init

node_modules/beasties/LICENSE

@@ -0,0 +1,203 @@
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node_modules/beasties/README.md

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+<p align="center">
+  <img src="https://i.imgur.com/J0jv1Sz.png" width="240" height="240" alt="beasties">
+  <h1 align="center">Beasties</h1>
+</p>
+
+> Beasties is a plugin that inlines your app's [critical CSS] and lazy-loads the rest. It is a maintained fork of [GoogleChromeLabs/critters](https://github.com/GoogleChromeLabs/critters)
+
+## beasties [![npm](https://img.shields.io/npm/v/beasties.svg)](https://www.npmjs.org/package/beasties)
+
+It's a little different from [other options](#similar-libraries), because it **doesn't use a headless browser** to render content. This tradeoff allows Beasties to be very **fast and lightweight**. It also means Beasties inlines all CSS rules used by your document, rather than only those needed for above-the-fold content. For alternatives, see [Similar Libraries](#similar-libraries).
+
+Beasties' design makes it a good fit when inlining critical CSS for prerendered/SSR'd Single Page Applications. It was developed to be an excellent compliment to [prerender-loader](https://github.com/GoogleChromeLabs/prerender-loader), combining to dramatically improve first paint time for most Single Page Applications.
+
+## Features
+
+- Fast - no browser, few dependencies
+- Integrates with Webpack [beasties-webpack-plugin]
+- Supports preloading and/or inlining critical fonts
+- Prunes unused CSS keyframes and media queries
+- Removes inlined CSS rules from lazy-loaded stylesheets
+
+## Installation
+
+First, install Beasties as a development dependency:
+
+```sh
+npm i -D beasties
+```
+
+or
+
+```sh
+yarn add -D beasties
+```
+
+## Simple Example
+
+```js
+import Beasties from 'beasties'
+
+const beasties = new Beasties({
+  // optional configuration (see below)
+})
+
+const html = `
+  <style>
+    .red { color: red }
+    .blue { color: blue }
+  </style>
+  <div class="blue">I'm Blue</div>
+`
+
+const inlined = await beasties.process(html)
+
+console.log(inlined)
+// "<style>.blue{color:blue}</style><div class=\"blue\">I'm Blue</div>"
+```
+
+## Usage with Vite
+
+Beasties can be used with Vite through [vite-plugin-beasties](https://www.npmjs.org/package/vite-plugin-beasties). [![npm](https://img.shields.io/npm/v/vite-plugin-beasties.svg)](https://www.npmjs.org/package/vite-plugin-beasties)
+
+Just add it to your Vite configuration:
+
+```js
+// vite.config.ts
+import { defineConfig } from 'vite'
+import { beasties } from 'vite-plugin-beasties'
+
+export default defineConfig({
+  plugins: [
+    beasties({
+      // optional beasties configuration
+      options: {
+        preload: 'swap',
+      }
+    })
+  ]
+})
+```
+
+The plugin will process the output for your `index.html` and inline critical CSS while lazy-loading the rest.
+
+## Usage with webpack
+
+Beasties is also available as a Webpack plugin called [beasties-webpack-plugin](https://www.npmjs.org/package/beasties-webpack-plugin). [![npm](https://img.shields.io/npm/v/beasties-webpack-plugin.svg)](https://www.npmjs.org/package/beasties-webpack-plugin)
+
+The Webpack plugin supports the same configuration options as the main `beasties` package:
+
+```diff
+// webpack.config.js
++const Beasties = require('beasties-webpack-plugin');
+
+module.exports = {
+  plugins: [
++    new Beasties({
++      // optional configuration
++      preload: 'swap',
++    })
+  ]
+}
+```
+
+That's it! The resultant html will have its critical CSS inlined and the stylesheets lazy-loaded.
+
+## Usage
+
+<!-- Generated by documentation.js. Update this documentation by updating the source code. -->
+
+### Beasties
+
+All optional. Pass them to `new Beasties({ ... })`.
+
+#### Parameters
+
+- `options`
+
+#### Properties
+
+- `path` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Base path location of the CSS files _(default: `''`)_
+- `publicPath` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Public path of the CSS resources. This prefix is removed from the href _(default: `''`)_
+- `external` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Inline styles from external stylesheets _(default: `true`)_
+- `inlineThreshold` **[Number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number)** Inline external stylesheets smaller than a given size _(default: `0`)_
+- `minimumExternalSize` **[Number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number)** If the non-critical external stylesheet would be below this size, just inline it _(default: `0`)_
+- `pruneSource` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Remove inlined rules from the external stylesheet _(default: `false`)_
+- `mergeStylesheets` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Merged inlined stylesheets into a single `<style>` tag _(default: `true`)_
+- `additionalStylesheets` **[Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)<[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)>** Glob for matching other stylesheets to be used while looking for critical CSS.
+- `reduceInlineStyles` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Option indicates if inline styles should be evaluated for critical CSS. By default inline style tags will be evaluated and rewritten to only contain critical CSS. Set it to `false` to skip processing inline styles. _(default: `true`)_
+- `allowRules` **[Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)<[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String) | [RegExp](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RegExp)>** Always include rules matching these selectors or patterns in the critical CSS, regardless of whether they match elements in the document. _(default: `[]`)_
+- `preload` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Which [preload strategy](#preloadstrategy) to use
+- `noscriptFallback` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Add `<noscript>` fallback to JS-based strategies
+- `inlineFonts` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Inline critical font-face rules _(default: `false`)_
+- `preloadFonts` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Preloads critical fonts _(default: `true`)_
+- `fonts` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Shorthand for setting `inlineFonts` + `preloadFonts`\* Values:
+  - `true` to inline critical font-face rules and preload the fonts
+  - `false` to don't inline any font-face rules and don't preload fonts
+- `keyframes` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Controls which keyframes rules are inlined.\* Values:
+  - `"critical"`: _(default)_ inline keyframes rules used by the critical CSS
+  - `"all"` inline all keyframes rules
+  - `"none"` remove all keyframes rules
+- `compress` **[Boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Compress resulting critical CSS _(default: `true`)_
+- `logLevel` **[String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Controls [log level](#loglevel) of the plugin _(default: `"info"`)_
+- `logger` **[object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object)** Provide a custom logger interface [logger](#logger)
+
+### Include/exclude rules
+
+We can include or exclude rules to be part of critical CSS by adding comments in the CSS
+
+Single line comments to include/exclude the next CSS rule
+
+```css
+/* beasties:exclude */
+.selector1 {
+  /* this rule will be excluded from critical CSS */
+}
+
+.selector2 {
+  /* this will be evaluated normally */
+}
+
+/* beasties:include */
+.selector3 {
+  /* this rule will be included in the critical CSS */
+}
+
+.selector4 {
+  /* this will be evaluated normally */
+}
+```
+
+Including/Excluding multiple rules by adding start and end markers
+
+```css
+/* beasties:exclude start */
+
+.selector1 {
+  /* this rule will be excluded from critical CSS */
+}
+
+.selector2 {
+  /* this rule will be excluded from critical CSS */
+}
+
+/* beasties:exclude end */
+```
+
+```css
+/* beasties:include start */
+
+.selector3 {
+  /* this rule will be included in the critical CSS */
+}
+
+.selector4 {
+  /* this rule will be included in the critical CSS */
+}
+
+/* beasties:include end */
+```
+
+### Programmatically including rules with allowRules
+
+In addition to comment-based inclusion, you can use the `allowRules` option to programmatically include specific selectors or patterns in the critical CSS, regardless of whether they match elements in the document. This is useful for cases where you know certain styles should always be included.
+
+```js
+const beasties = new Beasties({
+  // Always include these selectors in critical CSS
+  allowRules: [
+    // Exact selector match
+    '.always-include',
+    // Regular expression pattern
+    /^\.modal-/
+  ]
+})
+```
+
+With this configuration, any CSS rules with selectors that match `.always-include` exactly or start with `.modal-` will be included in the critical CSS, even if no matching elements exist in the document.
+
+### Beasties container
+
+By default Beasties evaluates the CSS against the entire input HTML. Beasties evaluates the Critical CSS by reconstructing the entire DOM and evaluating the CSS selectors to find matching nodes. Usually this works well as Beasties is lightweight and fast.
+
+For some cases, the input HTML can be very large or deeply nested which makes the reconstructed DOM much larger, which in turn can slow down the critical CSS generation. Beasties is not aware of viewport size and what specific nodes are above the fold since there is not a headless browser involved.
+
+To overcome this issue Beasties makes use of **Beasties containers**.
+
+A Beasties container mimics the viewport and can be enabled by adding `data-beasties-container` into the top level container thats contains the HTML elements above the fold.
+
+You can estimate the contents of your viewport roughly and add a <div `data-beasties-container` > around the contents.
+
+```html
+<html>
+  <body>
+    <div class="container">
+      <div data-beasties-container>
+        /* HTML inside this container are used to evaluate critical CSS */
+      </div>
+      /* HTML is ignored when evaluating critical CSS */
+    </div>
+    <footer></footer>
+  </body>
+</html>
+```
+
+_Note: This is an easy way to improve the performance of Beasties_
+
+### Logger
+
+Custom logger interface:
+
+Type: [object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object)
+
+#### Properties
+
+- `trace` **function ([String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** Prints a trace message
+- `debug` **function ([String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** Prints a debug message
+- `info` **function ([String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** Prints an information message
+- `warn` **function ([String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** Prints a warning message
+- `error` **function ([String](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String))** Prints an error message
+
+### LogLevel
+
+Controls log level of the plugin. Specifies the level the logger should use. A logger will
+not produce output for any log level beneath the specified level. Available levels and order
+are:
+
+- **"info"** _(default)_
+- **"warn"**
+- **"error"**
+- **"trace"**
+- **"debug"**
+- **"silent"**
+
+Type: (`"info"` | `"warn"` | `"error"` | `"trace"` | `"debug"` | `"silent"`)
+
+### PreloadStrategy
+
+The mechanism to use for lazy-loading stylesheets.
+
+Note: <kbd>JS</kbd> indicates a strategy requiring JavaScript (falls back to `<noscript>` unless disabled).
+
+- **default:** Move stylesheet links to the end of the document and insert preload meta tags in their place.
+- **"body":** Move all external stylesheet links to the end of the document.
+- **"media":** Load stylesheets asynchronously by adding `media="not x"` and removing once loaded. <kbd>JS</kbd>
+- **"swap":** Convert stylesheet links to preloads that swap to `rel="stylesheet"` once loaded ([details](https://www.filamentgroup.com/lab/load-css-simpler/#the-code)). <kbd>JS</kbd>
+- **"swap-high":** Use `<link rel="alternate stylesheet preload">` and swap to `rel="stylesheet"` once loaded ([details](http://filamentgroup.github.io/loadCSS/test/new-high.html)). <kbd>JS</kbd>
+- **"swap-low":** Use `<link rel="alternate stylesheet">` (no `preload` in `rel` here!) and swap to `rel="stylesheet"` once loaded ([details](http://filamentgroup.github.io/loadCSS/test/new-low.html)). It ensures lowest priority compared to `swap` and `swap-high`. <kbd>JS</kbd>
+- **"js":** Inject an asynchronous CSS loader similar to [LoadCSS](https://github.com/filamentgroup/loadCSS) and use it to load stylesheets. <kbd>JS</kbd>
+- **"js-lazy":** Like `"js"`, but the stylesheet is disabled until fully loaded.
+- **false:** Disables adding preload tags.
+
+Type: (default | `"body"` | `"media"` | `"swap"` | `"swap-high"` | `"swap-low"` | `"js"` | `"js-lazy"`)
+
+## Similar Libraries
+
+There are a number of other libraries that can inline Critical CSS, each with a slightly different approach. Here are a few great options:
+
+- [Critical](https://github.com/addyosmani/critical)
+- [Penthouse](https://github.com/pocketjoso/penthouse)
+- [webpack-critical](https://github.com/lukeed/webpack-critical)
+- [webpack-plugin-critical](https://github.com/nrwl/webpack-plugin-critical)
+- [html-critical-webpack-plugin](https://github.com/anthonygore/html-critical-webpack-plugin)
+- [react-snap](https://github.com/stereobooster/react-snap)
+
+## License
+
+[Apache 2.0](LICENSE)
+
+This is not an official Google product.
+
+[beasties-webpack-plugin]: https://github.com/danielroe/beasties/tree/main/packages/beasties-webpack-plugin
+[critical css]: https://www.smashingmagazine.com/2015/08/understanding-critical-css/
+[html-webpack-plugin]: https://github.com/jantimon/html-webpack-plugin

