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package Local::Utils;

use strict;
use warnings;

use HTML::Escape;
use Data::Printer;
use DateTime::Format::Strptime;

sub symbolise { # transform eg 10/9/l & /ul
    my $string = shift || return; # warn $string;

    my $formatted = HTML::Escape::escape_html($string); # p $formatted;

    $formatted =~ s/(\d)\/ul/$1\/µL/ig;    # /ul
    $formatted =~ s/10\/(6|9)\/(l|kg)/10<sup>$1<\/sup>\/$2/ig; # 10/9/l; 10/6/kg; etc
    $formatted =~ s/10\^(\d)/10<sup>$1<\/sup>/g;         # 10^6; 10^9; etc
		# p $formatted;
    return $formatted;
}

sub time_now {
    my $args = shift || {}; # p $args; # optional args for DT constructor
    $args->{time_zone} ||= 'Europe/London';
    # default format "yyyy-mm-dd hr:min:sec" if called as time_now() ie without ->function:
    $args->{formatter} ||= DateTime::Format::Strptime->new( pattern => '%F %T' );
    return DateTime->now(%$args);
}

1;