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