blob: 832716f77a3158dc42f3837b326e67a4aa68297c [file] [log] [blame] [raw]
// Copyright (c) 2012-2017, Matt Godbolt
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
define(function (require) {
"use strict";
var options = require('./options');
var prefix = options.localStoragePrefix || '';
function get(key, ifNotPresent) {
var result;
try {
result = window.localStorage.getItem(prefix + key);
} catch (e) {
// Swallow up any security exceptions...
return ifNotPresent;
}
if (result === null) return ifNotPresent;
return result;
}
function set(key, value) {
try {
window.localStorage.setItem(prefix + key, value);
return true;
} catch (e) {
// Swallow up any security exceptions...
}
return false;
}
function remove(key) {
try {
window.localStorage.removeItem(prefix + key);
} catch (e) {
// Swallow up any security exceptions...
}
}
return {
set: set,
get: get,
remove: remove
};
});