add logging similar to mocha

Author: eGavr

lib/cli.js

@@ -8,9 +8,7 @@ var path = require('path'),
 module.exports = require('coa').Cmd()
     .name(process.argv[1])
     .helpful()
-    .title('Compares two html-files\n' +
-        'Red text'.red + ' should be removed from the first html relative to the second one, ' +
-        'green text'.green + ' should be added')
+    .title('Compares two html-files')
     .opt()
         .name('version')
         .title('Shows the version number')

lib/diff-logger.js

@@ -35,7 +35,7 @@ function getDiffText(diff, options) {
         if (part.removed) color = 'red';
 
         if (color !== 'grey') {
-            output += (!index ? '\n' : '') + partValue[color];
+            output += (!index ? '\n' : '') + partValue.inverse[color];
 
             return;
         }
@@ -63,7 +63,9 @@ function getDiffText(diff, options) {
 function log(diff, options) {
     var diffText = getDiffText(diff, options);
 
-    console.log(diffText);
+    if (diffText) {
+        console.log('+ expected'.inverse.green, '- actual'.inverse.red, '\n',  diffText);
+    }
 }
 
 module.exports = {