X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/36e1441fd2e594b24504b85e214b19616d9f1d4f..2f52ab48dabb037b6ef93468a8ba2db6bc9c9428:/browser.plp

diff --git a/browser.plp b/browser.plp
index 49c3ec2..5afabaf 100644
--- a/browser.plp
+++ b/browser.plp
@@ -1,5 +1,6 @@
 <(common.inc.plp)><:
 use 5.010;
+use List::Util qw(sum max);
 
 Html({
 	title => 'browser compatibility cheat sheet',
@@ -14,7 +15,9 @@ Html({
 :>
 <h1>Browser compatibility</h1>
 
-<p>Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> site.</p>
+<p>Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page
+with <a href="http://stats.wikimedia.org/archive/squid_reports/">Wikimedia</a>
+browser usage statistics.</p>
 
 <:
 use JSON;
@@ -43,10 +46,12 @@ my $caniuse = from_json($source, {
 
 my %CSTATS = (
 	n => 'di-b',
-	y => 'di-a',
-	a => 'di-d',
-	j => 'di-prop',
-	p => 'di-prop',
+	y => 'di-aa',
+	a     => 'di-d',
+	'a x' => 'di-d',
+	j     => 'di-prop',
+	p     => 'di-prop',
+	'p j' => 'di-prop',
 	'y x' => 'di-a',
 );
 my %CSTATUS = (
@@ -55,9 +60,9 @@ my %CSTATUS = (
 	pr    => 'di-prop', # proposed
 	cr    => 'di-d', # candidate
 	rec   => 'di-a', # recommendation
-	ietf  => 'di-a', # standard
+	ietf  => 'di-aa', # standard
 );
-my @browsers = qw(trident gecko webkit_saf presto);
+my @browsers = qw(trident gecko webkit_saf webkit_chr presto);
 my %versions;
 if (my ($somerow) = values %{ $caniuse->{data} }) {
 	while (my ($browser, $row) = each %{ $somerow->{stats} }) {
@@ -65,36 +70,92 @@ if (my ($somerow) = values %{ $caniuse->{data} }) {
 	}
 }
 
-print '<table class="glyphs dimap">';
-print '<col>' x 2;
+my $canihas = do 'browser-usage.inc.pl' or do {
+	printf "<p>Browser usage data not found: <em>%s</em>.</p>\n", $_
+		for $! || $@;
+};
+my $scorediv = (max(map { sum(values %$_) } values %$canihas) // 1) / 100;
+
+print '<table class="mapped">';
+print '<col>' x 3;
 printf '<colgroup span="%d">', scalar @{ $versions{$_} } for @browsers;
 print "\n";
 
 print '<thead><tr>';
-print "<th>$_" for qw(feature status);
+print '<th colspan="3">feature';
 printf '<th colspan="%d">%s',
 	scalar @{ $versions{$_} }, $caniuse->{agents}->{$_}->{browser}
 		for @browsers;
+print '<th>%';
 # preceding row without any colspan to work around gecko bug
 print '<tr>';
-print '<td>' x $_ for 2, map { scalar @{ $versions{$_} } } @browsers;
+print '<td>' x $_ for 3, (map { scalar @{ $versions{$_} } } @browsers), 1;
 print "</thead>\n";
 
