_mews_since_jess

| ($percent_mews_since_jess / $percent_mews_before_jess * 100) as $percent_mews_increase_percent
| ($percent_containing_mews_since_jess / $percent_containing_mews_before_jess * 100) as $percent_containing_mews_increase_percent

| {
      "words_before_jess": $words_before_jess,
      "mews_before_jess": $mews_before_jess,
      "percent_mews_before_jess": $percent_mews_before_jess,
      "toots_before_jess": $toots_before_jess,
      "containing_mews_before_jess": $containing_mews_before_jess,
      "percent_containing_mews_before_jess": $percent_containing_mews_before_jess,

      "words_since_jess": $words_since_jess,
      "mews_since_jess": $mews_since_jess,
      "percent_mews_since_jess": $percent_mews_since_jess,
      "toots_since_jess": $toots_since_jess,
      "containing_mews": $containing_mews_since_jess,
      "percent_containing_mews_since_jess": $percent_containing_mews_since_jess,

      "percent_mews_increase_percent": $percent_mews_increase_percent,
      "percent_containing_mews_increase_percent": $percent_containing_mews_increase_percent,
  }