Update zwitch

Author: wooorm

lib/index.js

@@ -41,9 +41,7 @@ export function toMarkdown(tree, options = {}) {
   /** @type {Handle} */
   context.handle = zwitch('type', {
     invalid,
-    // @ts-expect-error: hush.
     unknown,
-    // @ts-expect-error: hush.
     handlers: context.handlers
   })
 
@@ -78,16 +76,19 @@ export function toMarkdown(tree, options = {}) {
 /**
  * @type {Handle}
  * @param {unknown} value
+ * @returns {never}
  */
 function invalid(value) {
   throw new Error('Cannot handle value `' + value + '`, expected node')
 }
 
 /**
  * @type {Handle}
- * @param {Node} node
+ * @param {unknown} node
+ * @returns {never}
  */
 function unknown(node) {
+  // @ts-expect-error: fine.
   throw new Error('Cannot handle unknown node `' + node.type + '`')
 }