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# NAME
HTML::Packer - Another HTML code cleaner
<div>
<a href='https://travis-ci.org/leejo/html-packer-perl?branch=master'><img src='https://travis-ci.org/leejo/html-packer-perl.svg?branch=master' alt='Build Status' /></a>
<a href='https://coveralls.io/r/leejo/html-packer-perl'><img src='https://coveralls.io/repos/leejo/html-packer-perl/badge.png?branch=master' alt='Coverage Status' /></a>
</div>
# VERSION
Version 2.11
# DESCRIPTION
A HTML Compressor.
# SYNOPSIS
use HTML::Packer;
my $packer = HTML::Packer->init();
$packer->minify( $scalarref, $opts );
To return a scalar without changing the input simply use (e.g. example 2):
my $ret = $packer->minify( $scalarref, $opts );
For backward compatibility it is still possible to call 'minify' as a function:
HTML::Packer::minify( $scalarref, $opts );
First argument must be a scalarref of HTML-Code.
Second argument must be a hashref of options. Possible options are
- remove\_comments
HTML-Comments will be removed if 'remove\_comments' has a true value. Comments starting with `<!--#`,
`<!--[` or `<!-- google_ad_section_` will be preserved unless 'remove\_comments\_aggressive' has a true value.
- remove\_comments\_aggressive
See 'remove\_comments'.
- remove\_newlines
ALL newlines will be removed if 'remove\_newlines' has a true value.
- do\_javascript
Defines compression level for javascript. Possible values are 'clean', 'obfuscate', 'shrink' and 'best'.
Default is no compression for javascript.
This option only takes effect if [JavaScript::Packer](https://metacpan.org/pod/JavaScript%3A%3APacker) is installed.
- do\_stylesheet
Defines compression level for CSS. Possible values are 'minify' and 'pretty'.
Default is no compression for CSS.
This option only takes effect if [CSS::Packer](https://metacpan.org/pod/CSS%3A%3APacker) is installed.
- do\_csp
Defines hash algorithm for `Content-Security-Policy`, or CSP, hashes of
embedded `<script>` and `<style>` tags.
Allowed values are `'sha256'`, `'sha384'`, `'sha512'`.
It may be left blank or set to a Perl false value to indicate that hashes
should not be calculated, if performance is a concern.
- no\_compress\_comment
If not set to a true value it is allowed to set a HTML comment that prevents the input being packed.
<!-- HTML::Packer _no_compress_ -->
Is not set by default.
- html5
If set to a true value closing slashes will be removed from void elements.
- csp
If `do_csp` is set to `'sha256'`, returns a hash that looks like this:
(
'script-src' => [qw( sha256-...= sha256-...= )],
'style-src' => [qw( sha256-...= sha256-...= )],
)
with each element of the `ARRAY`refs containing a CSP-friendly hash for a
`<script>` or `<style>` tag.
# AUTHOR
Merten Falk, `<nevesenin at cpan.org>`. Now maintained by Lee
Johnson (LEEJO) with contributions from:
Alexander Krizhanovsky <ak@natsys-lab.com>
Bas Bloemsaat <bas@bloemsaat.com>
girst <girst@users.noreply.github.com>
Ankit Pati (ANKITPATI) <contact@ankitpati.in>
# BUGS
Please report any bugs or feature requests through
the web interface at [https://github.com/leejo/html-packer-perl/issues](https://github.com/leejo/html-packer-perl/issues). I will be notified, and then you'll
automatically be notified of progress on your bug as I make changes.
# SUPPORT
You can find documentation for this module with the perldoc command.
perldoc HTML::Packer
# COPYRIGHT & LICENSE
Copyright 2009 - 2011 Merten Falk, all rights reserved.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
# SEE ALSO
[HTML::Clean](https://metacpan.org/pod/HTML%3A%3AClean)
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