Update zig-javascriptcore-classes.mdc

.cursor/rules/zig-javascriptcore-classes.mdc

@@ -3,6 +3,7 @@ description: How Zig works with JavaScriptCore bindings generator
 globs:
 alwaysApply: false
 ---
+
 # Bun's JavaScriptCore Class Bindings Generator
 
 This document explains how Bun's class bindings generator works to bridge Zig and JavaScript code through JavaScriptCore (JSC).
@@ -45,12 +46,13 @@ define({
     ignoreBOM: {
       // Read-only property
       getter: true,
-    }
-  }
+    },
+  },
 });
 ```
 
 Each class definition specifies:
+
 - The class name
 - Whether it has a constructor
 - JavaScript type (object, function, etc.)
@@ -121,6 +123,7 @@ pub const TextDecoder = struct {
 ```
 
 Key components in the Zig file:
+
 - The struct containing native state
 - `pub const js = JSC.Codegen.JS<ClassName>` to include generated code
 - Constructor and methods using `bun.JSError!JSValue` return type for proper error handling
@@ -128,6 +131,7 @@ Key components in the Zig file:
 - Methods matching the JavaScript interface
 - Getters/setters for properties
 - Proper resource cleanup pattern with `deinit()` and `finalize()`
+- Update `src/bun.js/bindings/generated_classes_list.zig` to include the new class
 
 ## Code Generation System
 
@@ -140,6 +144,7 @@ The binding generator produces C++ code that connects JavaScript and Zig:
 5. **Property Caching**: Implements the caching system for properties
 
 The generated C++ code includes:
+
 - A JSC wrapper class (`JSTextDecoder`)
 - A prototype class (`JSTextDecoderPrototype`)
 - A constructor function (`JSTextDecoderConstructor`)
@@ -174,6 +179,7 @@ pub fn decode(
 ```
 
 CallFrame methods include:
+
 - `argument(i)`: Get the i-th argument
 - `argumentCount()`: Get the number of arguments
 - `thisValue()`: Get the `this` value
@@ -327,6 +333,7 @@ pub fn decode(
 ```
 
 This pattern allows Zig functions to:
+
 1. Return JavaScript values on success
 2. Throw JavaScript exceptions on error
 3. Propagate errors automatically through the call stack
@@ -351,7 +358,7 @@ The binding system creates proper JavaScript prototype chains:
 
 1. **Constructor**: JSTextDecoderConstructor with standard .prototype property
 2. **Prototype**: JSTextDecoderPrototype with methods and properties
-3. **Instances**: Each JSTextDecoder instance with __proto__ pointing to prototype
+3. **Instances**: Each JSTextDecoder instance with **proto** pointing to prototype
 
 This ensures JavaScript inheritance works as expected:
 
@@ -381,6 +388,7 @@ The binding system is optimized for performance:
 To create a new class binding in Bun:
 
 1. **Define the class interface** in a `.classes.ts` file:
+
    ```typescript
    define({
      name: "MyClass",
@@ -393,12 +401,13 @@ To create a new class binding in Bun:
        myProperty: {
          getter: true,
          cache: true,
-       }
-     }
+       },
+     },
    });
    ```
 
 2. **Implement the native functionality** in a `.zig` file:
+
    ```zig
    pub const MyClass = struct {
        // Generated bindings
@@ -474,11 +483,13 @@ For each Zig class, the system generates:
 ### 3. Zig Bindings
 
 - **External Function Declarations**:
+
   ```zig
   extern fn TextDecoderPrototype__decode(*TextDecoder, *JSC.JSGlobalObject, *JSC.CallFrame) callconv(JSC.conv) JSC.EncodedJSValue;
   ```
 
 - **Cached Value Accessors**:
+
   ```zig
   pub fn encodingGetCached(thisValue: JSC.JSValue) ?JSC.JSValue { ... }
   pub fn encodingSetCached(thisValue: JSC.JSValue, globalObject: *JSC.JSGlobalObject, value: JSC.JSValue) void { ... }