diff --git a/.babelrc b/.babelrc
index 341114c..a34ccc8 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,3 +1,10 @@
 {
-    "presets": ["es2015", "stage-0"]
+    "presets": ["es2015", "stage-0"],
+    "env": {
+        "test": {
+            "plugins": [
+                "istanbul"
+            ]
+        }
+    }
 }
diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 0000000..60c59df
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,8 @@
+{
+  "extends": "trendmicro",
+  "parser": "babel-eslint",
+  "env": {
+    "browser": true,
+    "node": true
+  }
+}
diff --git a/.gitignore b/.gitignore
index efa1fa9..7e8094c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 node_modules
+/.nyc_output
 /lib
 /coverage
diff --git a/.travis.yml b/.travis.yml
index e66114a..f3e4e18 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,4 +6,3 @@ node_js:
   - '4'
 after_success:
   - npm run coveralls
-  - npm run coverage-clean
diff --git a/gulpfile.babel.js b/gulpfile.babel.js
deleted file mode 100644
index 11373b8..0000000
--- a/gulpfile.babel.js
+++ /dev/null
@@ -1,42 +0,0 @@
-'use strict';
-
-import gulp from 'gulp';
-import babel from 'gulp-babel';
-import istanbul from 'gulp-istanbul';
-import mocha from 'gulp-mocha';
-
-gulp.task('pre-test', () => {
-    return gulp.src(['lib/index.js'])
-        // Covering files
-        .pipe(istanbul())
-        // Force `require` to return covered files
-        .pipe(istanbul.hookRequire());
-});
-
-gulp.task('test', ['pre-test'], () => {
-    return gulp.src(['test/*.js'])
-        .pipe(mocha({ compilers: 'js:babel-core/register' }))
-        // Creating the reports after tests ran
-        .pipe(istanbul.writeReports())
-        // Checking coverage against minimum acceptable thresholds
-        .pipe(istanbul.enforceThresholds({
-            thresholds: {
-                global: {
-                    statements: 95,
-                    branches: 70,
-                    functions: 85,
-                    lines: 95
-                }
-            }
-        }));
-});
-
-gulp.task('default', () => {
-    return gulp.src([
-            'src/index.js'
-        ])
-        .pipe(babel({
-            presets: ['es2015', 'stage-0']
-        }))
-        .pipe(gulp.dest('lib'));
-});
diff --git a/package.json b/package.json
index 58d50cd..4567340 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gcode-interpreter",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "G-code Interpreter",
   "author": "Cheton Wu <cheton@gmail.com>",
   "homepage": "https://github.com/cncjs/gcode-interpreter",
@@ -17,27 +17,43 @@
     "gcode"
   ],
   "scripts": {
-    "prepublish": "npm run build && npm test",
-    "build": "gulp",
-    "test": "gulp test",
-    "coverage": "istanbul cover node_modules/mocha/bin/_mocha -- --require babel-core/register -R spec",
-    "coverage-clean": "rm -rf ./coverage",
+    "prepublish": "npm run eslint && npm run build && npm test",
+    "eslint": "eslint src",
+    "build": "babel --out-dir ./lib ./src",
+    "test": "cross-env NODE_ENV=test nyc mocha",
     "coveralls": "cat ./coverage/lcov.info | ./node_modules/.bin/coveralls"
   },
   "main": "lib/index.js",
   "dependencies": {
-    "gcode-parser": "^1.2.0"
+    "gcode-parser": "^1.3.0"
   },
   "devDependencies": {
-    "babel-core": "^6.26.0",
+    "babel-cli": "^6.26.0",
+    "babel-eslint": "^8.0.1",
+    "babel-plugin-istanbul": "^4.1.5",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-0": "^6.24.1",
-    "chai": "^3.5.0",
-    "coveralls": "^2.13.2",
-    "gulp": "^3.9.1",
-    "gulp-babel": "^7.0.0",
-    "gulp-istanbul": "^1.1.2",
-    "gulp-mocha": "^4.3.1",
-    "mocha": "^3.5.3"
+    "babel-register": "^6.26.0",
+    "chai": "^4.1.2",
+    "coveralls": "^3.0.0",
+    "cross-env": "^5.0.5",
+    "eslint": "^4.7.2",
+    "eslint-config-trendmicro": "^1.0.0",
+    "eslint-plugin-import": "^2.7.0",
+    "eslint-plugin-jsx-a11y": "^5.1.1",
+    "eslint-plugin-react": "^7.4.0",
+    "mocha": "^3.5.3",
+    "nyc": "^11.2.1"
+  },
+  "nyc": {
+    "require": [
+      "babel-register"
+    ],
+    "reporter": [
+      "lcov",
+      "text"
+    ],
+    "sourceMap": false,
+    "instrument": false
   }
 }
diff --git a/src/index.js b/src/index.js
index 8c4125c..f28156b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,4 @@
+/* eslint no-continue: 0 */
 import {
     parseStream,
     parseFile,
diff --git a/test/index.js b/test/index.js
index dc9cb1f..d9a9f01 100644
--- a/test/index.js
+++ b/test/index.js
@@ -1,10 +1,7 @@
-import chai from 'chai';
+import { expect } from 'chai';
 import fs from 'fs';
 import { GCodeInterpreter } from '../lib/';
 
-const expect = chai.expect;
-const should = chai.should();
-
 describe('G-code Interpreter', () => {
     describe('Pass a null value as the first argument', () => {
         class GCodeRunner extends GCodeInterpreter {
@@ -41,7 +38,7 @@ describe('G-code Interpreter', () => {
 
             runner
                 .loadFromFile(file, (err, results) => {
-                    expect(err).to.be.okay;
+                    expect(err).to.be.null;
                     done();
                 })
                 .on('data', (data) => {
@@ -59,7 +56,7 @@ describe('G-code Interpreter', () => {
 
             runner
                 .loadFromStream(stream, (err, results) => {
-                    expect(err).to.be.okay;
+                    expect(err).to.be.null;
                     done();
                 })
                 .on('data', (data) => {
@@ -77,7 +74,7 @@ describe('G-code Interpreter', () => {
 
             runner
                 .loadFromString(string, (err, results) => {
-                    expect(err).to.be.okay;
+                    expect(err).to.be.null;
                     done();
                 })
                 .on('data', (data) => {