Add list -x to show tags/companies/category.

Signed-off-by: Eric Wang <skygragon@gmail.com>

Author: skygragon

lib/commands/list.js

@@ -22,6 +22,12 @@ var cmd = {
         describe: 'Show statistics of listed questions'
       })
       .option('t', core.filters.tag)
+      .option('x', {
+        alias:    'extra',
+        type:     'boolean',
+        default:  false,
+        describe: 'Show extra details: category, companies, tags.'
+      })
       .positional('keyword', {
         type:     'string',
         default:  '',
@@ -69,6 +75,26 @@ cmd.handler = function(argv) {
           problem.name,
           h.prettyLevel(sprintf('%-6s', problem.level)),
           problem.percent);
+
+      if (argv.extra) {
+        var badges = [problem.category];
+        badges = badges.concat(problem.companies || []);
+        badges = badges.concat(problem.tags || []);
+
+        var buf = [];
+        var len = 0;
+        badges.forEach(function(x) {
+          if (len + x.length + 3 >= 60) {
+            log.printf('%12s%s', ' ', chalk.dim(buf.join(' | ')));
+            buf = [];
+            len = 0;
+          }
+          buf.push(x);
+          len += x.length + 3;
+        });
+        if (buf.length > 0)
+          log.printf('%12s%s', ' ', chalk.dim(buf.join(' | ')));
+      }
     });
 
     if (argv.stat) {