eslint: enforce spacing of imports (and infix ops)

.eslintrc.js

@@ -65,7 +65,9 @@ module.exports = {
     ],
     'comma-style': ['warn', 'last'],
     'space-before-function-paren': ['error', 'never'],
+    'space-infix-ops': 'error',
     'space-in-parens': ['error', 'never'],
+    'keyword-spacing': 'error',
     'consistent-return': 'error',
     'dot-notation': 'error',
     eqeqeq: 'error',