Vendor things

third-party/vendor/swc_ecma_utils/src/ident.rs

@@ -0,0 +1,80 @@
+use swc_atoms::JsWord;
+use swc_common::{Span, SyntaxContext};
+use swc_ecma_ast::{BindingIdent, Id, Ident};
+
+pub trait IdentLike: Sized {
+    fn from_ident(i: &Ident) -> Self;
+    fn to_id(&self) -> Id;
+    fn into_id(self) -> Id;
+}
+
+impl IdentLike for BindingIdent {
+    fn from_ident(i: &Ident) -> Self {
+        i.clone().into()
+    }
+
+    fn to_id(&self) -> Id {
+        (self.id.sym.clone(), self.id.span.ctxt())
+    }
+
+    fn into_id(self) -> Id {
+        self.id.into_id()
+    }
+}
+
+impl IdentLike for (JsWord, Span) {
+    #[inline]
+    fn from_ident(i: &Ident) -> Self {
+        (i.sym.clone(), i.span)
+    }
+
+    #[inline]
+    fn to_id(&self) -> Id {
+        (self.0.clone(), self.1.ctxt())
+    }
+
+    #[inline]
+    fn into_id(self) -> Id {
+        (self.0, self.1.ctxt())
+    }
+}
+
+impl IdentLike for (JsWord, SyntaxContext) {
+    #[inline]
+    fn from_ident(i: &Ident) -> Self {
+        (i.sym.clone(), i.span.ctxt())
+    }
+
+    #[inline]
+    fn to_id(&self) -> Id {
+        (self.0.clone(), self.1)
+    }
+
+    #[inline]
+    fn into_id(self) -> Id {
+        self
+    }
+}
+
+impl IdentLike for Ident {
+    #[inline]
+    fn from_ident(i: &Ident) -> Self {
+        Ident::new(i.sym.clone(), i.span)
+    }
+
+    #[inline]
+    fn to_id(&self) -> Id {
+        (self.sym.clone(), self.span.ctxt())
+    }
+
+    #[inline]
+    fn into_id(self) -> Id {
+        (self.sym, self.span.ctxt())
+    }
+}
+
+#[deprecated = "Use i.to_id() instead"]
+#[inline(always)]
+pub fn id(i: &Ident) -> Id {
+    (i.sym.clone(), i.span.ctxt())
+}