fix: Expose command help method (#33)

src/index.ts

@@ -59,17 +59,7 @@ export default class Help {
  console.log(this.topics(topics))
  console.log()
  } else if (command = this.config.findCommand(subject)) {
- const name = command.id
- const depth = name.split(':').length
- topics = topics.filter(t => t.name.startsWith(name + ':') && t.name.split(':').length === depth + 1)
- let title = command.description && this.render(command.description).split('\n')[0]
- if (title) console.log(title + '\n')
- console.log(this.command(command))
- console.log()
- if (topics.length) {
- console.log(this.topics(topics))
- console.log()
- }
+ this.showCommandHelp(command, topics)
  } else if (topic = this.config.findTopic(subject)) {
  const name = topic.name
  const depth = name.split(':').length
@@ -84,6 +74,20 @@ export default class Help {
  }
  }
 
+ showCommandHelp(command: Config.Command, topics: Config.Topic[]) {
+ const name = command.id
+ const depth = name.split(':').length
+ topics = topics.filter(t => t.name.startsWith(name + ':') && t.name.split(':').length === depth + 1)
+ let title = command.description && this.render(command.description).split('\n')[0]
+ if (title) console.log(title + '\n')
+ console.log(this.command(command))
+ console.log()
+ if (topics.length) {
+ console.log(this.topics(topics))
+ console.log()
+ }
+ }
+
  root(): string {
  const help = new RootHelp(this.config, this.opts)
  return help.root()