<(common.inc.plp)><:
-use 5.010;
-use utf8;
-use List::Util qw(sum max);
+use List::Util qw(sum max first);
+no if $] >= 5.018, warnings => 'experimental::smartmatch';
Html({
title => 'browser compatibility cheat sheet',
- version => 'v1.0',
- description =>
- "caniuse.",
- keywords => [qw'html css browser feature'],
+ version => '1.6',
+ description => [
+ "Compatibility table of new web features (HTML5, CSS3, SVG, Javascript)",
+ "comparing support and usage share for all popular browser versions.",
+ ],
+ keywords => [qw'
+ web browser support compatibility usage matrix available feature
+ html html5 css css3 svg javascript js dom mobile
+ ie internet explorer firefox chrome safari webkit opera
+ '],
stylesheet => [qw'circus dark mono red light'],
- data => ['browser-support.inc.pl'],
+ data => ['data/browser/support.inc.pl'],
});
-:>
-<h1>Browser compatibility</h1>
+say "<h1>Browser compatibility</h1>\n";
-<p>Alternate view of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page<:
-my ($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 $! || $@;
+my $caniuse = Data('data/browser/support');
my %CSTATS = (
'n' => 'l1',
+ 'n d' => 'l2',
+ 'n x d' => 'l2 ex',
+ 'p d' => 'l2',
+ 'a d' => 'l2',
'y' => 'l5',
- 'y x' => 'l4',
+ 'y #' => 'l4',
+ 'y x' => 'l5 ex',
+ 'y x #' => 'l4 ex',
'a' => 'l3',
- 'a x' => 'l3',
- 'p j' => 'l2',
- 'j' => 'l2',
+ 'a x' => 'l3 ex',
'p' => 'l2',
'u' => 'l0',
+ 'u d' => 'l2',
+);
+my %DSTATS = (
+ u => 'unknown',
+ n => 'unsupported',
+ p => 'plugin required',
+ a => 'partial',
+ y => 'supported',
+ d => '(disabled by default)',
+ x => sub {
+ join(' ',
+ 'with prefix',
+ map {"-$_-"}
+ $caniuse->{agents}->{$_[0]}->{version_list}->{$_[1]}->{prefix}
+ // $caniuse->{agents}->{$_[0]}->{prefix} // (),
+ );
+ },
+);
+my %PSTATS = ( # score percentage
+ y => 1, 'y x' => .9,
+ a => .5, 'a x' => .5, 'a d' => .2,
+ p => .2, 'p d' => .1,
+ n => 0, 'n d' => .2, 'n x d' => .2,
+ u => 0,
);
my %CSTATUS = (
unoff => 'l1', # unofficial
- wd => 'l3', # draft
- cr => 'l4', # candidate
- pr => 'l4', # proposed
+ wd => 'l2', # draft
+ cr => 'l3', # candidate
+ pr => 'l3', # proposed
rec => 'l5', # recommendation
- other => 'l5', # non-w3
- ietf => 'l5', # standard
+ ls => 'l4', # whatwg
+ ietf => 'l0', # standard
+ other => 'l0', # non-w3
);
my %versions;
-if (my ($somerow) = values %{ $caniuse->{data} }) {
- while (my ($browser, $row) = each %{ $somerow->{stats} }) {
- $versions{$browser} = [ sort { paddedver($a) cmp paddedver($b) } keys %$row ];
+while (my ($browser, $row) = each %{ $caniuse->{agents} }) {
+ $versions{$browser} = [@{ $row->{versions} }];
+}
+
+my $ref = showlink('Can I use', 'https://caniuse.com/');
+$ref =~ s/(?=>)/ title="updated $_"/
+ for map { s/[\sT].*//r } $caniuse->{-date} || ();
+$ref = "Fyrd's $ref page";
+say '<p id="intro">Alternate rendition of '.$ref;
+
+my ($canihas, $usage);
+my $minusage = $get{threshold} // 1;
+given ($get{usage} // 'wm') {
+ when (!$_) {
+ # none
+ }
+ when (!m{ \A [a-z]\w+ (?:/\d[\d-]*\d)? \z }x) {
+ Alert([
+ 'Invalid browser usage data request',
+ 'Identifier must be alphanumeric name or <q>0</q>.',
+ ]);
}
+ $canihas = eval { Data("data/browser/usage-$_") } or do {
+ Alert('Browser usage data not found', $@);
+ break;
+ };
+ $usage = $_;
+ my $ref = $canihas->{-title} || 'unknown';
+ $ref = showlink($ref, $_)
+ for $canihas->{-site} || $canihas->{-source} || ();
+ $ref =~ s/(?=>)/ title="updated $_"/ for $canihas->{-date} || ();
+ print "\nwith $ref browser usage statistics";
}
-my @browsers = grep { $versions{$_} }
- qw(trident gecko webkit_saf ios_saf webkit_chr android presto op_mob op_mini);
+my @browsers;
+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;
+ if ($minusage and sum(values %$row) < $minusage) {
+ delete $versions{$browser};
+ 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) {
+ 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}
+ } keys %versions;
+}
+else {
+ # order browser columns by name grouped by engine
+ @{$_} = map { [$_] } @{$_} for values %versions;
+ @browsers = sort {
+ $caniuse->{agents}->{$b}->{prefix} cmp
+ $caniuse->{agents}->{$a}->{prefix}
+ ||
+ $a cmp $b
+ } keys %versions;
+}
+:>.
