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/*!
    localForage -- Offline Storage, Improved
    Version 1.7.3
    https://localforage.github.io/localForage
    (c) 2013-2017 Mozilla, Apache License 2.0
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Float64Array(a);default:throw new Error("Unkown type: "+t)}}var D={serialize:serialize,deserialize:deserialize,stringToBuffer:stringToBuffer,bufferToString:bufferToString};function createDbTable(e,r,t,n){e.executeSql("CREATE TABLE IF NOT EXISTS "+r.storeName+" "+"(id INTEGER PRIMARY KEY, key unique, value)",[],t,n)}function _initStorage$1(e){var r=this;var t={db:null};if(e){for(var n in e){t[n]=typeof e[n]!=="string"?e[n].toString():e[n]}}var o=new a((function(e,n){try{t.db=openDatabase(t.name,String(t.version),t.description,t.size)}catch(e){return n(e)}t.db.transaction((function(o){createDbTable(o,t,(function(){r._dbInfo=t;e()}),(function(e,r){n(r)}))}),n)}));t.serializer=D;return o}function tryExecuteSql(e,r,t,n,o,a){e.executeSql(t,n,o,(function(e,i){if(i.code===i.SYNTAX_ERR){e.executeSql("SELECT name FROM sqlite_master "+"WHERE type='table' AND name = 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r=this;var t=r.ready().then((function(){var e=r._dbInfo.keyPrefix;for(var t=localStorage.length-1;t>=0;t--){var n=localStorage.key(t);if(n.indexOf(e)===0){localStorage.removeItem(n)}}}));executeCallback(t,e);return t}function getItem$2(e,r){var t=this;e=normalizeKey(e);var n=t.ready().then((function(){var r=t._dbInfo;var n=localStorage.getItem(r.keyPrefix+e);if(n){n=r.serializer.deserialize(n)}return n}));executeCallback(n,r);return n}function iterate$2(e,r){var t=this;var n=t.ready().then((function(){var r=t._dbInfo;var n=r.keyPrefix;var o=n.length;var a=localStorage.length;var i=1;for(var c=0;c<a;c++){var u=localStorage.key(c);if(u.indexOf(n)!==0){continue}var f=localStorage.getItem(u);if(f){f=r.serializer.deserialize(f)}f=e(f,u.substring(o),i++);if(f!==void 0){return f}}}));executeCallback(n,r);return n}function key$2(e,r){var t=this;var n=t.ready().then((function(){var r=t._dbInfo;var n;try{n=localStorage.key(e)}catch(e){n=null}if(n){n=n.substring(r.keyPrefix.length)}return 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o}function dropInstance$2(e,r){r=getCallback.apply(this,arguments);e=typeof e!=="function"&&e||{};if(!e.name){var t=this.config();e.name=e.name||t.name;e.storeName=e.storeName||t.storeName}var n=this;var o;if(!e.name){o=a.reject("Invalid arguments")}else{o=new a((function(r){if(!e.storeName){r(e.name+"/")}else{r(_getKeyPrefix(e,n._defaultConfig))}})).then((function(e){for(var r=localStorage.length-1;r>=0;r--){var t=localStorage.key(r);if(t.indexOf(e)===0){localStorage.removeItem(t)}}}))}executeCallback(o,r);return o}var B={_driver:"localStorageWrapper",_initStorage:_initStorage$2,_support:isLocalStorageValid(),iterate:iterate$2,getItem:getItem$2,setItem:setItem$2,removeItem:removeItem$2,clear:clear$2,length:length$2,key:key$2,keys:keys$2,dropInstance:dropInstance$2};var A=function sameValue(e,r){return e===r||typeof e==="number"&&typeof r==="number"&&isNaN(e)&&isNaN(r)};var L=function includes(e,r){var t=e.length;var n=0;while(n<t){if(A(e[n],r)){return true}n++}return false};var O=Array.isArray||function(e){return Object.prototype.toString.call(e)==="[object Array]"};var F={};var z={};var $={INDEXEDDB:v,WEBSQL:j,LOCALSTORAGE:B};var P=[$.INDEXEDDB._driver,$.WEBSQL._driver,$.LOCALSTORAGE._driver];var M=["dropInstance"];var U=["clear","getItem","iterate","key","keys","length","removeItem","setItem"].concat(M);var q={description:"",driver:P.slice(),name:"localforage",size:4980736,storeName:"keyvaluepairs",version:1};function callWhenReady(e,r){e[r]=function(){var