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76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
// From https://stackoverflow.com/a/12302790/1428034
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window.store = {
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localStoreSupport: function () {
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try {
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return 'localStorage' in window && window['localStorage'] !== null;
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} catch (e) {
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return false;
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}
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},
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set: function (name, value, days) {
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if (days) {
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var date = new Date();
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date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
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var expires = "; expires=" + date.toGMTString();
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}
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else {
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var expires = "";
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}
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if (this.localStoreSupport()) {
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localStorage.setItem(name, value);
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}
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else {
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document.cookie = name + "=" + value + expires + "; path=/";
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}
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},
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get: function (name) {
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if (this.localStoreSupport()) {
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var ret = localStorage.getItem(name);
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//console.log(typeof ret);
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switch (ret) {
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case 'true':
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return true;
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case 'false':
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return false;
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default:
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return ret;
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}
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}
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else {
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// cookie fallback
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/*
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* after adding a cookie like
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* >> document.cookie = "bar=test; expires=Thu, 14 Jun 2018 13:05:38 GMT; path=/"
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* the value of document.cookie may look like
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* >> "foo=value; bar=test"
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*/
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var nameEQ = name + "="; // what we are looking for
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var ca = document.cookie.split(';'); // split into separate cookies
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for (var i = 0; i < ca.length; i++) {
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var c = ca[i]; // the current cookie
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while (c.charAt(0) == ' ') c = c.substring(1, c.length); // remove leading spaces
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if (c.indexOf(nameEQ) == 0) { // if it is the searched cookie
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var ret = c.substring(nameEQ.length, c.length);
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// making "true" and "false" a boolean again.
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switch (ret) {
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case 'true':
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return true;
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case 'false':
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return false;
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default:
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return ret;
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}
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}
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}
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return null; // no cookie found
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}
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},
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del: function (name) {
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if (this.localStoreSupport()) {
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localStorage.removeItem(name);
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}
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else {
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this.set(name, "", -1);
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}
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},
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} |