<(common.inc.plp)><:
-use 5.010;
-use utf8;
use List::Util qw(sum max first);
+no if $] >= 5.018, warnings => 'experimental::smartmatch';
Html({
title => 'browser compatibility cheat sheet',
- version => 'v1.0',
+ version => '1.4',
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
+ 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'],
});
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 %{ $caniuse->{agents} };
my %CSTATS = (
'y x' => 'l5 ex',
'a' => 'l3',
'a x' => 'l3 ex',
- 'p j' => 'l2',
- 'j' => 'l2',
'p' => 'l2',
- 'p p' => 'l2',
'u' => 'l0',
);
my %DSTATS = (
u => 'unknown',
n => 'unsupported',
p => 'plugin required',
- j => 'javascript required',
a => 'partial',
y => 'supported',
- d => 'disabled by default',
+ d => '(disabled by default)',
x => sub {
join(' ',
- 'requires prefix',
- (map "-$_-", $caniuse->{agents}->{$_[0]}->{prefix} // ()),
+ 'with prefix',
+ map {"-$_-"}
+ ($caniuse->{agents}->{$_[0]}->{prefix_exceptions} // {})->{$_[1]}
+ // $caniuse->{agents}->{$_[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 => 'l2', # 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} = [
+ sort { paddedver($a) cmp paddedver($b) } grep { defined }
+ @{ $row->{versions} }
+ ];
}
-my @browsers = keys %versions;
print <<'';
<p id="intro">Alternate rendition of Fyrd's <a href="http://caniuse.com/">when can I use...</a> page
-my ($canihas, $usage, $minusage);
+my ($canihas, $usage);
+my $minusage = $get{threshold} // 1;
given ($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>';
+ 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>.',
+ ]);
}
- $canihas = do "browser-usage-$_.inc.pl" or do {
- printf "<p>Browser usage data not found: <em>%s</em>", $! || $@;
+ $canihas = do "data/browser/usage-$_.inc.pl" or do {
+ Alert('Browser usage data not found', $@ || $!);
break;
};
$usage = $_;
my $ref = $canihas->{-title} || 'unknown';
- $ref = sprintf '<a href="%s">%s</a>', $_, $ref
+ $ref = showlink($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
}
# build row list for each version
- if ($minusage = $get{threshold} // .5) {
+ if ($minusage) {
my @vershown; # $verlist replacement
my ($rowusage, @verrow) = (0); # replacement row tracking
for (@$verlist) {
$engineuse{ $caniuse->{agents}->{$a}->{prefix} }
||
$canihas->{$b}->{-total} <=> $canihas->{$a}->{-total}
- } @browsers;
+ } 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
- } @browsers;
+ } keys %versions;
}
:>.
</p>
}
} @browsers
}; # fallback hash based on release semantics
-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
-});
+# score multiplier for percentage of all browser versions
+my $usagepct = 99.99 / sum(
+ map { $_->{-total} // values %{$_} } values %{$canihas}
+);
+
+$_->{usage} = featurescore($_->{stats}) * $usagepct
+ for values %{ $caniuse->{data} };
print '<table class="mapped">';
print '<col span="3">'; # should match first thead row
my $header = join('',
'<tr>',
- '<th colspan="3">feature',
+ '<th colspan="3" rowspan="2">feature',
(map {
my $name = $caniuse->{agents}->{$_}->{browser};
sprintf('<th colspan="%d" class="%s" title="%s">%s',
$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) {
- for (@{ $versions{$browser} }) {
- my $lastver = $_->[-1];
- my $release = $caniuse->{agents}->{$browser}->{verrelease}->{$lastver};
- my $future = defined $release;
+ for my $span (@{ $versions{$browser} }) {
+ my $lastver = first {
+ !defined $caniuse->{agents}->{$browser}->{verrelease}->{$_} # stable
+ } reverse @{$span};
printf('<td title="%s"%s>%s',
join(' ',
