@nxextensions/firebase-cypress/src/utils/kill-port.js

An NX Plugin for Firebase Applications that would like to use emulators for E2E testing with Cypress

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.killPort = killPort;
const tslib_1 = require("tslib");
const shell_exec_1 = tslib_1.__importDefault(require("shell-exec"));
function killPort(port, method = 'tcp') {
    port = Number.parseInt(String(port));
    if (!port || isNaN(port)) {
        return Promise.reject(new Error('Invalid port number received'));
    }
    if (process.platform === 'win32') {
        return (0, shell_exec_1.default)('netstat -ano')
            .then((res) => {
            const { stdout } = res;
            if (!stdout)
                return res;
            const lines = stdout.split('\n');
            const lineWithLocalPortRegex = new RegExp(`^ *${method.toLocaleUpperCase()} *[^ ]*:${port}`, 'gm');
            const linesWithLocalPort = lines.filter((line) => line.match(lineWithLocalPortRegex));
            const pids = linesWithLocalPort.reduce((acc, line) => {
                const match = line.match(/(\d*)\w*(\n|$)/gm);
                return match && match[0] && !acc.includes(match[0])
                    ? acc.concat(match[0])
                    : acc;
            }, []);
            return (0, shell_exec_1.default)(`TaskKill /F /PID ${pids.join(' /PID ')}`);
        })
            .then();
    }
    return (0, shell_exec_1.default)('lsof -i -P')
        .then((res) => {
        const { stdout } = res;
        if (!stdout)
            return res;
        const lines = stdout.split('\n');
        const existProcess = lines.filter((line) => line.match(new RegExp(`:*${port}`)))
            .length > 0;
        if (!existProcess)
            return Promise.reject(new Error('No process running on port'));
        return (0, shell_exec_1.default)(`lsof -i ${method === 'udp' ? 'udp' : 'tcp'}:${port} | grep ${method === 'udp' ? 'UDP' : 'LISTEN'} | awk '{print $2}' | xargs kill -9`);
    })
        .then();
}
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