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-rw-r--r--node_modules/locutus/php/array/prev.js52
1 files changed, 52 insertions, 0 deletions
diff --git a/node_modules/locutus/php/array/prev.js b/node_modules/locutus/php/array/prev.js
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+++ b/node_modules/locutus/php/array/prev.js
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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 \ No newline at end of file