vite-plugin-react-server/dist/plugin/worker/registerLoaders.js

Vite plugin for React Server Components (RSC)

import { register } from "node:module";
import { pathToFileURL } from "node:url";
import { readFileSync } from "node:fs";
export function registerLoaders(loaders) {
    for (const { path, port, importMap } of loaders) {
        const loaderURL = pathToFileURL(path);
        // If import map is provided, register it first
        if (importMap) {
            try {
                const importMapContent = readFileSync(importMap, 'utf-8');
                const { imports } = JSON.parse(importMapContent);
                register(loaderURL, {
                    parentURL: import.meta.url,
                    data: {
                        port,
                        resolve: (specifier, context, nextResolve) => {
                            if (Object.hasOwn(imports, specifier)) {
                                return nextResolve?.(imports[specifier], context);
                            }
                            return nextResolve?.(specifier, context);
                        }
                    },
                    transferList: [port]
                });
            }
            catch (error) {
                console.error(`Failed to load import map from ${importMap}:`, error);
                // Fallback to basic registration if import map fails
                register(loaderURL, {
                    parentURL: import.meta.url,
                    data: { port },
                    transferList: [port]
                });
            }
        }
        else {
            // Basic registration without import map
            register(loaderURL, {
                parentURL: import.meta.url,
                data: { port },
                transferList: [port]
            });
        }
    }
}