Create debug mode option

Author: alexcanessa

lib/_options.js

@@ -53,7 +53,12 @@ module.exports = {
         {
             short: '-o',
             name: 'override',
-            description: 'Override the release notes if exist.'
+            description: 'Override the release notes if exist'
+        },
+        {
+            short: '-B',
+            name: 'debug',
+            description: 'Run the command in debugging mode'
         },
         {
             short: '-t',

lib/src/Gren.js

@@ -14,6 +14,7 @@ const defaults = {
     prerelease: false,
     generate: false,
     override: false,
+    debug: false,
     ignoreLabels: false,
     ignoreIssuesWith: false,
     ignoreCommitsWith: false,
@@ -53,6 +54,10 @@ class Gren {
             throw chalk.red('You must provide the TOKEN');
         }
 
+        if (this.options.debug) {
+            this._outputOptions(this.options);
+        }
+
         const githubApi = new Github({
             token
         }, apiUrl);
@@ -929,6 +934,20 @@ class Gren {
             });
         });
     }
+
+    /**
+     * Output the options in the terminal in a formatted way
+     *
+     * @param  {Object} options
+     */
+    _outputOptions(options) {
+        const camelcaseToSpaces = value => value.replace(/([A-Z])/g, ' $1').toLowerCase().replace(/\w/, a => a.toUpperCase());
+        const outputs = Object.entries(options)
+            .filter(option => option !== 'debug')
+            .map(([key, value]) => `${chalk.yellow(camelcaseToSpaces(key))}: ${value.toString() || 'empty'}`);
+
+        process.stdout.write('\n' + chalk.blue('Options: \n') + outputs.join('\n') + '\n');
+    }
 }
 
 export default Gren;