From 43eb8646799d4ce9a995320b8422ffbaf86e5b62 Mon Sep 17 00:00:00 2001
From: Army-U <wuchengkai0@gmail.com>
Date: Wed, 23 Jan 2019 16:16:35 +0800
Subject: [PATCH] docs(README): usage about tree shaking

---
 README.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/README.md b/README.md
index da8e10c..d0a5116 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,27 @@ isEmpty(10) // => false
 isEmpty('') // => true
 ```
 
+### Load on demand
+
+```bash
+$ npm i @babel/env babel-plugin-import -D
+```
+
+```json
+{
+  "presets": [
+    ["@babel/env", { "modules": false }]
+  ],
+  "plugins": [
+    ["import", {
+      "libraryName": "sewing",
+      "libraryDirectory": "dist",
+      "style": false
+    }]
+  ]
+}
+```
+
 ### Development
 
 ```bash