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proxy.js
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proxy.js
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const http = require('http');
const httpProxy = require('http-proxy');
const proxy = httpProxy.createProxyServer({});
const ports = {
proxy: parseInt(process.env.npm_package_config_ports_proxy, 10),
jekyll: parseInt(process.env.npm_package_config_ports_gatsby, 10),
webpack: parseInt(process.env.npm_package_config_ports_webpack, 10),
};
const server = http.createServer((req, res) => {
if (/\/\d+\.\d+\.\d+/.test(req.url)) {
const target = `http://localhost:${ports.webpack}/${req.url
.split('/')
.pop()}`;
proxy.web(req, res, {
ignorePath: true,
target,
});
} else {
proxy.web(req, res, { ignorePath: false, target: { port: ports.jekyll } });
}
});
server.on('upgrade', (req, socket, head) => {
proxy.ws(req, socket, head);
});
proxy.on('error', e => {
console.error(e);
});
console.log('Proxy listening on ' + ports.proxy);
server.listen(ports.proxy);