From b129bfcfe73f7966c52db0b5d3057db265e9933b Mon Sep 17 00:00:00 2001
From: EGOIST <0x142857@gmail.com>
Date: Thu, 10 Jan 2019 00:41:36 +0800
Subject: [PATCH] feat: display generator description

---
 docs/config.md        | 6 ++++++
 lib/Generator.js      | 4 ++++
 lib/validateConfig.js | 1 +
 3 files changed, 11 insertions(+)

diff --git a/docs/config.md b/docs/config.md
index c7924ca..c7bfe9c 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -1,5 +1,11 @@
 # Config
 
+## config.description
+
+- Type: `string`
+
+Generator description.
+
 ## config.prompts
 
 - Type: `Array<Prompt> | (this: Generator) => Array<Prompt>`
diff --git a/lib/Generator.js b/lib/Generator.js
index c45ec1c..c7d2bf2 100644
--- a/lib/Generator.js
+++ b/lib/Generator.js
@@ -156,6 +156,10 @@ module.exports = class Generator {
 
     const config = validateConfig(this.config, opts.extendConfigSchema)
 
+    if (config.description) {
+      logger.status('green', 'Generator', config.description)
+    }
+
     if (config.prepare) {
       await config.prepare.call(this, this)
     }
diff --git a/lib/validateConfig.js b/lib/validateConfig.js
index f9ab0b4..8462284 100644
--- a/lib/validateConfig.js
+++ b/lib/validateConfig.js
@@ -4,6 +4,7 @@ const KopyError = require('./KopyError')
 module.exports = (config, extendConfigSchema) => {
   // TODO: improve prompts and actions validation
   const schema = {
+    description: struct.optional('string'),
     prepare: struct.optional('function'),
     prompts: struct.optional(struct.union(['array', 'function'])),
     actions: struct.optional(struct.union(['array', 'function'])),