diff --git a/lib/js/Gruntfile.js b/lib/js/Gruntfile.js
index 9771314..089ef8f 100644
--- a/lib/js/Gruntfile.js
+++ b/lib/js/Gruntfile.js
@@ -5,47 +5,48 @@
 // Grunt Setup -  npm install  //reads the ./package.json and installs project dependencies
 // Run grunt -    npx grunt  // uses project-local installed version of grunt (from package.json)
 
-module.exports = function(grunt) {
-  'use strict';
+module.exports = function (grunt) {
+  "use strict";
 
   grunt.initConfig({
-    pkg: grunt.file.readJSON('package.json'),
+    pkg: grunt.file.readJSON("package.json"),
     concat: {
       options: {
-        separator: ';'
+        separator: ";",
       },
       dist: {
-        src: ['src/**/*.js'],
-        dest: 'dist/<%= pkg.name %>.js'
-      }
+        src: ["src/**/*.js"],
+        dest: "dist/<%= pkg.name %>.js",
+      },
     },
-    jsdoc : {
-        dist : {
-            src: ['src/*.js', './README.md'],
-            options: {
-              destination: 'doc'
-            }
-        }
+    jsdoc: {
+      dist: {
+        src: ["src/*.js", "./README.md"],
+        options: {
+          destination: "doc",
+        },
+      },
     },
     uglify: {
       options: {
-        banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'
+        banner:
+          '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n',
       },
       dist: {
         files: {
-          'dist/<%= pkg.name %>.min.js': ['<%= concat.dist.dest %>']
-        }
-      }
+          "dist/<%= pkg.name %>.min.js": ["<%= concat.dist.dest %>"],
+        },
+      },
     },
     shell: {
       InstallThriftJS: {
-        command: 'cp src/thrift.js test/build/js/thrift.js'
+        command: "cp src/thrift.js test/build/js/thrift.js",
       },
       InstallThriftNodeJSDep: {
-        command: 'cd ../.. && npm install'
+        command: "cd ../.. && npm install",
       },
       InstallTestLibs: {
-        command: 'cd test && ant download_jslibs'
+        command: "cd test && ant download_jslibs",
       },
       ThriftGen: {
         command: [
@@ -55,34 +56,38 @@
           '"../../compiler/cpp/thrift" -gen js:node --out test/gen-nodejs ../../test/v0.16/ThriftTest.thrift',
           '"../../compiler/cpp/thrift" -gen js:es6 --out test/gen-js-es6 ../../test/v0.16/ThriftTest.thrift',
           '"../../compiler/cpp/thrift" -gen js:node,es6 --out ./test/gen-nodejs-es6 ../../test/v0.16/ThriftTest.thrift',
-        ].join(' && ')
+        ].join(" && "),
       },
       ThriftGenJQ: {
-        command: '../../compiler/cpp/thrift -gen js:jquery -gen js:node -o test ../../test/v0.16/ThriftTest.thrift'
+        command:
+          "../../compiler/cpp/thrift -gen js:jquery -gen js:node -o test ../../test/v0.16/ThriftTest.thrift",
       },
       ThriftGenDeepConstructor: {
-        command: '../../compiler/cpp/thrift -gen js -o test ../../test/JsDeepConstructorTest.thrift'
+        command:
+          "../../compiler/cpp/thrift -gen js -o test ../../test/JsDeepConstructorTest.thrift",
       },
       ThriftBrowserifyNodeInt64: {
         command: [
-          './node_modules/browserify/bin/cmd.js ./node_modules/node-int64/Int64.js -s Int64 -o test/build/js/lib/Int64.js',
-          './node_modules/browserify/bin/cmd.js ../nodejs/lib/thrift/int64_util.js -s Int64Util -o test/build/js/lib/Int64Util.js',
-          './node_modules/browserify/bin/cmd.js ./node_modules/json-int64/index.js -s JSONInt64 -o test/build/js/lib/JSONInt64.js'
-        ].join(' && ')
+          "./node_modules/browserify/bin/cmd.js ./node_modules/node-int64/Int64.js -s Int64 -o test/build/js/lib/Int64.js",
+          "./node_modules/browserify/bin/cmd.js ../nodejs/lib/thrift/int64_util.js -s Int64Util -o test/build/js/lib/Int64Util.js",
+          "./node_modules/browserify/bin/cmd.js ./node_modules/json-int64/index.js -s JSONInt64 -o test/build/js/lib/JSONInt64.js",
+        ].join(" && "),
       },
       ThriftGenInt64: {
-        command: '../../compiler/cpp/thrift -gen js -o test ../../test/Int64Test.thrift'
+        command:
+          "../../compiler/cpp/thrift -gen js -o test ../../test/Int64Test.thrift",
       },
       ThriftGenDoubleConstants: {
-        command: '../../compiler/cpp/thrift -gen js -o test ../../test/DoubleConstantsTest.thrift'
+        command:
+          "../../compiler/cpp/thrift -gen js -o test ../../test/DoubleConstantsTest.thrift",
       },
       ThriftTestServer: {
         options: {
           async: true,
           execOptions: {
             cwd: "./test",
-            env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
-          }
+            env: { NODE_PATH: "../../nodejs/lib:../../../node_modules" },
+          },
         },
         command: "node server_http.js",
       },
@@ -91,8 +96,8 @@
           async: true,
           execOptions: {
             cwd: "./test",
-            env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
-          }
+            env: { NODE_PATH: "../../nodejs/lib:../../../node_modules" },
+          },
