1 files changed, 13 insertions, 0 deletions
diff --git a/node_modules/core-js/internals/species-constructor.js b/node_modules/core-js/internals/species-constructor.js
new file mode 100644
index 0000000..4d8f565
--- /dev/null
+++ b/node_modules/core-js/internals/species-constructor.js
@@ -0,0 +1,13 @@
+var anObject = require('../internals/an-object');
+var aFunction = require('../internals/a-function');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var SPECIES = wellKnownSymbol('species');
+
+// `SpeciesConstructor` abstract operation
+// https://tc39.github.io/ecma262/#sec-speciesconstructor
+module.exports = function (O, defaultConstructor) {
+  var C = anObject(O).constructor;
+  var S;
+  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? defaultConstructor : aFunction(S);
+};