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cli.js
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cli.js
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#!/usr/bin/env node
'use strict';
const yargs = require('yargs');
const readline = require('readline');
const Cli = require('../lib/cli/cli');
let rl = null;
const args = yargs
.option('verbose', {
alias: 'v',
type: 'count',
describe: 'Verbosely print incoming and outgoing messages',
})
.option('no-reconnect', {
alias: 'R',
type: 'boolean',
describe: 'Disable reconnection',
})
.option('heartbeat-interval', {
alias: 'i',
requiresArg: true,
type: 'number',
describe: 'Heartbeat interval in milliseconds',
})
.strict().argv;
const log = msg => {
const userInput = rl.line;
if (userInput) rl.clearLine();
rl.output.write(msg);
rl.write('\n');
if (userInput) rl.write(userInput);
};
const finish = () => {
rl.close();
process.exit();
};
const cli = new Cli(log, args);
cli.on('exit', () => finish());
rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
completer: cli.completer.bind(cli),
});
const prompt = rl.prompt.bind(rl);
rl.on('line', line => {
cli.processLine(line, prompt);
});
rl.on('close', () => finish());
rl.on('SIGINT', () => finish());
rl.prompt(true);