source: imaps-frontend/node_modules/array.prototype.flatmap/shim.js

'use strict';

var define = require('define-properties');
var shimUnscopables = require('es-shim-unscopables');

var getPolyfill = require('./polyfill');

module.exports = function shimFlatMap() {
        var polyfill = getPolyfill();

        define(
                Array.prototype,
                { flatMap: polyfill },
                { flatMap: function () { return Array.prototype.flatMap !== polyfill; } }
        );

        shimUnscopables('flatMap');

        return polyfill;
};