add spike environment variable for config file ease (#253)

Author: jescalan

lib/config.js

@@ -262,6 +262,7 @@ module.exports = class Config {
    * @return {Object} validated spike options object
    */
   parseAppJs (opts) {
+    if (opts.env) { process.env.SPIKE_ENV = opts.env }
     let config = loadFile(path.resolve(opts.root, 'app.js'))
 
     if (opts.env) {

test/environments.js

@@ -3,7 +3,9 @@ const {compileFixture} = require('./_helpers')
 
 test('environment config parsed correctly', (t) => {
   return compileFixture(t, 'environments', { env: 'doge' }).then(({res}) => {
+    t.is(res.stats.compilation.options.entry.doge1[0], 'doge')
     t.is(res.stats.compilation.options.entry.doge2[0], 'very')
     t.is(res.stats.compilation.options.entry.doge3[0], 'amaze')
+    t.is(res.stats.compilation.options.entry.doge4[0], 'doge')
   })
 })

test/fixtures/environments/app.doge.js

@@ -1,3 +1,3 @@
 module.exports = {
-  entry: { doge3: 'amaze' }
+  entry: { doge3: 'amaze', doge4: process.env.SPIKE_ENV }
 }

test/fixtures/environments/app.js

@@ -1,3 +1,3 @@
 module.exports = {
-  entry: { doge2: 'very' }
+  entry: { doge2: 'very', doge1: process.env.SPIKE_ENV }
 }