Improve undefined tests to use _.get (#1504)

Author: M-i-k-e-l

eslint-rules/lib/utils/generalUtils.js

@@ -21,11 +21,11 @@ function findValueNodeOfIdentifier(identifierName, scope) {
     }
   });
   if (valueNode === false || _.isNil(valueNode) || valueNode.value !== undefined) {
-    if (scope && scope.block && scope.block.body && scope.block.body.length > 0) {
+    if (_.get(scope, 'block.body.length', 0) > 0) {
       scope.block.body.forEach(scopeNode => {
-        if (scopeNode && scopeNode.type === 'ExpressionStatement') {
+        if (_.get(scopeNode, 'type') === 'ExpressionStatement') {
           const variableName = _.get(scopeNode, 'expression.left.name');
-          if (variableName === identifierName && scopeNode.expression && scopeNode.expression.right) {
+          if (variableName === identifierName && _.get(scopeNode, 'expression.right')) {
             valueNode = scopeNode.expression.right;
           }
         }

eslint-rules/package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-uilib",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "description": "uilib set of eslint rules",
   "keywords": [
     "eslint",