firmament-yargs
Version:
Typescript classes for building CLI node applications
191 lines • 7.91 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
const inversify_1 = require("inversify");
const child_process_1 = require('child_process');
const force_error_impl_1 = require("./force-error-impl");
const readlineSync = require('readline-sync');
const inpathSync = require('inpath').sync;
const pidof = require('pidof');
const psTree = require('ps-tree');
let SpawnImpl = class SpawnImpl extends force_error_impl_1.ForceErrorImpl {
constructor(_commandUtil) {
super();
this.commandUtil = _commandUtil;
}
spawnShellCommandPipelineAsync(cmdArray, options, cbStatusOrFinal, cbFinal) {
let lclCmdArray = cmdArray.slice(0);
let cmd = lclCmdArray.pop().slice(0);
let childProcess = this.spawnShellCommandAsync(cmd, options, cbStatusOrFinal, cbFinal);
let proc = childProcess;
while (cmd = lclCmdArray.pop()) {
cmd = cmd.slice(0);
let prevStdin = proc.stdin;
proc = this.spawnShellCommandAsync(cmd);
proc.stdout.pipe(prevStdin);
}
return childProcess;
}
sudoSpawnPipelineAsync(cmdArray, options, cbStatusOrFinal, cbFinal) {
return undefined;
}
spawnShellCommandAsync(cmd, options = null, cbStatusOrFinal = null, cbFinal = null) {
let me = this;
let childProcess;
if (typeof cbFinal !== 'function') {
if (typeof cbStatusOrFinal !== 'function') {
cbFinal = cbStatusOrFinal = null;
}
else {
cbFinal = cbStatusOrFinal;
cbStatusOrFinal = null;
}
}
else {
if (typeof cbStatusOrFinal !== 'function') {
cbStatusOrFinal = null;
}
}
if (me.checkForceError('spawnShellCommandAsync', cbFinal)) {
return;
}
try {
cmd = cmd || [];
cmd = cmd.slice(0);
options = options || {};
options.preSpawnMessage = options.preSpawnMessage || '';
options.postSpawnMessage = options.postSpawnMessage || '';
options.showDiagnostics = options.showDiagnostics || false;
options.suppressOutput = options.suppressOutput || false;
options.stdio = options.stdio || 'pipe';
options.cwd = options.cwd || process.cwd();
if (options.showDiagnostics) {
me.commandUtil.log(`Running '${cmd}' @ '${options.cwd}'`);
}
if (options.preSpawnMessage && cbStatusOrFinal) {
cbStatusOrFinal(null, options.preSpawnMessage);
}
let command = cmd.shift();
let result = '';
childProcess = child_process_1.spawn(command, cmd, options);
if (cbFinal) {
childProcess.stdout.on('data', function (data) {
result += data.toString();
if (cbStatusOrFinal && !options.suppressOutput) {
cbStatusOrFinal(null, data.toString());
}
});
childProcess.on('exit', function (code, signal) {
if (options.postSpawnMessage && cbStatusOrFinal) {
cbStatusOrFinal(null, options.postSpawnMessage);
cbStatusOrFinal = null;
}
cbFinal = me.childCloseOrExit(code, signal, result, cbFinal);
});
childProcess.on('close', function (code, signal) {
if (options.postSpawnMessage && cbStatusOrFinal) {
cbStatusOrFinal(null, options.postSpawnMessage);
cbStatusOrFinal = null;
}
cbFinal = me.childCloseOrExit(code, signal, result, cbFinal);
});
childProcess.on('error', function (code) {
if (cbFinal) {
cbFinal(new Error(`spawn error: exit code ${code.code}`), null);
cbFinal = null;
}
});
}
}
catch (err) {
cbFinal(err, null);
}
return childProcess;
}
childCloseOrExit(code, signal, result, cbFinal) {
if (cbFinal) {
if (code !== null) {
if (code !== 0) {
cbFinal(new Error(`spawn error: exit code ${code}`), result);
}
else {
cbFinal(null, result);
}
}
else {
cbFinal(new Error(`child process received signal: ${signal}`), result);
}
cbFinal = null;
}
return cbFinal;
}
sudoSpawnAsync(cmd, options = null, cbStatusOrFinal = null, cbFinal = null) {
let me = this;
let prompt = '#node-sudo-passwd#';
let prompts = 0;
let args = ['-S', '-p', prompt];
cmd = cmd || [];
cmd = cmd.slice(0);
[].push.apply(args, cmd);
let path = process.env['PATH'].split(':');
let sudoBin = inpathSync('sudo', path);
args.unshift(sudoBin);
let child = me.spawnShellCommandAsync(args, options, cbStatusOrFinal, cbFinal);
if (!child) {
return;
}
function waitForStartup(err, children) {
if (err) {
throw new Error(`Error spawning process`);
}
if (children && children.length) {
child.stderr.removeAllListeners();
}
else {
setTimeout(function () {
psTree(child.pid, waitForStartup);
}, 100);
}
}
psTree(child.pid, waitForStartup);
child.stderr.on('data', function (data) {
let lines = data.toString().trim().split('\n');
lines.forEach(function (line) {
if (line === prompt) {
if (++prompts > 1) {
me.cachedPassword = null;
}
let username = require('username').sync();
let loginMessage = (prompts > 1)
? `Sorry, try again.\n[sudo] password for ${username}: `
: `[sudo] password for ${username}: `;
if (me.cachedPassword) {
child.stdin.write(me.cachedPassword + '\n');
}
else {
me.cachedPassword = readlineSync.question(loginMessage, { hideEchoBack: true });
child.stdin.write(me.cachedPassword + '\n');
}
}
});
});
return child;
}
};
SpawnImpl = __decorate([
inversify_1.injectable(),
__param(0, inversify_1.inject('CommandUtil')),
__metadata('design:paramtypes', [Object])
], SpawnImpl);
exports.SpawnImpl = SpawnImpl;
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