chore(release): Add semantic release to the CI process

Travis-CI now runs semantic release at the end of the build process, which will calculate the next
version to publish based on conventional commits and publish it to npm. It will also tag the version
and generate changelog notes on github.

.travis.yml

@@ -1,8 +1,20 @@
+sudo: false
 language: node_js
+cache:
+  directories:
+    - node_modules
+notifications:
+  email: false
 node_js:
-  - "node"
+  - '6'
+  - '5'
+  - '4'
 before_script:
   - npm prune
 script:
   - npm run test
-  - npm run build
+after_success:
+  - npm run semantic-release
+branches:
+  only:
+    - master

examples.webpack.config.js

@@ -1,4 +1,4 @@
-const { join } = require('path');
+const join = require('path').join;
 
 module.exports = {
   entry: {

package.json

@@ -1,8 +1,8 @@
 {
   "name": "reactive-goban",
-  "version": "0.1.1",
+  "version": "0.0.0-semantic-release",
   "description": "A Javascript representation of a Go game and a React component able to render it",
-  "main": "./dist/index.js",
+  "main": "./lib/index.js",
   "directories": {
     "test": "test"
   },
@@ -16,11 +16,12 @@
     "build:umd": "webpack --config umd-build.webpack.config.js --output-filename reactive-goban.js",
     "build:umd.min": "webpack -p --config umd-build.webpack.config.js --output-filename reactive-goban.min.js",
     "prepublish": "in-install || npm run build",
-    "clean": "rimraf dist lib"
+    "clean": "rimraf dist lib",
+    "semantic-release": "semantic-release pre && npm publish && semantic-release post"
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/BenoitAverty/reactive-goban.git"
+    "url": "https://github.com/BenoitAverty/reactive-goban.git"
   },
   "keywords": [
     "Go",
@@ -58,7 +59,8 @@
     "npm-run-all": "^2.1.2",
     "rimraf": "^2.5.2",
     "webpack": "^1.13.1",
-    "webpack-dev-server": "^1.14.1"
+    "webpack-dev-server": "^1.14.1",
+    "semantic-release": "^4.3.5"
   },
   "dependencies": {
     "@cycle/dom": "^9.4.0",

umd-build.webpack.config.js

@@ -1,4 +1,4 @@
-const { join } = require('path');
+const join = require('path').join;
 
 module.exports = {
   entry: './src/index.js',