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本文件采用知识共享署名-相同方式共享 4.0 国际（CC BY-SA 4.0）许可协议授权。
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/* global FormRestorer */
'use strict';
/* <nowiki> */
/**
* SPDX-License-Identifier: CC-BY-SA-4.0
* _addText: '{{Gadget Header|license=CC-BY-SA-4.0}}'
*
* @source <commons.wikimedia.org/wiki/MediaWiki:FormRestorer.js>
*/
/**
* Save form contents in a cookie, and read them from there again.
* Author: Lupo, January 2008
* License: Quadruple licensed GFDL, GPL, LGPL and Creative Commons Attribution 3.0 (CC-BY-3.0; http://creativecommons.org/licenses/by/3.0)
* Choose whichever license of these you like best :-)
*/
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
(function () {
window.FormRestorer = {
getCookie: function getCookie(cookieName) {
if (!document.cookie || !document.cookie.length || !cookieName || !cookieName.length) {
return;
}
var start = document.cookie.indexOf("".concat(cookieName, "="));
if (start < 0) {
return;
}
start += cookieName.length + 1;
var end = document.cookie.indexOf(';', start);
if (end < 0) {
return document.cookie.substring(start);
}
return document.cookie.substring(start, end);
},
saveForm: function saveForm(cookieName, formId, additionalData, cookieAttributes) {
var form = document.querySelector("#".concat(formId));
if (!form || !form.elements || !form.elements.length) {
return;
}
var cookieVal = null;
var formVal = formId;
if (additionalData) {
formVal += "/=".concat(additionalData);
cookieVal = '';
}
var _iterator = _createForOfIteratorHelper(form.elements),
_step;
try {
for (_iterator.s(); !(_step = _iterator.n()).done;) {
var element = _step.value;
if (element.nodeName.toLowerCase() === 'form') {
continue;
} // Don't do nested forms.
var elementValue = null;
var singleSelect = false;
switch (element.type) {
case 'checkbox':
case 'radio':
{
elementValue = element.checked ? 'T' : 'F';
break;
}
case 'select-one':
{
singleSelect = true;
}
/* fall through*/
// eslint-disable-next-line no-fallthrough
case 'select-multiple':
{
for (var j = 0; j < element.length; j++) {
if (element[j].selected) {
if (elementValue === null) {
elementValue = String(j);
if (singleSelect) {
break;
}
} else {
elementValue = "".concat(elementValue, "/").concat(j);
}
}
}
break;
}
// case 'file': // Is read-only anyway, we cannot set it (security policies)
case 'text':
case 'password':
case 'textarea':
{
elementValue = element.value;
if (elementValue === null) {
elementValue = '';
}
break;
}
default:
{
// We don't do 'hidden' inputs. We also don't do buttons yet. Would we need to?
break;
}
} // end switch
if (elementValue !== null) {
var thisItem = element.id;
if (!thisItem || !thisItem.length) {
thisItem = element.name;
}
thisItem += "/".concat(element.type, "=").concat(elementValue);
if (!cookieVal || !cookieVal.length) {
cookieVal = thisItem;
} else {
cookieVal += "\f".concat(thisItem);
}
}
} // end for
} catch (err) {
_iterator.e(err);
} finally {
_iterator.f();
}
if (cookieVal) {
document.cookie = "".concat(cookieName, "=").concat(encodeURIComponent("".concat(formVal, "\f").concat(cookieVal))).concat(cookieAttributes || '');
}
},
readForm: function readForm(cookieName) {
try {
var cookie = FormRestorer.getCookie(cookieName);
if (cookie.length < 3) {
return null;
}
var pairs = decodeURIComponent(cookie).split('\f');
if (pairs.length < 2) {
return null;
}
var values = [pairs.length];
// First one is the form id
for (var i = 0; i < pairs.length; i++) {
var j = pairs[i].indexOf('=');
var k = pairs[i].lastIndexOf('/', j);
if (j < 0 || k < 0) {
values[i] = null;
continue;
}
var elementName = pairs[i].substring(0, k);
var elementType = pairs[i].substring(k + 1, j);
var val = pairs[i].substring(j + 1);
var value = null;
switch (elementType) {
case 'checkbox':
case 'radio':
{
value = val === 'T';
break;
}
case 'select-one':
{
value = Number(val);
break;
}
case 'select-multiple':
{
{
var numbers = val.split('/');
value = [numbers.length];
for (j = 0; j < numbers.length; j++) {
value[j] = Number(numbers[j]);
}
}
break;
}
default:
{
value = val;
break;
}
} // end switch
values[i] = {
id: elementName,
type: elementType,
val: value
};
} // end for
return values;
} catch (_unused) {
return null;
}
}
};
// end FormRestorer
})();
/* </nowiki> */