From 79b2bf1c30c65e8450f3712fcaffa39c6c3301b1 Mon Sep 17 00:00:00 2001
From: Andrew Hlynskyi <ahlincq@gmail.com>
Date: Tue, 21 Sep 2021 21:13:25 +0300
Subject: [PATCH] fix(wasm): Fix predicates in alternations, resolves #1392

---
 lib/binding_web/binding.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/binding_web/binding.js b/lib/binding_web/binding.js
index 6296ed35..5352cb18 100644
--- a/lib/binding_web/binding.js
+++ b/lib/binding_web/binding.js
@@ -785,6 +785,7 @@ class Language {
                     if (c.name === captureName1) node1 = c.node;
                     if (c.name === captureName2) node2 = c.node;
                   }
+                  if(node1 === undefined || node2 === undefined) return true;
                   return (node1.text === node2.text) === isPositive;
                 });
               } else {
@@ -796,7 +797,7 @@ class Language {
                       return (c.node.text === stringValue) === isPositive;
                     };
                   }
-                  return false;
+                  return true;
                 });
               }
               break;
@@ -819,7 +820,7 @@ class Language {
                 for (const c of captures) {
                   if (c.name === captureName) return regex.test(c.node.text) === isPositive;
                 }
-                return false;
+                return true;
               });
               break;