#!/usr/bin/env perl
-use 5.010;
-use strict;
+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 $source = readline;
-for ($source) { # cleanup
- s/\A\(// and s/\);?\s*\Z//; # empty callback
- next if /^\{/; # valid json
-
- # convert seperate variables to hash keys
- s/\A/{\n/;
- s/^caniuse\.(\w+) *= */"$1":/gm;
- s/;$/,/gm;
- s/,\s*\Z/\n}/;
- # fractions not supported by barekey
- s/(?<=[,{\n]) (\d*\.\d) (?=:['"])/"$1"/gx;
- # escapes not supported in singlequote
- s{: *\K'((?:[^\\']+|\\.)*)'}{
- my $_ = $1;
- s/"/\\"/g;
- s/\\'/'/g;
- qq("$_");
- }ge;
+$JSON::PP::false = 0;
+$JSON::PP::true = 1;
+
+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];
}
-my $data = from_json($source, {
- allow_singlequote => 1,
- allow_barekey => 1,
-});
-my $update = eval { stat(${^LAST_FH} // $ARGV)->mtime }
- or warn "Could not determine input time\n";
-$data->{-date} = Time::Piece->new($update)->datetime;
+while (my ($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};
+ }
+}
-print pp($data);
+say "# automatically generated by $0";
+print '+', pp($data);
__END__