chore(help): refactor help for more cleaner code

refactor help

Author: anshumanv

lib/groups/help.js

@@ -21,18 +21,16 @@ class HelpGroup {
     }
 
     run() {
-        const b = s => chalk.blue(s);
-        const l = s => chalk.white(s);
+        const { underline, bold } = chalk.white
         const o = s => chalk.keyword('orange')(s);
-
         const commandLineUsage = require('command-line-usage');
         const options = require('../utils/cli-flags');
-        const title = chalk.white.bold('⬡                     ') + chalk.white.underline('webpack') + chalk.white.bold('                     ⬡');
+        const title = bold('⬡                     ') + underline('webpack') + bold('                     ⬡');
         const desc = 'The build tool for modern web applications';
-        const websitelink = '         ' + chalk.white.underline('https://webpack.js.org');
+        const websitelink = '         ' + underline('https://webpack.js.org');
 
-        const usage = chalk.white.bold('Usage') + ': ' + '`' + o('webpack [...options] | <command>') + '`';
-        const examples = chalk.white.bold('Example') + ': ' + '`' + o('webpack help --flag | <command>') + '`';
+        const usage = bold('Usage') + ': ' + '`' + o('webpack [...options] | <command>') + '`';
+        const examples = bold('Example') + ': ' + '`' + o('webpack help --flag | <command>') + '`';
 
         const hh = `          ${title}\n
 		${websitelink}\n