Merge pull request #1728 from dart-lang/raw_expression_null_check

pq · web-flow · commit a1165b4c9325 · 2019-09-20T15:17:07.000-07:00
allow for null raw expressions
diff --git a/lib/src/rules/use_to_and_as_if_applicable.dart b/lib/src/rules/use_to_and_as_if_applicable.dart
@@ -101,7 +101,7 @@ class _Visitor extends SimpleAstVisitor<void> {
   }
 
   bool _checkExpression(Expression rawExpression) {
-    final expression = rawExpression.unParenthesized;
+    final expression = rawExpression?.unParenthesized;
     return expression is InstanceCreationExpression &&
         expression.argumentList.arguments.length == 1 &&
         expression.argumentList.arguments.first is ThisExpression;

Original file line number	Diff line number	Diff line change
`@@ -101,7 +101,7 @@ class _Visitor extends SimpleAstVisitor<void> {`
`101`	`101`	`}`
`102`	`102`
`103`	`103`	`bool _checkExpression(Expression rawExpression) {`
`104`		`- final expression = rawExpression.unParenthesized;`
	`104`	`+ final expression = rawExpression?.unParenthesized;`
`105`	`105`	`return expression is InstanceCreationExpression &&`
`106`	`106`	`expression.argumentList.arguments.length == 1 &&`
`107`	`107`	`expression.argumentList.arguments.first is ThisExpression;`