80 lines
1.8 KiB
JavaScript
80 lines
1.8 KiB
JavaScript
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#!/usr/bin/env node
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'use strict';
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const pkg = require('../package');
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const args = process.argv.slice(2);
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let arg_0 = args[0];
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if (arg_0 && [ '-v', '--version' ].includes(arg_0.toLowerCase())) {
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console.log(pkg.version);
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process.exit(0);
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}
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const removeByValue = (arr, val) => {
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for (let i = 0; i < arr.length; i++) {
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if (arr[i] === val) {
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arr.splice(i, 1);
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break;
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}
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}
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};
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const main = require('..');
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const port = parseInt(arg_0, 10);
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const isVerbose = args.includes('--verbose');
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removeByValue(args, '--verbose');
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arg_0 = args[0];
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if (!arg_0) {
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const random = Math.floor(9000 + Math.random() * (65535 - 9000));
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main(random, (err, port) => {
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if (isVerbose) {
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if (err) {
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console.log(`get available port failed with ${err}`);
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}
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console.log(`get available port ${port} randomly`);
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} else {
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console.log(port || random);
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}
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});
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} else if (isNaN(port)) {
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console.log();
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console.log(` \u001b[37m${pkg.description}\u001b[0m`);
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console.log();
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console.log(' Usage:');
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console.log();
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console.log(` ${pkg.name} [port]`);
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console.log();
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console.log(' Options:');
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console.log();
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console.log(' -v, --version output version and exit');
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console.log(' -h, --help output usage information');
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console.log(' --verbose output verbose log');
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console.log();
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console.log(' Further help:');
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console.log();
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console.log(` ${pkg.homepage}`);
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console.log();
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} else {
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main(port, (err, _port) => {
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if (isVerbose) {
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if (err) {
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console.log(`get available port failed with ${err}`);
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}
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if (port !== _port) {
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console.log(`port ${port} was occupied`);
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}
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console.log(`get available port ${_port}`);
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} else {
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console.log(_port || port);
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}
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});
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}
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