10 our $VERSION = '1.02';
18 my $source = readline;
23 my $data = decode_json($source);
24 my $update = eval { stat(${^LAST_FH} // $ARGV)->mtime }
25 or warn "Could not determine input time\n";
26 $data->{-date} = Time::Piece->new($update)->datetime;
29 for (values %{ $data->{data} }) {
30 delete @{$_}{qw[ usage_perc_a usage_perc_y ]};
32 for (values %{ $data->{agents} }) {
33 delete $_->{usage_global};
34 shift @{ $_->{versions} } while !defined $_->{versions}->[0];
37 while (my ($browser, $target) = each %BROWSERJOIN) {
38 my $agent1 = delete $data->{agents}->{$browser} or next;
39 my $agent2 = $data->{agents}->{$target} or next;
40 splice @{ $agent2->{versions} }, -3, 3, @{ $agent1->{versions} };
41 $agent2->{browser} = sprintf '%s (former %s)',
42 $agent1->{browser}, $agent2->{browser};
44 for (values %{ $data->{data} }) {
45 my $stats = delete $_->{stats}->{$browser} or next;
46 $_ = { %{$_}, %{$stats} } for $_->{stats}->{$target};
50 say "# automatically generated by $0";
57 mkcaniuse - Turn Javascript data into an equivalent Perl structure
61 tools/mkcaniuse data.json >browser-support.inc.pl