File Coverage

blib/lib/Data/Sah/Filter/perl/Str/ltrim.pm

Criterion	Covered	Total	%
statement	8	14	57.1
branch			n/a
condition			n/a
subroutine	3	5	60.0
pod	0	2	0.0
total	11	21	52.3

package Data::Sah::Filter::perl::Str::ltrim;

use 5.010001;
use strict;
use warnings;

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2024-07-17'; # DATE
our $DIST = 'Data-Sah-Filter'; # DIST
our $VERSION = '0.025'; # VERSION

sub meta {
    +{
        v => 1,
        summary => 'Trim whitespaces at the beginning of string',
        description => <<'_',

Leading tabs and newlines will also be trimmed.

_
        examples => [
            {value=>'foo'},
            {value=>' foo ', filtered_value=>'foo '},
            {value=>"  \t  \nfoo ", filtered_value=>'foo ', summary=>"Leading tabs and newlines will also be trimmed"},
        ],
    };
}

sub filter {
    my %args = @_;

    my $dt = $args{data_term};

    my $res = {};
    $res->{expr_filter} = join(
        "",
        "do { my \$res = $dt; \$res =~ s/\\A\\s+//s; \$res }",
    );

    $res;
}

1;
# ABSTRACT: Trim whitespaces at the beginning of string

__END__