browser: truncate maximum usage score to 99

[sheet.git] / tools / mkcaniuse

diff --git a/tools/mkcaniuse b/tools/mkcaniuse
index 53cd9047ecff037ce304e4272d5e63f0bca5cc5e..c1817585d8a6d04cc7cd21375d1086197ed5033b 100755 (executable)
--- a/tools/mkcaniuse
+++ b/tools/mkcaniuse
@@ -3,11 +3,16 @@ use 5.014;
 use warnings;
 
 use Data::Dump 'pp';
-use JSON;
+use JSON::PP;
 use File::stat;
 use Time::Piece;
 
-our $VERSION = '1.01';
+our $VERSION = '1.02';
+
+my %BROWSERJOIN = (
+       edge    => 'ie',
+       and_chr => 'android',
+);
 
 local $/;  # slurp
 my $source = readline;
@@ -15,10 +20,31 @@ my $source = readline;
 $JSON::PP::false = 0;
 $JSON::PP::true  = 1;
 
-my $data = from_json($source);
-my $update = eval { stat(${^LAST_FH} // $ARGV)->mtime }
-       or warn "Could not determine input time\n";
-$data->{-date} = Time::Piece->new($update)->datetime;
+my $data = decode_json($source);
+$data->{-date} = Time::Piece->new($_)->datetime
+       for delete $data->{updated} || ();
+
+delete $data->{eras};
+for (values %{ $data->{data} }) {
+       delete @{$_}{qw[ usage_perc_a usage_perc_y ]};
+}
+for (values %{ $data->{agents} }) {
+       delete $_->{usage_global};
+       shift @{ $_->{versions} } while !defined $_->{versions}->[0];
+}
+
+while (my ($browser, $target) = each %BROWSERJOIN) {
+       my $agent1 = delete $data->{agents}->{$browser} or next;
+       my $agent2 =        $data->{agents}->{$target}  or next;
+       splice @{ $agent2->{versions} }, -3, 3, @{ $agent1->{versions} };
+       $agent2->{browser} = sprintf '%s (former %s)',
+               $agent1->{browser}, $agent2->{browser};
+
+       for (values %{ $data->{data} }) {
+               my $stats = delete $_->{stats}->{$browser} or next;
+               $_ = { %{$_}, %{$stats} } for $_->{stats}->{$target};
+       }
+}
 
 say "# automatically generated by $0";
 print '+', pp($data);