From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Thu, 8 Nov 2018 00:38:48 +0800
Subject: switch to vuepress

---
 node_modules/flatten/index.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 node_modules/flatten/index.js

(limited to 'node_modules/flatten/index.js')

diff --git a/node_modules/flatten/index.js b/node_modules/flatten/index.js
new file mode 100644
index 00000000..a9bd9b8c
--- /dev/null
+++ b/node_modules/flatten/index.js
@@ -0,0 +1,23 @@
+module.exports = function flatten(list, depth) {
+  depth = (typeof depth == 'number') ? depth : Infinity;
+
+  if (!depth) {
+    if (Array.isArray(list)) {
+      return list.map(function(i) { return i; });
+    }
+    return list;
+  }
+
+  return _flatten(list, 1);
+
+  function _flatten(list, d) {
+    return list.reduce(function (acc, item) {
+      if (Array.isArray(item) && d < depth) {
+        return acc.concat(_flatten(item, d + 1));
+      }
+      else {
+        return acc.concat(item);
+      }
+    }, []);
+  }
+};
-- 
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