node_modules/beasties/dist/index.cjs

@@ -0,0 +1,982 @@
+'use strict';
+
+const node_fs = require('node:fs');
+const path = require('node:path');
+const postcss = require('postcss');
+const mediaParser = require('postcss-media-query-parser');
+const cssSelect = require('css-select');
+const cssWhat = require('css-what');
+const render = require('dom-serializer');
+const domhandler = require('domhandler');
+const htmlparser2 = require('htmlparser2');
+const pc = require('picocolors');
+
+function _interopDefaultCompat (e) { return e && typeof e === 'object' && 'default' in e ? e.default : e; }
+
+const path__default = /*#__PURE__*/_interopDefaultCompat(path);
+const mediaParser__default = /*#__PURE__*/_interopDefaultCompat(mediaParser);
+const render__default = /*#__PURE__*/_interopDefaultCompat(render);
+const pc__default = /*#__PURE__*/_interopDefaultCompat(pc);
+
+function parseStylesheet(stylesheet) {
+  return postcss.parse(stylesheet);
+}
+function serializeStylesheet(ast, options) {
+  const cssParts = [];
+  postcss.stringify(ast, (result, node, type) => {
+    if (node?.type === "decl" && node.value.includes("</style>")) {
+      return;
+    }
+    if (!options.compress) {
+      cssParts.push(result);
+      return;
+    }
+    if (node?.type === "comment")
+      return;
+    if (node?.type === "decl") {
+      const prefix = node.prop + node.raws.between;
+      cssParts.push(result.replace(prefix, prefix.trim()));
+      return;
+    }
+    if (type === "start") {
+      if (node?.type === "rule" && node.selectors) {
+        if (node.selectors.length === 1) {
+          cssParts.push(node.selectors[0] ?? "", "{");
+        } else {
+          cssParts.push(node.selectors.join(","), "{");
+        }
+      } else {
+        cssParts.push(result.trim());
+      }
+      return;
+    }
+    if (type === "end" && result === "}" && node?.raws?.semicolon) {
+      const lastItemIdx = cssParts.length - 2;
+      if (lastItemIdx >= 0 && cssParts[lastItemIdx]) {
+        cssParts[lastItemIdx] = cssParts[lastItemIdx].slice(0, -1);
+      }
+    }
+    cssParts.push(result.trim());
+  });
+  return cssParts.join("");
+}
+function markOnly(predicate) {
+  return (rule) => {
+    const sel = "selectors" in rule ? rule.selectors : void 0;
+    if (predicate(rule) === false) {
+      rule.$$remove = true;
+    }
+    if ("selectors" in rule) {
+      rule.$$markedSelectors = rule.selectors;
+      rule.selectors = sel;
+    }
+    if (rule._other) {
+      rule._other.$$markedSelectors = rule._other.selectors;
+    }
+  };
+}
+function applyMarkedSelectors(rule) {
+  if (rule.$$markedSelectors) {
+    rule.selectors = rule.$$markedSelectors;
+  }
+  if (rule._other) {
+    applyMarkedSelectors(rule._other);
+  }
+}
+function walkStyleRules(node, iterator) {
+  if (!("nodes" in node)) {
+    return;
+  }
+  node.nodes = node.nodes?.filter((rule) => {
+    if (hasNestedRules(rule)) {
+      walkStyleRules(rule, iterator);
+    }
+    rule._other = void 0;
+    rule.filterSelectors = filterSelectors;
+    return iterator(rule) !== false;
+  });
+}
+function walkStyleRulesWithReverseMirror(node, node2, iterator) {
+  if (!node2)
+    return walkStyleRules(node, iterator);
+  [node.nodes, node2.nodes] = splitFilter(
+    node.nodes,
+    node2.nodes,
+    (rule, index, _rules, rules2) => {
+      const rule2 = rules2?.[index];
+      if (hasNestedRules(rule)) {
+        walkStyleRulesWithReverseMirror(rule, rule2, iterator);
+      }
+      rule._other = rule2;
+      rule.filterSelectors = filterSelectors;
+      return iterator(rule) !== false;
+    }
+  );
+}
+function hasNestedRules(rule) {
+  return "nodes" in rule && !!rule.nodes?.length && (!("name" in rule) || rule.name !== "keyframes" && rule.name !== "-webkit-keyframes") && rule.nodes.some((n) => n.type === "rule" || n.type === "atrule");
+}
+function splitFilter(a, b, predicate) {
+  const aOut = [];
+  const bOut = [];
+  for (let index = 0; index < a.length; index++) {
+    const item = a[index];
+    if (predicate(item, index, a, b)) {
+      aOut.push(item);
+    } else {
+      bOut.push(item);
+    }
+  }
+  return [aOut, bOut];
+}
+function filterSelectors(predicate) {
+  if (this._other) {
+    const [a, b] = splitFilter(
+      this.selectors,
+      this._other.selectors,
+      predicate
+    );
+    this.selectors = a;
+    this._other.selectors = b;
+  } else {
+    this.selectors = this.selectors.filter(predicate);
+  }
+}
+const MEDIA_TYPES = /* @__PURE__ */ new Set(["all", "print", "screen", "speech"]);
+const MEDIA_KEYWORDS = /* @__PURE__ */ new Set(["and", "not", ","]);
+const MEDIA_FEATURES = new Set(
+  [
+    "width",
+    "aspect-ratio",
+    "color",
+    "color-index",
+    "grid",
+    "height",
+    "monochrome",
+    "orientation",
+    "resolution",
+    "scan"
+  ].flatMap((feature) => [feature, `min-${feature}`, `max-${feature}`])
+);
+function validateMediaType(node) {
+  const { type: nodeType, value: nodeValue } = node;
+  if (nodeType === "media-type") {
+    return MEDIA_TYPES.has(nodeValue);
+  } else if (nodeType === "keyword") {
+    return MEDIA_KEYWORDS.has(nodeValue);
+  } else if (nodeType === "media-feature") {
+    return MEDIA_FEATURES.has(nodeValue);
+  }
+}
+function validateMediaQuery(query) {
+  const mediaParserFn = "default" in mediaParser__default ? mediaParser__default.default : mediaParser__default;
+  const mediaTree = mediaParserFn(query);
+  const nodeTypes = /* @__PURE__ */ new Set(["media-type", "keyword", "media-feature"]);
+  const stack = [mediaTree];
+  while (stack.length > 0) {
+    const node = stack.pop();
+    if (nodeTypes.has(node.type) && !validateMediaType(node)) {
+      return false;
+    }
+    if (node.nodes) {
+      stack.push(...node.nodes);
+    }
+  }
+  return true;
+}
+
+let classCache = null;
+let idCache = null;
+function buildCache(container) {
+  classCache = /* @__PURE__ */ new Set();
+  idCache = /* @__PURE__ */ new Set();
+  const queue = [container];
+  while (queue.length) {
+    const node = queue.shift();
+    if (node.hasAttribute?.("class")) {
+      const classList = node.getAttribute("class").trim().split(" ");
+      classList.forEach((cls) => {
+        classCache.add(cls);
+      });
+    }
+    if (node.hasAttribute?.("id")) {
+      const id = node.getAttribute("id").trim();
+      idCache.add(id);
+    }
+    if ("children" in node) {
+      queue.push(...node.children.filter((child) => child.type === "tag"));
+    }
+  }
+}
+function createDocument(html) {
+  const document = htmlparser2.parseDocument(html, { decodeEntities: false });
+  extendDocument(document);
+  extendElement(domhandler.Element.prototype);
+  let beastiesContainer = document.querySelector("[data-beasties-container]");
+  if (!beastiesContainer) {
+    document.documentElement?.setAttribute("data-beasties-container", "");
+    beastiesContainer = document.documentElement || document;
+  }
+  document.beastiesContainer = beastiesContainer;
+  buildCache(beastiesContainer);
+  return document;
+}
+function serializeDocument(document) {
+  return render__default(document, { decodeEntities: false });
+}
+let extended = false;
+function extendElement(element) {
+  if (extended) {
+    return;
+  }
+  extended = true;
+  Object.defineProperties(element, {
+    nodeName: {
+      get() {
+        return this.tagName.toUpperCase();
+      }
+    },
+    id: {
+      get() {
+        return this.getAttribute("id");
+      },
+      set(value) {
+        this.setAttribute("id", value);
+      }
+    },
+    className: {
+      get() {
+        return this.getAttribute("class");
+      },
+      set(value) {
+        this.setAttribute("class", value);
+      }
+    },
+    insertBefore: {
+      value(child, referenceNode) {
+        if (!referenceNode)
+          return this.appendChild(child);
+        htmlparser2.DomUtils.prepend(referenceNode, child);
+        return child;
+      }
+    },
+    appendChild: {
+      value(child) {
+        htmlparser2.DomUtils.appendChild(this, child);
+        return child;
+      }
+    },
+    removeChild: {
+      value(child) {
+        htmlparser2.DomUtils.removeElement(child);
+      }
+    },
+    remove: {
+      value() {
+        htmlparser2.DomUtils.removeElement(this);
+      }
+    },
+    textContent: {
+      get() {
+        return htmlparser2.DomUtils.getText(this);
+      },
+      set(text) {
+        this.children = [];
+        htmlparser2.DomUtils.appendChild(this, new domhandler.Text(text));
+      }
+    },
+    setAttribute: {
+      value(name, value) {
+        if (this.attribs == null)
+          this.attribs = {};
+        if (value == null)
+          value = "";
+        this.attribs[name] = value;
+      }
+    },
+    removeAttribute: {
+      value(name) {
+        if (this.attribs != null) {
+          delete this.attribs[name];
+        }
+      }
+    },
+    getAttribute: {
+      value(name) {
+        return this.attribs != null && this.attribs[name];
+      }
+    },
+    hasAttribute: {
+      value(name) {
+        return this.attribs != null && this.attribs[name] != null;
+      }
+    },
+    getAttributeNode: {
+      value(name) {
+        const value = this.getAttribute(name);
+        if (value != null)
+          return { specified: true, value };
+      }
+    },
+    exists: {
+      value(sel) {
+        return cachedQuerySelector(sel, this);
+      }
+    },
+    querySelector: {
+      value(sel) {
+        return cssSelect.selectOne(sel, this);
+      }
+    },
+    querySelectorAll: {
+      value(sel) {
+        return cssSelect.selectAll(sel, this);
+      }
+    }
+  });
+}
+function extendDocument(document) {
+  Object.defineProperties(document, {
+    // document is just an Element in htmlparser2, giving it a nodeType of ELEMENT_NODE.
+    // TODO: verify if these are needed for css-select
+    nodeType: {
+      get() {
+        return 9;
+      }
+    },
+    contentType: {
+      get() {
+        return "text/html";
+      }
+    },
+    nodeName: {
+      get() {
+        return "#document";
+      }
+    },
+    documentElement: {
+      get() {
+        return this.children.find(
+          (child) => "tagName" in child && String(child.tagName).toLowerCase() === "html"
+        );
+      }
+    },
+    head: {
+      get() {
+        return this.querySelector("head");
+      }
+    },
+    body: {
+      get() {
+        return this.querySelector("body");
