<(common.inc.plp)><:
use 5.010;
use utf8;
-use List::Util qw(sum max);
+use List::Util qw(sum max first);
Html({
title => 'browser compatibility cheat sheet',
version => 'v1.0',
- description =>
- "caniuse.",
- keywords => [qw'html css browser feature'],
+ description => [
+ "Compatibility table of new web features (HTML5, CSS3, SVG, Javascript)",
+ "comparing support and usage share for all popular browser versions.",
+ ],
+ keywords => [qw'
+ web browser support compatibility usage available feature
+ html html5 css css3 svg javascript js dom mobile
+ ie internet explorer firefox chrome safari webkit opera
+ '],
stylesheet => [qw'circus dark mono red light'],
data => ['browser-support.inc.pl'],
});
-:>
-<h1>Browser compatibility</h1>
+say "<h1>Browser compatibility</h1>\n";
-<p id="intro">Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page<:
-my ($canihas, $usage);
-given ($get{usage} // 'wm') {
- when (!$_) {
- # none
- }
- when (!/^\w+$/) {
- printf "<p>Invalid browser usage data request: <em>%s</em>",
- 'identifier must be alphanumeric name or <q>0</q>';
- }
- $canihas = do "browser-usage-$_.inc.pl" or do {
- printf "<p>Browser usage data not found: <em>%s</em>", $! || $@;
- break;
- };
- $usage = $_;
- my $ref = $canihas->{-source} || 'unknown';
- $ref = sprintf '<a href="%s">%s</a>', $_, $ref for $canihas->{-url} || ();
- $ref .= " $_" for $canihas->{-date} || ();
- print "\nwith $ref browser usage statistics";
-}
-:>.
-</p>
-
-<div id="browser">
-<:
my $caniuse = do 'browser-support.inc.pl' or die $! || $@;
$_->{verrelease} = {
# mark last two (future) versions as unreleased, ensure current isn't
'p p' => 'l2',
'u' => 'l0',
);
+my %DSTATS = (
+ u => 'unknown',
+ n => 'unsupported',
+ p => 'plugin required',
+ j => 'javascript required',
+ a => 'partial',
+ y => 'supported',
+ x => sub {
+ join(' ',
+ 'requires prefix',
+ (map "-$_-", $caniuse->{agents}->{$_[0]}->{prefix} // ()),
+ );
+ },
+);
my %CSTATUS = (
unoff => 'l1', # unofficial
wd => 'l3', # draft
cr => 'l4', # candidate
pr => 'l4', # proposed
rec => 'l5', # recommendation
- other => 'l5', # non-w3
+ other => 'l2', # non-w3
ietf => 'l5', # standard
);
my %versions;
$versions{$browser} = [ sort { paddedver($a) cmp paddedver($b) } keys %$row ];
}
}
-my @browsers = grep { $versions{$_} }
- qw(trident gecko webkit_saf ios_saf webkit_chr android presto op_mob op_mini);
+my @browsers = keys %versions;
+
+print <<'';
+<p id="intro">Alternate rendition of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page
+my ($canihas, $usage, $minusage);
+given ($get{usage} // 'wm') {
+ when (!$_) {
+ # none
+ }
+ when (!/^[a-z][\w-]+$/) {
+ printf "<p>Invalid browser usage data request: <em>%s</em>",
+ 'identifier must be alphanumeric name or <q>0</q>';
+ }
+ $canihas = do "browser-usage-$_.inc.pl" or do {
+ printf "<p>Browser usage data not found: <em>%s</em>", $! || $@;
+ break;
+ };
+ $usage = $_;
+ my $ref = $canihas->{-title} || 'unknown';
+ $ref = sprintf '<a href="%s">%s</a>', $_, $ref
+ for $canihas->{-site} || $canihas->{-source} || ();
+ $ref .= " $_" for $canihas->{-date} || ();
+ print "\nwith $ref browser usage statistics";
