feat: no idea what I'm doing

Author: Princesseuh

apps/oxlint/src-js/generated/deserialize.js

@@ -52,6 +52,24 @@ export function resetBuffer() {
   astId++;
 }
 
+function deserializeAstroScript(pos) {
+  let start,
+    end,
+    previousParent = parent,
+    node = (parent = {
+      __proto__: NodeProto,
+      type: "AstroScript",
+      program: null,
+      start: (start = deserializeU32(pos)),
+      end: (end = deserializeU32(pos + 4)),
+      range: [start, end],
+      parent,
+    });
+  node.program = deserializeProgram(pos + 8);
+  parent = previousParent;
+  return node;
+}
+
 function deserializeProgram(pos) {
   let localAstId = astId,
     end = deserializeU32(pos + 4),
@@ -3820,6 +3838,8 @@ function deserializeJSXChild(pos) {
       return deserializeBoxJSXExpressionContainer(pos + 8);
     case 4:
       return deserializeBoxJSXSpreadChild(pos + 8);
+    case 5:
+      return deserializeBoxAstroScript(pos + 8);
     default:
       throw Error(`Unexpected discriminant ${uint8[pos]} for JSXChild`);
   }
@@ -5745,6 +5765,8 @@ function deserializeCommentKind(pos) {
       return "Block";
     case 2:
       return "Block";
+    case 3:
+      return "Html";
     default:
       throw Error(`Unexpected discriminant ${uint8[pos]} for CommentKind`);
   }
@@ -5920,6 +5942,18 @@ function deserializeU8(pos) {
   return uint8[pos];
 }
 
+function deserializeVecJSXChild(pos) {
+  let arr = [],
+    pos32 = pos >> 2;
+  pos = uint32[pos32];
+  let endPos = pos + uint32[pos32 + 2] * 16;
+  for (; pos !== endPos; ) {
+    arr.push(deserializeJSXChild(pos));
+    pos += 16;
+  }
+  return arr;
+}
+
 function deserializeStr(pos) {
   let pos32 = pos >> 2,
     len = uint32[pos32 + 2];
@@ -6771,18 +6805,6 @@ function deserializeBoxJSXOpeningElement(pos) {
   return deserializeJSXOpeningElement(uint32[pos >> 2]);
 }
 
-function deserializeVecJSXChild(pos) {
-  let arr = [],
-    pos32 = pos >> 2;
-  pos = uint32[pos32];
-  let endPos = pos + uint32[pos32 + 2] * 16;
-  for (; pos !== endPos; ) {
-    arr.push(deserializeJSXChild(pos));
-    pos += 16;
-  }
-  return arr;
-}
-
 function deserializeBoxJSXClosingElement(pos) {
   return deserializeJSXClosingElement(uint32[pos >> 2]);
 }
@@ -6841,6 +6863,10 @@ function deserializeBoxJSXSpreadChild(pos) {
   return deserializeJSXSpreadChild(uint32[pos >> 2]);
 }
 
+function deserializeBoxAstroScript(pos) {
+  return deserializeAstroScript(uint32[pos >> 2]);
+}
+
 function deserializeVecTSEnumMember(pos) {
   let arr = [],
     pos32 = pos >> 2;

apps/oxlint/src-js/generated/types.d.ts

@@ -6,6 +6,25 @@ import { Token } from "../plugins/tokens.ts";
 import { Comment } from "../plugins/types.ts";
 export { Span, Comment, Token };
 
+export interface AstroRoot extends Span {
+  type: "AstroRoot";
+  frontmatter: AstroFrontmatter | null;
+  body: Array<JSXChild>;
+  parent: Node;
+}
+
+export interface AstroFrontmatter extends Span {
+  type: "AstroFrontmatter";
+  program: Program;
+  parent: Node;
+}
+
+export interface AstroScript extends Span {
+  type: "AstroScript";
+  program: Program;
+  parent: Node;
+}
+
 export interface Program extends Span {
   type: "Program";
   body: Array<Directive | Statement>;
@@ -1068,7 +1087,13 @@ export interface JSXIdentifier extends Span {
   parent: Node;
 }
 
-export type JSXChild = JSXText | JSXElement | JSXFragment | JSXExpressionContainer | JSXSpreadChild;
+export type JSXChild =
+  | JSXText
+  | JSXElement
+  | JSXFragment
+  | JSXExpressionContainer
+  | JSXSpreadChild
+  | AstroScript;
 
 export interface JSXSpreadChild extends Span {
   type: "JSXSpreadChild";
@@ -1728,6 +1753,9 @@ export type UpdateOperator = "++" | "--";
 export type ModuleKind = "script" | "module" | "commonjs";
 
 export type Node =
+  | AstroRoot
+  | AstroFrontmatter
+  | AstroScript
   | Program
   | IdentifierName
   | IdentifierReference

crates/oxc_ast/src/ast/comment.rs

@@ -21,6 +21,10 @@ pub enum CommentKind {
     /// Multi-line block comment (contains line breaks)
     #[estree(rename = "Block")]
     MultiLineBlock = 2,
+    /// HTML comment `<!-- ... -->`
+    /// Used in Astro files
+    #[estree(rename = "Html")]
+    Html = 3,
 }
 
 /// Information about a comment's position relative to a token.
@@ -179,6 +183,8 @@ impl Comment {
             CommentKind::SingleLineBlock | CommentKind::MultiLineBlock => {
                 Span::new(self.span.start + 2, self.span.end - 2)
             }
+            // HTML comments: `<!-- content -->` - skip 4 chars at start, 3 at end
+            CommentKind::Html => Span::new(self.span.start + 4, self.span.end - 3),
         }
     }
 
@@ -200,6 +206,12 @@ impl Comment {
         self.kind == CommentKind::MultiLineBlock
     }
 
+    /// Returns `true` if this is an HTML comment (`<!-- -->`).
+    #[inline]
+    pub fn is_html(self) -> bool {
+        self.kind == CommentKind::Html
+    }
+
     /// Returns `true` if this comment is before a token.
     #[inline]
     pub fn is_leading(self) -> bool {

crates/oxc_ast/src/generated/derive_estree.rs

@@ -3255,6 +3255,7 @@ impl ESTree for CommentKind {
             Self::Line => JsonSafeString("Line").serialize(serializer),
             Self::SingleLineBlock => JsonSafeString("Block").serialize(serializer),
             Self::MultiLineBlock => JsonSafeString("Block").serialize(serializer),
+            Self::Html => JsonSafeString("Html").serialize(serializer),
         }
     }
 }

crates/oxc_codegen/src/comment.rs

@@ -161,6 +161,10 @@ impl Codegen<'_> {
                     }
                 }
             }
+            CommentKind::Html => {
+                // HTML comments: print as-is
+                self.print_str(comment_source);
+            }
         }
     }