<(common.inc.plp)><:
use 5.010;
+use utf8;
+use List::Util qw(sum max);
Html({
title => 'browser compatibility cheat sheet',
"caniuse.",
keywords => [qw'html css browser feature'],
stylesheet => [qw'light dark circus mono red'],
- data => ['caniuse.js'],
+ data => ['browser-support.inc.pl'],
});
:>
<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;
-use File::Slurp 'read_file';
-my $source = read_file('caniuse.js');
-for ($source) { # cleanup
- # convert seperate variables to hash keys
- s/\A/{/;
- s/^caniuse\.(\w+) = /"$1":/gm;
- s/;$/,/gm;
- s/,\s*\Z/\n}/;
- # fractions not supported by barekey
- s/(?<=[,{]) (\d*\.\d) (?=:')/"$1"/gx;
- # escapes not supported in singlequote
- s{'((?:[^\\']+|\\.)*)'}{
- my $_ = $1;
- s/"/\\"/g;
- s/\\'/'/g;
- qq("$_");
- }ge;
-}
-my $caniuse = from_json($source, {
-# allow_singlequote => 1,
- allow_barekey => 1,
-});
+my $caniuse = do 'browser-support.inc.pl' or die $! || $@;
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 = (
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);
-unshift @{ $caniuse->{agents}->{gecko}->{versions} }, 2;
+my @browsers = qw(trident gecko webkit_saf webkit_chr presto);
+my %versions;
+if (my ($somerow) = values %{ $caniuse->{data} }) {
+ while (my ($browser, $row) = each %{ $somerow->{stats} }) {
+ $versions{$browser} = [ sort { paddedver($a) cmp paddedver($b) } keys %$row ];
+ }
+}
+
+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="glyphs dimap">';
-print '<col>' x 2;
-printf '<colgroup span="%d">', scalar @{ $caniuse->{agents}->{$_}->{versions} } for @browsers;
+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);
-printf '<th colspan="%d">%s', scalar @{ $_->{versions} }, $_->{browser}
- for map { $caniuse->{agents}->{$_} } @browsers;
+my $header = join('',
+ '<tr>',
+ '<th colspan="3">feature',
+ (map {
+ sprintf('<th colspan="%d" title="%.1f%%">%s',
+ scalar @{ $versions{$_} },
+ sum(values %{ $canihas->{$_} }),
+ do {
+ my $name = $caniuse->{agents}->{$_}->{browser};
+ length $name < 16 ? $name : $caniuse->{agents}->{$_}->{abbr};
+ },
+ )
+ } @browsers),
+ '<th>%',
+);
+print '<thead>', $header;
+# preceding row without any colspan to work around gecko bug
+print "\n<tr>";
+print '<td>' x 3;
+for my $browser (@browsers) {
+ printf('<td title="%.1f%%">%s',
+ $canihas->{$browser}->{$_}, showversions($_),
+ ) for @{ $versions{$browser} };
+}
+print '<td>' x 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) {
- printf '<td class="%s">%s', $CSTATS{ $data->{$browser}->{$_} }, $_
- for @{ $caniuse->{agents}->{$browser}->{versions} };
+ my ($prev, @span);
+ for my $ver (@{ $versions{$browser} }, undef) {
+ unless (!defined $prev
+ or $data->{$browser}->{$prev} ~~ $data->{$browser}->{$ver}) {
+ 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,
+ $usage,
+ showversions(@span),
+ undef $prev;
+ @span = ();
+ }
+ push @span, $ver;
+ $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 '<tfoot>', $header;
print '</table>';
+sub paddedver {
+ # normalised version number comparable as string (cmp)
+ shift =~ /^(\d*)(.*)/;
+ return sprintf('%02d', $1) . $2;
+}
+
+sub showversions {
+ my @span = ($_[0], @_>1 ? $_[-1] : ());
+ for (@span) {
+ s/^\./0./;
+ s/x$/.*/;
+ }
+ return join('‒', @span);
+}
+
:>
+<script>
+var classmatch = /\bopacity(\d+)/;
+Array.forEach(document.getElementsByTagName('TD'), function(val) {
+ var opacity;
+ if (opacity = classmatch.exec(val.className)) {
+ var c = document.defaultView.getComputedStyle(val, null).getPropertyValue('background-color');
+ var o = opacity[1] / 100;
+ val.style.backgroundColor = c.replace(/rgb\((.*)\)/, 'rgba($1, '+o+')');
+ val.style.textShadow = c+' 1px 1px 2px, ' + c+' -1px -1px 2px';
+ }
+});
+alert(t);
+</script>
<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">
git.shiar.nl / sheet.git / blobdiff