From 8902ef43949e6c371d38a650680709cbf47b5d94 Mon Sep 17 00:00:00 2001
From: "Kent C. Dodds" <kent@doddsfamily.us>
Date: Mon, 10 Aug 2015 22:54:11 -0600
Subject: [PATCH] =?UTF-8?q?=F0=9F=8F=A1=20Adding=20code=20coverage=20is=20?=
 =?UTF-8?q?a=20snap!?=
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---
 .gitignore        |  1 +
 karma.conf.js     | 13 +++++++++++--
 package.json      |  4 ++++
 webpack.config.js | 13 ++++++++++++-
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 3c3629e..916e0b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 node_modules
+coverage/
diff --git a/karma.conf.js b/karma.conf.js
index 61a8c5e..b2c07c2 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -36,7 +36,15 @@ module.exports = function (config) {
 		// test results reporter to use
 		// possible values: 'dots', 'progress'
 		// available reporters: https://npmjs.org/browse/keyword/karma-reporter
-		reporters: ['progress'],
+		reporters: ['progress', 'coverage'],
+
+		coverageReporter: {
+			reporters: [
+				{type: 'lcov', dir: 'coverage/', subdir: '.'},
+				{type: 'json', dir: 'coverage/', subdir: '.'},
+				{type: 'text-summary'}
+			]
+		},
 
 
 		// web server port
@@ -69,7 +77,8 @@ module.exports = function (config) {
 			require('karma-webpack'),
 			'karma-jasmine',
 			'karma-firefox-launcher',
-			'karma-chrome-launcher'
+			'karma-chrome-launcher',
+			'karma-coverage'
 		]
 	});
 };
diff --git a/package.json b/package.json
index 4cc85c5..44141f0 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,13 @@
     "babel-core": "5.8.22",
     "babel-loader": "5.3.2",
     "css-loader": "0.15.6",
+    "isparta": "3.0.3",
+    "isparta-loader": "0.2.0",
+    "istanbul": "0.3.17",
     "jasmine-core": "2.3.4",
     "karma": "0.13.8",
     "karma-chrome-launcher": "0.2.0",
+    "karma-coverage": "0.5.0",
     "karma-firefox-launcher": "0.1.6",
     "karma-jasmine": "0.3.6",
     "karma-webpack": "1.7.0",
diff --git a/webpack.config.js b/webpack.config.js
index 365e4f3..366a36f 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -10,11 +10,11 @@ var config = {
 	devtool: 'eval',
 	module: {
 		loaders: [
-			{test: /\.js$/, loader: 'babel', exclude: /node_modules/},
 			{test: /\.css$/, loader: 'style!css'}
 		]
 	}
 };
+config.module.loaders = getJSLoaders().concat(config.module.loaders);
 
 if (process.env.NODE_ENV === 'test') {
 	config.entry = './ControllerSpec.js';
@@ -23,6 +23,17 @@ if (process.env.NODE_ENV === 'test') {
 
 module.exports = config;
 
+function getJSLoaders() {
+	var jsLoaders = [];
+	if (process.env.NODE_ENV === 'test') {
+		jsLoaders.push({test: /js\/.*\.js$/, loader: 'isparta', exclude: /node_modules/});
+		jsLoaders.push({test: /test\/.*\.js$/, loader: 'babel', exclude: /node_modules/});
+	} else {
+		jsLoaders.push({test: /\.js$/, loader: 'babel', exclude: /node_modules/});
+	}
+	return jsLoaders;
+}
+
 function here(d) {
 	return d ? path.join(__dirname, d) : __dirname;
 }