Unassigned variables are set to undefined not null

Fixes boa-dev#113
pop · Sep 28, 2019 · e7b3087 · e7b3087
1 parent 48819b6
commit e7b3087
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/lib/exec.rs b/src/lib/exec.rs
@@ -392,7 +392,7 @@ impl Executor for Interpreter {
                     let (name, value) = var.clone();
                     let val = match value {
                         Some(v) => self.run(&v)?,
-                        None => Gc::new(ValueData::Null),
+                        None => Gc::new(ValueData::Undefined),
                     };
                     self.environment.create_mutable_binding(name.clone(), false);
                     self.environment.initialize_binding(&name, val);
@@ -404,7 +404,7 @@ impl Executor for Interpreter {
                     let (name, value) = var.clone();
                     let val = match value {
                         Some(v) => self.run(&v)?,
-                        None => Gc::new(ValueData::Null),
+                        None => Gc::new(ValueData::Undefined),
                     };
                     self.environment.create_mutable_binding(name.clone(), false);
                     self.environment.initialize_binding(&name, val);