+}
+if ($usage) { # first() does not work inside given >:(
+ # adapt version usage to actual support data
+ my %engineuse; # prefix => usage sum
+ for my $browser (keys %versions) {
+ my $row = $canihas->{$browser} // {};
+ my $verlist = $versions{$browser} or next;
+ my %supported = map { $_ => 1 } @$verlist;
+
+ # cascade unknown versions
+ $row->{$_} //= undef for @$verlist; # ensure stable keys during iteration
+ while (my ($version, $usage) = each %$row) {
+ next if defined $supported{$version};
+ my $next = first { paddedver($_) ge paddedver($version) } @$verlist
+ or warn("No fallback found for $browser v$version; $usage% ignored"), next;
+ $row->{$next} += $usage;
+ $row->{$version} = 0; # balance browser total
+ }
+
+ # build row list for each version
+ if ($minusage = $get{threshold} // .5) {
+ my @vershown; # $verlist replacement
+ my ($rowusage, @verrow) = (0); # replacement row tracking
+ for (@$verlist) {
+ push @verrow, $_; # queue each version
+ if (($rowusage += $row->{$_}) >= $minusage) {
+ push @vershown, [@verrow]; # add row
+ ($rowusage, @verrow) = (0); # reset row tracking
+ }
+ }
+ push @vershown, \@verrow if @verrow; # always add latest
+ @$verlist = @vershown;
+ }
+ else {
+ @$verlist = map { [$_] } @$verlist;
+ }
+
+ # reusable aggregates (grouped by prefix (engine) and browser)
+ $engineuse{ $caniuse->{agents}->{$browser}->{prefix} } +=
+ $row->{-total} = sum(values %$row);
+ }
+
+ # order browser columns by usage grouped by engine
+ @browsers = sort {
+ $engineuse{ $caniuse->{agents}->{$b}->{prefix} } <=>
+ $engineuse{ $caniuse->{agents}->{$a}->{prefix} }
+ ||
+ $canihas->{$b}->{-total} <=> $canihas->{$a}->{-total}
+ } @browsers;
+}
+else {
+ # order browser columns by name grouped by engine
+ @browsers = sort {
+ $caniuse->{agents}->{$b}->{prefix} cmp
+ $caniuse->{agents}->{$a}->{prefix}
+ ||
+ $a cmp $b
+ } @browsers;
+}
+:>.
+</p>
+
+<:
$canihas ||= {
map {
$_ => +{
}
} @browsers
}; # fallback hash based on release semantics
-my $scorediv = (max(map { ref $_ eq 'HASH' && sum(values %$_) } values %$canihas) // 1) / 100;
+my $usagemax = (max(map { ref $_ eq 'HASH' && sum(values %$_) } values %$canihas) // 1) / 100;
+
+my $usagepct = 1; # score multiplier for 0..100 result
+# normalise usage percentage to only include shown browsers
+$usagepct = 100.01 / featurescore({ # yes for every possible version
+ map { $_ => { map {$_ => 'y'} map { @{$_} } @{$versions{$_}} } } keys %versions
+});
print '<table class="mapped">';
-print '<col>' x 3;
+print '<col span="3">'; # should match first thead row
printf '<colgroup span="%d">', scalar @{ $versions{$_} } for @browsers;
-print "\n";
+say '</colgroup><col>';
my $header = join('',
'<tr>',
'<th colspan="3">feature',
(map {
my $name = $caniuse->{agents}->{$_}->{browser};
- sprintf('<th colspan="%d" title="%s">%s',
+ sprintf('<th colspan="%d" class="%s" title="%s">%s',
scalar @{ $versions{$_} },
+ join(' ', map {"b-a-$_"} grep {$_}
+ $_, @{ $caniuse->{agents}->{$_} }{'prefix', 'type'},
+ ),
join(' ',
- sprintf('%.1f%%', sum(values %{ $canihas->{$_} })),
+ sprintf('%.1f%%', $canihas->{$_}->{-total} * $usagepct),