+      }
+    },
+    createElement: {
+      value(name) {
+        return new domhandler.Element(name, {});
+      }
+    },
+    createTextNode: {
+      value(text) {
+        return new domhandler.Text(text);
+      }
+    },
+    exists: {
+      value(sel) {
+        return cachedQuerySelector(sel, this);
+      }
+    },
+    querySelector: {
+      value(sel) {
+        return cssSelect.selectOne(sel, this);
+      }
+    },
+    querySelectorAll: {
+      value(sel) {
+        if (sel === ":root") {
+          return this;
+        }
+        return cssSelect.selectAll(sel, this);
+      }
+    }
+  });
+}
+const selectorTokensCache = /* @__PURE__ */ new Map();
+function cachedQuerySelector(sel, node) {
+  let selectorTokens = selectorTokensCache.get(sel);
+  if (selectorTokens === void 0) {
+    selectorTokens = parseRelevantSelectors(sel);
+    selectorTokensCache.set(sel, selectorTokens);
+  }
+  if (selectorTokens) {
+    for (const token of selectorTokens) {
+      if (token.name === "class") {
+        return classCache.has(token.value);
+      }
+      if (token.name === "id") {
+        return idCache.has(token.value);
+      }
+    }
+  }
+  return !!cssSelect.selectOne(sel, node);
+}
+function parseRelevantSelectors(sel) {
+  const tokens = cssWhat.parse(sel);
+  const relevantTokens = [];
+  for (let i = 0; i < tokens.length; i++) {
+    const tokenGroup = tokens[i];
+    if (tokenGroup?.length !== 1) {
+      continue;
+    }
+    const token = tokenGroup[0];
+    if (token?.type === "attribute" && (token.name === "class" || token.name === "id")) {
+      relevantTokens.push(token);
+    }
+  }
+  return relevantTokens.length > 0 ? relevantTokens : null;
+}
+
+const LOG_LEVELS = ["trace", "debug", "info", "warn", "error", "silent"];
+const defaultLogger = {
+  trace(msg) {
+    console.trace(msg);
+  },
+  debug(msg) {
+    console.debug(msg);
+  },
+  warn(msg) {
+    console.warn(pc__default.yellow(msg));
+  },
+  error(msg) {
+    console.error(pc__default.bold(pc__default.red(msg)));
+  },
+  info(msg) {
+    console.info(pc__default.bold(pc__default.blue(msg)));
+  },
+  silent() {
+  }
+};
+function createLogger(logLevel) {
+  const logLevelIdx = LOG_LEVELS.indexOf(logLevel);
+  return LOG_LEVELS.reduce((logger, type, index) => {
+    if (index >= logLevelIdx) {
+      logger[type] = defaultLogger[type];
+    } else {
+      logger[type] = defaultLogger.silent;
+    }
+    return logger;
+  }, {});
+}
+function isSubpath(basePath, currentPath) {
+  return !path__default.relative(basePath, currentPath).startsWith("..");
+}
+
+const removePseudoClassesAndElementsPattern = /(?<!\\)::?[a-z-]+(?:\(.+\))?/gi;
+const implicitUniversalPattern = /([>+~])\s*(?!\1)([>+~])/g;
+const emptyCombinatorPattern = /([>+~])\s*(?=\1|$)/g;
+const removeTrailingCommasPattern = /\(\s*,|,\s*\)/g;
+class Beasties {
+  #selectorCache = /* @__PURE__ */ new Map();
+  options;
+  logger;
+  fs;
+  constructor(options = {}) {
+    this.options = Object.assign({
+      logLevel: "info",
+      path: "",
+      publicPath: "",
+      reduceInlineStyles: true,
+      pruneSource: false,
+      additionalStylesheets: [],
+      allowRules: []
+    }, options);
+    this.logger = this.options.logger || createLogger(this.options.logLevel);
+  }
+  /**
+   * Read the contents of a file from the specified filesystem or disk
+   */
+  readFile(filename) {
+    const fs = this.fs;
+    return new Promise((resolve, reject) => {
+      const callback = (err, data) => {
+        if (err)
+          reject(err);
+        else resolve(data.toString());
+      };
+      if (fs && fs.readFile) {
+        fs.readFile(filename, callback);
+      } else {
+        node_fs.readFile(filename, "utf-8", callback);
+      }
+    });
+  }
+  /**
+   * Write content to a file
+   */
+  writeFile(filename, data) {
+    const fs = this.fs;
+    return new Promise((resolve, reject) => {
+      const callback = (err) => {
+        if (err)
+          reject(err);
+        else resolve();
+      };
+      if (fs && fs.writeFile) {
+        fs.writeFile(filename, data, callback);
+      } else {
+        node_fs.writeFile(filename, data, callback);
+      }
+    });
+  }
+  /**
+   * Apply critical CSS processing to the html
+   */
+  async process(html) {
+    const start = Date.now();
+    const document = createDocument(html);
+    if (this.options.additionalStylesheets.length > 0) {
+      await this.embedAdditionalStylesheet(document);
+    }
+    if (this.options.external !== false) {
+      const externalSheets = [...document.querySelectorAll('link[rel="stylesheet"]')];
+      await Promise.all(
+        externalSheets.map((link) => this.embedLinkedStylesheet(link, document))
+      );
+    }
+    const styles = this.getAffectedStyleTags(document);
+    for (const style of styles) {
+      this.processStyle(style, document);
+    }
+    if (this.options.mergeStylesheets !== false && styles.length !== 0) {
+      this.mergeStylesheets(document);
+    }
+    const output = serializeDocument(document);
+    const end = Date.now();
+    this.logger.info?.(`Time ${end - start}ms`);
+    return output;
+  }
+  /**
+   * Get the style tags that need processing
+   */
+  getAffectedStyleTags(document) {
+    const styles = [...document.querySelectorAll("style")];
+    if (this.options.reduceInlineStyles === false) {
+      return styles.filter((style) => style.$$external);
+    }
+    return styles;
+  }
+  mergeStylesheets(document) {
+    const styles = this.getAffectedStyleTags(document);
+    if (styles.length === 0) {
+      this.logger.warn?.(
+        "Merging inline stylesheets into a single <style> tag skipped, no inline stylesheets to merge"
+      );
+      return;
+    }
+    const first = styles[0];
+    let sheet = first.textContent;
+    for (let i = 1; i < styles.length; i++) {
+      const node = styles[i];
+      sheet += node.textContent;
+      node.remove();
+    }
+    first.textContent = sheet;
+  }
+  /**
+   * Given href, find the corresponding CSS asset
+   */
+  async getCssAsset(href, _style) {
+    const outputPath = this.options.path;
+    const publicPath = this.options.publicPath;
+    let normalizedPath = href.replace(/^\//, "");
+    const pathPrefix = `${(publicPath || "").replace(/(^\/|\/$)/g, "")}/`;
+    if (normalizedPath.startsWith(pathPrefix)) {
+      normalizedPath = normalizedPath.substring(pathPrefix.length).replace(/^\//, "");
+    }
+    if (/^https?:\/\//.test(normalizedPath) || href.startsWith("//")) {
+      return void 0;
+    }
+    const filename = path__default.resolve(outputPath, normalizedPath);
+    if (!isSubpath(outputPath, filename)) {
+      return void 0;
+    }
+    let sheet;
+    try {
+      sheet = await this.readFile(filename);
+    } catch {
+      this.logger.warn?.(`Unable to locate stylesheet: ${filename}`);
+    }
+    return sheet;
+  }
+  checkInlineThreshold(link, style, sheet) {
+    if (this.options.inlineThreshold && sheet.length < this.options.inlineThreshold) {
+      const href = style.$$name;
+      style.$$reduce = false;
+      this.logger.info?.(
+        `\x1B[32mInlined all of ${href} (${sheet.length} was below the threshold of ${this.options.inlineThreshold})\x1B[39m`
+      );
+      link.remove();
+      return true;
+    }
+    return false;
+  }
+  /**
+   * Inline the stylesheets from options.additionalStylesheets (assuming it passes `options.filter`)
+   */
+  async embedAdditionalStylesheet(document) {
+    const styleSheetsIncluded = [];
+    const sources = await Promise.all(
+      this.options.additionalStylesheets.map((cssFile) => {
+        if (styleSheetsIncluded.includes(cssFile)) {
+          return [];
+        }
+        styleSheetsIncluded.push(cssFile);
+        const style = document.createElement("style");
+        style.$$external = true;
+        return this.getCssAsset(cssFile, style).then((sheet) => [sheet, style]);
+      })
+    );
+    for (const [sheet, style] of sources) {
+      if (sheet) {
+        style.textContent = sheet;
+        document.head.appendChild(style);
+      }
+    }
+  }
+  /**
+   * Inline the target stylesheet referred to by a <link rel="stylesheet"> (assuming it passes `options.filter`)
+   */
+  async embedLinkedStylesheet(link, document) {
+    const href = link.getAttribute("href");
+    if (!href?.endsWith(".css")) {
+      return void 0;
+    }
+    const style = document.createElement("style");
+    style.$$external = true;
+    const sheet = await this.getCssAsset(href, style);
+    if (!sheet) {
+      return;
+    }
+    style.textContent = sheet;
+    style.$$name = href;
+    style.$$links = [link];
+    link.parentNode?.insertBefore(style, link);
+    if (this.checkInlineThreshold(link, style, sheet)) {
+      return;
+    }
+    let media = link.getAttribute("media");
+    if (media && !validateMediaQuery(media)) {
+      media = void 0;
+    }
+    const preloadMode = this.options.preload;
+    let cssLoaderPreamble = "function $loadcss(u,m,l){(l=document.createElement('link')).rel='stylesheet';l.href=u;document.head.appendChild(l)}";
+    const lazy = preloadMode === "js-lazy";
+    if (lazy) {
+      cssLoaderPreamble = cssLoaderPreamble.replace(
+        "l.href",
+        "l.media='print';l.onload=function(){l.media=m};l.href"
+      );
+    }
+    if (preloadMode === false)
+      return;
+    let noscriptFallback = false;
+    let updateLinkToPreload = false;
+    const noscriptLink = link.cloneNode(false);
+    if (preloadMode === "body") {
+      document.body.appendChild(link);
+    } else {
+      if (preloadMode === "js" || preloadMode === "js-lazy") {
+        const script = document.createElement("script");
+        script.setAttribute("data-href", href);
+        script.setAttribute("data-media", media || "all");
+        const js = `${cssLoaderPreamble}$loadcss(document.currentScript.dataset.href,document.currentScript.dataset.media)`;
+        script.textContent = js;
+        link.parentNode.insertBefore(script, link.nextSibling);
+        style.$$links.push(script);
+        cssLoaderPreamble = "";
+        noscriptFallback = true;
+        updateLinkToPreload = true;
+      } else if (preloadMode === "media") {
+        link.setAttribute("media", "print");
+        link.setAttribute("onload", `this.media='${media || "all"}'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap-high") {
+        link.setAttribute("rel", "alternate stylesheet preload");
