Update Astro to v4 and Starlight to v0.15 (withastro#5740)

Author: delucis

package.json

@@ -32,16 +32,16 @@
     "@babel/core": "^7.18.10",
     "@docsearch/css": "^3.5.1",
     "@types/canvas-confetti": "^1.6.0",
-    "@types/hast": "^2.3.4",
+    "@types/hast": "^3.0.3",
     "@types/html-escaper": "^3.0.0",
-    "@types/mdast": "^3.0.10",
+    "@types/mdast": "^4.0.3",
     "@types/node": "^18.6.4",
     "@typescript-eslint/eslint-plugin": "^5.46.1",
     "@typescript-eslint/parser": "^5.46.1",
-    "astro": "^3.6.0",
-    "astro-auto-import": "^0.3.2",
+    "astro": "^4.0.2",
+    "astro-auto-import": "^0.4.2",
     "astro-eslint-parser": "^0.16.0",
-    "astro-og-canvas": "^0.4.0",
+    "astro-og-canvas": "^0.4.1",
     "bcp-47-normalize": "^2.1.0",
     "canvaskit-wasm": "^0.37.0",
     "dedent-js": "^1.0.1",
@@ -50,48 +50,48 @@
     "eslint-plugin-astro": "^0.21.0",
     "eslint-plugin-react": "^7.32.1",
     "fast-glob": "^3.2.11",
-    "hast-util-from-html": "^1.0.0",
-    "hast-util-to-html": "^8.0.4",
-    "hast-util-to-string": "^2.0.0",
-    "hastscript": "^7.0.2",
+    "hast-util-from-html": "^2.0.1",
+    "hast-util-to-html": "^9.0.0",
+    "hast-util-to-string": "^3.0.0",
+    "hastscript": "^8.0.0",
     "html-escaper": "^3.0.3",
     "htmlparser2": "^7.2.0",
     "kleur": "^4.1.5",
-    "mdast-util-from-markdown": "^1.2.0",
-    "mdast-util-to-hast": "^12.2.4",
-    "mdast-util-to-string": "^3.1.1",
-    "micromark-util-character": "^1.1.0",
-    "micromark-util-symbol": "^1.0.1",
+    "mdast-util-from-markdown": "^2.0.0",
+    "mdast-util-to-hast": "^13.0.0",
+    "mdast-util-to-string": "^4.0.0",
+    "micromark-util-character": "^2.0.1",
+    "micromark-util-symbol": "^2.0.0",
     "node-fetch": "^3.2.10",
     "organize-imports-cli": "^0.10.0",
     "p-retry": "^5.1.1",
     "parse-numeric-range": "^1.3.0",
     "prettier": "^3.1.0",
     "prettier-plugin-astro": "^0.12.2",
     "prompts": "^2.4.2",
-    "rehype": "^12.0.1",
-    "remark": "^14.0.2",
-    "remark-directive": "^2.0.1",
+    "rehype": "^13.0.1",
+    "remark": "^15.0.1",
+    "remark-directive": "^3.0.0",
     "simple-git": "^3.11.0",
     "tsm": "^2.3.0",
     "typescript": "^5.0.2",
-    "unified": "^10.1.2",
-    "unist-util-remove": "^3.1.0",
-    "unist-util-visit": "^4.1.0",
+    "unified": "^11.0.4",
+    "unist-util-remove": "^4.0.0",
+    "unist-util-visit": "^5.0.0",
     "unist-util-walker": "^1.0.0"
   },
   "dependencies": {
-    "@astrojs/check": "^0.2.0",
+    "@astrojs/check": "^0.3.1",
     "@astrojs/sitemap": "^3.0.3",
-    "@astrojs/starlight": "0.14.0",
+    "@astrojs/starlight": "0.15.0",
     "@docsearch/js": "^3.5.2",
     "@fontsource/ibm-plex-mono": "^4.5.10",
     "canvas-confetti": "^1.6.0",
     "jsdoc-api": "^7.1.1",
     "minimatch": "^9.0.3",
-    "rehype-autolink-headings": "^6.1.1",
-    "rehype-slug": "^5.0.1",
-    "remark-gfm": "^3.0.1",
+    "rehype-autolink-headings": "^7.1.0",
+    "rehype-slug": "^6.0.0",
+    "remark-gfm": "^4.0.0",
     "remark-smartypants": "^2.0.0",
     "sass": "^1.54.3",
     "sharp": "^0.32.5"

plugins/rehype-autolink.ts

@@ -81,7 +81,6 @@ function rehypei18nAutolinkHeadings() {
  * Spread this into Astro’s `markdown.rehypePlugins` option.
  */
 export const rehypeAutolink = (): RehypePlugins => [
-	// @ts-expect-error — Astro is not happy with this [plugin, options] tuple for some reason, but it works!
 	[rehypeAutolinkHeadings, autolinkConfig],
 	rehypei18nAutolinkHeadings(),
 ];

plugins/rehype-optimize-static.ts

@@ -16,7 +16,7 @@ const headingRe = /h([0-6])/;
  * string instead, which also reduces the AST size that Rollup holds in memory.
  */
 export function rehypeOptimizeStatic(): Transformer<Root, Root> {
-	return (tree) => {
+	return (tree: Node) => {
 		// All possible elements that could be the root of a subtree
 		const allPossibleElements = new Set<Node>();
 		// The current collapsible element stack while traversing the tree