Fix. Do not mutate the input raw Query

index.js

@@ -6,6 +6,8 @@ var functionOperators = [
   /* ---- */
   'OR',
   'AND',
+  'EQ',
+  '=',
   /* ---- */
   'OR_BETWEEN',
   'OR_IN',
@@ -20,6 +22,8 @@ var functionOperatorMap = {
   /* ---- */
   OR: 'orWhere',
   AND: 'where',
+  EQ: 'where',
+  '=': 'where',
   /* ---- */
   OR_BETWEEN: 'orWhereBetween',
   OR_IN: 'orWhereIn',
@@ -33,19 +37,19 @@ var functionOperatorMap = {
 function addCondition (q, field, val) {
   if (Array.isArray(val[0])) {
     return q.where(function () {
-      return val.forEach(addCondition.bind(null, this, field))
+      return val.forEach(addCondition.bind(null, this, field));
-    })
+    });
   }
   
   if (!Array.isArray(val)) {
-    val = ['AND', field, val ]
+    val = ['AND', field, val ];
   } else if (functionOperators.indexOf(val[0]) !== -1) {
-    val.splice(1, 0, field)
+    val = [ val[0], field ].concat(val.slice(1));
   } else {
-    val = [ 'AND', field ].concat(val)
+    val = [ 'AND', field ].concat(val);
   }
 
-  return q[functionOperatorMap[val[0]]].apply(q, val.slice(1))
+  return q[functionOperatorMap[val[0]]].apply(q, val.slice(1));
 }
 
 

test.js

@@ -12,6 +12,16 @@ var conditions= [
     input:{ f1: 10, f2: 20, f3: 30 },
     output: 'select * where ("f1" = 10 and "f2" = 20 and "f3" = 30)'
   },
+  {
+    name: 'handle simple and conditions',
+    input:{"firstName":[["LIKE","H%"],["OR","hemanth"]]},
+    output: 'select * where (("firstName" LIKE \'H%\' or "firstName" = \'hemanth\'))'
+  },
+  {
+    name: 'handle simple and conditions',
+    input:{ f1: [[ 'A' ],['LIKE', 'B' ]], f2: 20, f3: 30 },
+    output: 'select * where (("f1" = \'A\' and "f1" LIKE \'B\') and "f2" = 20 and "f3" = 30)'
+  },
   {
     name: 'handle basic operators :: greater-than less-than',
     input:{ f1: ['>', 10], f2: [ '<', 20 ], f3: 30 },