+        link.setAttribute("title", "styles");
+        link.setAttribute("onload", `this.title='';this.rel='stylesheet'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap-low") {
+        link.setAttribute("rel", "alternate stylesheet");
+        link.setAttribute("title", "styles");
+        link.setAttribute("onload", `this.title='';this.rel='stylesheet'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap") {
+        link.setAttribute("onload", "this.rel='stylesheet'");
+        updateLinkToPreload = true;
+        noscriptFallback = true;
+      } else {
+        const bodyLink = link.cloneNode(false);
+        bodyLink.removeAttribute("id");
+        document.body.appendChild(bodyLink);
+        style.$$links.push(bodyLink);
+        updateLinkToPreload = true;
+      }
+    }
+    if (this.options.noscriptFallback !== false && noscriptFallback && !href.includes("</noscript>")) {
+      const noscript = document.createElement("noscript");
+      noscriptLink.removeAttribute("id");
+      noscript.appendChild(noscriptLink);
+      link.parentNode.insertBefore(noscript, link.nextSibling);
+      style.$$links.push(noscript);
+    }
+    if (updateLinkToPreload) {
+      link.setAttribute("rel", "preload");
+      link.setAttribute("as", "style");
+    }
+  }
+  /**
+   * Prune the source CSS files
+   */
+  pruneSource(style, before, sheetInverse) {
+    const minSize = this.options.minimumExternalSize;
+    const name = style.$$name;
+    const shouldInline = minSize && sheetInverse.length < minSize;
+    if (shouldInline) {
+      this.logger.info?.(
+        `\x1B[32mInlined all of ${name} (non-critical external stylesheet would have been ${sheetInverse.length}b, which was below the threshold of ${minSize})\x1B[39m`
+      );
+    }
+    if (shouldInline || !sheetInverse) {
+      style.textContent = before;
+      if (style.$$links) {
+        for (const link of style.$$links) {
+          const parent = link.parentNode;
+          parent?.removeChild(link);
+        }
+      }
+    }
+    return !!shouldInline;
+  }
+  /**
+   * Parse the stylesheet within a <style> element, then reduce it to contain only rules used by the document.
+   */
+  processStyle(style, document) {
+    if (style.$$reduce === false)
+      return;
+    const name = style.$$name ? style.$$name.replace(/^\//, "") : "inline CSS";
+    const options = this.options;
+    const beastiesContainer = document.beastiesContainer;
+    let keyframesMode = options.keyframes ?? "critical";
+    if (keyframesMode === true)
+      keyframesMode = "all";
+    if (keyframesMode === false)
+      keyframesMode = "none";
+    let sheet = style.textContent;
+    const before = sheet;
+    if (!sheet)
+      return;
+    const ast = parseStylesheet(sheet);
+    const astInverse = options.pruneSource ? parseStylesheet(sheet) : null;
+    let criticalFonts = "";
+    const failedSelectors = [];
+    const criticalKeyframeNames = /* @__PURE__ */ new Set();
+    let includeNext = false;
+    let includeAll = false;
+    let excludeNext = false;
+    let excludeAll = false;
+    const shouldPreloadFonts = options.fonts === true || options.preloadFonts === true;
+    const shouldInlineFonts = options.fonts !== false && options.inlineFonts === true;
+    walkStyleRules(
+      ast,
+      markOnly((rule) => {
+        if (rule.type === "comment") {
+          const beastiesComment = rule.text.match(/^(?<!! )beasties:(.*)/);
+          const command = beastiesComment && beastiesComment[1];
+          if (command) {
+            switch (command) {
+              case "include":
+                includeNext = true;
+                break;
+              case "exclude":
+                excludeNext = true;
+                break;
+              case "include start":
+                includeAll = true;
+                break;
+              case "include end":
+                includeAll = false;
+                break;
+              case "exclude start":
+                excludeAll = true;
+                break;
+              case "exclude end":
+                excludeAll = false;
+                break;
+            }
+          }
+        }
+        if (rule.type === "rule") {
+          if (includeNext) {
+            includeNext = false;
+            return true;
+          }
+          if (excludeNext) {
+            excludeNext = false;
+            return false;
+          }
+          if (includeAll) {
+            return true;
+          }
+          if (excludeAll) {
+            return false;
+          }
+          rule.filterSelectors?.((sel) => {
+            const isAllowedRule = options.allowRules.some((exp) => {
+              if (exp instanceof RegExp) {
+                return exp.test(sel);
+              }
+              return exp === sel;
+            });
+            if (isAllowedRule)
+              return true;
+            if (sel === ":root" || sel === "html" || sel === "body" || sel[0] === ":" && /^::?(?:before|after)$/.test(sel)) {
+              return true;
+            }
+            sel = this.normalizeCssSelector(sel);
+            if (!sel)
+              return false;
+            try {
+              return beastiesContainer.exists(sel);
+            } catch (e) {
+              failedSelectors.push(`${sel} -> ${e.message || e.toString()}`);
+              return false;
+            }
+          });
+          if (!rule.selector) {
+            return false;
+          }
+          if (rule.nodes) {
+            for (const decl of rule.nodes) {
+              if (!("prop" in decl)) {
+                continue;
+              }
+              if (shouldInlineFonts && /\bfont(?:-family)?\b/i.test(decl.prop)) {
+                criticalFonts += ` ${decl.value}`;
+              }
+              if (decl.prop === "animation" || decl.prop === "animation-name") {
+                for (const name2 of decl.value.split(/\s+/)) {
+                  const nameTrimmed = name2.trim();
+                  if (nameTrimmed)
+                    criticalKeyframeNames.add(nameTrimmed);
+                }
+              }
+            }
+          }
+        }
+        if (rule.type === "atrule" && (rule.name === "font-face" || rule.name === "layer"))
+          return;
+        const hasRemainingRules = ("nodes" in rule && rule.nodes?.some((rule2) => !rule2.$$remove)) ?? true;
+        return hasRemainingRules;
+      })
+    );
+    if (failedSelectors.length !== 0) {
+      this.logger.warn?.(
+        `${failedSelectors.length} rules skipped due to selector errors:
+  ${failedSelectors.join("\n  ")}`
+      );
+    }
+    const preloadedFonts = /* @__PURE__ */ new Set();
+    walkStyleRulesWithReverseMirror(ast, astInverse, (rule) => {
+      if (rule.$$remove === true)
+        return false;
+      if ("selectors" in rule) {
+        applyMarkedSelectors(rule);
+      }
+      if (rule.type === "atrule" && rule.name === "keyframes") {
+        if (keyframesMode === "none")
+          return false;
+        if (keyframesMode === "all")
+          return true;
+        return criticalKeyframeNames.has(rule.params);
+      }
+      if (rule.type === "atrule" && rule.name === "font-face") {
+        let family, src;
+        if (rule.nodes) {
+          for (const decl of rule.nodes) {
+            if (!("prop" in decl)) {
+              continue;
+            }
+            if (decl.prop === "src") {
+              src = (decl.value.match(/url\s*\(\s*(['"]?)(.+?)\1\s*\)/) || [])[2];
+            } else if (decl.prop === "font-family") {
+              family = decl.value;
+            }
+          }
+          if (src && shouldPreloadFonts && !preloadedFonts.has(src)) {
+            preloadedFonts.add(src);
+            const preload = document.createElement("link");
+            preload.setAttribute("rel", "preload");
+            preload.setAttribute("as", "font");
+            preload.setAttribute("crossorigin", "anonymous");
+            preload.setAttribute("href", src.trim());
+            document.head.appendChild(preload);
+          }
+        }
+        if (!shouldInlineFonts || !family || !src || !criticalFonts.includes(family)) {
+          return false;
+        }
+      }
+    });
+    sheet = serializeStylesheet(ast, {
+      compress: this.options.compress !== false
+    });
+    if (sheet.trim().length === 0) {
+      if (style.parentNode) {
+        style.remove();
+      }
+      return;
+    }
+    let afterText = "";
+    let styleInlinedCompletely = false;
+    if (options.pruneSource) {
+      const sheetInverse = serializeStylesheet(astInverse, {
+        compress: this.options.compress !== false
+      });
+      styleInlinedCompletely = this.pruneSource(style, before, sheetInverse);
+      if (styleInlinedCompletely) {
+        const percent2 = sheetInverse.length / before.length * 100;
+        afterText = `, reducing non-inlined size ${percent2 | 0}% to ${formatSize(sheetInverse.length)}`;
+      }
+      const cssFilePath = path__default.resolve(this.options.path, name);
+      this.writeFile(cssFilePath, sheetInverse).then(() => this.logger.info?.(`${name} was successfully updated`)).catch((err) => this.logger.error?.(err));
+    }
+    if (!styleInlinedCompletely) {
+      style.textContent = sheet;
+    }
+    const percent = sheet.length / before.length * 100 | 0;
+    this.logger.info?.(
+      `\x1B[32mInlined ${formatSize(sheet.length)} (${percent}% of original ${formatSize(before.length)}) of ${name}${afterText}.\x1B[39m`
+    );
+  }
+  normalizeCssSelector(sel) {
+    let normalizedSelector = this.#selectorCache.get(sel);
+    if (normalizedSelector !== void 0) {
+      return normalizedSelector;
+    }
+    normalizedSelector = sel.replace(removePseudoClassesAndElementsPattern, "").replace(removeTrailingCommasPattern, (match) => match.includes("(") ? "(" : ")").replace(implicitUniversalPattern, "$1 * $2").replace(emptyCombinatorPattern, "$1 *").trim();
+    this.#selectorCache.set(sel, normalizedSelector);
+    return normalizedSelector;
+  }
+}
+function formatSize(size) {
+  if (size <= 0) {
+    return "0 bytes";
+  }
+  const abbreviations = ["bytes", "kB", "MB", "GB"];
+  const index = Math.floor(Math.log(size) / Math.log(1024));
+  const roundedSize = size / 1024 ** index;
+  const fractionDigits = index === 0 ? 0 : 2;
+  return `${roundedSize.toFixed(fractionDigits)} ${abbreviations[index]}`;
+}
+
+module.exports = Beasties;

