diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000000..4e3cbb5ec0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,10 @@
+language: go
+go:
+ - 1.9.2
+cache: ccache
+install:
+ - go get github.com/ry/v8worker2
+ - cd `go env GOPATH`/src/github.com/ry/v8worker2 && ./tools/build.py
+ - make
+script:
+ - make lint
diff --git a/Makefile b/Makefile
index 6ccc4781d5..6164ec8a4d 100644
--- a/Makefile
+++ b/Makefile
@@ -27,4 +27,8 @@ clean:
 distclean: clean
 	-rm -rf node_modules/
 
-.PHONY: clean distclean
+lint: node_modules
+	yarn lint
+	go vet
+
+.PHONY: lint clean distclean
diff --git a/main.go b/main.go
index 4612849db0..fe3ca39344 100644
--- a/main.go
+++ b/main.go
@@ -50,7 +50,6 @@ func loadAsset(w *v8worker2.Worker, path string) {
 func main() {
 	worker := v8worker2.New(recv)
 	loadAsset(worker, "dist/main.js")
-
 	loadMsg := &Msg{
 		Kind: Msg_LOAD,
 		Argv: os.Args,
@@ -63,5 +62,4 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-
 }
diff --git a/main.ts b/main.ts
index 3a6a043aba..eeba4702f0 100644
--- a/main.ts
+++ b/main.ts
@@ -1,5 +1,5 @@
 //import * as ts from "typescript";
-import { main as pb } from "./msg.pb"
+import { main as pb } from "./msg.pb";
 import "./util";
 import { TextDecoder } from "text-encoding";
 
@@ -16,14 +16,14 @@ function readFileSync(filename: string): string {
     throw Error(res.error);
   }
   const decoder = new TextDecoder("utf8");
-  return decoder.decode(res.data)
+  return decoder.decode(res.data);
 }
 
 function load(argv: string[]): void {
   console.log("Load argv", argv);
   const inputFn = argv[1];
   const source = readFileSync(inputFn);
-  console.log("source", source)
+  console.log("source", source);
 }
 
 V8Worker2.recv((ab: ArrayBuffer) => {
diff --git a/package.json b/package.json
index a4f93d7740..7ec00b9b91 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,14 @@
 {
   "name": "deno",
+  "scripts": {
+	  "lint": "tslint -p tsconfig.json"
+  },
   "devDependencies": {
     "@types/text-encoding": "^0.0.32",
     "parcel-bundler": "^1.8.1",
     "protobufjs": "^6.8.6",
     "text-encoding": "^0.6.4",
+    "tslint": "^5.10.0",
     "typescript": "^2.8.3"
   }
 }
diff --git a/tslint.json b/tslint.json
new file mode 100644
index 0000000000..59d7bdaa8b
--- /dev/null
+++ b/tslint.json
@@ -0,0 +1,61 @@
+{
+  "rules": {
+    "array-type": [true, "array-simple"],
+    "arrow-return-shorthand": true,
+    "ban": [true,
+      ["fit"],
+      ["fdescribe"],
+      ["xit"],
+      ["xdescribe"],
+      ["fitAsync"],
+      ["xitAsync"],
+      ["fitFakeAsync"],
+      ["xitFakeAsync"]
+    ],
+    "ban-types": [true,
+      ["Object", "Use {} instead."],
+      ["String", "Use 'string' instead."],
+      ["Number", "Use 'number' instead."],
+      ["Boolean", "Use 'boolean' instead."]
+    ],
+    "class-name": true,
+    "curly": true,
+    "interface-name": [true, "never-prefix"],
+    "jsdoc-format": true,
+    "forin": false,
+    "label-position": true,
+    "max-line-length": [true, 80],
+    "new-parens": true,
+    "no-angle-bracket-type-assertion": true,
+    "no-any": true,
+    "no-construct": true,
+    "no-consecutive-blank-lines": true,
+    "no-debugger": true,
+    "no-default-export": true,
+    "no-inferrable-types": true,
+    "no-namespace": [true, "allow-declarations"],
+    "no-reference": true,
+    "no-require-imports": true,
+    "no-string-throw": true,
+    "no-unused-expression": true,
+    "no-unused-variable": true,
+    "no-var-keyword": true,
+    "object-literal-shorthand": true,
+    "only-arrow-functions": [true, "allow-declarations", "allow-named-functions"],
+    "prefer-const": true,
+    "quotemark": [true, "double"],
+    "radix": true,
+    "restrict-plus-operands": true,
+    "semicolon": [true, "always", "ignore-bound-class-methods"],
+    "switch-default": true,
+    "triple-equals": [true, "allow-null-check"],
+    "use-isnan": true,
+    "variable-name": [
+      true,
+      "check-format",
+      "ban-keywords",
+      "allow-leading-underscore",
+      "allow-trailing-underscore"
+    ]
+  }
+}
diff --git a/util.ts b/util.ts
index 4675152255..99fe798f46 100644
--- a/util.ts
+++ b/util.ts
@@ -9,9 +9,10 @@ const globalEval = eval;
 const _global = globalEval("this");
 
