[eslint config] [react] [breaking] enable jsx-a11y rules:

 - `jsx-a11y/heading-has-content`
 - `jsx-a11y/html-has-lang`
 - `jsx-a11y/lang`
 - `jsx-a11y/no-marquee`
 - `jsx-a11y/scope`
 - `jsx-a11y/href-no-hash`
 - `jsx-a11y/label-has-for`

Author: ljharb

packages/eslint-config-airbnb/rules/react-a11y.js

@@ -25,9 +25,8 @@ module.exports = {
     'jsx-a11y/aria-unsupported-elements': 2,
 
     // disallow href "#"
-    // TODO: enable
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/href-no-hash.md
-    'jsx-a11y/href-no-hash': [0, ['a']],
+    'jsx-a11y/href-no-hash': [2, ['a']],
 
     // Require <img> to have a non-empty `alt` prop, or role="presentation"
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/img-has-alt.md
@@ -38,12 +37,11 @@ module.exports = {
     'jsx-a11y/img-redundant-alt': 2,
 
     // require that JSX labels use "htmlFor"
-    // TODO: enable
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/label-has-for.md
-    'jsx-a11y/label-has-for': [0, ['label']],
+    'jsx-a11y/label-has-for': [2, ['label']],
 
     // require that mouseover/out come with focus/blur, for keyboard-only users
-    // TODO: enable?
+    // TODO: evaluate
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/mouse-events-have-key-events.md
     'jsx-a11y/mouse-events-have-key-events': 0,
 
@@ -81,27 +79,22 @@ module.exports = {
 
     // ensure <hX> tags have content and are not aria-hidden
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/heading-has-content.md
-    // TODO: enable
-    'jsx-a11y/heading-has-content': [0, ['']],
+    'jsx-a11y/heading-has-content': [2, ['']],
 
     // require HTML elements to have a "lang" prop
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/html-has-lang.md
-    // TODO: enable
-    'jsx-a11y/html-has-lang': 0,
+    'jsx-a11y/html-has-lang': 2,
 
     // require HTML element's lang prop to be valid
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/lang.md
-    // TODO: enable
-    'jsx-a11y/lang': 0,
+    'jsx-a11y/lang': 2,
 
     // prevent marquee elements
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/no-marquee.md
-    // TODO: enable, pardner
-    'jsx-a11y/no-marquee': 0,
+    'jsx-a11y/no-marquee': 2,
 
     // only allow <th> to have the "scope" attr
     // https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/docs/rules/scope.md
-    // TODO: enable
-    'jsx-a11y/scope': 0,
+    'jsx-a11y/scope': 2,
   },
 };