Refactor to simplify some internal code

Author: wooorm

lib/core.js

@@ -23,7 +23,7 @@
  *   Attributes.
  * @property {Array<string>} classes
  *   Classes.
- * @property {Array<RefractorElement | Text> | RefractorElement | Text} content
+ * @property {Array<Element | Text> | Element | Text} content
  *   Content.
  * @property {string} language
  *   Language.
@@ -33,16 +33,6 @@
  *   Type.
  */
 
-/**
- * @typedef {Omit<Element, 'children'> & {children: Array<RefractorElement | Text>}} RefractorElement
- *   Element; narrowed down to what’s used here.
- */
-
-/**
- * @typedef {Omit<Root, 'children'> & {children: Array<RefractorElement | Text>}} RefractorRoot
- *   Root; narrowed down to what’s used here.
- */
-
 /**
  * @typedef {((prism: Refractor) => undefined | void) & {aliases?: Array<string> | undefined, displayName: string}} Syntax
  *   Refractor syntax function.
@@ -96,7 +86,7 @@ refractor.Token.stringify = stringify
  *   Code to highlight.
  * @param {Grammar | string} language
  *   Programming language name, alias, or grammar.
- * @returns {RefractorRoot}
+ * @returns {Root}
  *   Node representing highlighted code.
  */
 function highlight(value, language) {
@@ -242,7 +232,7 @@ function listLanguages() {
  *   Token to stringify.
  * @param {string} language
  *   Language of the token.
- * @returns {Array<RefractorElement | Text> | RefractorElement | Text}
+ * @returns {Array<Element | Text> | Element | Text}
  *   Node representing the token.
  */
 function stringify(value, language) {
@@ -251,7 +241,7 @@ function stringify(value, language) {
   }
 
   if (Array.isArray(value)) {
-    /** @type {Array<RefractorElement | Text>} */
+    /** @type {Array<Element | Text>} */
     const result = []
     let index = -1
 
@@ -261,8 +251,10 @@ function stringify(value, language) {
         value[index] !== undefined &&
         value[index] !== ''
       ) {
-        // @ts-expect-error Assume no sub-arrays.
-        result.push(stringify(value[index], language))
+        // Cast because we assume no sub-arrays.
+        result.push(
+          /** @type {Element | Text} */ (stringify(value[index], language))
+        )
       }
     }
 
@@ -288,7 +280,6 @@ function stringify(value, language) {
   // @ts-expect-error Prism.
   refractor.hooks.run('wrap', env)
 
-  // @ts-expect-error Hush, it’s fine.
   return h(
     env.tag + '.' + env.classes.join('.'),
     attributes(env.attributes),