+</p>
+
+<:
$canihas ||= {
map {
$_ => +{
}
} @browsers
}; # fallback hash based on release semantics
-my $scorediv = (max(map { ref $_ eq 'HASH' && sum(values %$_) } values %$canihas) // 1) / 100;
+
+# score multiplier for percentage of all browser versions
+my $usagepct = 99.99 / sum(
+ map { $_->{-total} // values %{$_} }
+ map { $canihas->{$_} }
+ grep { !/^-/ }
+ keys %{$canihas}
+);
+
+$_->{usage} = featurescore($_->{stats}) * $usagepct
+ for values %{ $caniuse->{data} };
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',
+ '<th colspan="3" rowspan="2">feature',
(map {
- sprintf('<th colspan="%d" title="%.1f%%">%s',
+ my $name = $caniuse->{agents}->{$_}->{browser};
+ sprintf('<th colspan="%d" class="%s" title="%s">%s',
scalar @{ $versions{$_} },
- sum(values %{ $canihas->{$_} }),
+ join(' ', map {"b-a-$_"} grep {$_}
+ $_, @{ $caniuse->{agents}->{$_} }{'prefix', 'type'},
+ ),
+ join(' ',
+ sprintf('%.1f%%', $canihas->{$_}->{-total} * $usagepct),
+ $name,
+ ),
do {
- my $name = $caniuse->{agents}->{$_}->{browser};
- length $name < 16 ? $name : $caniuse->{agents}->{$_}->{abbr};
+ length $name <= (3 * @{ $versions{$_} }) ? $name
+ : $caniuse->{agents}->{$_}->{abbr};
},
)
} @browsers),
- '<th>%',
+ '<th rowspan="2">%',
);
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} };
+ for my $span (@{ $versions{$browser} }) {
+ my $lastver = first {
+ $caniuse->{agents}->{$browser}->{version_list}->{$_}->{release_date} # stable
+ } reverse @{$span};
+ printf('<td title="%s"%s>%s',
+ join(' ',
+ sprintf('%.1f%%', sum(@{ $canihas->{$browser} }{ @{$span} }) * $usagepct),
+ 'version ' . showversions(@{$span}, undef),
+ (map {
+ $_ ? sprintf('(released %d)', $_/3600/24/365.25 + 1970) : '(development)'
+ } $caniuse->{agents}->{$browser}->{version_list}->{$lastver}->{release_date}),
+ ),
+ !defined $lastver && ' class="ex"',
+ showversions($lastver // $span->[0]),
+ );
+ }
}
-print '<td>' x 1;
-print "</thead>\n";
+say '</thead>';
+say '<tfoot>', $header;
+{
+ # prefix indicates browser family; count adjacent families
+ my (@families, %familycount);
+ for my $browser (@browsers) {
+ my $family = $caniuse->{agents}->{$browser}->{prefix};
+ push @families, $family unless $familycount{$family};
+ $familycount{$family} += @{ $versions{$browser} };
+ }
+
+ print "\n", '<tr class="cat">';
+ printf '<th colspan="%d">%s', $familycount{$_}, $_ for @families;
+}
+say '</tfoot>';
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) {
ref $versions eq 'HASH' or next;
- while (my ($version, $_) = each %$versions) {
- $rank += $canihas->{$browser}->{$version} * $statspts->{$_};
+ my $prev;
+ for my $version (@{ $caniuse->{agents}->{$browser}->{versions} }) {
+ my $status = $versions->{$version} // $prev;
+ $status =~ s/\h\#\d+//g;
+ $rank += ($canihas->{$browser}->{$version} || .001) * $PSTATS{$status};
+ $prev = $status;
}
}
return $rank;
}
splice @vers, -1, 0, @future; # move ahead to decrease precedence
}
- $rank += $statspts->{$_} * 2**($div--) for reverse @vers;
+ $rank += $PSTATS{$_} * 2**($div--) for reverse @vers;
}
}
return $rank;
}
-for my $id (sort {
- featurescore($caniuse->{data}->{$b}->{stats})
- <=> featurescore($caniuse->{data}->{$a}->{stats})
-} keys %{ $caniuse->{data} }) {
+sub formatnotes {
+ my @html = @_;
