feature(show-config) add ability to show config values with --show-config

HELP.md

@@ -71,6 +71,7 @@ Cloud Commander supports command line parameters:
 | `-u, --username`              | set username
 | `-p, --password`              | set password
 | `-c, --config`                | configuration file path
+| `--show-config`               | show config values
 | `--editor`                    | set editor: "dword", "edward" or "deepword"
 | `--packer`                    | set packer: "tar" or "zip"
 | `--root`                      | set root directory

bin/cloudcmd.js

@@ -42,7 +42,8 @@ const args = require('minimist')(argv.slice(2), {
         'console',
         'terminal',
         'one-panel-mode',
-        'html-dialogs'
+        'html-dialogs',
+        'show-config',
     ],
     default: {
         server      : true,
@@ -128,6 +129,9 @@ function main() {
     
     validateRoot(options.root);
     
+    if (args['show-config'])
+        showConfig();
+    
     if (!args.save)
         return start(options);
     
@@ -167,6 +171,13 @@ function port(arg) {
         exit('cloudcmd --port: should be a number');
 }
 
+function showConfig() {
+    const show = require('../server/show-config');
+    const data = show(config('*'));
+    
+    console.log(data);
+}
+
 function readConfig(name) {
     if (!name)
         return;

json/config.json

@@ -26,6 +26,7 @@
     "configDialog": true,
     "console": true,
     "terminal": false,
-    "terminalPath": ""
+    "terminalPath": "",
+    "showConfig": "false"
 }
 

json/help.json

@@ -7,6 +7,7 @@
     "-u, --username             ": "set username",
     "-p, --password             ": "set password",
     "-c, --config               ": "configuration file path",
+    "--show-config              ": "show config values",
     "--editor                   ": "set editor: \"dword\", \"edward\" or \"deepword\"",
     "--packer                   ": "set packer: \"tar\" or \"zip\"",
     "--root                     ": "set root directory",

man/cloudcmd.1

@@ -30,6 +30,7 @@ programs in browser from any computer, mobile or tablet device.
   -u, --username                set username
   -p, --password                set password
   -c, --config                  configuration file path
+  --show-config                 show config values
   --editor                      set editor: "dword", "edward" or "deepword"
   --packer                      set packer: "tar" or "zip"
   --root                        set root directory

package.json

@@ -154,6 +154,7 @@
     "socket.io": "^2.0.1",
     "spero": "^1.5.0",
     "squad": "^1.1.3",
+    "table": "^4.0.1",
     "try-catch": "^1.0.0",
     "tryrequire": "^1.1.5",
     "writejson": "^1.1.0"

server/show-config.js

@@ -0,0 +1,35 @@
+'use strict';
+
+const t = require('table');
+const table = t.table;
+const getBorderCharacters = t.getBorderCharacters;
+
+module.exports = (config) => {
+    check(config);
+    
+    const data = Object.keys(config).map((name) => {
+        return [name, config[name]];
+    });
+    
+    if (!data.length)
+        return '';
+    
+    return table(data, {
+        columns: {
+            1: {
+                width: 30,
+                truncate: 30,
+            }
+        },
+        border: getBorderCharacters('ramac'),
+    });
+};
+
+function check(config) {
+    if (!config)
+        throw Error('config could not be empty!');
+    
+    if (typeof config !== 'object')
+        throw Error('config should be an object!');
+}
+

test/server/show-config.js

@@ -0,0 +1,36 @@
+'use strict';
+
+const test = require('tape');
+const showConfig = require('../../server/show-config');
+
+test('cloudcmd: show-config: no arguments', (t) => {
+    t.throws(showConfig, /config could not be empty!/, 'should throw when no config');
+    t.end();
+});
+
+test('cloudcmd: show-config: bad arguments', (t) => {
+    const fn = () => showConfig('hello');
+    t.throws(fn, /config should be an object!/, 'should throw when config not object');
+    t.end();
+});
+
+test('cloudcmd: show-config: return', (t) => {
+    t.equal(showConfig({}), '', 'should return string');
+    t.end();
+});
+
+test('cloudcmd: show-config: return', (t) => {
+    const config = {
+        hello: 'world'
+    };
+    
+    const result = [
+        '+-------+--------------------------------+\n',
+        '| hello | world                          |\n',
+        '+-------+--------------------------------+\n',
+    ].join('');
+    
+    t.equal(showConfig(config), result, 'should return table');
+    t.end();
+});
+