docs(readme): Add badges

This adds badges to the readme, including the coverage one (through
coveralls).

.coveralls.yml

@@ -0,0 +1 @@
+service_name: travis-ci

.eslintignore

@@ -1,2 +1,3 @@
+coverage/
 dist/
 docs/

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
+coverage/
 node_modules/
 dist/
 npm-debug.log*

.travis.yml

@@ -9,6 +9,7 @@ before_install:
 before_cache: npm prune
 install: npm install
 script: ./scripts/test-ci
+after_script: ./scripts/travis-after-script
 branches:
   only:
     - master

README.md

@@ -2,11 +2,23 @@
 
 The easiest way to add search to your documentation. For free.
 
-[![build status][1]](http://travis-ci.org/algolia/docsearch)
-[![NPM version][2]](http://badge.fury.io/js/docsearch.js)
-
 Check out our [website][3] to add an outstanding search to your documentation.
 
+[![Version][version-svg]][package-url] [![Build Status][travis-svg]][travis-url] [![Coverage Status][coveralls-svg]][coveralls-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]
+
+[version-svg]: https://img.shields.io/npm/v/docsearch.js.svg?style=flat-square
+[package-url]: https://npmjs.org/package/docsearch.js
+[travis-svg]: https://img.shields.io/travis/algolia/docsearch/master.svg?style=flat-square
+[travis-url]: https://travis-ci.org/algolia/docsearch
+[coveralls-svg]: https://img.shields.io/coveralls/algolia/docsearch/master.svg?style=flat-square
+[coveralls-url]: https://coveralls.io/github/algolia/docsearch?branch=docs%2Fbadges
+[license-image]: http://img.shields.io/badge/license-MIT-green.svg?style=flat-square
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/docsearch.js.svg?style=flat-square
+[downloads-url]: http://npm-stat.com/charts.html?package=docsearch.js
+[docsearch-website]: https://community.algolia.com/docsearch/?utm_medium=social-owned&utm_source=GitHub&utm_campaign=docsearch%20repository
+[docsearch-website-docs]: https://community.algolia.com/docsearch/documentation/?utm_medium=social-owned&utm_source=GitHub&utm_campaign=docsearch%20repository
+
 ![Eslint][4]
 
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->

package.json

@@ -17,6 +17,7 @@
     "lint": "eslint .",
     "test": "BABEL_ENV=test mocha --reporter dot ./test/helpers.js ./test/*-test.js",
     "test:watch": "BABEL_ENV=test mocha --reporter min --watch ./test/helpers.js ./test/*-test.js",
+    "test:coverage": "./scripts/test-coverage",
     "gh-pages": "./scripts/gh-pages"
   },
   "author": "Algolia <support@algolia.com> (https://github.com/algolia/)",
@@ -27,9 +28,11 @@
     "babel": "^5.8.29",
     "babel-core": "^5.8.29",
     "babel-eslint": "^4.1.3",
+    "babel-istanbul": "^0.5.9",
     "babel-loader": "^5.3.2",
     "babel-plugin-rewire": "^0.1.22",
     "conventional-changelog": "^0.5.1",
+    "coveralls": "^2.11.6",
     "cssnano": "^3.4.0",
     "doctoc": "^0.15.0",
     "eslint": "^1.6.0",
@@ -43,6 +46,7 @@
     "json": "^9.0.3",
     "mocha": "^2.3.4",
     "mocha-jsdom": "^1.0.0",
+    "mocha-lcov-reporter": "^1.0.0",
     "mversion": "^1.10.1",
     "nd": "^1.2.0",
     "node-sass": "^3.4.2",

scripts/test-ci

@@ -3,12 +3,12 @@
 set -ev # exit when error
 
 ./scripts/validate-pr-done-on-develop
-npm test
+npm run test:coverage
 npm prune
 npm run shrinkwrap --dev
 NODE_ENV=production npm run build
 ./scripts/validate-commit-msgs
 
-if [ $TRAVIS_PULL_REQUEST == 'false' ] && [ $TRAVIS_BRANCH == 'master' ]; then
+if [ "$TRAVIS_PULL_REQUEST" == 'false' ] && [ "$TRAVIS_BRANCH" == 'master' ]; then
   ./scripts/finish-release
 fi

scripts/test-coverage

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# Will run the test and export the coverage information in ./coverage
+# This file will then be read by Travis to push it to Coveralls
+#
+# The command is long and was quite hard to write correctly.
+# We need babel-istanbul and not instanbul
+# We need the _mocha and not mocha
+# We need to use full path for each binaries
+# We need to run everything through babel-node
+
+npm_bin="$(npm bin)"
+babel_istanbul_bin="${npm_bin}/babel-istanbul"
+mocha_bin="${npm_bin}/_mocha"
+
+BABEL_ENV=test \
+  babel-node "$babel_istanbul_bin" cover "$mocha_bin" \
+  --report lcov -- \
+  -R spec --reporter dot \
+  ./test/helpers.js ./test/*-test.js

scripts/travis-after-script

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Will push coverage info to coveralls. Should be ran from Travis, in the
+# `after_script` section
+
+$(npm bin)/coveralls < ./coverage/lcov.info