Add missing type check for getTextForTokenKind

Author: armano2

src/node-utils.ts

@@ -37,7 +37,7 @@ const LOGICAL_OPERATORS: ts.LogicalOperator[] = [
   SyntaxKind.AmpersandAmpersandToken
 ];
 
-const TOKEN_TO_TEXT: { readonly [P in keyof typeof SyntaxKind]?: string } = {
+const TOKEN_TO_TEXT: { readonly [P in ts.SyntaxKind]?: string } = {
   [SyntaxKind.OpenBraceToken]: '{',
   [SyntaxKind.CloseBraceToken]: '}',
   [SyntaxKind.OpenParenToken]: '(',
@@ -191,7 +191,7 @@ function isLogicalOperator(operator: ts.Token<any>): boolean {
  * @param  {number}  kind the token's SyntaxKind
  * @returns {string}          the token applicable token as a string
  */
-function getTextForTokenKind(kind: number): string | undefined {
+function getTextForTokenKind(kind: ts.SyntaxKind): string | undefined {
   return TOKEN_TO_TEXT[kind];
 }