<(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'],
+ version => 'v1.2',
+ 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>
-
-<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>
+say "<h1>Browser compatibility</h1>\n";
-<:
-my $caniuse = do 'browser-support.inc.pl' or die $! || $@;
+my $caniuse = do 'data/browser/support.inc.pl' or die $! || $@;
$_->{verrelease} = {
- # mark last two (future) versions as unreleased, ensure current isn't
- map { $_->[-1] => 0, $_->[-2] => 0, $_->[-3] => undef } $_->{versions}
+ # mark last three (future) versions as unreleased, ensure current isn't
+ map {
+ $_->[-1] => 0, $_->[-2] => 0, $_->[-3] => 0,
+ $_->[-4] => undef,
+ } $_->{versions}
} for values %{ $caniuse->{agents} };
my %CSTATS = (
'n' => 'l1',
+ 'n d' => 'l2',
+ 'n x d' => 'l2 ex',
+ 'p d' => 'l2',
+ 'a d' => 'l2',
'y' => 'l5',
'y x' => 'l5 ex',
'a' => 'l3',
j => 'javascript required',
a => 'partial',
y => 'supported',
+ d => 'disabled by default',
x => sub {
join(' ',
'requires prefix',
);
},
);
+my %PSTATS = ( # score percentage
+ y => 1, 'y x' => .9,
+ a => .5, 'a x' => .5, 'a d' => .1,
+ j => .2, 'p j' => .2, 'n d' => .2, 'n x d' => .2,
+ p => .2, 'p p' => .2, 'p d' => .1,
+);
my %CSTATUS = (
unoff => 'l1', # unofficial
- wd => 'l3', # draft
- cr => 'l4', # candidate
- pr => 'l4', # proposed
+ wd => 'l2', # draft
+ cr => 'l3', # candidate
+ pr => 'l3', # proposed
rec => 'l5', # recommendation
- other => 'l2', # non-w3
- ietf => 'l5', # standard
+ ls => 'l4', # whatwg
+ ietf => 'l0', # standard
+ other => 'l0', # non-w3
);
my %versions;
if (my ($somerow) = values %{ $caniuse->{data} }) {
$versions{$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);
+print <<'';
+<p id="intro">Alternate rendition of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page
+
+my ($canihas, $usage);
+my $minusage = $get{threshold} // .7;
+given ($get{usage} // 'wm') {
+ when (!$_) {
+ # none
+ }
+ when (!m{ \A [a-z]\w+ (?:/\d[\d-]*\d)? \z }x) {
+ printf "<p>Invalid browser usage data request: <em>%s</em>",
+ 'identifier must be alphanumeric name or <q>0</q>';
+ }
+ $canihas = do "data/browser/usage-$_.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 $ref browser usage statistics";
+}
+
+my @browsers;
+if ($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;
+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',
+ '<th colspan="3" rowspan="2">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 {
- length $name < 3 + @{ $versions{$_} }*2 ? $name
+ 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="%s"%s>%s',
- join(' ',
- sprintf('%.1f%%', $canihas->{$browser}->{$_}),
- "version $_",
- ),
- (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;
say '</thead>';
-say '<tfoot>', $header, '</tfoot>';
+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'=>10, 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} || .001) * $statspts->{$_};
+ $rank += ($canihas->{$browser}->{$version} || .001) * $PSTATS{$_};
}
}
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;
}
+sub formatnotes {
+ my @html = @_;
+ for (@html) {
+ s/\h* $//gmx; # trailing whitespace
+ s/(?<= [^.\n]) $/./gmx; # consistently end each line by a period
+ Entity($_);
+ s{ ` ([^`]*) ` }{<code>$1</code>}gx;
+ s{ \[ ([^]]*) \] \( ([^)]*) \) }{<a href="$2">$1</a>}gx;
+ }
+ return @html;
+}
+
sub saytitlecol {
my ($id) = @_;
my $row = $caniuse->{data}->{$id};
for ($row->{categories}) {
my $cell = $_ ? lc $_->[0] : '-';
+ $cell =~ s/ api$//; # trim unessential fluff in 'js api'
printf '<th title="%s">%s', join(' + ', @$_), $cell;
}
);
} $row->{title};
print '<div class=aside>';
- s/\.?$/./, print "<p>$_</p>" for map { ref $_ ? @$_ : $_ || () }
- Entity($row->{description}), formathtml($row->{notes}); # sic
+ print "<p>$_</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 {
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};
+ my $feature = $caniuse->{data}->{$id};
+ my $data = $feature->{stats}->{$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="%s">%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 });
+
+ # 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) : $_ }
+ map { $DSTATS{$_} // () }
+ map { split / /, $_ }
+ $prev
+ ));
+ $title .= "\n".EscapeHTML($_) for @notes;
+
+ 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,
- sprintf('%.1f%% %s', $usage, join(', ',
- map { ref $_ eq 'CODE' ? $_->($browser) : $_ }
- map { $DSTATS{$_} // () }
- map { split / /, $_ }
- ref $data eq 'HASH' && $data->{$prev} || 'u'
- )),
- showversions(@span),
+ $title,
+ showversions($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>';
say '</tbody>';
say '</table>';
-sub formathtml {
- my $ref = defined wantarray ? [@_] : \@_;
- for (@$ref) {
- s/& (?!\w)/&/gx;
- s/< \s/</gx;
- s/\n\K\n/<br>/g;
- }
- return @$ref;
-}
-
sub paddedver {
# normalised version number comparable as string (cmp)
- shift =~ /^(\d*)(.*)/;
- return sprintf('%02d', $1 || 0) . $2;
+ shift =~ /(?:.*-|^)(\d*)(.*)/;
+ # matched (major)(.minor) of last value in range (a-B)
+ return sprintf('%02d', $1 || 99) . $2;
}
sub showversions {
my @span = ($_[0], @_>1 ? $_[-1] : ());
+ s/-.*// for $span[0];
for (@span) {
s/^\./0./;
s/x$/.*/;
+ s/.*-//;
}
return join('‒', @span);
}
<table class="glyphs"><tr>
<td class="X l5">supported
<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
<:= 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>
git.shiar.nl / sheet.git / blobdiff