Update build and test scripts

Author: cheton

.babelrc

@@ -1,3 +1,10 @@
 {
-    "presets": ["es2015", "stage-0"]
+    "presets": ["es2015", "stage-0"],
+    "env": {
+        "test": {
+            "plugins": [
+                "istanbul"
+            ]
+        }
+    }
 }

.gitignore

@@ -1,3 +1,4 @@
 node_modules
+/.nyc_output
 /lib
 /coverage

.travis.yml

@@ -6,4 +6,3 @@ node_js:
   - '4'
 after_success:
   - npm run coveralls
-  - npm run coverage-clean

package.json

@@ -17,25 +17,41 @@
     "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": {},
   "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
   }
 }

test/index.js

@@ -1,4 +1,4 @@
-import chai from 'chai';
+import { expect } from 'chai';
 import fs from 'fs';
 import {
     GCodeParser,
@@ -8,28 +8,26 @@ import {
     parseStringSync,
     parseFile,
     parseFileSync
-} from '../lib';
-
-const expect = chai.expect;
-const should = chai.should();
+} from '../src';
 
 describe('gcode-parser', () => {
     describe('Pass a null value as the first argument', () => {
         it('should call parseString\'s callback.', (done) => {
             parseString(null, (err, results) => {
-                expect(err).to.be.okay;
+                expect(err).to.be.null;
+                expect(results.length).to.equal(0);
                 done();
             });
         });
         it('should call parseFile\'s callback.', (done) => {
             parseFile(null, (err, results) => {
-                expect(err).to.be.okay;
+                expect(!!err).to.be.true;
                 done();
             });
         });
         it('should call parseStream\'s callback.', (done) => {
             parseStream(null, (err, results) => {
-                expect(err).to.be.okay;
+                expect(!!err).to.be.true;
                 done();
             });
         });
@@ -39,7 +37,7 @@ describe('gcode-parser', () => {
         it('should get empty results.', (done) => {
             const sampleText = '';
             parseString(sampleText, (err, results) => {
-                expect(results.length).to.be.empty;
+                expect(results.length).to.equal(0);
                 done();
             });
         });