更新

node_modules/css-tree/lib/syntax/node/Comment.js

@@ -0,0 +1,33 @@
+import { Comment } from '../../tokenizer/index.js';
+
+const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+
+
+export const name = 'Comment';
+export const structure = {
+    value: String
+};
+
+export function parse() {
+    const start = this.tokenStart;
+    let end = this.tokenEnd;
+
+    this.eat(Comment);
+
+    if ((end - start + 2) >= 2 &&
+        this.charCodeAt(end - 2) === ASTERISK &&
+        this.charCodeAt(end - 1) === SOLIDUS) {
+        end -= 2;
+    }
+
+    return {
+        type: 'Comment',
+        loc: this.getLocation(start, this.tokenStart),
+        value: this.substring(start + 2, end)
+    };
+}
+
+export function generate(node) {
+    this.token(Comment, '/*' + node.value + '*/');
+}