chore(release): Travis got stages for lint test & release

Changed travis yml file with stages

Author: keviveks

.travis.yml

@@ -1,24 +1,26 @@
 language: node_js
 
-node_js:
-  - 8
+stages:
+  - lint
+  - test
+  - release
 
-install:
-  - npm install
-
-cache:
-  directories:
-    - "node_modules"
+notifications:
+  email: false
 
 jobs:
   include:
-    # Define the release stage that runs semantic-release
+    - stage: lint
+      node_js: 10.0.0
+      script:
+        - npm run lint
+
+    - stage: test
+      node_js: 10.0.0
+      script:
+        - npm run test
+
     - stage: release
-      node_js: lts/*
-      # Advanced: optionally overwrite your default `script` step to skip the tests
-      # script: skip
-      deploy:
-        provider: script
-        skip_cleanup: true
-        script:
-          - npm run semantic-release
+      node_js: 10.0.0
+      script:
+        - npm run semantic-release

package.json

@@ -3,8 +3,13 @@
   "version": "0.0.0-semantically-released",
   "description": "Restful API query builder",
   "main": "index.js",
+  "engines": {
+    "node": ">8.9.0"
+  },
   "scripts": {
     "commit": "git-cz",
+    "lint": "eslint **/*.js --ignore-path .gitignore",
+    "lint:fix": "eslint **/*.js --fix",
     "test": "mocha index.test.js",
     "test:watch": "mocha index.test.js -w",
     "semantic-release": "semantic-release"