up n_m

node_modules/hast-util-to-estree/lib/handlers/comment.js

@@ -0,0 +1,43 @@
+/**
+ * @typedef {import('estree').Comment} Comment
+ *
+ * @typedef {import('estree-jsx').JSXEmptyExpression} JsxEmptyExpression
+ * @typedef {import('estree-jsx').JSXExpressionContainer} JsxExpressionContainer
+ *
+ * @typedef {import('hast').Comment} HastComment
+ *
+ * @typedef {import('../state.js').State} State
+ */
+
+// Make VS Code show references to the above types.
+''
+
+/**
+ * Turn a hast comment into an estree node.
+ *
+ * @param {HastComment} node
+ *   hast node to transform.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {JsxExpressionContainer}
+ *   estree expression.
+ */
+export function comment(node, state) {
+  /** @type {Comment} */
+  const result = {type: 'Block', value: node.value}
+  state.inherit(node, result)
+  state.comments.push(result)
+
+  /** @type {JsxEmptyExpression} */
+  const expression = {
+    type: 'JSXEmptyExpression',
+    // @ts-expect-error: `comments` is custom.
+    comments: [Object.assign({}, result, {leading: false, trailing: true})]
+  }
+  state.patch(node, expression)
+
+  /** @type {JsxExpressionContainer} */
+  const container = {type: 'JSXExpressionContainer', expression}
+  state.patch(node, container)
+  return container
+}