node_modules/beasties/dist/index.d.cts

@@ -0,0 +1,80 @@
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+declare class Beasties {
+  /**
+   * Create an instance of Beasties with custom options.
+   * The `.process()` method can be called repeatedly to re-use this instance and its cache.
+   */
+  constructor(options?: Options)
+  /**
+   * Process an HTML document to inline critical CSS from its stylesheets.
+   * @param html String containing a full HTML document to be parsed.
+   * @returns A modified copy of the provided HTML with critical CSS inlined.
+   */
+  process(html: string): Promise<string>
+  /**
+   * Read the contents of a file from the specified filesystem or disk.
+   * Override this method to customize how stylesheets are loaded.
+   */
+  readFile(filename: string): Promise<string> | string
+  /**
+   * Given a stylesheet URL, returns the corresponding CSS asset.
+   * Overriding this method requires doing your own URL normalization, so it's generally better to override `readFile()`.
+   */
+  getCssAsset(href: string): Promise<string | undefined> | string | undefined
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  pruneSource(style: Node, before: string, sheetInverse: string): boolean
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  checkInlineThreshold(link: Node, style: Node, sheet: string): boolean
+}
+
+interface Options {
+  path?: string
+  publicPath?: string
+  external?: boolean
+  inlineThreshold?: number
+  minimumExternalSize?: number
+  pruneSource?: boolean
+  mergeStylesheets?: boolean
+  additionalStylesheets?: string[]
+  preload?: 'body' | 'media' | 'swap' | 'swap-high' | 'swap-low' | 'js' | 'js-lazy'
+  noscriptFallback?: boolean
+  inlineFonts?: boolean
+  preloadFonts?: boolean
+  allowRules?: Array<string | RegExp>
+  fonts?: boolean
+  keyframes?: string
+  compress?: boolean
+  logLevel?: 'info' | 'warn' | 'error' | 'trace' | 'debug' | 'silent'
+  reduceInlineStyles?: boolean
+  logger?: Logger
+}
+
+interface Logger {
+  trace?: (message: string) => void
+  debug?: (message: string) => void
+  info?: (message: string) => void
+  warn?: (message: string) => void
+  error?: (message: string) => void
+}
+
+export = Beasties;
+export type { Logger, Options };

node_modules/beasties/dist/index.d.mts

@@ -0,0 +1,80 @@
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+declare class Beasties {
+  /**
+   * Create an instance of Beasties with custom options.
+   * The `.process()` method can be called repeatedly to re-use this instance and its cache.
+   */
+  constructor(options?: Options)
+  /**
+   * Process an HTML document to inline critical CSS from its stylesheets.
+   * @param html String containing a full HTML document to be parsed.
+   * @returns A modified copy of the provided HTML with critical CSS inlined.
+   */
+  process(html: string): Promise<string>
+  /**
+   * Read the contents of a file from the specified filesystem or disk.
+   * Override this method to customize how stylesheets are loaded.
+   */
+  readFile(filename: string): Promise<string> | string
+  /**
+   * Given a stylesheet URL, returns the corresponding CSS asset.
+   * Overriding this method requires doing your own URL normalization, so it's generally better to override `readFile()`.
+   */
+  getCssAsset(href: string): Promise<string | undefined> | string | undefined
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  pruneSource(style: Node, before: string, sheetInverse: string): boolean
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  checkInlineThreshold(link: Node, style: Node, sheet: string): boolean
+}
+
+interface Options {
+  path?: string
+  publicPath?: string
+  external?: boolean
+  inlineThreshold?: number
+  minimumExternalSize?: number
+  pruneSource?: boolean
+  mergeStylesheets?: boolean
+  additionalStylesheets?: string[]
+  preload?: 'body' | 'media' | 'swap' | 'swap-high' | 'swap-low' | 'js' | 'js-lazy'
+  noscriptFallback?: boolean
+  inlineFonts?: boolean
+  preloadFonts?: boolean
+  allowRules?: Array<string | RegExp>
+  fonts?: boolean
+  keyframes?: string
+  compress?: boolean
+  logLevel?: 'info' | 'warn' | 'error' | 'trace' | 'debug' | 'silent'
+  reduceInlineStyles?: boolean
+  logger?: Logger
+}
+
+interface Logger {
+  trace?: (message: string) => void
+  debug?: (message: string) => void
+  info?: (message: string) => void
+  warn?: (message: string) => void
+  error?: (message: string) => void
+}
+
+export { Beasties as default };
+export type { Logger, Options };

node_modules/beasties/dist/index.d.ts

@@ -0,0 +1,77 @@
+/**
+ * Copyright 2018 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+export default class Beasties {
+  /**
+   * Create an instance of Beasties with custom options.
+   * The `.process()` method can be called repeatedly to re-use this instance and its cache.
+   */
+  constructor(options?: Options)
+  /**
+   * Process an HTML document to inline critical CSS from its stylesheets.
+   * @param html String containing a full HTML document to be parsed.
+   * @returns A modified copy of the provided HTML with critical CSS inlined.
+   */
+  process(html: string): Promise<string>
+  /**
+   * Read the contents of a file from the specified filesystem or disk.
+   * Override this method to customize how stylesheets are loaded.
+   */
+  readFile(filename: string): Promise<string> | string
+  /**
+   * Given a stylesheet URL, returns the corresponding CSS asset.
+   * Overriding this method requires doing your own URL normalization, so it's generally better to override `readFile()`.
+   */
+  getCssAsset(href: string): Promise<string | undefined> | string | undefined
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  pruneSource(style: Node, before: string, sheetInverse: string): boolean
+  /**
+   * Override this method to customise how beasties prunes the content of source files.
+   */
+  checkInlineThreshold(link: Node, style: Node, sheet: string): boolean
+}
+
+export interface Options {
+  path?: string
+  publicPath?: string
+  external?: boolean
+  inlineThreshold?: number
+  minimumExternalSize?: number
+  pruneSource?: boolean
+  mergeStylesheets?: boolean
+  additionalStylesheets?: string[]
+  preload?: 'body' | 'media' | 'swap' | 'swap-high' | 'swap-low' | 'js' | 'js-lazy'
+  noscriptFallback?: boolean
+  inlineFonts?: boolean
+  preloadFonts?: boolean
+  allowRules?: Array<string | RegExp>
+  fonts?: boolean
+  keyframes?: string
+  compress?: boolean
+  logLevel?: 'info' | 'warn' | 'error' | 'trace' | 'debug' | 'silent'
+  reduceInlineStyles?: boolean
+  logger?: Logger
+}
+
+export interface Logger {
+  trace?: (message: string) => void
+  debug?: (message: string) => void
+  info?: (message: string) => void
+  warn?: (message: string) => void
+  error?: (message: string) => void
+}

