11 our $VERSION = '1.04';
19 my $source = readline;
24 my $data = decode_json($source);
25 $data->{-date} = Time::Piece->new($_)->datetime
26 for delete $data->{updated} || ();
29 for (values %{ $data->{data} }) {
30 delete @{$_}{qw[ usage_perc_a usage_perc_y ]};
32 for (values %{ $data->{agents} }) {
33 delete $_->{usage_global};
34 for (@{ $_->{version_list} }) {
36 delete $_->{prefix} unless $_->{prefix};
40 while (my ($browser, $target) = each %BROWSERJOIN) {
41 my $agent1 = delete $data->{agents}->{$browser} or next;
42 my $agent2 = $data->{agents}->{$target} or next;
43 push @{ $agent2->{version_list} }, @{ $agent1->{version_list} };
44 $agent2->{browser} = sprintf '%s (former %s)',
45 $agent1->{browser}, $agent2->{browser};
47 for (values %{ $data->{data} }) {
48 my $stats = delete $_->{stats}->{$browser} or next;
49 $_ = { %{$_}, %{$stats} } for $_->{stats}->{$target};
53 for my $feature (values %{ $data->{data} }) {
54 while (my ($attr, $row) = each %{$feature}) {
55 delete $feature->{$attr} if ref $row eq '' and $row eq '';
59 while (my ($agent, $row) = each %{ $data->{agents} }) {
60 $row->{versions} = [ uniq map { $_->{version} } @{ $row->{version_list} } ];
62 # omit identical values from subsequent versions
63 for my $feature (values %{ $data->{data} }) {
64 my $cmp; # same value to be omitted
65 my $verstats = $feature->{stats}->{$agent};
66 for my $version (@{ $row->{versions} }) {
67 defined $verstats->{$version}
68 or warn "missing feature $feature->{title} for $agent $version";
69 if (defined $cmp and $verstats->{$version} eq $cmp) {
70 delete $verstats->{$version};
73 $cmp = $verstats->{$version};
79 say "# automatically generated by $0";
86 mkcaniuse - Turn Javascript data into an equivalent Perl structure
90 tools/mkcaniuse data.json >browser-support.inc.pl