-for my $id (keys %{ $caniuse->{data} }) {
+sub featurescore {
+	# relative amount of support for given feature
+	state $statspts = { y=>10, 'y x'=>9, a=>5, 'a x'=>5, j=>2, 'p j'=>2, p=>1 };
+	my $rank = 0;
+	if (my $row = shift) {
+		if ($canihas) {
+			while (my ($browser, $versions) = each %$row) {
+				while (my ($version, $_) = each %$versions) {
+					$rank += $canihas->{$browser}->{$version} * $statspts->{$_};
+				}
+			}
+			return $rank;
+		}
+
+		while (my ($browser, $vercols) = each %versions) {
+			my $div = 0;  # multiplier exponent (decreased to lower value)
+			my @vers = map { $row->{$browser}->{$_} } @$vercols;
+			if (my $current = $caniuse->{agents}->{$browser}->{versions}->[-3]) {
+				my @future;  # find upcoming releases (after current)
+				for (reverse @$vercols) {
+					last if $_ eq $current;
+					push @future, pop @vers;
+					$_ eq 'u' and $_ = $vers[-1] for $future[-1];  # inherit latest value if unknown
+				}
+				splice @vers, -1, 0, @future;  # move ahead to decrease precedence
+			}
+			$rank += $statspts->{$_} * 2**($div--) for reverse @vers;
+		}
+	}
+	return $rank;
+}
+
+for my $id (sort {
+	    featurescore($caniuse->{data}->{$b}->{stats})
+	<=> featurescore($caniuse->{data}->{$a}->{stats})
+} keys %{ $caniuse->{data} }) {
 	my $row = $caniuse->{data}->{$id};
 	my $data = $row->{stats} or next;  # skip metadata [summary]
 	printf '<tr id="%s">', $id;
-	printf '<th title="%s">%s', $row->{description}, $row->{title};
-	printf '<td title="%s" class="%s">%s', $caniuse->{statuses}->{$_}, $CSTATUS{$_} // '', $_ for $row->{status};
+	for ($row->{categories}) {
+		my $cell = $_ ? lc $_->[0] : '-';
+		print '<th>', $cell;
+	}
+	printf '<td title="%s">%s', $row->{description}, $row->{title};
+	for ($row->{status}) {
+		my $cell = $_ // '-';
+		$cell = sprintf '<a href="%s">%s</a>', $_, $cell for $row->{spec} // ();
+		printf '<td title="%s" class="%s">%s',
+			$caniuse->{statuses}->{$_}, $CSTATUS{$_} // '', $cell;
+	}
 	for my $browser (@browsers) {
 		my ($prev, @span);
 		for my $ver (@{ $versions{$browser} }, undef) {
 			unless (!defined $prev
 			or $data->{$browser}->{$prev} ~~ $data->{$browser}->{$ver}) {
-				printf '<td class="%s" colspan="%d">%s',
-					$CSTATS{ $data->{$browser}->{$prev} },
+				my $usage = sum(map { $canihas->{$browser}->{$_} } @span);
+				printf '<td class="%s" colspan="%d" title="%.1f%%">%s',
+					join(' ',
+						$CSTATS{ $data->{$browser}->{$prev} },
+						sprintf('opacity%.0f', $usage / $scorediv),
+					),
 					scalar @span,
-					join('‒', $span[0], @span > 1 ? $span[-1] : ());
+					$usage,
+					showversions(\@span),
 				undef $prev;
 				@span = ();
 			}
@@ -102,6 +163,10 @@ for my $id (keys %{ $caniuse->{data} }) {
 			$prev = $ver;
 		}
 	}
+	state $maxscore = featurescore({  # yes for every possible version
+		map { $_ => { map {$_ => 'y'} @{$versions{$_}} } } keys %versions
+	});
+	print '<td>', int featurescore($caniuse->{data}->{$id}->{stats}) / $maxscore * 100;
 }
 print '</table>';
 
@@ -111,15 +176,26 @@ sub paddedver {
 	return sprintf('%02d', $1) . $2;
 }
 
+sub showversions {
+	my ($span) = @_;
+	splice @$span, 1, -1;
+	for (@$span) {
+		s/^\./0./;
+		s/x$/.*/;
+	}
+	return join('‒', @$span);
+}
+
 :>
 <hr>
 
 <div class="legend">
 	<table class="glyphs"><tr>
-	<td class="X di-a">yes
-	<td class="X di-d">almost
-	<td class="X di-prop">plugin or js
-	<td class="X di-b">no
+	<td class="X di-aa">supported
+	<td class="X di-a">prefixed
+	<td class="X di-d">partial
+	<td class="X di-prop">external (js/plugin)
+	<td class="X di-b">missing
 	</table>
 
 	<div class="right">