vite-plugin-react-server/dist/plugin/loader/createBuildLoader.js

Vite plugin for React Server Components (RSC)

/**
 * vite-plugin-react-server
 * Copyright (c) Nico Brinkkemper
 * MIT License
 */
import { join } from 'node:path';
import { createInputNormalizer } from '../helpers/inputNormalizer.js';

function createBuildLoader({
  root,
  userConfig: _userConfig,
  userOptions,
  pluginContext: _pluginContext,
  serverManifest,
  clientManifest
}) {
  const normalizer = createInputNormalizer({
    root,
    preserveModulesRoot: userOptions.build.preserveModulesRoot === true ? userOptions.moduleBase : undefined,
    removeExtension: true
  });
  return async function buildLoader(id) {
    const [key, value] = normalizer(id);
    if (value !== id) {
      console.warn(`[vite-plugin-react-server] Mismatch in build loader for ${id} !== ${value} (${key})`);
    }
    const distDir = userOptions.build.outDir;
    const manifests = [clientManifest, serverManifest];
    for (const n of [0, 1]) {
      const manifest = manifests[n];
      const manifestEntry = manifest[value];
      if (!manifestEntry) {
        continue;
      }
      const isClient = userOptions.autoDiscover.clientComponents(id);
      const isServer = userOptions.autoDiscover.serverFunctions(id);
      const outDir = isClient ? userOptions.build.client : isServer ? userOptions.build.server : n === 0 ? userOptions.build.client : userOptions.build.server;
      if (manifestEntry.file.startsWith(`${root}/${distDir}/${outDir}/`)) {
        return import(manifestEntry.file);
      }
      if (manifestEntry.file.startsWith(`${distDir}/`)) {
        return import(join(root, manifestEntry.file));
      }
      if (manifestEntry.file.startsWith(`${outDir}/`)) {
        return import(join(root, distDir, outDir, manifestEntry.file));
      }
      return import(join(root, distDir, outDir, manifestEntry.file));
    }
    throw new Error(`Module not found: ${id}`);
  };
}

export { createBuildLoader };
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