From 38c3033e12ccbb457cc100e4bdadfb83bea70e98 Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Thu, 15 Jan 2026 04:41:27 +0800
Subject: [PATCH 1/2] Update `@angular/compiler` to v21.1

---
 package.json                                       |  2 +-
 .../transforms/transform-binary-expression.ts      | 14 ++------------
 yarn.lock                                          | 10 +++++-----
 3 files changed, 8 insertions(+), 18 deletions(-)

diff --git a/package.json b/package.json
index b87bf6ee..81491e64 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "release": "release-it"
   },
   "devDependencies": {
-    "@angular/compiler": "21.1.0-rc.0",
+    "@angular/compiler": "21.1.0",
     "@babel/code-frame": "8.0.0-beta.3",
     "@babel/parser": "8.0.0-beta.3",
     "@babel/types": "8.0.0-beta.3",
diff --git a/src/ast-transform/transforms/transform-binary-expression.ts b/src/ast-transform/transforms/transform-binary-expression.ts
index 51aefb24..9b1cba98 100644
--- a/src/ast-transform/transforms/transform-binary-expression.ts
+++ b/src/ast-transform/transforms/transform-binary-expression.ts
@@ -3,11 +3,6 @@ import type * as babel from '@babel/types';
 
 import { type NodeTransformer } from '../node-transformer.ts';
 
-const isAssignmentOperator = (
-  operator: Binary['operation'],
-): operator is babel.AssignmentExpression['operator'] =>
-  Binary.isAssignmentOperation(operator);
-
 const isLogicalOperator = (
   operator: Binary['operation'],
 ): operator is babel.LogicalExpression['operator'] =>
@@ -30,7 +25,7 @@ export const visitBinary = (
     return { type: 'LogicalExpression', operator, left, right };
   }
 
-  if (isAssignmentOperator(operator)) {
+  if (Binary.isAssignmentOperation(operator)) {
     return {
       type: 'AssignmentExpression',
       left: left as babel.AssignmentExpression['left'],
@@ -39,10 +34,5 @@ export const visitBinary = (
     };
   }
 
-  return {
-    left,
-    right,
-    type: 'BinaryExpression',
-    operator: operator as babel.BinaryExpression['operator'],
-  };
+  return { left, right, type: 'BinaryExpression', operator: operator };
 };
diff --git a/yarn.lock b/yarn.lock
index da4508d1..dafd2c40 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5,12 +5,12 @@ __metadata:
   version: 8
   cacheKey: 10
 
-"@angular/compiler@npm:21.1.0-rc.0":
-  version: 21.1.0-rc.0
-  resolution: "@angular/compiler@npm:21.1.0-rc.0"
+"@angular/compiler@npm:21.1.0":
+  version: 21.1.0
+  resolution: "@angular/compiler@npm:21.1.0"
   dependencies:
     tslib: "npm:^2.3.0"
-  checksum: 10/a4721142e932fe62b27a5e383b540ccb83cd2ca456e8ff3bdd62be1022f46b46d224213108b1186978de5f0d6e6916e7c074fb4270b16818f66b155f53531ac5
+  checksum: 10/1f409c20eb36079719e004f9e683a41d9d9fd975d814132faa28f941a0d491ba392c7cca92061f8dbe540bd922cac905f76ccab48a87c82c764b3b7cdb6b28dd
   languageName: node
   linkType: hard
 
@@ -1565,7 +1565,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "angular-estree-parser@workspace:."
   dependencies:
-    "@angular/compiler": "npm:21.1.0-rc.0"
+    "@angular/compiler": "npm:21.1.0"
     "@babel/code-frame": "npm:8.0.0-beta.3"
     "@babel/parser": "npm:8.0.0-beta.3"
     "@babel/types": "npm:8.0.0-beta.3"

From 8005390ace5ec8058652a53f9385a8a937f1807e Mon Sep 17 00:00:00 2001
From: fisker <lionkay@gmail.com>
Date: Thu, 15 Jan 2026 04:51:15 +0800
Subject: [PATCH 2/2] Remove type casting

---
 src/ast-transform/transforms/transform-unary-expression.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ast-transform/transforms/transform-unary-expression.ts b/src/ast-transform/transforms/transform-unary-expression.ts
index bb113086..6c593b0a 100644
--- a/src/ast-transform/transforms/transform-unary-expression.ts
+++ b/src/ast-transform/transforms/transform-unary-expression.ts
@@ -52,5 +52,5 @@ export const visitUnary = (
   type: 'UnaryExpression',
   prefix: true,
   argument: transformer.transformChild<babel.Expression>(node.expr),
-  operator: node.operator as '-' | '+',
+  operator: node.operator,
 });