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    Author message:

    The `Array.prototype.item` proposal was renamed to `Array.prototype.at` - please immediately switch to the `array.prototype.at` package.

    array.prototype.item

    1.0.0 • Public • Published

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    An ESnext spec-compliant Array.prototype.item shim/polyfill/replacement that works as far down as ES3.

    This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the proposed spec.

    Because Array.prototype.item depends on a receiver (the this value), the main export takes the array to operate on as the first argument.

    Getting started

    npm install --save array.prototype.item

    Usage/Examples

    var item = require('array.prototype.item');
    var assert = require('assert');
     
    var arr = [1, [2], [], 3];
     
    var results = item(arr, function (x, i) {
        assert.equal(x, arr[i]);
        return x;
    });
     
    assert.deepEqual(results, [1, 2, 3]);
    var item = require('array.prototype.item');
    var assert = require('assert');
    /* when Array#item is not present */
    delete Array.prototype.item;
    var shimmedFlatMap = item.shim();
     
    var mapper = function (x) { return [x, 1]; };
     
    assert.equal(shimmedFlatMap, item.getPolyfill());
    assert.deepEqual(arr.item(mapper), item(arr, mapper));
    var item = require('array.prototype.item');
    var assert = require('assert');
    /* when Array#item is present */
    var shimmedIncludes = item.shim();
     
    var mapper = function (x) { return [x, 1]; };
     
    assert.equal(shimmedIncludes, Array.prototype.item);
    assert.deepEqual(arr.item(mapper), item(arr, mapper));

    Tests

    Simply clone the repo, npm install, and run npm test

    Install

    npm i array.prototype.item

    DownloadsWeekly Downloads

    0

    Version

    1.0.0

    License

    MIT

    Unpacked Size

    15.6 kB

    Total Files

    20

    Last publish

    Collaborators

    • ljharb