Alt must be populated on img-uses-alt.

Author: Ethan Cohen

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-jsx-a11y",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "A static analysis linter of jsx and their accessibility with screen readers.",
   "keywords": [
     "eslint",

src/rules/img-uses-alt.js

@@ -22,7 +22,8 @@ module.exports = context => ({
 
     const hasAltProp = hasAttribute(node.attributes, 'alt');
 
-    if (hasAltProp === false) {
+    // alt must have a value.
+    if (hasAltProp === false || hasAltProp === null) {
       context.report({
         node,
         message: errorMessage

tests/src/rules/img-uses-alt.js

@@ -48,6 +48,7 @@ ruleTester.run('img-uses-alt', rule, {
   ],
   invalid: [
     { code: '<img />;', errors: [ expectedError ], parserOptions },
+    { code: '<img alt />;', errors: [ expectedError ], parserOptions },
     { code: '<img alt={undefined} />;', errors: [ expectedError ], parserOptions },
     { code: '<img alt={`${undefined}`} />;', errors: [ expectedError ], parserOptions },
     { code: '<img alt="" />;', errors: [ expectedError ], parserOptions },