@immutable-array/unshift

Immutable Array.prototype.unshift.

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582Oct 25, 2019Jun 23, 2017Minified + gzip package size for @immutable-array/unshift in KB

Readme

@immutable-array/unshift

Immutable Array.prototype.unshift().

Install

Install with npm:

npm install @immutable-array/unshift

Usage

Same API with Array.prototype.unshift().

/**
 * Inserts new elements at the start of an array.
 * @param array  base Array.
 * @param items  Elements to insert at the start of the Array.
 */
export declare function unshift<T>(array: Array<T>, ...items: T[]): Array<T>;

Example

import { unshift } from "@immutable-array/unshift"
const originalArray = ["a", "b", "c", "d", "e"];
const addingArray = ["f", "g"];
const resultArray = unshift(originalArray, ...addingArray);
assert.deepStrictEqual(resultArray, ["f", "g", "a", "b", "c", "d", "e"]);

Changelog

See Releases page.

Running tests

Install devDependencies and Run npm test:

npm i -d && npm test

Contributing

Pull requests and stars are always welcome.

For bugs and feature requests, please create an issue.

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -am 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D

Author

License

MIT © azu

If you find any bugs or have a feature request, please open an issue on github!

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