Merge pull request #1701 from louisscruz/master

[fix] `boolean-prop-naming`: Handle `.isRequired`

Author: ljharb

lib/rules/boolean-prop-naming.js

@@ -62,7 +62,8 @@ module.exports = {
      * propTypes: {
      *   full: React.PropTypes.bool,
      *   short: PropTypes.bool,
-     *   direct: bool
+     *   direct: bool,
+     *   required: PropTypes.bool.isRequired
      * }
      * @param {Object} node The node we're getting the name of
      */
@@ -73,7 +74,11 @@ module.exports = {
         return null;
       }
       if (node.value.property) {
-        return node.value.property.name;
+        const name = node.value.property.name;
+        if (name === 'isRequired') {
+          return node.value.object.property.name;
+        }
+        return name;
       }
       if (node.value.type === 'Identifier') {
         return node.value.name;

tests/lib/rules/boolean-prop-naming.js

@@ -307,6 +307,47 @@ ruleTester.run('boolean-prop-naming', rule, {
     options: [{
       rule: '^(is|has)[A-Z]([A-Za-z0-9]?)+'
     }]
+  }, {
+    // Ensure the rule does not throw when a prop isRequired when ES5.
+    code: `
+      var Hello = createReactClass({
+        propTypes: {isSomething: PropTypes.bool.isRequired, hasValue: PropTypes.bool.isRequired},
+        render: function() { return <div />; }
+      });
+    `
+  }, {
+    // Ensure the rule does not throw when a prop isRequired when ES6 with static properties.
+    code: `
+      class Hello extends React.Component {
+        static propTypes = {
+          isSomething: PropTypes.bool.isRequired,
+          hasValue: PropTypes.bool.isRequired
+        };
+
+        render() {
+          return (
+            <div />
+          );
+        }
+      }
+    `,
+    parser: 'babel-eslint'
+  }, {
+    // Ensure the rule does not throw when a prop isRequired when ES6 without static properties.
+    code: `
+      class Hello extends React.Component {
+        render() {
+          return (
+            <div />
+          );
+        }
+      }
+
+      Hello.propTypes = {
+        isSomething: PropTypes.bool.isRequired,
+        hasValue: PropTypes.bool.isRequired
+      }
+    `
   }],
 
   invalid: [{
@@ -664,5 +705,62 @@ ruleTester.run('boolean-prop-naming', rule, {
     errors: [{
       message: 'It is better if your prop (something) matches this pattern: (^is[A-Z]([A-Za-z0-9]?)+)'
     }]
+  }, {
+    // Works when a prop isRequired in ES5.
+    code: `
+      var Hello = createReactClass({
+        propTypes: {something: PropTypes.bool.isRequired},
+        render: function() { return <div />; }
+      });
+    `,
+    options: [{
+      rule: '^is[A-Z]([A-Za-z0-9]?)+'
+    }],
+    errors: [{
+      message: 'Prop name (something) doesn\'t match rule (^is[A-Z]([A-Za-z0-9]?)+)'
+    }]
+  }, {
+    // Works when a prop isRequired in ES6 with static properties.
+    code: `
+      class Hello extends React.Component {
+        static propTypes = {
+          something: PropTypes.bool.isRequired
+        };
+
+        render() {
+          return (
+            <div />
+          );
+        }
+      }
+    `,
+    options: [{
+      rule: '^is[A-Z]([A-Za-z0-9]?)+'
+    }],
+    parser: 'babel-eslint',
+    errors: [{
+      message: 'Prop name (something) doesn\'t match rule (^is[A-Z]([A-Za-z0-9]?)+)'
+    }]
+  }, {
+    // Works when a prop isRequired in ES6 without static properties.
+    code: `
+      class Hello extends React.Component {
+        render() {
+          return (
+            <div />
+          );
+        }
+      }
+
+      Hello.propTypes = {
+        something: PropTypes.bool.isRequired
+      }
+    `,
+    options: [{
+      rule: '^is[A-Z]([A-Za-z0-9]?)+'
+    }],
+    errors: [{
+      message: 'Prop name (something) doesn\'t match rule (^is[A-Z]([A-Za-z0-9]?)+)'
+    }]
   }]
 });