Custom helper blocks

1 files changed, 45 insertions, 0 deletions

diff --git a/t/004-helpers.t b/t/004-helpers.t
new file mode 100644
index 0000000..3d39755
--- /dev/null
+++ b/t/004-helpers.t
@@ -0,0 +1,45 @@
+use strict;
+use warnings;
+use Test::More;
+use Text::Xslate;
+
+my $tx = Text::Xslate->new(syntax => 'Handlebars');
+
+# XXX I'm not sure how helpers should be registered in Perl
+# in JS, it's global which is crappy
+Handlebars->registerHelper(noop => sub {
+    my ($context, $options) = @_;
+    return $options->{fn}->($context);
+});
+
+is(
+    $tx->render_string(
+        '<h1>{{title}}</h1><p>{{#noop}}{{body}}{{/noop}}</p>',
+        { title => 'A', body => 'the first letter' },
+    ),
+    '<h1>A</h1><p>the first letter</p>',
+);
+
+Handlebars->registerHelper(list => sub {
+    my ($items, $options) = @_;
+    my $out = "<ul>";
+
+    for my $item (@$items) {
+        $out .= "<li>" . $options->{fn}->($item) . "</li>";
+    }
+
+    return $out . "</ul>";
+});
+
+is(
+    $tx->render_string(
+        '{{#list people}}{{firstName}} {{lastName}}{{/list}}',
+        { people => [
+            { firstName => 'Jesse',  lastName => 'Luehrs' },
+            { firstName => 'Shawn',  lastName => 'Moore' },
+            { firstName => 'Stevan', lastName => 'Little' },
+        ] },
+    ),
+    '<ul><li>Jesse Luehrs</li><li>Shawn Moore</li><li>Stevan Little</li></ul>',
+);
+