Support for not equal

src/helper.ts

@@ -246,6 +246,9 @@ const comparisonOperation = (
   }
 
   if (operation === Operations.notEquals) {
+    if (isMap(left) && isMap(right)) {
+      return !comparisonEqualForMap(left, right)
+    }
     return left !== right
   }
 

src/spec/maps.spec.ts

@@ -101,7 +101,7 @@ describe('maps expressions', () => {
         })
     })
 
-    describe('comparison', () => {
+    describe('equal', () => {
         it('should compare two equal maps', () => {
             const expr = '{"c": 1, "a": 1, "b": 2} == {"a": 1, "b": 2, "c": 1}'
 
@@ -119,6 +119,24 @@ describe('maps expressions', () => {
 
         })
     })
+    describe('not equal', () => {
+        it('should compare two equal maps', () => {
+            const expr = '{"c": 1, "a": 1, "b": 2} != {"a": 1, "b": 2, "c": 1}'
+
+            const result = evaluate(expr)
+
+            expect(result).toStrictEqual(false)
+
+        })
+        it('should compare two different maps', () => {
+            const expr = '{"a": 1, "b": 2} != {"a": 1, "b": 2, "c": 1}'
+
+            const result = evaluate(expr)
+
+            expect(result).toStrictEqual(true)
+
+        })
+    })
     describe('in', () => {
         it('should find a key in the map', () => {
             const expr = '"c" in {"c": 1, "a": 1, "b": 2}'