Merge pull request #70 from feross/v9

Rule changes for standard v9

.travis.yml

@@ -1,4 +1,5 @@
 language: node_js
 node_js:
   - '4'
+  - '6'
   - 'node'

eslintrc.json

@@ -39,6 +39,7 @@
     "eol-last": "error",
     "eqeqeq": ["error", "always", { "null": "ignore" }],
     "func-call-spacing": ["error", "never"],
+    "generator-star-spacing": ["error", { "before": true, "after": true }],
     "handle-callback-err": ["error", "^(err|error)$" ],
     "indent": ["error", 2, { "SwitchCase": 1 }],
     "key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
@@ -66,6 +67,7 @@
     "no-extend-native": "error",
     "no-extra-bind": "error",
     "no-extra-boolean-cast": "error",
+    "no-extra-label": "error",
     "no-extra-parens": ["error", "functions"],
     "no-fallthrough": "error",
     "no-floating-decimal": "error",
@@ -79,10 +81,19 @@
     "no-label-var": "error",
     "no-labels": ["error", { "allowLoop": false, "allowSwitch": false }],
     "no-lone-blocks": "error",
+    "no-mixed-operators": ["error", {
+      "groups": [
+        ["+", "-", "*", "/", "%", "**"],
+        ["==", "!=", "===", "!==", ">", ">=", "<", "<="],
+        ["&&", "||"],
+        ["in", "instanceof"]
+      ],
+      "allowSamePrecedence": true
+    }],
     "no-mixed-spaces-and-tabs": "error",
     "no-multi-spaces": "error",
     "no-multi-str": "error",
-    "no-multiple-empty-lines": ["error", { "max": 1 }],
+    "no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0 }],
     "no-negated-in-lhs": "error",
     "no-new": "error",
     "no-new-func": "error",
@@ -116,18 +127,22 @@
     "no-unreachable": "error",
     "no-unsafe-finally": "error",
     "no-unsafe-negation": "error",
+    "no-unused-expressions": ["error", { "allowShortCircuit": true, "allowTernary": true }],
     "no-unused-vars": ["error", { "vars": "all", "args": "none" }],
+    "no-use-before-define": ["error", { "functions": false, "classes": false, "variables": false }],
     "no-useless-call": "error",
     "no-useless-computed-key": "error",
     "no-useless-constructor": "error",
     "no-useless-escape": "error",
     "no-useless-rename": "error",
+    "no-useless-return": "error",
     "no-whitespace-before-property": "error",
     "no-with": "error",
     "object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
     "one-var": ["error", { "initialized": "never" }],
     "operator-linebreak": ["error", "after", { "overrides": { "?": "before", ":": "before" } }],
-    "padded-blocks": ["error", "never"],
+    "padded-blocks": ["error", { "blocks": "never", "switches": "never", "classes": "never" }],
+    "prefer-promise-reject-errors": "error",
     "quotes": ["error", "single", { "avoidEscape": true, "allowTemplateLiterals": true }],
     "rest-spread-spacing": ["error", "never"],
     "semi": ["error", "never"],
@@ -137,17 +152,16 @@
     "space-in-parens": ["error", "never"],
     "space-infix-ops": "error",
     "space-unary-ops": ["error", { "words": true, "nonwords": false }],
-    "spaced-comment": [
-      "error", "always",
-      {
-        "line": { "markers": ["*package", "!", ","] },
-        "block": { "balanced": true, "markers": ["*package", "!", ","], "exceptions": ["*"] }
-      }
-    ],
+    "spaced-comment": ["error", "always", {
+      "line": { "markers": ["*package", "!", "/", ","] },
+      "block": { "balanced": true, "markers": ["*package", "!", ",", ":", "::", "flow-include"], "exceptions": ["*"] }
+    }],
+    "symbol-description": "error",
     "template-curly-spacing": ["error", "never"],
+    "template-tag-spacing": ["error", "never"],
     "unicode-bom": ["error", "never"],
     "use-isnan": "error",
-    "valid-typeof": "error",
+    "valid-typeof": ["error", { "requireStringLiterals": true }],
     "wrap-iife": ["error", "any", { "functionPrototypeMethods": true }],
     "yield-star-spacing": ["error", "both"],
     "yoda": ["error", "never"],