Save current BZZZ config-ui state before CHORUS branding update

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Co-Authored-By: Claude <noreply@anthropic.com>

install/config-ui/node_modules/es-abstract/2016/DetachArrayBuffer.js

@@ -0,0 +1,38 @@
+'use strict';
+
+var $SyntaxError = require('es-errors/syntax');
+var $TypeError = require('es-errors/type');
+
+var isArrayBuffer = require('is-array-buffer');
+
+var IsDetachedBuffer = require('./IsDetachedBuffer');
+
+var MessageChannel;
+try {
+	// eslint-disable-next-line global-require
+	MessageChannel = require('worker_threads').MessageChannel; // node 11.7+
+} catch (e) { /**/ }
+
+// https://262.ecma-international.org/6.0/#sec-detacharraybuffer
+
+/* globals postMessage */
+
+module.exports = function DetachArrayBuffer(arrayBuffer) {
+	if (!isArrayBuffer(arrayBuffer)) {
+		throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot');
+	}
+
+	if (!IsDetachedBuffer(arrayBuffer)) { // node v21.0.0+ throws when you structuredClone a detached buffer
+		if (typeof structuredClone === 'function') {
+			structuredClone(arrayBuffer, { transfer: [arrayBuffer] });
+		} else if (typeof postMessage === 'function') {
+			postMessage('', '/', [arrayBuffer]); // TODO: see if this might trigger listeners
+		} else if (MessageChannel) {
+			(new MessageChannel()).port1.postMessage(null, [arrayBuffer]);
+		} else {
+			throw new $SyntaxError('DetachArrayBuffer is not supported in this environment');
+		}
+	}
+
+	return null;
+};