64 lines
1.4 KiB
JavaScript
64 lines
1.4 KiB
JavaScript
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(function() {
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this.Autosave = (function() {
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function Autosave(field, key) {
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this.field = field;
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if (key.join != null) {
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key = key.join("/");
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}
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this.key = "autosave/" + key;
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this.field.data("autosave", this);
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this.restore();
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this.field.on("input", (function(_this) {
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return function() {
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return _this.save();
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};
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})(this));
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}
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Autosave.prototype.restore = function() {
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var e, error, text;
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if (window.localStorage == null) {
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return;
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}
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try {
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text = window.localStorage.getItem(this.key);
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} catch (error) {
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e = error;
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return;
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}
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if ((text != null ? text.length : void 0) > 0) {
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this.field.val(text);
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}
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return this.field.trigger("input");
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};
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Autosave.prototype.save = function() {
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var text;
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if (window.localStorage == null) {
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return;
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}
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text = this.field.val();
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if ((text != null ? text.length : void 0) > 0) {
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try {
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return window.localStorage.setItem(this.key, text);
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} catch (undefined) {}
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} else {
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return this.reset();
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}
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};
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Autosave.prototype.reset = function() {
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if (window.localStorage == null) {
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return;
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}
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try {
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return window.localStorage.removeItem(this.key);
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} catch (undefined) {}
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};
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return Autosave;
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})();
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}).call(this);
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