feat(ast): add MemberExpressionKind::static_property_info (#11900)

Author: Boshen

crates/oxc_ast/src/ast_kind_impl.rs

@@ -437,6 +437,28 @@ impl<'a> MemberExpressionKind<'a> {
         }
     }
 
+    /// Returns the static property name of this member expression, if it has one, along with the source code [`Span`],
+    /// or `None` otherwise.
+    ///
+    /// If you don't need the [`Span`], use [`MemberExpressionKind::static_property_name`] instead.
+    pub fn static_property_info(&self) -> Option<(Span, &'a str)> {
+        match self {
+            Self::Computed(expr) => match &expr.expression {
+                Expression::StringLiteral(lit) => Some((lit.span, lit.value.as_str())),
+                Expression::TemplateLiteral(lit) => {
+                    if lit.quasis.len() == 1 {
+                        lit.quasis[0].value.cooked.map(|cooked| (lit.span, cooked.as_str()))
+                    } else {
+                        None
+                    }
+                }
+                _ => None,
+            },
+            Self::Static(expr) => Some((expr.property.span, expr.property.name.as_str())),
+            Self::PrivateField(_) => None,
+        }
+    }
+
     /// Returns the object of the member expression, otherwise `None`.
     ///
     /// Example: returns the `obj` in `obj.prop` or `obj["prop"]`.