$name,
),
do {
print "\n<tr>";
print '<td>' x 3;
for my $browser (@browsers) {
- printf('<td title="%.1f%%"%s>%s',
- $canihas->{$browser}->{$_},
- (map {
- defined $_ && !$_ && ' class="ex"'
- } $caniuse->{agents}->{$browser}->{verrelease}->{$_}),
- showversions($_),
- ) for @{ $versions{$browser} };
+ for (@{ $versions{$browser} }) {
+ my $lastver = $_->[-1];
+ my $release = $caniuse->{agents}->{$browser}->{verrelease}->{$lastver};
+ my $future = defined $release;
+ printf('<td title="%s"%s>%s',
+ join(' ',
+ sprintf('%.1f%%', sum(@{ $canihas->{$browser} }{@$_}) * $usagepct),
+ $future ? 'development' : (),
+ 'version ' . join(', ', @{$_}),
+ ),
+ $future && ' class="ex"',
+ showversions($lastver),
+ );
+ }
}
print '<td>' x 1;
-print "</thead>\n";
+say '</thead>';
+say '<tfoot>', $header, '</tfoot>';
sub featurescore {
# relative amount of support for given feature
- state $statspts = { y=>10, 'y x'=>10, a=>5, 'a x'=>5, j=>2, 'p j'=>2, p=>1 };
+ state $statspts = { y=>1, 'y x'=>1, a=>.5, 'a x'=>.5, j=>.2, 'p j'=>.2, 'p p'=>.2, p=>.1 };
my $rank = 0;
if (my $row = shift) {
if ($canihas) {
while (my ($browser, $versions) = each %$row) {
ref $versions eq 'HASH' or next;
while (my ($version, $_) = each %$versions) {
- $rank += $canihas->{$browser}->{$version} * $statspts->{$_};
+ $rank += ($canihas->{$browser}->{$version} || .001) * $statspts->{$_};
}
}
return $rank;
for ($row->{categories}) {
my $cell = $_ ? lc $_->[0] : '-';
- print '<th>', $cell;
+ $cell =~ s/ api$//; # trim unessential fluff in 'js api'
+ printf '<th title="%s">%s', join(' + ', @$_), $cell;
}
print '<td>', map {
sprintf("try { %s; return false } catch(err) { return true }",
"document.getElementById('$id').classList.toggle('target')",
),
- $_,
+ Entity($_),
);
} $row->{title};
print '<div class=aside>';
s/\.?$/./, print "<p>$_</p>" for map { ref $_ ? @$_ : $_ || () }
- $row->{description}, $row->{notes};
- printf 'Resources: %s.', join(', ',
- map { qq(<a href="$_->{url}">$_->{title}</a>) } @$_
- ) for grep { @$_ } $row->{links} // ();
+ Entity($row->{description}),
+ map { s/\s*\n/\n<br>/g; $_ } $row->{notes};
+ printf 'Resources: %s.', join(', ', map {
+ sprintf '<a href="%s">%s</a>', EscapeHTML($_->{url}), $_->{title}
+ } @$_) for grep { @$_ } $row->{links} // ();
+ printf '<br>Parent feature: %s.', join(', ', map {
+ sprintf '<a href="%s">%s</a>', EscapeHTML("#$_"), $caniuse->{data}->{$_}->{title}
+ } $_) for $row->{parent} || ();
print '</div>';
}
sub saybrowsercols {
my ($id, $browser) = @_;
my $data = $caniuse->{data}->{$id}->{stats}->{$browser};
+ if (ref $data eq 'ARRAY') {
+ # special case for unsupported
+ my $release = $caniuse->{agents}->{$browser}->{verrelease};
+ $data = {
+ map { $_ => defined $release->{$_} ? 'u' : 'n' } keys %$release
+ };
+ }
my ($prev, @span);
for my $ver (@{ $versions{$browser} }, undef) {
- unless (!defined $prev
- or ref $data eq 'HASH' && $data->{$prev} ~~ $data->{$ver}) {
- my $usage = sum(map { $canihas->{$browser}->{$_} } @span);
- printf '<td class="%s" colspan="%d" title="%.1f%%">%s',
+ my $compare = (
+ !defined $ver ? undef : # last column if nameless
