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HTML::Packer(3) User Contributed Perl Documentation HTML::Packer(3)

HTML::Packer - Another HTML code cleaner

Version 2.10

A HTML Compressor.

    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 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 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.

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>

Please report any bugs or feature requests through the web interface at <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.

You can find documentation for this module with the perldoc command.

perldoc HTML::Packer

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.

HTML::Clean
2020-01-13 perl v5.32.1

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