t=arguments;return e.ready().then((function(){return e[r].apply(e,t)}))}}function extend(){for(var e=1;e<arguments.length;e++){var r=arguments[e];if(r){for(var t in r){if(r.hasOwnProperty(t)){if(O(r[t])){arguments[0][t]=r[t].slice()}else{arguments[0][t]=r[t]}}}}}return arguments[0]}var W=function(){function LocalForage(e){_classCallCheck(this,LocalForage);for(var r in $){if($.hasOwnProperty(r)){var t=$[r];var n=t._driver;this[r]=n;if(!F[n]){this.defineDriver(t)}}}this._defaultConfig=extend({},q);this._config=extend({},this._defaultConfig,e);this._driverSet=null;this._initDriver=null;this._ready=false;this._dbInfo=null;this._wrapLibraryMethodsWithReady();this.setDriver(this._config.driver)["catch"]((function(){}))}LocalForage.prototype.config=function config(e){if((typeof e==="undefined"?"undefined":n(e))==="object"){if(this._ready){return new Error("Can't call config() after localforage "+"has been used.")}for(var r in e){if(r==="storeName"){e[r]=e[r].replace(/\W/g,"_")}if(r==="version"&&typeof e[r]!=="number"){return new Error("Database version must be a number.")}this._config[r]=e[r]}if("driver"in e&&e.driver){return this.setDriver(this._config.driver)}return true}else if(typeof e==="string"){return this._config[e]}else{return this._config}};LocalForage.prototype.defineDriver=function defineDriver(e,r,t){var n=new a((function(r,t){try{var n=e._driver;var o=new Error("Custom driver not compliant; see "+"https://mozilla.github.io/localForage/#definedriver");if(!e._driver){t(o);return}var i=U.concat("_initStorage");for(var c=0,u=i.length;c<u;c++){var f=i[c];var s=!L(M,f);if((s||e[f])&&typeof e[f]!=="function"){t(o);return}}var l=function configureMissingMethods(){var r=function methodNotImplementedFactory(e){return function(){var r=new Error("Method "+e+" is not implemented by the current driver");var t=a.reject(r);executeCallback(t,arguments[arguments.length-1]);return t}};for(var t=0,n=M.length;t<n;t++){var o=M[t];if(!e[o]){e[o]=r(o)}}};l();var v=function setDriverSupport(t){if(F[n]){console.info("Redefining LocalForage driver: "+n)}F[n]=e;z[n]=t;r()};if("_support"in e){if(e._support&&typeof e._support==="function"){e._support().then(v,t)}else{v(!!e._support)}}else{v(true)}}catch(e){t(e)}}));executeTwoCallbacks(n,r,t);return n};LocalForage.prototype.driver=function driver(){return this._driver||null};LocalForage.prototype.getDriver=function getDriver(e,r,t){var n=F[e]?a.resolve(F[e]):a.reject(new Error("Driver not found."));executeTwoCallbacks(n,r,t);return n};LocalForage.prototype.getSerializer=function getSerializer(e){var r=a.resolve(D);executeTwoCallbacks(r,e);return r};LocalForage.prototype.ready=function ready(e){var r=this;var t=r._driverSet.then((function(){if(r._ready===null){r._ready=r._initDriver()}return r._ready}));executeTwoCallbacks(t,e,e);return t};LocalForage.prototype.setDriver=function setDriver(e,r,t){var n=this;if(!O(e)){e=[e]}var o=this._getSupportedDrivers(e);function setDriverToConfig(){n._config.driver=n.driver()}function extendSelfWithDriver(e){n._extend(e);setDriverToConfig();n._ready=n._initStorage(n._config);return n._ready}function initDriver(e){return function(){var r=0;function driverPromiseLoop(){while(r<e.length){var t=e[r];r++;n._dbInfo=null;n._ready=null;return n.getDriver(t).then(extendSelfWithDriver)["catch"](driverPromiseLoop)}setDriverToConfig();var o=new Error("No available storage method 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_wrapLibraryMethodsWithReady(){for(var e=0,r=U.length;e<r;e++){callWhenReady(this,U[e])}};LocalForage.prototype.createInstance=function createInstance(e){return new LocalForage(e)};return LocalForage}();var K=new W;r.exports=K},{3:3}]},{},[4])(4)}))}).call(this,t(100))}}]);