File Coverage

blib/lib/Acme/CPANModules/CheckingModuleInstalledLoadable.pm

Criterion	Covered	Total	%
statement	3	3	100.0
branch			n/a
condition			n/a
subroutine	1	1	100.0
pod			n/a
total	4	4	100.0

package Acme::CPANModules::CheckingModuleInstalledLoadable;

use strict;

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2023-08-06'; # DATE
our $DIST = 'Acme-CPANModules-CheckingModuleInstalledLoadable'; # DIST
our $VERSION = '0.002'; # VERSION

our $LIST = {
    summary => 'List of modules to check if a module is installed or loadable',
    description => <<'_',

If you simply want to check that a module's `.pm` file is locatable in `@INC`,
you can just do something like:

    my $mod = "Foo/Bar.pm";
    for my $dir (@INC) {
        next if ref $dir;
        if (-f "$dir/$mod") {
            print "Module $mod is installed";
            last;
        }
    }

Or you can use something like  or  which
does similar to the above.

A module can also be loaded from a require hook in ~@INC~ (like in the case of
fatpacked or datapacked script) and the above methods does not handle it.
Instead, you'll need to use 's `check_install` or
's `module_installed`:

    use Module::Load::Conditional qw(check_install);
    if (check_install(module => "Foo::Bar")) {
        # Foo::Bar is installed
    }

The above does not guarantee that the module will be loaded successfully. To
check that, there's no other way but to actually try to load it:

    if (eval { require Foo::Bar; 1 }) {
        # Foo::Bar can be loaded (and was loaded!)
    }

_
    tags => ['task'],
    entries => [
        {
            module=>'Module::Path',
        },
        {
            module=>'Module::Path::More',
        },
        {
            module=>'Module::Load::Conditional',
        },
        {
            module=>'Module::Installed::Tiny',
        },
    ],
};

1;
# ABSTRACT: List of modules to check if a module is installed or loadable

__END__