Add skip_typescript attribute to prevent .d.ts emit (#2016)

* Add skip_typescript attribute to prevent .d.ts emit

* Add guide page for typescript attribute

crates/backend/src/ast.rs

@@ -221,6 +221,7 @@ pub struct Function {
     pub rust_attrs: Vec<syn::Attribute>,
     pub rust_vis: syn::Visibility,
     pub r#async: bool,
+    pub generate_typescript: bool,
 }
 
 #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
@@ -231,6 +232,7 @@ pub struct Struct {
     pub fields: Vec<StructField>,
     pub comments: Vec<String>,
     pub is_inspectable: bool,
+    pub generate_typescript: bool,
 }
 
 #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
@@ -243,6 +245,7 @@ pub struct StructField {
     pub getter: Ident,
     pub setter: Ident,
     pub comments: Vec<String>,
+    pub generate_typescript: bool,
 }
 
 #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]
@@ -252,6 +255,7 @@ pub struct Enum {
     pub variants: Vec<Variant>,
     pub comments: Vec<String>,
     pub hole: u32,
+    pub generate_typescript: bool,
 }
 
 #[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq))]

crates/backend/src/encode.rs

@@ -206,6 +206,7 @@ fn shared_function<'a>(func: &'a ast::Function, _intern: &'a Interner) -> Functi
     Function {
         arg_names,
         name: &func.name,
+        generate_typescript: func.generate_typescript,
     }
 }
 
@@ -218,6 +219,7 @@ fn shared_enum<'a>(e: &'a ast::Enum, intern: &'a Interner) -> Enum<'a> {
             .map(|v| shared_variant(v, intern))
             .collect(),
         comments: e.comments.iter().map(|s| &**s).collect(),
+        generate_typescript: e.generate_typescript,
     }
 }
 
@@ -307,6 +309,7 @@ fn shared_struct<'a>(s: &'a ast::Struct, intern: &'a Interner) -> Struct<'a> {
             .collect(),
         comments: s.comments.iter().map(|s| &**s).collect(),
         is_inspectable: s.is_inspectable,
+        generate_typescript: s.generate_typescript,
     }
 }
 
@@ -318,6 +321,7 @@ fn shared_struct_field<'a>(s: &'a ast::StructField, intern: &'a Interner) -> Str
         },
         readonly: s.readonly,
         comments: s.comments.iter().map(|s| &**s).collect(),
+        generate_typescript: s.generate_typescript,
     }
 }