refactor: switched to template literals for string concatination

Author: NicolaiSchmid

node-client/src/config.ts

@@ -164,7 +164,7 @@ export class KubeConfig {
         this.clusters = [
             {
                 name: clusterName,
-                caFile: pathPrefix + Config.SERVICEACCOUNT_CA_PATH,
+                caFile: `${pathPrefix}${Config.SERVICEACCOUNT_CA_PATH}`,
                 caData: null,
                 server: `${scheme}://${host}:${port}`,
                 skipTLSVerify: false,
@@ -173,7 +173,7 @@ export class KubeConfig {
         this.users = [
             {
                 name: userName,
-                token: fs.readFileSync(pathPrefix + Config.SERVICEACCOUNT_TOKEN_PATH).toString(),
+                token: fs.readFileSync(`${pathPrefix}${Config.SERVICEACCOUNT_TOKEN_PATH}`).toString(),
                 // empty defaults, fields are required...
                 certData: null,
                 certFile: null,