project bootstrap

node_modules/core-js/internals/structured-clone-proper-transfer.js

@@ -0,0 +1,18 @@
+'use strict';
+var global = require('../internals/global');
+var fails = require('../internals/fails');
+var V8 = require('../internals/engine-v8-version');
+var IS_BROWSER = require('../internals/engine-is-browser');
+var IS_DENO = require('../internals/engine-is-deno');
+var IS_NODE = require('../internals/engine-is-node');
+
+var structuredClone = global.structuredClone;
+
+module.exports = !!structuredClone && !fails(function () {
+  // prevent V8 ArrayBufferDetaching protector cell invalidation and performance degradation
+  // https://github.com/zloirock/core-js/issues/679
+  if ((IS_DENO && V8 > 92) || (IS_NODE && V8 > 94) || (IS_BROWSER && V8 > 97)) return false;
+  var buffer = new ArrayBuffer(8);
+  var clone = structuredClone(buffer, { transfer: [buffer] });
+  return buffer.byteLength !== 0 || clone.byteLength !== 8;
+});