feat(engine): add body character count

Author: sajithneyo

engine.js

@@ -125,9 +125,18 @@ module.exports = function(options) {
         {
           type: 'input',
           name: 'body',
-          message:
-            'Provide a longer description of the change: (press enter to skip)\n',
-          default: options.defaultBody
+          message: function(answers) {
+            return (
+              'Provide a longer description of the change (max ' +
+              options.maxBodyLineWidth +
+              ' chars per line): (press enter to skip)\n'
+            );
+          },
+          default: options.defaultBody,
+          transformer: function(body) {
+            var color = chalk.green;
+            return color('(' + body.length + ') ' + body);
+          }
         },
         {
           type: 'confirm',

index.js

@@ -23,7 +23,8 @@ var options = {
     (process.env.CZ_MAX_LINE_WIDTH &&
       parseInt(process.env.CZ_MAX_LINE_WIDTH)) ||
     config.maxLineWidth ||
-    100
+    100,
+    maxBodyLineWidth: config.maxBodyLineWidth || 80
 };
 
 (function(options) {