add some packages

node_modules/core-js/modules/_array-methods.js

@@ -0,0 +1,44 @@
+// 0 -> Array#forEach
+// 1 -> Array#map
+// 2 -> Array#filter
+// 3 -> Array#some
+// 4 -> Array#every
+// 5 -> Array#find
+// 6 -> Array#findIndex
+var ctx = require('./_ctx');
+var IObject = require('./_iobject');
+var toObject = require('./_to-object');
+var toLength = require('./_to-length');
+var asc = require('./_array-species-create');
+module.exports = function (TYPE, $create) {
+  var IS_MAP = TYPE == 1;
+  var IS_FILTER = TYPE == 2;
+  var IS_SOME = TYPE == 3;
+  var IS_EVERY = TYPE == 4;
+  var IS_FIND_INDEX = TYPE == 6;
+  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+  var create = $create || asc;
+  return function ($this, callbackfn, that) {
+    var O = toObject($this);
+    var self = IObject(O);
+    var f = ctx(callbackfn, that, 3);
+    var length = toLength(self.length);
+    var index = 0;
+    var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+    var val, res;
+    for (;length > index; index++) if (NO_HOLES || index in self) {
+      val = self[index];
+      res = f(val, index, O);
+      if (TYPE) {
+        if (IS_MAP) result[index] = res;   // map
+        else if (res) switch (TYPE) {
+          case 3: return true;             // some
+          case 5: return val;              // find
+          case 6: return index;            // findIndex
+          case 2: result.push(val);        // filter
+        } else if (IS_EVERY) return false; // every
+      }
+    }
+    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
+  };
+};