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'use strict';
module.exports = function prev(arr) {
// discuss at: http://locutus.io/php/prev/
// original by: Brett Zamir (http://brett-zamir.me)
// note 1: Uses global: locutus to store the array pointer
// example 1: var $transport = ['foot', 'bike', 'car', 'plane']
// example 1: prev($transport)
// returns 1: false
var $global = typeof window !== 'undefined' ? window : global;
$global.$locutus = $global.$locutus || {};
var $locutus = $global.$locutus;
$locutus.php = $locutus.php || {};
$locutus.php.pointers = $locutus.php.pointers || [];
var pointers = $locutus.php.pointers;
var indexOf = function indexOf(value) {
for (var i = 0, length = this.length; i < length; i++) {
if (this[i] === value) {
return i;
}
}
return -1;
};
if (!pointers.indexOf) {
pointers.indexOf = indexOf;
}
var arrpos = pointers.indexOf(arr);
var cursor = pointers[arrpos + 1];
if (pointers.indexOf(arr) === -1 || cursor === 0) {
return false;
}
if (Object.prototype.toString.call(arr) !== '[object Array]') {
var ct = 0;
for (var k in arr) {
if (ct === cursor - 1) {
pointers[arrpos + 1] -= 1;
return arr[k];
}
ct++;
}
// Shouldn't reach here
}
if (arr.length === 0) {
return false;
}
pointers[arrpos + 1] -= 1;
return arr[pointers[arrpos + 1]];
};
//# sourceMappingURL=prev.js.map
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