Adding travis settings

Author: liliankasem

.gitignore

@@ -23,4 +23,6 @@ yarn-error.log*
 .vscode
 
 #build
-/build
+/build
+
+.env

.npmignore

@@ -0,0 +1,10 @@
+tsconfig.json
+tsconfig.test.json
+tslint.json
+.travis.yml
+.npmignore
+.package-lock.json
+src/
+samples/
+config/
+scripts/

.travis.yml

@@ -1,5 +1,22 @@
 language: node_js
 node_js:
-  - "9"
-  - "8"
-  - "7"
+- '9'
+- '8'
+- '7'
+
+install:
+  - npm install
+
+deploy:
+  - provider: script
+    skip_cleanup: true
+    script: .travis/pu.sh
+    on:
+      branch: master
+      tags: false
+  - provider: npm
+    email: "[email protected]"
+    api_key:
+      secure: $NPM_TOKEN
+    on:
+      tag: publish

.travis/pu.sh

@@ -0,0 +1,43 @@
+#!/bin/sh
+
+setup_git() {
+  # Set the user name and email to match the API token holder
+  # This will make sure the git commits will have the correct photo
+  # and the user gets the credit for a checkin
+  git config --global user.email "[email protected]"
+  git config --global user.name "liliankasem"
+  git config --global push.default matching
+  
+  # Get the credentials from a file
+  git config credential.helper "store --file=.git/credentials"
+  
+  # This associates the API Key with the account
+  echo "https://${GITHUB_API_KEY}:@github.com" > .git/credentials
+}
+
+make_version() {
+  # Make sure that the workspace is clean
+  # It could be "dirty" if
+  # 1. package-lock.json is not aligned with package.json
+  # 2. npm install is run
+  git checkout -- .
+  
+  # Echo the status to the log so that we can see it is OK
+  git status
+  
+  # Run the deploy build and increment the package versions
+  # %s is the placeholder for the created tag
+  npm version patch -m "chore: release version %s [skip ci]"
+}
+
+upload_files() {
+  # This make sure the current work area is pushed to the tip of the current branch
+  git push origin HEAD:$TRAVIS_BRANCH
+  
+  # This pushes the new tag
+  git push --tags
+}
+
+setup_git
+make_version
+upload_files

package.json

@@ -84,7 +84,9 @@
     "start": "npm install && npm run build && npm --prefix ./sample run start",
     "build": "npm run lint && tsc",
     "test": "node scripts/test.js --env=jsdom",
-    "prepublishOnly": "npm run clean && npm install && npm run build"
+    "prepublishOnly": "npm run clean && npm install && npm run build",
+    "version": "npm run build && git add .",
+    "postversion": "git push && git push --tags"
   },
   "devDependencies": {
     "@types/jest": "^22.2.3",