From 24c45819483c8d26c31a2ca8d834d199d1cd63d3 Mon Sep 17 00:00:00 2001
From: Antoine Veldhoven <antoine@invitado.nl>
Date: Fri, 22 Sep 2023 10:38:28 +0200
Subject: [PATCH] Make is empty return false for boolean true.

---
 src/twig.tests.js  |  6 ++++++
 test/test.tests.js | 12 ++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/twig.tests.js b/src/twig.tests.js
index edcd599d..00faba75 100644
--- a/src/twig.tests.js
+++ b/src/twig.tests.js
@@ -5,6 +5,12 @@ module.exports = function (Twig) {
     'use strict';
     Twig.tests = {
         empty(value) {
+            // Handle boolean true
+            if (value === true) {
+                return false;
+            }
+
+            // Handle null or undefined
             if (value === null || value === undefined) {
                 return true;
             }
diff --git a/test/test.tests.js b/test/test.tests.js
index 2da23b1b..20ac54aa 100644
--- a/test/test.tests.js
+++ b/test/test.tests.js
@@ -22,6 +22,18 @@ describe('Twig.js Tests ->', function () {
             twig({data: '{{ ["1"] is empty }}'}).render().should.equal('false');
         });
 
+        it('should identify booleans', function () {
+            // Array
+            twig({data: '{{ foo is empty }}'}).render( { foo: true } ).should.equal('false');
+            twig({data: '{{ foo is empty }}'}).render( { foo: false }).should.equal('true');
+        });
+
+        it('should identify null or undefined', function () {
+            // Array
+            twig({data: '{{ foo is empty }}'}).render( {foo: null} ).should.equal('true');
+            twig({data: '{{ foo is empty }}'}).render( {foo: undefined} ).should.equal('true');
+        });
+
         it('should identify empty objects', function () {
             // Object
             twig({data: '{{ {} is empty }}'}).render().should.equal('true');