Dont report if this.state has been referenced in setState callback

Author: tobilen

lib/rules/no-this-state-props.js

@@ -33,6 +33,19 @@ module.exports = {
       }
     }
 
+    function isThisSetStateCallback (node) {
+      if ( node.parent && node.parent.type === 'CallExpression' ) {
+        var callee = node.parent.callee;
+        var isMatching = (
+          callee.type === 'MemberExpression' &&
+          callee.object.type === 'ThisExpression' &&
+          callee.property.name === 'setState' &&
+          node.parent.arguments[1] === node
+        )
+        return isMatching
+      }
+    }
+
     function isThisState(node) {
       var isMatching = (
         node.type === 'MemberExpression' &&
@@ -79,7 +92,7 @@ module.exports = {
       MemberExpression: function(node) {
         if ( isThisProps(node) || isThisState(node) ) {
           var ancestors = context.getAncestors()
-          if ( ancestors.some(isThisSetState) ) {
+          if ( ancestors.some(isThisSetState) && !ancestors.some(isThisSetStateCallback) ) {
             var setStateUsage = ancestors.find(isThisSetState)
             setStateUsages.push(setStateUsage);
           }