Update packages/eslint-plugin/src/rules/no-unnecessary-type-assertion.ts

Co-authored-by: Brad Zacher <brad.zacher@gmail.com>
typescript-eslint · Apr 5, 2021 · db0e026 · db0e026
1 parent 3db3aa4
commit db0e026
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/eslint-plugin/src/rules/no-unnecessary-type-assertion.ts b/packages/eslint-plugin/src/rules/no-unnecessary-type-assertion.ts
@@ -151,6 +151,10 @@ export default util.createRule<Options, MessageIds>({
               },
             });
           }
+          // for all other = assignments we ignore non-null checks
+          // this is because non-null assertions can change the type-flow of the code
+          // so whilst they might be unnecessary for the assignment - they are necessary
+          // for following code
           return;
         }