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;
-}
-
-my $data = from_json($source, {
- allow_singlequote => 1,
- allow_barekey => 1,
-});
+$JSON::PP::false = 0;
+$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;
-print pp($data);
+say "# automatically generated by $0";
+print '+', pp($data);
__END__