improve CLI: add logs command, improve README

README.md

@@ -21,8 +21,8 @@ It's free and open source. :)
 
 ## Prerequisites
 
-* [Node.js >= 8.x](https://nodejs.org/en/download/)
-* JFrog Artifactory is running somewhere in your company's network
+- [Node.js >= 8.x](https://nodejs.org/en/download/)
+- JFrog Artifactory is running somewhere in your company's network
 
 ## Installation
 
@@ -32,10 +32,24 @@ npm i -g npmfrog
 
 ## Usage
 
+### Start
+
 ```bash
 npmfrog
 ```
 
+### Stop
+
+```bash
+npmfrog stop
+```
+
+### Show logs
+
+```bash
+npmfrog logs
+```
+
 At the first start up, npmFrog will create a configuration file in your home directory under `~/.npmfrog/config.json`. Please fill this file with with your artifactory properties.
 
 Browse to npmFrog instance [http://localhost:8000](http://localhost:8000).

bin/cli.ts

@@ -2,31 +2,42 @@
 // =============================================================
 
 import * as childProcess from 'child_process';
-const exec = childProcess.exec;
 import * as path from 'path';
+const exec = childProcess.spawn;
+
 // tslint:disable-next-line:no-var-requires
 const pm2Config = require('../pm2.config');
 const port = pm2Config.serveUIStatic.env.PM2_SERVE_PORT;
 const logFiles = {
   ui: path.join(__dirname, '..', pm2Config.serveUIStatic.cwd || '', pm2Config.serveUIStatic.log),
   server: path.join(__dirname, '..', pm2Config.runServer.cwd || '', pm2Config.runServer.log),
 };
-const startCommand = 'run prod';
+
+const startCommand = ['run', 'prod'];
 const programm = 'npmfrog';
 const firstArg = process.argv[2];
-const command = firstArg === 'stop' ? 'stop' : startCommand;
-
-exec(`npm ${command}`, { cwd: __dirname }, (error, stdout, stderr) => {
-  console.log(`${stdout}`);
-  console.error(`${stderr}`);
-  if (command === startCommand) {
-    console.log(`Running npmFrog in background on http://localhost:${port}`);
-    console.log(`To stop npmFrog, run \`${programm} stop\``);
-    console.log(`Logs can be found in ${logFiles.server} and ${logFiles.ui} .`);
-  } else if (command === 'stop') {
-    console.log(`Stopped npmFrog.`);
-  }
-  if (error !== null) {
-    console.error(`npmFrog error: ${error}`);
-  }
+const allowedCliCommands = ['stop', 'logs'];
+const command: string[] =
+  allowedCliCommands.indexOf(firstArg) > -1 ? ['run', firstArg] : startCommand;
+
+const run = exec(`npm`, command);
+
+if (command === startCommand) {
+  console.log(`Running npmFrog in background on http://localhost:${port}`);
+  console.log(`To stop npmFrog, run \`${programm} stop\``);
+  console.log(`Logs can be found in ${logFiles.server} and ${logFiles.ui} .`);
+} else if (command[1] === 'stop') {
+  console.log(`Stopped npmFrog.`);
+}
+
+run.stdout.on('data', data => {
+  console.log(data.toString());
+});
+
+run.stderr.on('data', data => {
+  console.error(data.toString());
+});
+
+run.on('exit', code => {
+  console.log(`npmFrog exited with code ${code.toString()}.`);
 });