- sprintf('%.1f%%', sum(@{ $canihas->{$browser} }{@$_}) * $usagepct),
- $future ? 'development' : (),
- 'version ' . join(', ', @{$_}),
+ sprintf('%.1f%%', sum(@{ $canihas->{$browser} }{ @{$span} }) * $usagepct),
+ 'version ' . showversions(@{$span}, undef),
+ $span->[-1] eq $lastver ? () : '(development)',
),
- $future && ' class="ex"',
+ !defined $lastver && ' class="ex"',
showversions($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=>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} || .001) * $statspts->{$_};
+ while (my ($version, $status) = each %$versions) {
+ $status =~ s/\h\#\d+//g;
+ $rank += ($canihas->{$browser}->{$version} || .001) * $PSTATS{$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;
}
+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{ \[ ([^]]*) \] \( ([^)]*) \) }{<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};
);
} $row->{title};
print '<div class=aside>';
- s/\.?$/./, print "<p>$_</p>" for map { ref $_ ? @$_ : $_ || () }
- Entity($row->{description}),
- map { s/\s*\n/\n<br>/g; $_ } $row->{notes};
+ print "<p>$_</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}), $_->{title}
+ showlink($_->{title}, $_->{url})
} @$_) for grep { @$_ } $row->{links} // ();
printf '<br>Parent feature: %s.', join(', ', map {
- sprintf '<a href="%s">%s</a>', EscapeHTML("#$_"), $caniuse->{data}->{$_}->{title}
+ showlink($caniuse->{data}->{$_}->{title}, "#$_")
} $_) for $row->{parent} || ();
print '</div>';
}
for ($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;
}
|| 'u' # unsure
);
unless (!defined $prev or $prev ~~ $compare) {
- my $usage = sum(@{ $canihas->{$browser} }{ map { @{$_} } @span });
+ my @vercover = (map { @{$_} } @span);
+ for ($ver ? @{$ver} : ()) {
+ $data->{$_} eq $data->{$vercover[-1]} or last;
+ push @vercover, $_; # matches from next span start
+ }
+ my $usage = sum(@{ $canihas->{$browser} }{@vercover});
# strip #\d note references from support class
my @notes;
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
+ 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),
));
- $title .= "\n".EscapeHTML($_) for @notes;
+ $title .= "\n$_" for notestotitle(@notes);
printf('<td class="%s" colspan="%d" title="%s">%s',
join(' ',
sprintf('p%01d', $usage * ($usagepct - .0001) / 10),
sprintf('p%02d', $usage * ($usagepct - .0001)),
),
- sprintf('pp%02d', $usage / $usagemax),
),
scalar @span,
$title,
- showversions($span[0]->[0], @span > 1 ? ($span[-1]->[-1]) : ()),
+ showversions($span[0]->[0], @span > 1 ? $span[-1]->[-1] : ()),
);
undef $prev;
@span = ();
sub sayusagecol {
my ($id) = @_;
- print '<td>', int featurescore($caniuse->{data}->{$id}->{stats}) * $usagepct;
+ print '<td>', int $caniuse->{data}->{$id}->{usage};
}
say '<tbody>';
for my $id (sort {
- featurescore($caniuse->{data}->{$b}->{stats})
- <=> featurescore($caniuse->{data}->{$a}->{stats})
+ $caniuse->{data}->{$b}->{usage} <=> $caniuse->{data}->{$a}->{usage}
} keys %{ $caniuse->{data} }) {
$caniuse->{data}->{$id}->{stats} or next; # skip metadata [summary]
printf '<tr id="%s">', $id;
sub paddedver {
# normalised version number comparable as string (cmp)
- shift =~ /(?:.*-|^)(\d*)(.*)/;
+ $_[0] =~ m/(?:.*-|^)(\d*)(.*)/;
# matched (major)(.minor) of last value in range (a-B)
- return sprintf('%02d', $1 || 99) . $2;
+ return sprintf('%02d', length $1 ? $1 : 99) . $2;
}
sub showversions {
- my @span = ($_[0], @_>1 ? $_[-1] : ());
- s/-.*// for $span[0];
- for (@span) {
- s/^\./0./;
- s/x$/.*/;
- s/.*-//;
- }
+ # 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);
}