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(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.low = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
var isPromise = require('is-promise');
module.exports = function (source) {
var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
_ref$format = _ref.format,
format = _ref$format === undefined ? null : _ref$format,
_ref$storage = _ref.storage,
storage = _ref$storage === undefined ? null : _ref$storage,
_ref$writeOnChange = _ref.writeOnChange,
writeOnChange = _ref$writeOnChange === undefined ? true : _ref$writeOnChange;
var lodash = arguments[2];
// Create a fresh copy of lodash
var _ = lodash.runInContext();
var db = _.chain({});
if (source) {
if (format) {
if (format.serialize) {
db.serialize = format.serialize;
}
if (format.deserialize) {
db.deserialize = format.deserialize;
}
}
if (storage) {
if (storage.read) {
db.read = function () {
var s = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : source;
var res = storage.read(s, db.deserialize);
var init = function init(obj) {
db.__wrapped__ = obj;
db._checksum = JSON.stringify(db.__wrapped__);
};
if (isPromise(res)) {
return res.then(function (obj) {
init(obj);
return db;
});
}
init(res);
return db;
};
}
if (storage.write) {
db.write = function () {
var dest = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : source;
return storage.write(dest, db.__wrapped__, db.serialize);
};
}
}
}
// Persist database state
function persist() {
if (db.source && db.write && writeOnChange) {
var str = JSON.stringify(db.__wrapped__);
if (str !== db._checksum) {
db._checksum = str;
db.write(db.source);
}
}
}
// Modify value function to call save before returning result
_.prototype.value = _.wrap(_.prototype.value, function (value) {
var v = value.apply(this);
persist();
return v;
});
// Get or set database state
db.getState = function () {
return db.__wrapped__;
};
db.setState = function (state) {
db.__wrapped__ = state;
persist();
};
db._ = _;
db.source = source;
// Read
if (db.read) {
return db.read();
} else {
return db;
}
};
},{"is-promise":4}],2:[function(require,module,exports){
'use strict';
/* global localStorage */
module.exports = {
read: function read(source) {
var deserialize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : JSON.parse;
var data = localStorage.getItem(source);
if (data) {
return deserialize(data);
} else {
localStorage.setItem(source, '{}');
return {};
}
},
write: function write(dest, obj) {
var serialize = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : JSON.stringify;
return localStorage.setItem(dest, serialize(obj));
}
};
},{}],3:[function(require,module,exports){
'use strict';
var index = require('./_index');
var storage = require('./browser');
module.exports = function low(source) {
var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : { storage: storage };
return index(source, opts, window._);
};
},{"./_index":1,"./browser":2}],4:[function(require,module,exports){
module.exports = isPromise;
function isPromise(obj) {
return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function';
}
},{}]},{},[3])(3)
});
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