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1 files changed, 25 insertions, 0 deletions

diff --git a/node_modules/core-js/library/modules/_bind.js b/node_modules/core-js/library/modules/_bind.js
new file mode 100644
index 00000000..3cf1e5ae
--- /dev/null
+++ b/node_modules/core-js/library/modules/_bind.js
@@ -0,0 +1,25 @@
+'use strict';
+var aFunction = require('./_a-function');
+var isObject = require('./_is-object');
+var invoke = require('./_invoke');
+var arraySlice = [].slice;
+var factories = {};
+
+var construct = function (F, len, args) {
+  if (!(len in factories)) {
+    for (var n = [], i = 0; i < len; i++) n[i] = 'a[' + i + ']';
+    // eslint-disable-next-line no-new-func
+    factories[len] = Function('F,a', 'return new F(' + n.join(',') + ')');
+  } return factories[len](F, args);
+};
+
+module.exports = Function.bind || function bind(that /* , ...args */) {
+  var fn = aFunction(this);
+  var partArgs = arraySlice.call(arguments, 1);
+  var bound = function (/* args... */) {
+    var args = partArgs.concat(arraySlice.call(arguments));
+    return this instanceof bound ? construct(fn, args.length, args) : invoke(fn, args, that);
+  };
+  if (isObject(fn.prototype)) bound.prototype = fn.prototype;
+  return bound;
+};