@extra/proxy-router/dist/utils/port.js

A plugin for playwright & puppeteer to route proxies dynamically.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const net_1 = __importDefault(require("net"));
const isAvailable = (options) => new Promise((resolve, reject) => {
    const server = net_1.default.createServer();
    server.unref();
    server.on('error', reject);
    server.listen(options, () => {
        const { port } = server.address();
        server.close(() => {
            resolve(port);
        });
    });
});
const getPort = (options) => {
    options = Object.assign({}, options);
    if (typeof options.port === 'number') {
        options.port = [options.port];
    }
    return (options.port || []).reduce((seq, port) => seq.catch(() => isAvailable(Object.assign({}, options, { port }))), Promise.reject());
};
exports.default = (options) => options
    ? getPort(options).catch(() => getPort(Object.assign(options, { port: 0 })))
    : getPort({ port: 0 });
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