nimiq-vitepress-theme/dist/code-groups/vite.mjs

Nimiq UI theme for VitePress

import { createFilter } from "vite";
import { generateCSS } from "./codegen.mjs";
const filter = createFilter([/\.md$/, /\.md\?vue/, /\.md\?v=/]);
export function groupIconVitePlugin() {
  const virtualCssId = "virtual:group-icons.css";
  const resolvedVirtualCssId = `\0${virtualCssId}`;
  const combinedRegex = /```(\S+)(?:\s+\[(?:[^\]]*\.)?([^\]]+)\])?/g;
  const matches = /* @__PURE__ */ new Set();
  let oldMatches = /* @__PURE__ */ new Set();
  let server;
  function handleUpdateModule() {
    const mod = server?.moduleGraph.getModuleById(resolvedVirtualCssId);
    if (mod) {
      server.moduleGraph.invalidateModule(mod);
      server.reloadModule(mod);
    }
  }
  return {
    name: "vitepress-forked-plugin-group-icons",
    resolveId(id) {
      if (id === virtualCssId)
        return resolvedVirtualCssId;
    },
    configureServer(_server) {
      server = _server;
    },
    async load(id) {
      if (id === resolvedVirtualCssId) {
        const { css } = await generateCSS(matches);
        oldMatches = new Set(matches);
        return css;
      }
    },
    transform(code, id) {
      if (!filter(id))
        return;
      while (true) {
        const match = combinedRegex.exec(code);
        if (!match)
          break;
        matches.add(match[1]);
        if (match[2]) {
          matches.add(match[2]);
        }
      }
      if (!isSetEqual(matches, oldMatches))
        handleUpdateModule();
    }
  };
}
function isSetEqual(set1, set2) {
  if (set1.size !== set2.size)
    return false;
  for (const item of set1) {
    if (!set2.has(item))
      return false;
  }
  return true;
}