vite-plugin-purgecss-updated-v5/dist/index.js

Updated vite plugin for removing unused CSS from generated bundles with PurgeCSS for Vite 5 peerDependencies.

// src/index.ts
import { extname } from "path";
import { PurgeCSS } from "purgecss";
var cssRegExp = /^.*(\.module)?\.css(\?.*)?$/i;
function purgeCssPlugin(opts) {
  return {
    name: "vite-plugin-purgecss",
    enforce: "post",
    async generateBundle(_, bundle) {
      let content = [];
      let css = [];
      if (opts != null) {
        const { content: optsContent, css: optsCss, ...rest } = opts;
        content = optsContent ?? content;
        css = optsCss ?? css;
        opts = rest;
      }
      const outputs = {};
      for (const id in bundle) {
        const file = bundle[id];
        const isChunk = file.type === "chunk";
        if (isChunk || !cssRegExp.test(file.fileName)) {
          content.push({
            extension: extname(file.fileName).slice(1),
            raw: isChunk ? file.code : sourceString(file.source)
          });
          continue;
        }
        css.push({ name: id, raw: sourceString(file.source) });
        outputs[id] = file;
      }
      const results = await new PurgeCSS().purge({
        ...opts,
        content,
        css
      });
      for (const result of results) {
        outputs[result.file].source = result.css;
      }
    }
  };
}
function sourceString(source) {
  if (typeof source === "string") {
    return source;
  }
  return new TextDecoder().decode(source);
}
var index_default = purgeCssPlugin;
export {
  cssRegExp,
  index_default as default,
  sourceString
};