nuxt-proxy/dist/module.mjs

Http-proxy middleware for Nuxt 3.

import { fileURLToPath } from 'node:url';
import { defu } from 'defu';
import { defineNuxtModule, createResolver, addServerHandler } from '@nuxt/kit';
import { hash, objectHash } from 'ohash';

const module = defineNuxtModule({
  meta: {
    name: "nuxt-proxy",
    configKey: "proxy",
    version: "^3.1.0"
  },
  defaults: {
    options: []
  },
  setup(options, nuxt) {
    const { resolve } = createResolver(import.meta.url);
    const runtimeDir = fileURLToPath(new URL("./runtime", import.meta.url));
    nuxt.options.build.transpile.push(runtimeDir, /#http-proxy/);
    const finalConfig = nuxt.options.runtimeConfig.proxy = defu(nuxt.options.runtimeConfig.proxy, {
      options: options.options
    });
    function createProxyMiddleware(options2, index) {
      return `
        import { createProxyMiddleware } from ${JSON.stringify(resolve(runtimeDir, "./middleware.mjs"))}
        import { defu } from 'defu'
        import { useRuntimeConfig } from '#imports'
    
        const buildtimeOptions = ${JSON.stringify(options2)}
        const runtimeOptions = [].concat(useRuntimeConfig().proxy?.options)[${JSON.stringify(index)} ?? 0]
    
        export default createProxyMiddleware(defu(runtimeOptions, buildtimeOptions))
      `;
    }
    nuxt.hook("nitro:config", (nitroConfig) => {
      nitroConfig.virtual = nitroConfig.virtual || {};
      if (Array.isArray(finalConfig.options)) {
        finalConfig.options.forEach((options2, index) => {
          const handler = `#http-proxy/${hash(objectHash(options2))}.mjs`;
          nitroConfig.virtual[handler] = createProxyMiddleware(options2, index);
          addServerHandler({
            handler,
            middleware: true
          });
        });
      } else {
        const handler = `#http-proxy/${hash(objectHash(finalConfig.options))}.mjs`;
        nitroConfig.virtual[handler] = createProxyMiddleware(finalConfig.options);
        addServerHandler({
          handler,
          middleware: true
        });
      }
    });
  }
});

export { module as default };