🎉 initiate project *astro_rewrite*

node_modules/hast-util-to-estree/lib/handlers/mdx-expression.js

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+/**
+ * @typedef {import('mdast-util-mdx-expression').MdxFlowExpression} MdxFlowExpression
+ * @typedef {import('mdast-util-mdx-expression').MdxTextExpression} MdxTextExpression
+ * @typedef {import('estree').Expression} Expression
+ * @typedef {import('estree-jsx').JSXEmptyExpression} JsxEmptyExpression
+ * @typedef {import('estree-jsx').JSXExpressionContainer} JsxExpressionContainer
+ * @typedef {import('../state.js').State} State
+ */
+
+import {attachComments} from 'estree-util-attach-comments'
+
+/**
+ * Turn an MDX expression node into an estree node.
+ *
+ * @param {MdxFlowExpression | MdxTextExpression} node
+ *   hast node to transform.
+ * @param {State} state
+ *   Info passed around about the current state.
+ * @returns {JsxExpressionContainer}
+ *   estree expression.
+ */
+export function mdxExpression(node, state) {
+  const estree = node.data && node.data.estree
+  const comments = (estree && estree.comments) || []
+  /** @type {Expression | JsxEmptyExpression | undefined} */
+  let expression
+
+  if (estree) {
+    state.comments.push(...comments)
+    attachComments(estree, estree.comments)
+    expression =
+      (estree.body[0] &&
+        estree.body[0].type === 'ExpressionStatement' &&
+        estree.body[0].expression) ||
+      undefined
+  }
+
+  if (!expression) {
+    expression = {type: 'JSXEmptyExpression'}
+    state.patch(node, expression)
+  }
+
+  /** @type {JsxExpressionContainer} */
+  const result = {type: 'JSXExpressionContainer', expression}
+  state.inherit(node, result)
+  return result
+}