node_modules ignore

server/node_modules/nanoclone/src/index.js

@@ -0,0 +1,69 @@
+// ES6 Map
+var map
+try {
+  map = Map
+} catch (_) { }
+var set
+
+// ES6 Set
+try {
+  set = Set
+} catch (_) { }
+
+function baseClone (src, circulars, clones) {
+  // Null/undefined/functions/etc
+  if (!src || typeof src !== 'object' || typeof src === 'function') {
+    return src
+  }
+
+  // DOM Node
+  if (src.nodeType && 'cloneNode' in src) {
+    return src.cloneNode(true)
+  }
+
+  // Date
+  if (src instanceof Date) {
+    return new Date(src.getTime())
+  }
+
+  // RegExp
+  if (src instanceof RegExp) {
+    return new RegExp(src)
+  }
+
+  // Arrays
+  if (Array.isArray(src)) {
+    return src.map(clone)
+  }
+
+  // ES6 Maps
+  if (map && src instanceof map) {
+    return new Map(Array.from(src.entries()))
+  }
+
+  // ES6 Sets
+  if (set && src instanceof set) {
+    return new Set(Array.from(src.values()))
+  }
+
+  // Object
+  if (src instanceof Object) {
+    circulars.push(src)
+    var obj = Object.create(src)
+    clones.push(obj)
+    for (var key in src) {
+      var idx = circulars.findIndex(function (i) {
+        return i === src[key]
+      })
+      obj[key] = idx > -1 ? clones[idx] : baseClone(src[key], circulars, clones)
+    }
+    return obj
+  }
+
+  // ???
+  return src
+}
+
+export default function clone (src) {
+  return baseClone(src, [], [])
+}