Adding circleCI and eslint

.eslintrc.js

@@ -0,0 +1,78 @@
+module.exports = {
+	root: true,
+	parserOptions : {
+		ecmaVersion  : 9,
+		sourceType   : 'module',
+		ecmaFeatures : {
+			jsx : true
+		}
+	},
+	env : {
+		browser : true,
+	},
+	plugins : ['react'],
+	rules   : {
+		/** Errors **/
+		'camelcase'              : ['error', { properties: 'never' }],
+		'func-style'             : ['error', 'expression', { allowArrowFunctions: true }],
+		'no-array-constructor'   : 'error',
+		'no-iterator'            : 'error',
+		'no-nested-ternary'      : 'error',
+		'no-new-object'          : 'error',
+		'no-proto'               : 'error',
+		'react/jsx-no-bind'      : ['error', { allowArrowFunctions: true }],
+		'react/jsx-uses-react'   : 'error',
+		'react/prefer-es6-class' : ['error', 'never'],
+
+		/** Warnings **/
+		'max-lines' : ['warn', {
+			max            : 200,
+			skipComments   : true,
+			skipBlankLines : true,
+		}],
+		'max-depth'            : ['warn', { max: 4}],
+		'max-params'           : ['warn', { max: 4 }],
+		'no-restricted-syntax' : ['warn', 'ClassDeclaration', 'SwitchStatement'],
+		'no-unused-vars'       : ['warn', {
+			vars              : 'all',
+			args              : 'none',
+			varsIgnorePattern : 'config|_|cx|createClass'
+		}],
+		'react/jsx-uses-vars' : 'warn',
+
+		/** Fixable **/
+		'arrow-parens'    : ['warn', 'always'],
+		'brace-style'     : ['warn', '1tbs', { allowSingleLine: true }],
+		'jsx-quotes'      : ['warn', 'prefer-single'],
+		'linebreak-style' : ['warn', 'unix'],
+		'no-var'          : 'warn',
+		'prefer-const'    : 'warn',
+		'prefer-template' : 'warn',
+		'quotes'          : ['warn', 'single', { 'allowTemplateLiterals': true } ],
+		'semi'            : ['warn', 'always'],
+
+		/** Whitespace **/
+		'array-bracket-spacing' : ['warn', 'never'],
+		'arrow-spacing'         : ['warn', { before: false, after: false }],
+		'comma-spacing'         : ['warn', { before: false, after: true }],
+		'indent'                : ['warn', 'tab'],
+		'keyword-spacing'       : ['warn', {
+			before    : true,
+			after     : true,
+			overrides : {
+				if : { 'before': false, 'after': false }
+			}
+		}],
+		'key-spacing' : ['warn', {
+			multiLine  : { beforeColon: true, afterColon: true, align: 'colon' },
+			singleLine : { beforeColon: false, afterColon: true }
+		}],
+		'linebreak-style'               : ['warn', 'unix'],
+		'no-trailing-spaces'            : 'warn',
+		'no-whitespace-before-property' : 'warn',
+		'object-curly-spacing'          : ['warn', 'always'],
+		'react/jsx-indent-props'        : ['warn', 'tab'],
+		'space-in-parens'               : ['warn', 'never'],
+		'template-curly-spacing'        : ['warn', 'never'],
+	}
+};