Trim color name

Relates to #580

Author: gustavohenke

lib/prefix-color-selector.spec.ts

@@ -36,6 +36,10 @@ describe('#getNextColor()', () => {
                 'blue',
             ],
         },
+        'trims colors': {
+            customColors: ['  red  ', '  green  ', '  blue  '],
+            expectedColors: ['red', 'green', 'blue'],
+        },
         'accepts a string value for customColors': {
             customColors: 'red',
             expectedColors: ['red', 'red'],

lib/prefix-color-selector.ts

@@ -96,6 +96,6 @@ export class PrefixColorSelector {
      * @returns The given custom colors then a set of acceptable console colors indefinitely.
      */
     getNextColor(): string {
-        return this.colorGenerator.next().value;
+        return this.colorGenerator.next().value.trim();
     }
 }