Feat: browser support (#19)

Big undertaking to support Mercury in the browser. Builds are working and all tests are passing both for web and node builds. Most code is closely shared.

Author: adampash

.eslintignore

@@ -1,3 +1,4 @@
 **/fixtures/*
 dist/*
 coverage/*
+karma.conf.js

circle.yml

@@ -3,9 +3,6 @@ machine:
   pre:
     - mkdir ~/.yarn-cache
 
-  timezone:
-    America/New_York
-
   node:
     version:
       4.3.2
@@ -14,8 +11,10 @@ machine:
 dependencies:
   pre:
     - curl -o- -L https://yarnpkg.com/install.sh | bash
-    - nvm install 6.9.1
     - nvm install 7.0.0
+    # For some reason phantomjs-prebuild is failing w/yarn, but npm installing works
+    - npm install phantomjs-prebuilt
+
   cache_directories:
     - ~/.yarn-cache
   override:
@@ -24,9 +23,11 @@ dependencies:
 ## Customize test commands
 test:
   override:
-    - nvm use 4.3.2 && yarn build && yarn test -- --maxWorkers=4:
+    # Using 4.3.2 by default
+    - yarn build && yarn test -- --maxWorkers=4:
         parallel: true
-    - nvm use 6.9 && yarn build && yarn test -- --maxWorkers=4:
+    # Switch to 7 and lint
+    - nvm use 7.0 && yarn lint:ci && yarn build && yarn test -- --maxWorkers=4:
         parallel: true
-    - nvm use 7.0 && yarn build && yarn test -- --maxWorkers=4:
+    - nvm use 7.0 && yarn test:web -- --maxWorkers=4 && yarn build:web -- --maxWorkers=4:
         parallel: true