node_modules/beasties/dist/index.mjs

@@ -0,0 +1,973 @@
+import { readFile, writeFile } from 'node:fs';
+import path from 'node:path';
+import { parse, stringify } from 'postcss';
+import mediaParser from 'postcss-media-query-parser';
+import { selectAll, selectOne } from 'css-select';
+import { parse as parse$1 } from 'css-what';
+import render from 'dom-serializer';
+import { Element, Text } from 'domhandler';
+import { parseDocument, DomUtils } from 'htmlparser2';
+import pc from 'picocolors';
+
+function parseStylesheet(stylesheet) {
+  return parse(stylesheet);
+}
+function serializeStylesheet(ast, options) {
+  const cssParts = [];
+  stringify(ast, (result, node, type) => {
+    if (node?.type === "decl" && node.value.includes("</style>")) {
+      return;
+    }
+    if (!options.compress) {
+      cssParts.push(result);
+      return;
+    }
+    if (node?.type === "comment")
+      return;
+    if (node?.type === "decl") {
+      const prefix = node.prop + node.raws.between;
+      cssParts.push(result.replace(prefix, prefix.trim()));
+      return;
+    }
+    if (type === "start") {
+      if (node?.type === "rule" && node.selectors) {
+        if (node.selectors.length === 1) {
+          cssParts.push(node.selectors[0] ?? "", "{");
+        } else {
+          cssParts.push(node.selectors.join(","), "{");
+        }
+      } else {
+        cssParts.push(result.trim());
+      }
+      return;
+    }
+    if (type === "end" && result === "}" && node?.raws?.semicolon) {
+      const lastItemIdx = cssParts.length - 2;
+      if (lastItemIdx >= 0 && cssParts[lastItemIdx]) {
+        cssParts[lastItemIdx] = cssParts[lastItemIdx].slice(0, -1);
+      }
+    }
+    cssParts.push(result.trim());
+  });
+  return cssParts.join("");
+}
+function markOnly(predicate) {
+  return (rule) => {
+    const sel = "selectors" in rule ? rule.selectors : void 0;
+    if (predicate(rule) === false) {
+      rule.$$remove = true;
+    }
+    if ("selectors" in rule) {
+      rule.$$markedSelectors = rule.selectors;
+      rule.selectors = sel;
+    }
+    if (rule._other) {
+      rule._other.$$markedSelectors = rule._other.selectors;
+    }
+  };
+}
+function applyMarkedSelectors(rule) {
+  if (rule.$$markedSelectors) {
+    rule.selectors = rule.$$markedSelectors;
+  }
+  if (rule._other) {
+    applyMarkedSelectors(rule._other);
+  }
+}
+function walkStyleRules(node, iterator) {
+  if (!("nodes" in node)) {
+    return;
+  }
+  node.nodes = node.nodes?.filter((rule) => {
+    if (hasNestedRules(rule)) {
+      walkStyleRules(rule, iterator);
+    }
+    rule._other = void 0;
+    rule.filterSelectors = filterSelectors;
+    return iterator(rule) !== false;
+  });
+}
+function walkStyleRulesWithReverseMirror(node, node2, iterator) {
+  if (!node2)
+    return walkStyleRules(node, iterator);
+  [node.nodes, node2.nodes] = splitFilter(
+    node.nodes,
+    node2.nodes,
+    (rule, index, _rules, rules2) => {
+      const rule2 = rules2?.[index];
+      if (hasNestedRules(rule)) {
+        walkStyleRulesWithReverseMirror(rule, rule2, iterator);
+      }
+      rule._other = rule2;
+      rule.filterSelectors = filterSelectors;
+      return iterator(rule) !== false;
+    }
+  );
+}
+function hasNestedRules(rule) {
+  return "nodes" in rule && !!rule.nodes?.length && (!("name" in rule) || rule.name !== "keyframes" && rule.name !== "-webkit-keyframes") && rule.nodes.some((n) => n.type === "rule" || n.type === "atrule");
+}
+function splitFilter(a, b, predicate) {
+  const aOut = [];
+  const bOut = [];
+  for (let index = 0; index < a.length; index++) {
+    const item = a[index];
+    if (predicate(item, index, a, b)) {
+      aOut.push(item);
+    } else {
+      bOut.push(item);
+    }
+  }
+  return [aOut, bOut];
+}
+function filterSelectors(predicate) {
+  if (this._other) {
+    const [a, b] = splitFilter(
+      this.selectors,
+      this._other.selectors,
+      predicate
+    );
+    this.selectors = a;
+    this._other.selectors = b;
+  } else {
+    this.selectors = this.selectors.filter(predicate);
+  }
+}
+const MEDIA_TYPES = /* @__PURE__ */ new Set(["all", "print", "screen", "speech"]);
+const MEDIA_KEYWORDS = /* @__PURE__ */ new Set(["and", "not", ","]);
+const MEDIA_FEATURES = new Set(
+  [
+    "width",
+    "aspect-ratio",
+    "color",
+    "color-index",
+    "grid",
+    "height",
+    "monochrome",
+    "orientation",
+    "resolution",
+    "scan"
+  ].flatMap((feature) => [feature, `min-${feature}`, `max-${feature}`])
+);
+function validateMediaType(node) {
+  const { type: nodeType, value: nodeValue } = node;
+  if (nodeType === "media-type") {
+    return MEDIA_TYPES.has(nodeValue);
+  } else if (nodeType === "keyword") {
+    return MEDIA_KEYWORDS.has(nodeValue);
+  } else if (nodeType === "media-feature") {
+    return MEDIA_FEATURES.has(nodeValue);
+  }
+}
+function validateMediaQuery(query) {
+  const mediaParserFn = "default" in mediaParser ? mediaParser.default : mediaParser;
+  const mediaTree = mediaParserFn(query);
+  const nodeTypes = /* @__PURE__ */ new Set(["media-type", "keyword", "media-feature"]);
+  const stack = [mediaTree];
+  while (stack.length > 0) {
+    const node = stack.pop();
+    if (nodeTypes.has(node.type) && !validateMediaType(node)) {
+      return false;
+    }
+    if (node.nodes) {
+      stack.push(...node.nodes);
+    }
+  }
+  return true;
+}
+
+let classCache = null;
+let idCache = null;
+function buildCache(container) {
+  classCache = /* @__PURE__ */ new Set();
+  idCache = /* @__PURE__ */ new Set();
+  const queue = [container];
+  while (queue.length) {
+    const node = queue.shift();
+    if (node.hasAttribute?.("class")) {
+      const classList = node.getAttribute("class").trim().split(" ");
+      classList.forEach((cls) => {
+        classCache.add(cls);
+      });
+    }
+    if (node.hasAttribute?.("id")) {
+      const id = node.getAttribute("id").trim();
+      idCache.add(id);
+    }
+    if ("children" in node) {
+      queue.push(...node.children.filter((child) => child.type === "tag"));
+    }
+  }
+}
+function createDocument(html) {
+  const document = parseDocument(html, { decodeEntities: false });
+  extendDocument(document);
+  extendElement(Element.prototype);
+  let beastiesContainer = document.querySelector("[data-beasties-container]");
+  if (!beastiesContainer) {
+    document.documentElement?.setAttribute("data-beasties-container", "");
+    beastiesContainer = document.documentElement || document;
+  }
+  document.beastiesContainer = beastiesContainer;
+  buildCache(beastiesContainer);
+  return document;
+}
+function serializeDocument(document) {
+  return render(document, { decodeEntities: false });
+}
+let extended = false;
+function extendElement(element) {
+  if (extended) {
+    return;
+  }
+  extended = true;
+  Object.defineProperties(element, {
+    nodeName: {
+      get() {
+        return this.tagName.toUpperCase();
+      }
+    },
+    id: {
+      get() {
+        return this.getAttribute("id");
+      },
+      set(value) {
+        this.setAttribute("id", value);
+      }
+    },
+    className: {
+      get() {
+        return this.getAttribute("class");
+      },
+      set(value) {
+        this.setAttribute("class", value);
+      }
+    },
+    insertBefore: {
+      value(child, referenceNode) {
+        if (!referenceNode)
+          return this.appendChild(child);
+        DomUtils.prepend(referenceNode, child);
+        return child;
+      }
+    },
+    appendChild: {
+      value(child) {
+        DomUtils.appendChild(this, child);
+        return child;
+      }
+    },
+    removeChild: {
+      value(child) {
+        DomUtils.removeElement(child);
+      }
+    },
+    remove: {
+      value() {
+        DomUtils.removeElement(this);
+      }
+    },
+    textContent: {
+      get() {
+        return DomUtils.getText(this);
+      },
+      set(text) {
+        this.children = [];
+        DomUtils.appendChild(this, new Text(text));
+      }
+    },
+    setAttribute: {
+      value(name, value) {
+        if (this.attribs == null)
+          this.attribs = {};
+        if (value == null)
+          value = "";
+        this.attribs[name] = value;
+      }
+    },
+    removeAttribute: {
+      value(name) {
+        if (this.attribs != null) {
+          delete this.attribs[name];
+        }
+      }
+    },
+    getAttribute: {
+      value(name) {
+        return this.attribs != null && this.attribs[name];
+      }
+    },
+    hasAttribute: {
+      value(name) {
+        return this.attribs != null && this.attribs[name] != null;
+      }
+    },
+    getAttributeNode: {
+      value(name) {
+        const value = this.getAttribute(name);
+        if (value != null)
+          return { specified: true, value };
+      }
+    },
+    exists: {
+      value(sel) {
+        return cachedQuerySelector(sel, this);
+      }
+    },
+    querySelector: {
+      value(sel) {
+        return selectOne(sel, this);
+      }
+    },
+    querySelectorAll: {
+      value(sel) {
+        return selectAll(sel, this);
+      }
+    }
+  });
+}
+function extendDocument(document) {
+  Object.defineProperties(document, {
+    // document is just an Element in htmlparser2, giving it a nodeType of ELEMENT_NODE.
+    // TODO: verify if these are needed for css-select
+    nodeType: {
+      get() {
+        return 9;
+      }
+    },
+    contentType: {
+      get() {
+        return "text/html";
+      }
+    },
+    nodeName: {
+      get() {
+        return "#document";
+      }
+    },
+    documentElement: {
+      get() {
+        return this.children.find(
+          (child) => "tagName" in child && String(child.tagName).toLowerCase() === "html"
+        );
+      }
+    },
+    head: {
+      get() {
+        return this.querySelector("head");
+      }
+    },
+    body: {
+      get() {
+        return this.querySelector("body");
+      }
+    },
+    createElement: {
+      value(name) {
+        return new Element(name, {});
+      }
+    },
+    createTextNode: {
+      value(text) {
+        return new Text(text);
+      }
+    },
+    exists: {
+      value(sel) {
+        return cachedQuerySelector(sel, this);
+      }
+    },
+    querySelector: {
+      value(sel) {
+        return selectOne(sel, this);
+      }
+    },
+    querySelectorAll: {
+      value(sel) {
+        if (sel === ":root") {
+          return this;
+        }
+        return selectAll(sel, this);
+      }
+    }
+  });
+}
+const selectorTokensCache = /* @__PURE__ */ new Map();
+function cachedQuerySelector(sel, node) {
+  let selectorTokens = selectorTokensCache.get(sel);
+  if (selectorTokens === void 0) {
+    selectorTokens = parseRelevantSelectors(sel);
+    selectorTokensCache.set(sel, selectorTokens);
+  }
+  if (selectorTokens) {
+    for (const token of selectorTokens) {
+      if (token.name === "class") {
+        return classCache.has(token.value);
+      }
+      if (token.name === "id") {
+        return idCache.has(token.value);
+      }
+    }
+  }
+  return !!selectOne(sel, node);
+}
+function parseRelevantSelectors(sel) {
+  const tokens = parse$1(sel);
+  const relevantTokens = [];
+  for (let i = 0; i < tokens.length; i++) {
+    const tokenGroup = tokens[i];
+    if (tokenGroup?.length !== 1) {
+      continue;
+    }
+    const token = tokenGroup[0];
+    if (token?.type === "attribute" && (token.name === "class" || token.name === "id")) {
+      relevantTokens.push(token);
+    }
+  }
+  return relevantTokens.length > 0 ? relevantTokens : null;
+}
+
+const LOG_LEVELS = ["trace", "debug", "info", "warn", "error", "silent"];
+const defaultLogger = {
+  trace(msg) {
+    console.trace(msg);
+  },
+  debug(msg) {
+    console.debug(msg);
+  },
+  warn(msg) {
+    console.warn(pc.yellow(msg));
+  },
+  error(msg) {
+    console.error(pc.bold(pc.red(msg)));
+  },
+  info(msg) {
+    console.info(pc.bold(pc.blue(msg)));
+  },
+  silent() {
+  }
+};
+function createLogger(logLevel) {
+  const logLevelIdx = LOG_LEVELS.indexOf(logLevel);
+  return LOG_LEVELS.reduce((logger, type, index) => {
+    if (index >= logLevelIdx) {
+      logger[type] = defaultLogger[type];
+    } else {
+      logger[type] = defaultLogger.silent;
+    }
+    return logger;
+  }, {});
+}
+function isSubpath(basePath, currentPath) {
+  return !path.relative(basePath, currentPath).startsWith("..");
+}
+
+const removePseudoClassesAndElementsPattern = /(?<!\\)::?[a-z-]+(?:\(.+\))?/gi;
+const implicitUniversalPattern = /([>+~])\s*(?!\1)([>+~])/g;
+const emptyCombinatorPattern = /([>+~])\s*(?=\1|$)/g;
+const removeTrailingCommasPattern = /\(\s*,|,\s*\)/g;
+class Beasties {
+  #selectorCache = /* @__PURE__ */ new Map();
+  options;
+  logger;
+  fs;
+  constructor(options = {}) {
+    this.options = Object.assign({
+      logLevel: "info",
+      path: "",
+      publicPath: "",
+      reduceInlineStyles: true,
+      pruneSource: false,
+      additionalStylesheets: [],
+      allowRules: []
+    }, options);
+    this.logger = this.options.logger || createLogger(this.options.logLevel);
+  }
+  /**
+   * Read the contents of a file from the specified filesystem or disk
+   */
+  readFile(filename) {
+    const fs = this.fs;
+    return new Promise((resolve, reject) => {
+      const callback = (err, data) => {
+        if (err)
+          reject(err);
+        else resolve(data.toString());
+      };
+      if (fs && fs.readFile) {
+        fs.readFile(filename, callback);
+      } else {
+        readFile(filename, "utf-8", callback);
+      }
+    });
+  }
+  /**
+   * Write content to a file
+   */
+  writeFile(filename, data) {
+    const fs = this.fs;
+    return new Promise((resolve, reject) => {
+      const callback = (err) => {
+        if (err)
+          reject(err);
+        else resolve();
+      };
+      if (fs && fs.writeFile) {
+        fs.writeFile(filename, data, callback);
+      } else {
+        writeFile(filename, data, callback);
+      }
+    });
+  }
+  /**
+   * Apply critical CSS processing to the html
+   */
+  async process(html) {
+    const start = Date.now();
+    const document = createDocument(html);
+    if (this.options.additionalStylesheets.length > 0) {
+      await this.embedAdditionalStylesheet(document);
+    }
+    if (this.options.external !== false) {
+      const externalSheets = [...document.querySelectorAll('link[rel="stylesheet"]')];
+      await Promise.all(
+        externalSheets.map((link) => this.embedLinkedStylesheet(link, document))
+      );
+    }
+    const styles = this.getAffectedStyleTags(document);
+    for (const style of styles) {
+      this.processStyle(style, document);
+    }
+    if (this.options.mergeStylesheets !== false && styles.length !== 0) {
+      this.mergeStylesheets(document);
+    }
+    const output = serializeDocument(document);
+    const end = Date.now();
+    this.logger.info?.(`Time ${end - start}ms`);
+    return output;
+  }
+  /**
+   * Get the style tags that need processing
+   */
+  getAffectedStyleTags(document) {
+    const styles = [...document.querySelectorAll("style")];
+    if (this.options.reduceInlineStyles === false) {
+      return styles.filter((style) => style.$$external);
+    }
+    return styles;
+  }
+  mergeStylesheets(document) {
+    const styles = this.getAffectedStyleTags(document);
+    if (styles.length === 0) {