 _global["console"] = {
+  // tslint:disable-next-line:no-any
   log(...args: any[]): void {
     const out: string[] = [];
-    for (let a of args) {
+    for (const a of args) {
       if (typeof(a) === "string") {
         out.push(a);
       } else {
diff --git a/yarn.lock b/yarn.lock
index d6e4f1bfa0..5874b85035 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -168,7 +168,7 @@ autoprefixer@^6.3.1:
     postcss "^5.2.16"
     postcss-value-parser "^3.2.3"
 
-babel-code-frame@^6.26.0:
+babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
@@ -819,6 +819,10 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
+builtin-modules@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
 builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
@@ -864,7 +868,7 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
-chalk@^2.1.0, chalk@^2.4.1:
+chalk@^2.1.0, chalk@^2.3.0, chalk@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.1.tgz#18c49ab16a037b6eb0152cc83e3471338215b66e"
   dependencies:
@@ -987,7 +991,7 @@ command-exists@^1.2.6:
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.6.tgz#577f8e5feb0cb0f159cd557a51a9be1bdd76e09e"
 
-commander@^2.11.0, commander@^2.9.0:
+commander@^2.11.0, commander@^2.12.1, commander@^2.9.0:
   version "2.15.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
 
@@ -1284,6 +1288,10 @@ detect-libc@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
 
+diff@^3.2.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.5.0.tgz#800c0dd1e0a8bfbc95835c202ad220fe317e5a12"
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
@@ -1586,7 +1594,7 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob@^7.0.5, glob@^7.1.2:
+glob@^7.0.5, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -1973,7 +1981,7 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.10.0:
+js-yaml@^3.10.0, js-yaml@^3.7.0:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
   dependencies:
@@ -3015,7 +3023,7 @@ resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
 
-resolve@^1.1.5, resolve@^1.4.0:
+resolve@^1.1.5, resolve@^1.3.2, resolve@^1.4.0:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
   dependencies:
@@ -3455,6 +3463,33 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
+tslib@^1.8.0, tslib@^1.8.1:
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.0.tgz#e37a86fda8cbbaf23a057f473c9f4dc64e5fc2e8"
+
+tslint@^5.10.0:
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.10.0.tgz#11e26bccb88afa02dd0d9956cae3d4540b5f54c3"
+  dependencies:
+    babel-code-frame "^6.22.0"
+    builtin-modules "^1.1.1"
+    chalk "^2.3.0"
+    commander "^2.12.1"
+    diff "^3.2.0"
+    glob "^7.1.1"
+    js-yaml "^3.7.0"
+    minimatch "^3.0.4"
+    resolve "^1.3.2"
+    semver "^5.3.0"
+    tslib "^1.8.0"
+    tsutils "^2.12.1"
+
+tsutils@^2.12.1:
+  version "2.27.0"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.27.0.tgz#9efb252b188eaa0ca3ade41dc410d6ce7eaab816"
+  dependencies:
+    tslib "^1.8.1"
+
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"