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node_modules/core-js/internals/array-buffer-byte-length.js

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+'use strict';
+var uncurryThisAccessor = require('../internals/function-uncurry-this-accessor');
+var classof = require('../internals/classof-raw');
+
+var $TypeError = TypeError;
+
+// Includes
+// - Perform ? RequireInternalSlot(O, [[ArrayBufferData]]).
+// - If IsSharedArrayBuffer(O) is true, throw a TypeError exception.
+module.exports = uncurryThisAccessor(ArrayBuffer.prototype, 'byteLength', 'get') || function (O) {
+  if (classof(O) != 'ArrayBuffer') throw $TypeError('ArrayBuffer expected');
+  return O.byteLength;
+};