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"use strict";
module.exports = function array_shift(inputArr) {
// eslint-disable-line camelcase
// discuss at: http://locutus.io/php/array_shift/
// original by: Kevin van Zonneveld (http://kvz.io)
// improved by: Martijn Wieringa
// note 1: Currently does not handle objects
// example 1: array_shift(['Kevin', 'van', 'Zonneveld'])
// returns 1: 'Kevin'
var _checkToUpIndices = function _checkToUpIndices(arr, ct, key) {
// Deal with situation, e.g., if encounter index 4 and try
// to set it to 0, but 0 exists later in loop (need to
// increment all subsequent (skipping current key, since
// we need its value below) until find unused)
if (arr[ct] !== undefined) {
var tmp = ct;
ct += 1;
if (ct === key) {
ct += 1;
}
ct = _checkToUpIndices(arr, ct, key);
arr[ct] = arr[tmp];
delete arr[tmp];
}
return ct;
};
if (inputArr.length === 0) {
return null;
}
if (inputArr.length > 0) {
return inputArr.shift();
}
};
//# sourceMappingURL=array_shift.js.map
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