X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/ad62c67c43729557c307f10ebef230b9e294c69c..1c575b2b48f7b4769d1ce38d81dc200a4b999ef6:/tools/mkcaniuse

diff --git a/tools/mkcaniuse b/tools/mkcaniuse
index 074fea7..b162c2f 100755
--- a/tools/mkcaniuse
+++ b/tools/mkcaniuse
@@ -6,8 +6,9 @@ use Data::Dump 'pp';
 use JSON::PP;
 use File::stat;
 use Time::Piece;
+use List::Util 'uniq';
 
-our $VERSION = '1.03';
+our $VERSION = '1.04';
 
 my %BROWSERJOIN = (
 	edge    => 'ie',
@@ -30,6 +31,10 @@ for (values %{ $data->{data} }) {
 }
 for (values %{ $data->{agents} }) {
 	delete $_->{usage_global};
+	for (@{ $_->{version_list} }) {
+		delete $_->{era};
+		delete $_->{prefix} unless $_->{prefix};
+	}
 }
 
 while (my ($browser, $target) = each %BROWSERJOIN) {
@@ -45,8 +50,30 @@ while (my ($browser, $target) = each %BROWSERJOIN) {
 	}
 }
 
-for (values %{ $data->{agents} }) {
-	$_->{versions} = [ map { $_->{version} } @{ $_->{version_list} } ];
+for my $feature (values %{ $data->{data} }) {
+	while (my ($attr, $row) = each %{$feature}) {
+		delete $feature->{$attr} if ref $row eq '' and $row eq '';
+	}
+}
+
+while (my ($agent, $row) = each %{ $data->{agents} }) {
+	$row->{versions} = [ uniq map { $_->{version} } @{ $row->{version_list} } ];
+
+	# omit identical values from subsequent versions
+	for my $feature (values %{ $data->{data} }) {
+		my $cmp;  # same value to be omitted
+		my $verstats = $feature->{stats}->{$agent};
+		for my $version (@{ $row->{versions} }) {
+			defined $verstats->{$version}
+				or warn "missing feature $feature->{title} for $agent $version";
+			if (defined $cmp and $verstats->{$version} eq $cmp) {
+				delete $verstats->{$version};
+			}
+			else {
+				$cmp = $verstats->{$version};
+			}
+		}
+	}
 }
 
 say "# automatically generated by $0";