source: imaps-frontend/node_modules/array.prototype.flat/implementation.js

'use strict';

var ArraySpeciesCreate = require('es-abstract/2023/ArraySpeciesCreate');
var FlattenIntoArray = require('es-abstract/2023/FlattenIntoArray');
var Get = require('es-abstract/2023/Get');
var ToIntegerOrInfinity = require('es-abstract/2023/ToIntegerOrInfinity');
var ToLength = require('es-abstract/2023/ToLength');
var ToObject = require('es-abstract/2023/ToObject');

module.exports = function flat() {
        var O = ToObject(this);
        var sourceLen = ToLength(Get(O, 'length'));

        var depthNum = 1;
        if (arguments.length > 0 && typeof arguments[0] !== 'undefined') {
                depthNum = ToIntegerOrInfinity(arguments[0]);
        }

        var A = ArraySpeciesCreate(O, 0);
        FlattenIntoArray(A, O, sourceLen, 0, depthNum);
        return A;
};