refactor: invert if statement in bool prop naming

Author: HenryBrown0

lib/rules/boolean-prop-naming.js

@@ -240,19 +240,22 @@ module.exports = {
       }
 
       if (
-        component.node.parent
-        && component.node.parent.type === 'VariableDeclarator'
-        && component.node.parent.id
-        && component.node.parent.id.type === 'Identifier'
-        && component.node.parent.id.typeAnnotation
-        && component.node.parent.id.typeAnnotation.typeAnnotation
-        && component.node.parent.id.typeAnnotation.typeAnnotation.typeParameters
-        && (
-          component.node.parent.id.typeAnnotation.typeAnnotation.typeParameters.type === 'TSTypeParameterInstantiation'
-          || component.node.parent.id.typeAnnotation.typeAnnotation.typeParameters.type === 'TypeParameterInstantiation'
-        )
+        !component.node.parent
+        || component.node.parent.type !== 'VariableDeclarator'
+        || !component.node.parent.id
+        || component.node.parent.id.type !== 'Identifier'
+        || !component.node.parent.id.typeAnnotation
+        || !component.node.parent.id.typeAnnotation.typeAnnotation
       ) {
-        return component.node.parent.id.typeAnnotation.typeAnnotation.typeParameters.params.find(
+        return;
+      }
+
+      const annotationTypeParams = component.node.parent.id.typeAnnotation.typeAnnotation.typeParameters;
+      if (annotationTypeParams && (
+        annotationTypeParams.type === 'TSTypeParameterInstantiation'
+        || annotationTypeParams.type === 'TypeParameterInstantiation'
+      )) {
+        return annotationTypeParams.params.find(
           (param) => param.type === 'TSTypeReference' || param.type === 'GenericTypeAnnotation'
         );
       }