@angular-devkit/build-angular
Version:
Angular Webpack Build Facade
71 lines • 6.65 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkPort = void 0;
const net = __importStar(require("net"));
const tty_1 = require("./tty");
function createInUseError(port) {
return new Error(`Port ${port} is already in use. Use '--port' to specify a different port.`);
}
async function checkPort(port, host) {
if (port === 0) {
return 0;
}
return new Promise((resolve, reject) => {
const server = net.createServer();
server
.once('error', (err) => {
if (err.code !== 'EADDRINUSE') {
reject(err);
return;
}
if (!tty_1.isTTY) {
reject(createInUseError(port));
return;
}
Promise.resolve().then(() => __importStar(require('inquirer'))).then(({ prompt }) => prompt({
type: 'confirm',
name: 'useDifferent',
message: `Port ${port} is already in use.\nWould you like to use a different port?`,
default: true,
}))
.then((answers) => (answers.useDifferent ? resolve(0) : reject(createInUseError(port))), () => reject(createInUseError(port)));
})
.once('listening', () => {
server.close();
resolve(port);
})
.listen(port, host);
});
}
exports.checkPort = checkPort;
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