         },
         command: "node server_http.js --es6",
       },
@@ -101,8 +106,8 @@
           async: true,
           execOptions: {
             cwd: "./test",
-            env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
-          }
+            env: { NODE_PATH: "../../nodejs/lib:../../../node_modules" },
+          },
         },
         command: "node server_https.js",
       },
@@ -111,8 +116,8 @@
           async: true,
           execOptions: {
             cwd: "./test",
-            env: {NODE_PATH: "../../nodejs/lib:../../../node_modules"}
-          }
+            env: { NODE_PATH: "../../nodejs/lib:../../../node_modules" },
+          },
         },
         command: "node server_https.js --es6",
       },
@@ -120,213 +125,201 @@
     qunit: {
       ThriftJS: {
         options: {
-          urls: [
-            'http://localhost:8089/test-nojq.html'
-          ],
+          urls: ["http://localhost:8089/test-nojq.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
           },
-        }
+        },
       },
       ThriftJSJQ: {
         options: {
-          urls: [
-            'http://localhost:8089/test.html'
-          ],
+          urls: ["http://localhost:8089/test.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
           },
-        }
+        },
       },
       ThriftJS_DoubleRendering: {
         options: {
-          urls: [
-            'http://localhost:8089/test-double-rendering.html'
-          ],
+          urls: ["http://localhost:8089/test-double-rendering.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
             ignoreHTTPSErrors: true,
           },
-        }
+        },
       },
       ThriftJS_Int64: {
         options: {
-          urls: [
-            'http://localhost:8089/test-int64.html'
-          ],
+          urls: ["http://localhost:8089/test-int64.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
             ignoreHTTPSErrors: true,
           },
-        }
+        },
       },
       ThriftWS: {
         options: {
-          urls: [
-            'http://localhost:8089/testws.html'
-          ],
+          urls: ["http://localhost:8089/testws.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
           },
-        }
+        },
       },
       ThriftJS_TLS: {
         options: {
-          urls: [
-            'https://localhost:8091/test-nojq.html'
-          ],
+          urls: ["https://localhost:8091/test-nojq.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
             ignoreHTTPSErrors: true,
           },
-        }
+        },
       },
       ThriftJSJQ_TLS: {
         options: {
-          urls: [
-            'https://localhost:8091/test.html'
-          ],
+          urls: ["https://localhost:8091/test.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
             ignoreHTTPSErrors: true,
           },
-        }
+        },
       },
       ThriftWS_TLS: {
         options: {
-          urls: [
-            'https://localhost:8091/testws.html'
-          ],
+          urls: ["https://localhost:8091/testws.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
             ignoreHTTPSErrors: true,
           },
-        }
+        },
       },
       ThriftDeepConstructor: {
         options: {
-          urls: [
-            'http://localhost:8089/test-deep-constructor.html'
-          ],
+          urls: ["http://localhost:8089/test-deep-constructor.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
           },
-        }
+        },
       },
       ThriftWSES6: {
         options: {
-          urls: [
-            'http://localhost:8088/test-es6.html'
-          ],
+          urls: ["http://localhost:8088/test-es6.html"],
           puppeteer: {
             headless: true,
-            args: ['--no-sandbox'],
+            args: ["--no-sandbox"],
           },
-        }
-      }
+        },
+      },
     },
     jshint: {
       // The main Thrift library file. not es6 yet :(
       lib: {
-        src: ['src/**/*.js'],
+        src: ["src/**/*.js"],
       },
       // The test files use es6
       test: {
-        src: ['Gruntfile.js', 'test/*.js'],
+        src: ["Gruntfile.js", "test/*.js"],
         options: {
           esversion: 6,
-        }
+        },
       },
       gen_js_code: {
-        src: ['test/gen-js/*.js', 'test/gen-js-jquery/*.js'],
+        src: ["test/gen-js/*.js", "test/gen-js-jquery/*.js"],
       },
       gen_es6_code: {
-        src: ['test/gen-js-es6/*.js'],
+        src: ["test/gen-js-es6/*.js"],
         options: {
           esversion: 6,
-        }
+        },
       },
       gen_node_code: {
-        src: ['test/gen-nodejs/*.js'],
+        src: ["test/gen-nodejs/*.js"],
         options: {
           node: true,
-        }
+        },
       },
       gen_node_es6_code: {
-        src: ['test/gen-nodejs-es6/*.js'],
+        src: ["test/gen-nodejs-es6/*.js"],
         options: {
           node: true,
           esversion: 6,
-        }
-      }
+        },
+      },
     },
   });
 
