10 our $VERSION = '1.02';
18 my $source = readline;
23 my $data = decode_json($source);
24 $data->{-date} = Time::Piece->new($_)->datetime
25 for delete $data->{updated} || ();
28 for (values %{ $data->{data} }) {
29 delete @{$_}{qw[ usage_perc_a usage_perc_y ]};
31 for (values %{ $data->{agents} }) {
32 delete $_->{usage_global};
33 shift @{ $_->{versions} } while !defined $_->{versions}->[0];
36 while (my ($browser, $target) = each %BROWSERJOIN) {
37 my $agent1 = delete $data->{agents}->{$browser} or next;
38 my $agent2 = $data->{agents}->{$target} or next;
39 splice @{ $agent2->{versions} }, -3, 3, @{ $agent1->{versions} };
40 $agent2->{browser} = sprintf '%s (former %s)',
41 $agent1->{browser}, $agent2->{browser};
43 for (values %{ $data->{data} }) {
44 my $stats = delete $_->{stats}->{$browser} or next;
45 $_ = { %{$_}, %{$stats} } for $_->{stats}->{$target};
49 say "# automatically generated by $0";
56 mkcaniuse - Turn Javascript data into an equivalent Perl structure
60 tools/mkcaniuse data.json >browser-support.inc.pl