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safe-array-concat \u003csup\u003e[![Version Badge][npm-version-svg]][package-url]\u003c/sup\u003e\n\n[![github actions][actions-image]][actions-url]\n[![coverage][codecov-image]][codecov-url]\n[![License][license-image]][license-url]\n[![Downloads][downloads-image]][downloads-url]\n\n[![npm badge][npm-badge-png]][package-url]\n\n`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable\n\n## Getting started\n\n```sh\nnpm install --save safe-array-concat\n```\n\n## Usage/Examples\n\n```js\nvar safeConcat = require('safe-array-concat');\nvar assert = require('assert');\n\nassert.deepEqual([].concat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with normal concat');\nassert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with safe concat');\n\nString.prototype[Symbol.isConcatSpreadable] = true;\nassert.deepEqual([].concat('foo', Object('bar')), ['foo', 'b', 'a', 'r'], 'spreadable String objects are spread with normal concat!!!');\nassert.deepEqual(safeConcat('foo', Object('bar')), ['foo', Object('bar')], 'spreadable String objects are not spread with safe concat');\n\nArray.prototype[Symbol.isConcatSpreadable] = false;\nassert.deepEqual([].concat([1, 2], 3, [[4]]), [[], [1, 2], 3, [[4]]], 'non-concat-spreadable arrays do not spread with normal concat!!!');\nassert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'non-concat-spreadable arrays still spread with safe concat');\n```\n\n## Tests\nSimply clone the repo, `npm install`, and run `npm test`\n\n[package-url]: https://npmjs.org/package/safe-array-concat\n[npm-version-svg]: https://versionbadg.es/ljharb/safe-array-concat.svg\n[deps-svg]: https://david-dm.org/ljharb/safe-array-concat.svg\n[deps-url]: https://david-dm.org/ljharb/safe-array-concat\n[dev-deps-svg]: https://david-dm.org/ljharb/safe-array-concat/dev-status.svg\n[dev-deps-url]: https://david-dm.org/ljharb/safe-array-concat#info=devDependencies\n[npm-badge-png]: 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