46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
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import { createProxyMiddleware } from './index.js';
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import { getLogger } from './logger.js';
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/**
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* Creates a Hono middleware that proxies requests using http-proxy-middleware.
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*
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* @remarks
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* This middleware requires Hono to be running on Node.js via `@hono/node-server`.
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* It uses `c.env.incoming` and `c.env.outgoing` which are only available with `HttpBindings`.
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*
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* @experimental This API is experimental and may change without a major version bump.
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*
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* @example
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* ```ts
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* import { serve } from '@hono/node-server';
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* import { Hono } from 'hono';
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* import { createHonoProxyMiddleware } from 'http-proxy-middleware/hono';
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*
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* const app = new Hono();
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* app.use('/api', createHonoProxyMiddleware({ target: 'http://example.com', changeOrigin: true }));
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* serve(app);
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* ```
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*
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* @since 4.0.0
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*/
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export function createHonoProxyMiddleware(options) {
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const proxy = createProxyMiddleware(options);
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const logger = getLogger(options);
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return (c, next) => {
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return new Promise((resolve, reject) => {
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proxy(c.env.incoming, c.env.outgoing, (err) => {
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if (err) {
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reject(err);
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}
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else {
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resolve();
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}
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});
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})
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.then(() => next())
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.catch((err) => {
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logger.error('Proxy error:', err);
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return c.text('Proxy Error', 500);
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});
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};
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}
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