Rewrite to modular design

.editorconfig

@@ -4,12 +4,12 @@
 root = true
 
 [*]
-end_of_line = lf
 charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
 indent_style = space
 indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
 
 [*.md]
-trim_trailing_whitespace = false
+trim_trailing_whitespace = false

.eslintrc

@@ -0,0 +1,5 @@
+{
+  "extends": [
+    "standard"
+  ]
+}

.gitignore

@@ -1,42 +1,25 @@
-# Logs
-logs
-*.log
-npm-debug.log*
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# nyc test coverage
-.nyc_output
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
+# See https://help.github.com/ignore-files/ for more about ignoring files.
 
-# Dependency directories
+# dependencies
 node_modules
-jspm_packages
 
-# Optional npm cache directory
-.npm
+# builds
+build
+dist
 
-# Optional REPL history
-.node_repl_history
-
-# Editors
-.idea
-
-
-# npm package lock
-package-lock.json
-yarn.lock
-
-others
+# misc
 .DS_Store
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+.cache
+
+lerna-debug.log*
+lerna-error.log*
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+TODO.md