+ for (@html) {
+ s/\r\n?/\n/g; # windows returns
+ s/\h* $//gmx; # trailing whitespace
+ s/(?<= [^.\n]) $/./gmx; # consistently end each line by a period
+ Entity($_);
+ s{ ` ([^`]*) ` }{<code>$1</code>}gx;
+ s{ \(\K (?: \Qhttps://caniuse.com\E )? (?: /? \#feat= | / ) }{#}gx;
+ s{ \[ ([^]]*) \] \( ([^)]*) \) }{<a href="$2">$1</a>}gx;
+ }
+ return @html;
+}
+
+sub notestotitle {
+ my @notes = @_;
+ for (@notes) {
+ EscapeHTML($_);
+ s{ \[ ([^]]*) \] \( [^)]* \) }{$1}gx; # strip link urls
+ }
+ return @notes;
+}
+
+sub saytitlecol {
+ my ($id) = @_;
my $row = $caniuse->{data}->{$id};
- my $data = $row->{stats} or next; # skip metadata [summary]
- printf '<tr id="%s">', $id;
+
for ($row->{categories}) {
my $cell = $_ ? lc $_->[0] : '-';
- print '<th>', $cell;
+ $cell =~ s/ api$//; # trim unessential fluff in 'js api'
+ printf '<th title="%s">%s', join(' + ', @$_), $cell;
}
+
print '<td>', map {
sprintf('<a href="%s" onclick="%s">%s</a>',
"#$id",
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 { @$_ } $row->{links} // ();
+ print "<p>$_</p>"
+ for formatnotes($row->{description}, $row->{notes} || ());
+ if (my %notes = %{ $row->{notes_by_num} }) {
+ say '<p>Browser-specific notes:';
+ say "<br>#$_: ", formatnotes($notes{$_}) for sort keys %notes;
+ say '</p>';
+ }
+ printf 'Resources: %s.', join(', ', map {
+ showlink($_->{title}, $_->{url})
+ } @$_) for grep { @$_ } $row->{links} // ();
+ printf '<br>Parent feature: %s.', join(', ', map {
+ showlink($caniuse->{data}->{$_}->{title}, "#$_")
+ } $_) for $row->{parent} || ();
print '</div>';
+}
+
+sub saystatuscol {
+ my ($id) = @_;
+ my $row = $caniuse->{data}->{$id};
+
for ($row->{status}) {
my $cell = $_ // '-';
- $cell = sprintf '<a href="%s">%s</a>', $_, $cell for $row->{spec} // ();
+ $cell = showlink($cell, $_) for $row->{spec} // ();
printf '<td title="%s" class="l %s">%s',
$caniuse->{statuses}->{$_}, $CSTATUS{$_} // '', $cell;
}
- for my $browser (@browsers) {
- my ($prev, @span);
- for my $ver (@{ $versions{$browser} }, undef) {
- unless (!defined $prev
- or ref $data->{$browser} eq 'HASH'
- && $data->{$browser}->{$prev} ~~ $data->{$browser}->{$ver}) {
- my $usage = sum(map { $canihas->{$browser}->{$_} } @span);
- printf '<td class="%s" colspan="%d" title="%.1f%%">%s',
- join(' ',
- X => $CSTATS{
- ref $data->{$browser} ne 'HASH' ? 'u' :
- $data->{$browser}->{$prev} // 'u'
- },
- !$usage ? ('p0') : ('p',
- sprintf('p%01d', $usage / 10),
- sprintf('p%02d', $usage),
- ),
- sprintf('pp%02d', $usage / $scorediv),
- ),
- scalar @span,
- $usage,
- showversions(@span),
- undef $prev;
- @span = ();
+}
+
+sub saybrowsercols {
+ my ($id, $browser) = @_;
+ my $feature = $caniuse->{data}->{$id};
+ my $data = $feature->{stats}->{$browser};
+ if (ref $data eq 'ARRAY') {
+ # special case for unsupported
+ $data = {
+ map { $_ => 'n' }
+ keys %{ $caniuse->{agents}->{$browser}->{version_list} }
+ };
+ }
+
+ my ($prev, @span);
+ for my $ver (@{ $versions{$browser} }, undef) {
+ my $compare = (
+ !defined $ver ? undef : # last column if nameless
+ ref $data ne 'HASH' ? '' : # unclassified if no support hash
+ (first { defined } @{$data}{ reverse @{$ver} }) # last known version
+ // $prev # inherit from predecessor
+ || 'u' # unsure
+ );