-  grunt.loadNpmTasks('grunt-contrib-uglify');
-  grunt.loadNpmTasks('grunt-contrib-jshint');
-  grunt.loadNpmTasks('grunt-contrib-qunit');
-  grunt.loadNpmTasks('grunt-contrib-concat');
-  grunt.loadNpmTasks('grunt-jsdoc');
-  grunt.loadNpmTasks('grunt-shell-spawn');
+  grunt.loadNpmTasks("grunt-contrib-uglify");
+  grunt.loadNpmTasks("grunt-contrib-jshint");
+  grunt.loadNpmTasks("grunt-contrib-qunit");
+  grunt.loadNpmTasks("grunt-contrib-concat");
+  grunt.loadNpmTasks("grunt-jsdoc");
+  grunt.loadNpmTasks("grunt-shell-spawn");
 
-  grunt.registerTask('wait', 'Wait just one second for the server to start', function () {
-    var done = this.async();
-    setTimeout(function() {
-      done(true);
-    }, 1000);
-  });
+  grunt.registerTask(
+    "wait",
+    "Wait just one second for the server to start",
+    function () {
+      var done = this.async();
+      setTimeout(function () {
+        done(true);
+      }, 1000);
+    },
+  );
 
-  grunt.registerTask('CreateDirectories', 'Creating required local directories', function () {
-    grunt.file.mkdir('test/build/js/lib');
-    grunt.file.mkdir('test/gen-js');
-    grunt.file.mkdir('test/gen-js-jquery');
-    grunt.file.mkdir('test/gen-nodejs');
-    grunt.file.mkdir('test/gen-js-es6');
-    grunt.file.mkdir('test/gen-nodejs-es6');
-});
+  grunt.registerTask(
+    "CreateDirectories",
+    "Creating required local directories",
+    function () {
+      grunt.file.mkdir("test/build/js/lib");
+      grunt.file.mkdir("test/gen-js");
+      grunt.file.mkdir("test/gen-js-jquery");
+      grunt.file.mkdir("test/gen-nodejs");
+      grunt.file.mkdir("test/gen-js-es6");
+      grunt.file.mkdir("test/gen-nodejs-es6");
+    },
+  );
 
-  grunt.registerTask('installAndGenerate', [
-    'CreateDirectories',
-    'shell:InstallThriftJS',
-    'shell:InstallThriftNodeJSDep',
-    'shell:ThriftGen',
-    'shell:ThriftGenDeepConstructor',
-    'shell:ThriftGenDoubleConstants',
-    'shell:InstallTestLibs',
-    'shell:ThriftBrowserifyNodeInt64',
-    'shell:ThriftGenInt64'
+  grunt.registerTask("installAndGenerate", [
+    "CreateDirectories",
+    "shell:InstallThriftJS",
+    "shell:InstallThriftNodeJSDep",
+    "shell:ThriftGen",
+    "shell:ThriftGenDeepConstructor",
+    "shell:ThriftGenDoubleConstants",
+    "shell:InstallTestLibs",
+    "shell:ThriftBrowserifyNodeInt64",
+    "shell:ThriftGenInt64",
   ]);
 
-  grunt.registerTask('test', [
-    'installAndGenerate',
-    'jshint',
-    'shell:ThriftTestServer',
-    'shell:ThriftTestServer_TLS',
-    'shell:ThriftTestServerES6',
-    'shell:ThriftTestServerES6_TLS',
-    'wait',
-    'qunit:ThriftDeepConstructor',
-    'qunit:ThriftJS',
-    'qunit:ThriftJS_TLS',
-    'qunit:ThriftJS_DoubleRendering',
-    'qunit:ThriftWS',
-    'qunit:ThriftJSJQ',
-    'qunit:ThriftJSJQ_TLS',
-    'qunit:ThriftWSES6',
-    'qunit:ThriftJS_Int64',
-    'shell:ThriftTestServer:kill',
-    'shell:ThriftTestServer_TLS:kill',
-    'shell:ThriftTestServerES6:kill',
-    'shell:ThriftTestServerES6_TLS:kill',
+  grunt.registerTask("test", [
+    "installAndGenerate",
+    "jshint",
+    "shell:ThriftTestServer",
+    "shell:ThriftTestServer_TLS",
+    "shell:ThriftTestServerES6",
+    "shell:ThriftTestServerES6_TLS",
+    "wait",
+    "qunit:ThriftDeepConstructor",
+    "qunit:ThriftJS",
+    "qunit:ThriftJS_TLS",
+    "qunit:ThriftJS_DoubleRendering",
+    "qunit:ThriftWS",
+    "qunit:ThriftJSJQ",
+    "qunit:ThriftJSJQ_TLS",
+    "qunit:ThriftWSES6",
+    "qunit:ThriftJS_Int64",
+    "shell:ThriftTestServer:kill",
+    "shell:ThriftTestServer_TLS:kill",
+    "shell:ThriftTestServerES6:kill",
+    "shell:ThriftTestServerES6_TLS:kill",
   ]);
-  grunt.registerTask('default', ['test', 'concat', 'uglify', 'jsdoc']);
+  grunt.registerTask("default", ["test", "concat", "uglify", "jsdoc"]);
 };