Handle Not exp better

Author: udaysingh236

package.json

@@ -13,7 +13,7 @@
     },
     "name": "@slackbyte/odata-query-parser",
     "description": "A highly versatile and fast OData Version 4.01 Parser.",
-    "version": "0.0.3",
+    "version": "0.0.4",
     "main": "dist/index.js",
     "types": "dist/index.d.ts",
     "files": [ "dist" ],

src/lib/parser.ts

@@ -78,7 +78,7 @@ class OdataQueryParser {
                         continue;
                     }
                     const trimTillSpaceStr = tillSpaceStr.trim();
-                    if (operatorLexer[trimTillSpaceStr] && operatorLexer[trimTillSpaceStr]().subType === 'notExp' && (this.prevLexerSubType === 'orExp' || this.prevLexerSubType === 'andExp')) {
+                    if (operatorLexer[trimTillSpaceStr] && operatorLexer[trimTillSpaceStr]().subType === 'notExp') {
                         // This is a valid condition for NOT expression to be in the string;
                         const token: IOdataFilterToken = operatorLexer[trimTillSpaceStr]();
                         this.appendToFilterToken(token);