browser: order features by user reach percentage

[sheet.git] / browser.plp

diff --git a/browser.plp b/browser.plp
index a3a984da9f75564f25b58d4f5c528f3aa8e423c6..5afabaf08331ccb5046094d04aa3ec2f5db52aa4 100644 (file)
--- 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;
@@ -44,9 +47,11 @@ my $caniuse = from_json($source, {
 my %CSTATS = (
        n => 'di-b',
        y => 'di-aa',
-       a => 'di-d',
-       j => 'di-prop',
-       p => 'di-prop',
+       a     => 'di-d',
+       'a x' => 'di-d',
+       j     => 'di-prop',
+       p     => 'di-prop',
+       'p j' => 'di-prop',
        'y x' => 'di-a',
 );
 my %CSTATUS = (
@@ -57,7 +62,7 @@ my %CSTATUS = (
        rec   => 'di-a', # recommendation
        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 %{ $somerow->{stats} }) {
@@ -65,27 +70,42 @@ if (my ($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";
 
-sub featurerank {
+sub featurescore {
        # relative amount of support for given feature
-       state $statspts = { y=>10, 'y x'=>9, a=>5, j=>2, p=>1 };
-       my ($id) = @_;
+       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 = $caniuse->{data}->{$id}->{stats}) {
+       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;
@@ -105,22 +125,37 @@ sub featurerank {
 }
 
 for my $id (sort {
-       featurerank($b) <=> featurerank($a)
+           featurescore($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 = ();
                        }
@@ -128,7 +163,10 @@ for my $id (sort {
                        $prev = $ver;
                }
        }
-       print '<td>', int featurerank($id);
+       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>';
 
@@ -138,6 +176,16 @@ 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>