one/dist/esm/vite/plugins/criticalCSSPlugin.mjs

One is a new React Framework that makes Vite serve both native and web.

import { relative } from "node:path";
import { normalizePath } from "vite";
const INLINE_CSS_RE = /\.inline\.css$/;
const criticalCSSSources = /* @__PURE__ */new Set();
let root = "";
function getCriticalCSSSources() {
  return criticalCSSSources;
}
function getCriticalCSSOutputPaths(clientManifest) {
  const outputPaths = /* @__PURE__ */new Set();
  for (const [sourceKey, entry] of Object.entries(clientManifest)) {
    if (sourceKey.endsWith(".css") && criticalCSSSources.has(sourceKey)) {
      outputPaths.add(`/${entry.file}`);
    }
  }
  return outputPaths;
}
function criticalCSSPlugin() {
  return {
    name: "one:critical-css",
    enforce: "pre",
    configResolved(config) {
      root = config.root;
    },
    resolveId: {
      filter: {
        id: INLINE_CSS_RE
      },
      async handler(id, importer) {
        const resolved = await this.resolve(id, importer, {
          skipSelf: true
        });
        if (resolved) {
          const relativePath = normalizePath(relative(root, resolved.id));
          criticalCSSSources.add(relativePath);
          return resolved;
        }
        return null;
      }
    }
  };
}
export { criticalCSSPlugin, getCriticalCSSOutputPaths, getCriticalCSSSources };
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