lint!

Author: yaacovCR

src/language/__tests__/parser-test.ts

@@ -11,7 +11,6 @@ import { Kind } from '../kinds';
 import { parse, parseConstValue, parseType, parseValue } from '../parser';
 import { Source } from '../source';
 import { TokenKind } from '../tokenKind';
-import { OperationDefinitionNode } from '../ast';
 
 function expectSyntaxError(text: string) {
   return expectToThrowJSON(() => parse(text));

src/language/parser.ts

@@ -311,7 +311,7 @@ export class Parser {
         );
       }
 
-      if (keywordToken.value == 'extend') {
+      if (keywordToken.value === 'extend') {
         return this.parseTypeSystemExtension();
       }
     }