fix hover alias field

Author: xuhuanzy

crates/emmylua_code_analysis/src/compilation/analyzer/doc/infer_type.rs

@@ -1,10 +1,10 @@
 use std::sync::Arc;
 
 use emmylua_parser::{
-    LuaAst, LuaAstNode, LuaDocBinaryType, LuaDocFuncType, LuaDocGenericType,
-    LuaDocMultiLineUnionType, LuaDocObjectFieldKey, LuaDocObjectType, LuaDocStrTplType, LuaDocType,
-    LuaDocUnaryType, LuaDocVariadicType, LuaLiteralToken, LuaSyntaxKind, LuaTypeBinaryOperator,
-    LuaTypeUnaryOperator, LuaVarExpr,
+    LuaAst, LuaAstNode, LuaDocBinaryType, LuaDocDescriptionOwner, LuaDocFuncType,
+    LuaDocGenericType, LuaDocMultiLineUnionType, LuaDocObjectFieldKey, LuaDocObjectType,
+    LuaDocStrTplType, LuaDocType, LuaDocUnaryType, LuaDocVariadicType, LuaLiteralToken,
+    LuaSyntaxKind, LuaTypeBinaryOperator, LuaTypeUnaryOperator, LuaVarExpr,
 };
 use rowan::TextRange;
 use smol_str::SmolStr;

crates/emmylua_code_analysis/src/diagnostic/checker/generic/infer_type.rs

@@ -1,7 +1,7 @@
 use emmylua_parser::{
-    LuaAstNode, LuaDocBinaryType, LuaDocFuncType, LuaDocGenericType, LuaDocMultiLineUnionType,
-    LuaDocObjectFieldKey, LuaDocObjectType, LuaDocStrTplType, LuaDocType, LuaDocUnaryType,
-    LuaDocVariadicType, LuaLiteralToken, LuaSyntaxKind, LuaTypeBinaryOperator,
+    LuaAstNode, LuaDocBinaryType, LuaDocDescriptionOwner, LuaDocFuncType, LuaDocGenericType,
+    LuaDocMultiLineUnionType, LuaDocObjectFieldKey, LuaDocObjectType, LuaDocStrTplType, LuaDocType,
+    LuaDocUnaryType, LuaDocVariadicType, LuaLiteralToken, LuaSyntaxKind, LuaTypeBinaryOperator,
     LuaTypeUnaryOperator,
 };
 use rowan::TextRange;

crates/emmylua_ls/src/handlers/test/hover_test.rs

@@ -212,4 +212,19 @@ mod tests {
             },
         ));
     }
+
+    #[test]
+    fn test_alias_desc() {
+        let mut ws = ProviderVirtualWorkspace::new();
+        assert!(ws.check_hover(
+            r#"
+                ---@alias Tes<??>Alias
+                ---| 'A' # A1
+                ---| 'B' # A2
+            "#,
+            VirtualHoverResult {
+                value: "```lua\n(alias) TesAlias = (\"A\"|\"B\")\n    | \"A\" -- A1\n    | \"B\" -- A2\n\n```".to_string(),
+            },
+        ));
+    }
 }

crates/emmylua_parser/src/syntax/node/doc/types.rs

@@ -1,9 +1,10 @@
 use crate::{
-    LuaAstChildren, LuaAstNode, LuaAstToken, LuaDocTypeBinaryToken, LuaDocTypeUnaryToken,
-    LuaLiteralToken, LuaNameToken, LuaSyntaxKind, LuaSyntaxNode, LuaTokenKind,
+    LuaAstChildren, LuaAstNode, LuaAstToken, LuaDocDescriptionOwner, LuaDocTypeBinaryToken,
+    LuaDocTypeUnaryToken, LuaLiteralToken, LuaNameToken, LuaSyntaxKind, LuaSyntaxNode,
+    LuaTokenKind,
 };
 
-use super::{LuaDocDescription, LuaDocObjectField, LuaDocTypeList};
+use super::{LuaDocObjectField, LuaDocTypeList};
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum LuaDocType {
@@ -717,12 +718,10 @@ impl LuaAstNode for LuaDocOneLineField {
     }
 }
 
+impl LuaDocDescriptionOwner for LuaDocOneLineField {}
+
 impl LuaDocOneLineField {
     pub fn get_type(&self) -> Option<LuaDocType> {
         self.child()
     }
-
-    pub fn get_description(&self) -> Option<LuaDocDescription> {
-        self.child()
-    }
 }