+      this.logger.warn?.(
+        "Merging inline stylesheets into a single <style> tag skipped, no inline stylesheets to merge"
+      );
+      return;
+    }
+    const first = styles[0];
+    let sheet = first.textContent;
+    for (let i = 1; i < styles.length; i++) {
+      const node = styles[i];
+      sheet += node.textContent;
+      node.remove();
+    }
+    first.textContent = sheet;
+  }
+  /**
+   * Given href, find the corresponding CSS asset
+   */
+  async getCssAsset(href, _style) {
+    const outputPath = this.options.path;
+    const publicPath = this.options.publicPath;
+    let normalizedPath = href.replace(/^\//, "");
+    const pathPrefix = `${(publicPath || "").replace(/(^\/|\/$)/g, "")}/`;
+    if (normalizedPath.startsWith(pathPrefix)) {
+      normalizedPath = normalizedPath.substring(pathPrefix.length).replace(/^\//, "");
+    }
+    if (/^https?:\/\//.test(normalizedPath) || href.startsWith("//")) {
+      return void 0;
+    }
+    const filename = path.resolve(outputPath, normalizedPath);
+    if (!isSubpath(outputPath, filename)) {
+      return void 0;
+    }
+    let sheet;
+    try {
+      sheet = await this.readFile(filename);
+    } catch {
+      this.logger.warn?.(`Unable to locate stylesheet: ${filename}`);
+    }
+    return sheet;
+  }
+  checkInlineThreshold(link, style, sheet) {
+    if (this.options.inlineThreshold && sheet.length < this.options.inlineThreshold) {
+      const href = style.$$name;
+      style.$$reduce = false;
+      this.logger.info?.(
+        `\x1B[32mInlined all of ${href} (${sheet.length} was below the threshold of ${this.options.inlineThreshold})\x1B[39m`
+      );
+      link.remove();
+      return true;
+    }
+    return false;
+  }
+  /**
+   * Inline the stylesheets from options.additionalStylesheets (assuming it passes `options.filter`)
+   */
+  async embedAdditionalStylesheet(document) {
+    const styleSheetsIncluded = [];
+    const sources = await Promise.all(
+      this.options.additionalStylesheets.map((cssFile) => {
+        if (styleSheetsIncluded.includes(cssFile)) {
+          return [];
+        }
+        styleSheetsIncluded.push(cssFile);
+        const style = document.createElement("style");
+        style.$$external = true;
+        return this.getCssAsset(cssFile, style).then((sheet) => [sheet, style]);
+      })
+    );
+    for (const [sheet, style] of sources) {
+      if (sheet) {
+        style.textContent = sheet;
+        document.head.appendChild(style);
+      }
+    }
+  }
+  /**
+   * Inline the target stylesheet referred to by a <link rel="stylesheet"> (assuming it passes `options.filter`)
+   */
+  async embedLinkedStylesheet(link, document) {
+    const href = link.getAttribute("href");
+    if (!href?.endsWith(".css")) {
+      return void 0;
+    }
+    const style = document.createElement("style");
+    style.$$external = true;
+    const sheet = await this.getCssAsset(href, style);
+    if (!sheet) {
+      return;
+    }
+    style.textContent = sheet;
+    style.$$name = href;
+    style.$$links = [link];
+    link.parentNode?.insertBefore(style, link);
+    if (this.checkInlineThreshold(link, style, sheet)) {
+      return;
+    }
+    let media = link.getAttribute("media");
+    if (media && !validateMediaQuery(media)) {
+      media = void 0;
+    }
+    const preloadMode = this.options.preload;
+    let cssLoaderPreamble = "function $loadcss(u,m,l){(l=document.createElement('link')).rel='stylesheet';l.href=u;document.head.appendChild(l)}";
+    const lazy = preloadMode === "js-lazy";
+    if (lazy) {
+      cssLoaderPreamble = cssLoaderPreamble.replace(
+        "l.href",
+        "l.media='print';l.onload=function(){l.media=m};l.href"
+      );
+    }
+    if (preloadMode === false)
+      return;
+    let noscriptFallback = false;
+    let updateLinkToPreload = false;
+    const noscriptLink = link.cloneNode(false);
+    if (preloadMode === "body") {
+      document.body.appendChild(link);
+    } else {
+      if (preloadMode === "js" || preloadMode === "js-lazy") {
+        const script = document.createElement("script");
+        script.setAttribute("data-href", href);
+        script.setAttribute("data-media", media || "all");
+        const js = `${cssLoaderPreamble}$loadcss(document.currentScript.dataset.href,document.currentScript.dataset.media)`;
+        script.textContent = js;
+        link.parentNode.insertBefore(script, link.nextSibling);
+        style.$$links.push(script);
+        cssLoaderPreamble = "";
+        noscriptFallback = true;
+        updateLinkToPreload = true;
+      } else if (preloadMode === "media") {
+        link.setAttribute("media", "print");
+        link.setAttribute("onload", `this.media='${media || "all"}'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap-high") {
+        link.setAttribute("rel", "alternate stylesheet preload");
+        link.setAttribute("title", "styles");
+        link.setAttribute("onload", `this.title='';this.rel='stylesheet'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap-low") {
+        link.setAttribute("rel", "alternate stylesheet");
+        link.setAttribute("title", "styles");
+        link.setAttribute("onload", `this.title='';this.rel='stylesheet'`);
+        noscriptFallback = true;
+      } else if (preloadMode === "swap") {
+        link.setAttribute("onload", "this.rel='stylesheet'");
+        updateLinkToPreload = true;
+        noscriptFallback = true;
+      } else {
+        const bodyLink = link.cloneNode(false);
+        bodyLink.removeAttribute("id");
+        document.body.appendChild(bodyLink);
+        style.$$links.push(bodyLink);
+        updateLinkToPreload = true;
+      }
+    }
+    if (this.options.noscriptFallback !== false && noscriptFallback && !href.includes("</noscript>")) {
+      const noscript = document.createElement("noscript");
+      noscriptLink.removeAttribute("id");
+      noscript.appendChild(noscriptLink);
+      link.parentNode.insertBefore(noscript, link.nextSibling);
+      style.$$links.push(noscript);
+    }
+    if (updateLinkToPreload) {
+      link.setAttribute("rel", "preload");
+      link.setAttribute("as", "style");
+    }
+  }
+  /**
+   * Prune the source CSS files
+   */
+  pruneSource(style, before, sheetInverse) {
+    const minSize = this.options.minimumExternalSize;
+    const name = style.$$name;
+    const shouldInline = minSize && sheetInverse.length < minSize;
+    if (shouldInline) {
+      this.logger.info?.(
+        `\x1B[32mInlined all of ${name} (non-critical external stylesheet would have been ${sheetInverse.length}b, which was below the threshold of ${minSize})\x1B[39m`
+      );
+    }
+    if (shouldInline || !sheetInverse) {
+      style.textContent = before;
+      if (style.$$links) {
+        for (const link of style.$$links) {
+          const parent = link.parentNode;
+          parent?.removeChild(link);
+        }
+      }
+    }
+    return !!shouldInline;
+  }
+  /**
+   * Parse the stylesheet within a <style> element, then reduce it to contain only rules used by the document.
+   */
+  processStyle(style, document) {
+    if (style.$$reduce === false)
+      return;
+    const name = style.$$name ? style.$$name.replace(/^\//, "") : "inline CSS";
+    const options = this.options;
+    const beastiesContainer = document.beastiesContainer;
+    let keyframesMode = options.keyframes ?? "critical";
+    if (keyframesMode === true)
+      keyframesMode = "all";
+    if (keyframesMode === false)
+      keyframesMode = "none";
+    let sheet = style.textContent;
+    const before = sheet;
+    if (!sheet)
+      return;
+    const ast = parseStylesheet(sheet);
+    const astInverse = options.pruneSource ? parseStylesheet(sheet) : null;
+    let criticalFonts = "";
+    const failedSelectors = [];
+    const criticalKeyframeNames = /* @__PURE__ */ new Set();
+    let includeNext = false;
+    let includeAll = false;
+    let excludeNext = false;
+    let excludeAll = false;
+    const shouldPreloadFonts = options.fonts === true || options.preloadFonts === true;
+    const shouldInlineFonts = options.fonts !== false && options.inlineFonts === true;
+    walkStyleRules(
+      ast,
+      markOnly((rule) => {
+        if (rule.type === "comment") {
+          const beastiesComment = rule.text.match(/^(?<!! )beasties:(.*)/);
+          const command = beastiesComment && beastiesComment[1];
+          if (command) {
+            switch (command) {
+              case "include":
+                includeNext = true;
+                break;
+              case "exclude":
+                excludeNext = true;
+                break;
+              case "include start":
+                includeAll = true;
+                break;
+              case "include end":
+                includeAll = false;
+                break;
+              case "exclude start":
+                excludeAll = true;
+                break;
+              case "exclude end":
+                excludeAll = false;
+                break;
+            }
+          }
+        }
+        if (rule.type === "rule") {
+          if (includeNext) {
+            includeNext = false;
+            return true;
+          }
+          if (excludeNext) {
+            excludeNext = false;
+            return false;
+          }
+          if (includeAll) {
+            return true;
+          }
+          if (excludeAll) {
+            return false;
+          }
+          rule.filterSelectors?.((sel) => {
+            const isAllowedRule = options.allowRules.some((exp) => {
+              if (exp instanceof RegExp) {
+                return exp.test(sel);
+              }
+              return exp === sel;
+            });
+            if (isAllowedRule)
+              return true;
+            if (sel === ":root" || sel === "html" || sel === "body" || sel[0] === ":" && /^::?(?:before|after)$/.test(sel)) {
+              return true;
+            }
+            sel = this.normalizeCssSelector(sel);
+            if (!sel)
+              return false;
+            try {
+              return beastiesContainer.exists(sel);
+            } catch (e) {
+              failedSelectors.push(`${sel} -> ${e.message || e.toString()}`);
+              return false;
+            }
+          });
+          if (!rule.selector) {
+            return false;
+          }
+          if (rule.nodes) {
+            for (const decl of rule.nodes) {
+              if (!("prop" in decl)) {
+                continue;
+              }
+              if (shouldInlineFonts && /\bfont(?:-family)?\b/i.test(decl.prop)) {
+                criticalFonts += ` ${decl.value}`;
+              }
+              if (decl.prop === "animation" || decl.prop === "animation-name") {
+                for (const name2 of decl.value.split(/\s+/)) {
+                  const nameTrimmed = name2.trim();
+                  if (nameTrimmed)
+                    criticalKeyframeNames.add(nameTrimmed);
+                }
+              }
+            }
+          }
+        }
+        if (rule.type === "atrule" && (rule.name === "font-face" || rule.name === "layer"))
+          return;
+        const hasRemainingRules = ("nodes" in rule && rule.nodes?.some((rule2) => !rule2.$$remove)) ?? true;
+        return hasRemainingRules;
+      })
+    );
+    if (failedSelectors.length !== 0) {
+      this.logger.warn?.(
+        `${failedSelectors.length} rules skipped due to selector errors:
+  ${failedSelectors.join("\n  ")}`
+      );
+    }
+    const preloadedFonts = /* @__PURE__ */ new Set();
+    walkStyleRulesWithReverseMirror(ast, astInverse, (rule) => {
+      if (rule.$$remove === true)
+        return false;
+      if ("selectors" in rule) {
+        applyMarkedSelectors(rule);
+      }
+      if (rule.type === "atrule" && rule.name === "keyframes") {
+        if (keyframesMode === "none")
+          return false;
+        if (keyframesMode === "all")
+          return true;
+        return criticalKeyframeNames.has(rule.params);
+      }
+      if (rule.type === "atrule" && rule.name === "font-face") {
+        let family, src;
+        if (rule.nodes) {
+          for (const decl of rule.nodes) {
+            if (!("prop" in decl)) {
+              continue;
+            }
+            if (decl.prop === "src") {
+              src = (decl.value.match(/url\s*\(\s*(['"]?)(.+?)\1\s*\)/) || [])[2];
+            } else if (decl.prop === "font-family") {
+              family = decl.value;
+            }
+          }
+          if (src && shouldPreloadFonts && !preloadedFonts.has(src)) {
+            preloadedFonts.add(src);
+            const preload = document.createElement("link");
+            preload.setAttribute("rel", "preload");
+            preload.setAttribute("as", "font");
+            preload.setAttribute("crossorigin", "anonymous");
+            preload.setAttribute("href", src.trim());
+            document.head.appendChild(preload);
+          }
+        }
+        if (!shouldInlineFonts || !family || !src || !criticalFonts.includes(family)) {
+          return false;
+        }
+      }
+    });
+    sheet = serializeStylesheet(ast, {
+      compress: this.options.compress !== false
+    });
+    if (sheet.trim().length === 0) {
+      if (style.parentNode) {
+        style.remove();
+      }
+      return;
+    }
+    let afterText = "";
+    let styleInlinedCompletely = false;
+    if (options.pruneSource) {
+      const sheetInverse = serializeStylesheet(astInverse, {
+        compress: this.options.compress !== false
+      });
+      styleInlinedCompletely = this.pruneSource(style, before, sheetInverse);
+      if (styleInlinedCompletely) {
+        const percent2 = sheetInverse.length / before.length * 100;
+        afterText = `, reducing non-inlined size ${percent2 | 0}% to ${formatSize(sheetInverse.length)}`;
+      }
+      const cssFilePath = path.resolve(this.options.path, name);
+      this.writeFile(cssFilePath, sheetInverse).then(() => this.logger.info?.(`${name} was successfully updated`)).catch((err) => this.logger.error?.(err));
+    }
+    if (!styleInlinedCompletely) {
+      style.textContent = sheet;
+    }
+    const percent = sheet.length / before.length * 100 | 0;
+    this.logger.info?.(
+      `\x1B[32mInlined ${formatSize(sheet.length)} (${percent}% of original ${formatSize(before.length)}) of ${name}${afterText}.\x1B[39m`
+    );
+  }
+  normalizeCssSelector(sel) {
+    let normalizedSelector = this.#selectorCache.get(sel);
+    if (normalizedSelector !== void 0) {
+      return normalizedSelector;
+    }
+    normalizedSelector = sel.replace(removePseudoClassesAndElementsPattern, "").replace(removeTrailingCommasPattern, (match) => match.includes("(") ? "(" : ")").replace(implicitUniversalPattern, "$1 * $2").replace(emptyCombinatorPattern, "$1 *").trim();
+    this.#selectorCache.set(sel, normalizedSelector);
+    return normalizedSelector;
+  }
+}
+function formatSize(size) {
+  if (size <= 0) {
+    return "0 bytes";
+  }
+  const abbreviations = ["bytes", "kB", "MB", "GB"];
+  const index = Math.floor(Math.log(size) / Math.log(1024));
+  const roundedSize = size / 1024 ** index;
+  const fractionDigits = index === 0 ? 0 : 2;
+  return `${roundedSize.toFixed(fractionDigits)} ${abbreviations[index]}`;
+}
+
+export { Beasties as default };

