cli tweak to verbose (#25)

* cli tweak to verbose

* tweak testcase

README.md

@@ -94,6 +94,9 @@ $ detect
 # detect pointed port
 $ detect 80
 
+# output verbose log
+$ detect --verbose
+
 # more help
 $ detect --help
 ```

bin/detect-port

@@ -5,25 +5,42 @@
 const pkg = require('../package');
 
 const args = process.argv.slice(2);
-const arg_0 = args[0];
+let arg_0 = args[0];
 
 if (arg_0 && !!~['-v', '--version'].indexOf(arg_0.toLowerCase())) {
   console.log(pkg.version);
   process.exit(0);
 }
 
-const port = parseInt(arg_0, 10);
+const removeByValue = (arr, val) => {
+  for (var i = 0; i < arr.length; i++) {
+    if (arr[i] === val) {
+      arr.splice(i, 1);
+      break;
+    }
+  }
+};
 
 const main = require('..');
 
+const port = parseInt(arg_0, 10);
+const isVerbose = !!~args.indexOf('--verbose');
+
+removeByValue(args, '--verbose');
+arg_0 = args[0];
+
 if (!arg_0) {
   const random = Math.floor(9000 + Math.random() * (65535 - 9000));
 
   main(random, (err, port) => {
-    if (err) {
-      console.log(`get available port failed with ${err}`);
+    if (isVerbose) {
+      if (err) {
+        console.log(`get available port failed with ${err}`);
+      }
+      console.log(`get available port ${port} randomly`);
+    } else {
+      console.log(port || random);
     }
-    console.log(`get available port ${port} randomly`);
   });
 } else if (isNaN(port)) {
   console.log();
@@ -36,20 +53,16 @@ if (!arg_0) {
   console.log('  Options:');
   console.log();
   console.log('    -v, --version    output version and exit');
-  console.log('    -s, --silent     output port without verbose log');
   console.log('    -h, --help       output usage information');
+  console.log('    --verbose        output verbose log');
   console.log();
   console.log('  Further help:');
   console.log();
   console.log(`    ${pkg.homepage}`);
   console.log();
 } else {
-  const isSilent = !!~process.argv.indexOf('-s') || !!~process.argv.indexOf('--silent');
-
   main(port, (err, _port) => {
-    if (isSilent) {
-      console.log(_port || port);
-    } else {
+    if (isVerbose) {
       if (err) {
         console.log(`get available port failed with ${err}`);
       }
@@ -59,6 +72,8 @@ if (!arg_0) {
       }
 
       console.log(`get available port ${_port}`);
+    } else {
+      console.log(_port || port);
     }
   });
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "detect-port",
-  "version": "1.1.4",
+  "version": "1.2.0",
   "description": "detect available port",
   "keywords": [
     "detect",

test/cli.test.js

@@ -1,9 +1,9 @@
 'use strict';
 
 const path = require('path');
-const CliTest = require('command-line-test');
 const assert = require('assert');
 const pkg = require('../package');
+const CliTest = require('command-line-test');
 
 const cliTest = new CliTest();
 const binFile = path.resolve(pkg.bin[pkg.name]);
@@ -30,15 +30,20 @@ describe('command-line tool test', () => {
 
   it('should output available port randomly', function* () {
     const res = yield cliTest.execFile(binFile, [], {});
-    const port = parseInt(res.stdout.split(' ')[3], 10);
+    const port = parseInt(res.stdout.trim(), 10);
     assert(port >= 9000 && port < 65535);
   });
 
   it('should output available port from the given port', function* () {
     const givenPort = 9000;
     const res = yield cliTest.execFile(binFile, [ givenPort ], {});
-    const port = parseInt(res.stdout.split(' ')[3], 10);
+    const port = parseInt(res.stdout.trim(), 10);
     assert(port >= givenPort && port < 65535);
   });
 
+  it('should output verbose logs', function* () {
+    const res = yield cliTest.execFile(binFile, [ '--verbose' ], {});
+    assert(res.stdout.includes('random'));
+  });
+
 });

test/detect-port.test.js

@@ -1,12 +1,12 @@
 'use strict';
 
-const assert = require('assert');
-const net = require('net');
-const pedding = require('pedding');
-const address = require('address');
 const mm = require('mm');
 const dns = require('dns');
+const net = require('net');
 const detectPort = require('..');
+const assert = require('assert');
+const pedding = require('pedding');
+const address = require('address');
 
 describe('detect port test', () => {
   const servers = [];