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							- 'use strict';
 
- var GetIntrinsic = require('get-intrinsic');
 
- var $concat = GetIntrinsic('%Array.prototype.concat%');
 
- var callBind = require('call-bind');
 
- var callBound = require('call-bound');
 
- var $slice = callBound('Array.prototype.slice');
 
- var hasSymbols = require('has-symbols/shams')();
 
- var isConcatSpreadable = hasSymbols && Symbol.isConcatSpreadable;
 
- /** @type {never[]} */ var empty = [];
 
- var $concatApply = isConcatSpreadable ? callBind.apply($concat, empty) : null;
 
- // eslint-disable-next-line no-extra-parens
 
- var isArray = isConcatSpreadable ? /** @type {(value: unknown) => value is unknown[]} */ (require('isarray')) : null;
 
- /** @type {import('.')} */
 
- module.exports = isConcatSpreadable
 
- 	// eslint-disable-next-line no-unused-vars
 
- 	? function safeArrayConcat(item) {
 
- 		for (var i = 0; i < arguments.length; i += 1) {
 
- 			/** @type {typeof item} */ var arg = arguments[i];
 
- 			// @ts-expect-error ts(2538) see https://github.com/microsoft/TypeScript/issues/9998#issuecomment-1890787975; works if `const`
 
- 			if (arg && typeof arg === 'object' && typeof arg[isConcatSpreadable] === 'boolean') {
 
- 				// @ts-expect-error ts(7015) TS doesn't yet support Symbol indexing
 
- 				if (!empty[isConcatSpreadable]) {
 
- 					// @ts-expect-error ts(7015) TS doesn't yet support Symbol indexing
 
- 					empty[isConcatSpreadable] = true;
 
- 				}
 
- 				// @ts-expect-error ts(2721) ts(18047) not sure why TS can't figure out this can't be null
 
- 				var arr = isArray(arg) ? $slice(arg) : [arg];
 
- 				// @ts-expect-error ts(7015) TS can't handle expandos on an array
 
- 				arr[isConcatSpreadable] = true; // shadow the property. TODO: use [[Define]]
 
- 				arguments[i] = arr;
 
- 			}
 
- 		}
 
- 		// @ts-expect-error ts(2345) https://github.com/microsoft/TypeScript/issues/57164 TS doesn't understand that apply can take an arguments object
 
- 		return $concatApply(arguments);
 
- 	}
 
- 	: callBind($concat, empty);
 
 
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