+ if (defined $prev and not $prev ~~ $compare) {
+ # different columns
+ my @vercover = (map { @{$_} } @span); # accumulated conforming versions
+ for ($ver ? @{$ver} : ()) {
+ last if defined $data->{$_}; # until different
+ push @vercover, $_; # matches from next span start
}
- push @span, $ver;
- $prev = $ver;
+ my $usage = sum(@{ $canihas->{$browser} }{@vercover});
+
+ # strip #\d note references from support class
+ my @notes;
+ push @notes, $feature->{notes_by_num}->{$1}
+ while $prev =~ s/\h \# (\d+) \b//x;
+
+ # prepare version hover details
+ my $title = sprintf('%.1f%% %s', $usage * $usagepct, join(' ',
+ (map { ref $_ eq 'CODE' ? $_->($browser, $vercover[0]) : $_ }
+ map { $DSTATS{$_} // () }
+ map { split / /, $_ }
+ $prev
+ ),
+ 'in', $caniuse->{agents}->{$browser}->{abbr},
+ showversions(@vercover, undef),
+ ));
+ $title .= "\n$_" for notestotitle(@notes);
+
+ $prev .= ' #' if @notes and $prev =~ /^y/;
+ printf('<td class="%s" colspan="%d" title="%s">%s',
+ join(' ',
+ X => $CSTATS{$prev},
+ !$usage ? ('p0') : ('p',
+ sprintf('p%01d', $usage * ($usagepct - .0001) / 10),
+ sprintf('p%02d', $usage * ($usagepct - .0001)),
+ ),
+ ),
+ scalar @span,
+ $title,
+ showversions($span[0]->[0], @span > 1 && defined $ver ? $span[-1]->[-1] : ()),
+ );
+ undef $prev;
+ @span = ();
}
+ if ($ver) {
+ my $startversion = first { defined $data->{ $ver->[$_] } }
+ reverse 0 .. $#{$ver}; # compare index
+ push @span, [ @{$ver}[ $startversion .. $#{$ver} ] ];
+ }
+ $prev = $compare;
}
- 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>', $header;
-print '</table>';
+
+sub sayusagecol {
+ my ($id) = @_;
+ print '<td>', int $caniuse->{data}->{$id}->{usage};
+}
+
+say '<tbody>';
+for my $id (sort {
+ $caniuse->{data}->{$b}->{usage} <=> $caniuse->{data}->{$a}->{usage}
+} keys %{ $caniuse->{data} }) {
+ $caniuse->{data}->{$id}->{stats} or next; # skip metadata [summary]
+ printf '<tr id="%s">', $id;
+ saytitlecol($id);
+ saystatuscol($id);
+ saybrowsercols($id, $_) for @browsers;
+ sayusagecol($id);
+ say '</tr>';
+}
+say '</tbody>';
+say '</table>';
sub paddedver {
# normalised version number comparable as string (cmp)
- shift =~ /^(\d*)(.*)/;
- return sprintf('%02d', $1 || 0) . $2;
+ $_[0] =~ m/(?:.*-|^)(\d*)(.*)/;
+ # matched (major)(.minor) of last value in range (a-B)
+ return sprintf('%03d', length $1 ? $1 : 999) . $2;
}
sub showversions {
- my @span = ($_[0], @_>1 ? $_[-1] : ());
- for (@span) {
- s/^\./0./;
- s/x$/.*/;
- }
+ # title to describe minumum version and optional maximum for multiple cells
+ my @span = (map { split /-/ } grep { defined } @_);
+ return $span[0] =~ s/\.0\z//r if @_ <= 1;
+ splice @span, 1, -1;
return join('‒', @span);
}
-:></div>
-
+:>
<hr>
<div class="legend">
<table class="glyphs"><tr>
<td class="X l5">supported
- <td class="X l4">prefixed
+ <td class="X l4">annotated
<td class="X l3">partial
- <td class="X l2">external (js/plugin)
+ <td class="X l2">optional
<td class="X l1">missing
<td class="X l0">unknown
+ <td class="X ex">prefixed
</table>
<p><: if ($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 type="text/javascript" src="/searchlocal.js"></script>
+<script type="text/javascript"><!--
+ prependsearch(document.getElementById('intro'));
+//--></script>
+
git.shiar.nl / sheet.git / blobdiff