+ ref $data ne 'HASH' ? '' : # unclassified if no support hash
+ $data->{ $ver->[-1] } // $prev # known or inherit from predecessor
+ // (grep { defined } @{$data}{ map { $_->[0] } @{ $versions{$browser} } })[0]
+ ~~ 'n' && 'n' # first known version is unsupported
+ || 'u' # unsure
+ );
+ unless (!defined $prev or $prev ~~ $compare) {
+ my $usage = sum(@{ $canihas->{$browser} }{ map { @{$_} } @span });
+ printf '<td class="%s" colspan="%d" title="%s">%s',
join(' ',
- X => $CSTATS{ ref $data eq 'HASH' && $data->{$prev} || 'u' },
+ X => $CSTATS{$prev},
!$usage ? ('p0') : ('p',
- sprintf('p%01d', $usage / 10),
- sprintf('p%02d', $usage),
+ sprintf('p%01d', $usage * ($usagepct - .0001) / 10),
+ sprintf('p%02d', $usage * ($usagepct - .0001)),
),
- sprintf('pp%02d', $usage / $scorediv),
+ sprintf('pp%02d', $usage / $usagemax),
),
scalar @span,
- $usage,
- showversions(@span),
+ sprintf('%.1f%% %s', $usage * $usagepct, join(', ',
+ map { ref $_ eq 'CODE' ? $_->($browser) : $_ }
+ map { $DSTATS{$_} // () }
+ map { split / /, $_ }
+ $prev
+ )),
+ showversions($span[0]->[0], @span > 1 ? ($span[-1]->[-1]) : ()),
undef $prev;
@span = ();
}
- push @span, $ver;
- $prev = $ver;
+ push @span, $ver && [ grep { $data->{ $_ } eq $data->{ $ver->[-1] } } @{$ver} ];
+ $prev = $compare;
}
}
sub sayusagecol {
my ($id) = @_;
- state $maxscore = featurescore({ # yes for every possible version
- map { $_ => { map {$_ => 'y'} @{$versions{$_}} } } keys %versions
- });
- print '<td>', int featurescore($caniuse->{data}->{$id}->{stats}) / $maxscore * 100;
+ print '<td>', int featurescore($caniuse->{data}->{$id}->{stats}) * $usagepct;
}
+say '<tbody>';
for my $id (sort {
featurescore($caniuse->{data}->{$b}->{stats})
<=> featurescore($caniuse->{data}->{$a}->{stats})
sayusagecol($id);
say '</tr>';
}
-print '<tfoot>', $header;
-print '</table>';
+say '</tbody>';
+say '</table>';
sub paddedver {
# normalised version number comparable as string (cmp)
- shift =~ /^(\d*)(.*)/;
+ shift =~ /(?:.*-|^)(\d*)(.*)/;
+ # matched (major)(.minor) of last value in range (a-B)
return sprintf('%02d', $1 || 0) . $2;
}
sub showversions {
my @span = ($_[0], @_>1 ? $_[-1] : ());
+ s/-.*// for $span[0];
for (@span) {
s/^\./0./;
s/x$/.*/;
+ s/.*-//;
}
return join('‒', @span);
}
-:></div>
-
+:>
<hr>
<div class="legend">
<td class="X l2">external (js/plugin)
<td class="X l1">missing
<td class="X l0">unknown
- <td class="X l0 ex">prefixed
+ <td class="X ex">prefixed
</table>
<p><: if ($usage) { :>
<:= defined $get{style} && 'set to ' :><em><:= $style :></em>
<li><strong>usage</strong> source is
<:= !defined $get{usage} && 'default ' :><:= defined $usage ? "<em>$usage</em>" : 'not included (<em>0</em>)' :>
+ <li>usage <strong>threshold</strong> is
+ <:= defined $get{threshold} && 'changed to ' :><em><:= $minusage :>%</em>
</ul>
</div>
</div>
-<script src="/searchlocal.js"></script>
-<script> prependsearch(document.getElementById('intro')) </script>
+<script type="text/javascript" src="/searchlocal.js"></script>
+<script type="text/javascript"> prependsearch(document.getElementById('intro')) </script>
git.shiar.nl / sheet.git / blobdiff