feat: add helpers for SimpleAssignTarget and AssignTargetPat (#56)

.vscode/settings.json

@@ -1,4 +1,5 @@
 {
   "deno.enable": true,
-  "deno.lint": false
+  "deno.lint": false,
+  "rust-analyzer.cargo.features": "all"
 }

rs-lib/src/view/custom.rs

@@ -1,5 +1,9 @@
+use super::generated::AssignTargetPat;
 use super::generated::BindingIdent;
+use super::generated::Expr;
 use super::generated::Ident;
+use super::generated::Pat;
+use super::generated::SimpleAssignTarget;
 use crate::swc::ast::Id;
 use crate::swc::common::SyntaxContext;
 
@@ -22,3 +26,31 @@ impl<'a> BindingIdent<'a> {
     self.id.ctxt()
   }
 }
+
+impl<'a> SimpleAssignTarget<'a> {
+  pub fn as_expr(&self) -> Expr<'a> {
+    match self {
+      SimpleAssignTarget::Ident(node) => Expr::Ident(node.id),
+      SimpleAssignTarget::Member(node) => Expr::Member(node),
+      SimpleAssignTarget::SuperProp(node) => Expr::SuperProp(node),
+      SimpleAssignTarget::Paren(node) => Expr::Paren(node),
+      SimpleAssignTarget::OptChain(node) => Expr::OptChain(node),
+      SimpleAssignTarget::TsAs(node) => Expr::TsAs(node),
+      SimpleAssignTarget::TsSatisfies(node) => Expr::TsSatisfies(node),
+      SimpleAssignTarget::TsNonNull(node) => Expr::TsNonNull(node),
+      SimpleAssignTarget::TsTypeAssertion(node) => Expr::TsTypeAssertion(node),
+      SimpleAssignTarget::TsInstantiation(node) => Expr::TsInstantiation(node),
+      SimpleAssignTarget::Invalid(node) => Expr::Invalid(node),
+    }
+  }
+}
+
+impl<'a> AssignTargetPat<'a> {
+  pub fn as_pat(&self) -> Pat<'a> {
+    match self {
+      AssignTargetPat::Array(node) => Pat::Array(node),
+      AssignTargetPat::Object(node) => Pat::Object(node),
+      AssignTargetPat::Invalid(node) => Pat::Invalid(node),
+    }
+  }
+}