node_modules/beasties/package.json

@@ -0,0 +1,67 @@
+{
+  "name": "beasties",
+  "version": "0.3.5",
+  "description": "Inline critical CSS and lazy-load the rest.",
+  "author": "The Chromium Authors",
+  "contributors": [
+    {
+      "name": "Jason Miller",
+      "email": "developit@google.com"
+    },
+    {
+      "name": "Janicklas Ralph",
+      "email": "janicklas@google.com"
+    }
+  ],
+  "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/danielroe/beasties",
+    "directory": "packages/beasties"
+  },
+  "keywords": [
+    "critical css",
+    "inline css",
+    "critical",
+    "beasties",
+    "webpack plugin",
+    "performance"
+  ],
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs",
+      "default": "./dist/index.mjs"
+    }
+  },
+  "main": "dist/index.cjs",
+  "module": "dist/index.mjs",
+  "types": "./dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "engines": {
+    "node": ">=14.0.0"
+  },
+  "dependencies": {
+    "css-select": "^6.0.0",
+    "css-what": "^7.0.0",
+    "dom-serializer": "^2.0.0",
+    "domhandler": "^5.0.3",
+    "htmlparser2": "^10.0.0",
+    "picocolors": "^1.1.1",
+    "postcss": "^8.4.49",
+    "postcss-media-query-parser": "^0.2.3"
+  },
+  "devDependencies": {
+    "@types/postcss-media-query-parser": "0.2.4",
+    "documentation": "14.0.3",
+    "unbuild": "3.5.0"
+  },
+  "scripts": {
+    "build": "unbuild && node -e \"require('fs/promises').cp('src/index.d.ts', 'dist/index.d.ts')\"",
+    "build:stub": "unbuild --stub && node -e \"require('fs/promises').cp('src/index.d.ts', 'dist/index.d.ts')\"",
+    "docs": "documentation readme src -q --no-markdown-toc -a public -s Usage --sort-order alpha"
+  }
+}