Report test coverage

.travis.yml

@@ -1,13 +1,23 @@
 language: node_js
 
+node_js:
+  - "node"
+
 install:
   - npm install
 
 script:
   - npm run lint
   - npm run test
 
+after_success:
+  - npm run coveralls
+
 notifications:
   email: false
 
 cache: npm
+
+branches:
+  only:
+  - master

package.json

@@ -10,7 +10,8 @@
     "url": "https://github.com/wpsh/to-wp-txt/issues"
   },
   "keywords": [
-    "wordpress"
+    "wordpress",
+    "readme"
   ],
   "main": "dist/main.common.js",
   "module": "src/main.js",
@@ -21,6 +22,7 @@
   "scripts": {
     "lint": "standard",
     "test": "jest",
+    "coveralls": "jest --coverage --coverageReporters=text-lcov | coveralls",
     "build": "babel ./src/main.js --out-file ./dist/main.common.js",
     "prepublish": "npm run build"
   },
@@ -30,6 +32,7 @@
     "@babel/cli": "^7.2.3",
     "@babel/core": "^7.4.0",
     "@babel/plugin-transform-modules-commonjs": "^7.4.0",
+    "coveralls": "^3.0.3",
     "jest": "^24.5.0",
     "standard": "^12.0.1"
   },