UNPKG

21.3 kBJavaScriptView Raw
1/*!
2 localForage -- Offline Storage, Improved
3 Version 1.5.7
4 https://localforage.github.io/localForage
5 (c) 2013-2017 Mozilla, Apache License 2.0
6*/
7!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.localforage=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c||a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){"use strict";function d(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function e(){try{if("undefined"!=typeof indexedDB)return indexedDB;if("undefined"!=typeof webkitIndexedDB)return webkitIndexedDB;if("undefined"!=typeof mozIndexedDB)return mozIndexedDB;if("undefined"!=typeof OIndexedDB)return OIndexedDB;if("undefined"!=typeof msIndexedDB)return msIndexedDB}catch(a){return}}function f(){try{if(!la)return!1;var a="undefined"!=typeof openDatabase&&/(Safari|iPhone|iPad|iPod)/.test(navigator.userAgent)&&!/Chrome/.test(navigator.userAgent)&&!/BlackBerry/.test(navigator.platform),b="function"==typeof fetch&&-1!==fetch.toString().indexOf("[native code");return(!a||b)&&"undefined"!=typeof indexedDB&&"undefined"!=typeof IDBKeyRange}catch(a){return!1}}function g(a,b){a=a||[],b=b||{};try{return new Blob(a,b)}catch(f){if("TypeError"!==f.name)throw f;for(var c="undefined"!=typeof BlobBuilder?BlobBuilder:"undefined"!=typeof MSBlobBuilder?MSBlobBuilder:"undefined"!=typeof MozBlobBuilder?MozBlobBuilder:WebKitBlobBuilder,d=new c,e=0;e<a.length;e+=1)d.append(a[e]);return d.getBlob(b.type)}}function h(a,b){b&&a.then(function(a){b(null,a)},function(a){b(a)})}function i(a,b,c){"function"==typeof b&&a.then(b),"function"==typeof c&&a.catch(c)}function j(a){return"string"!=typeof a&&(console.warn(a+" used as a key, but it is not a string."),a=String(a)),a}function k(a){for(var b=a.length,c=new ArrayBuffer(b),d=new Uint8Array(c),e=0;e<b;e++)d[e]=a.charCodeAt(e);return c}function l(a){return new oa(function(b){var c=a.transaction(pa,sa),d=g([""]);c.objectStore(pa).put(d,"key"),c.onabort=function(a){a.preventDefault(),a.stopPropagation(),b(!1)},c.oncomplete=function(){var a=navigator.userAgent.match(/Chrome\/(\d+)/),c=navigator.userAgent.match(/Edge\//);b(c||!a||parseInt(a[1],10)>=43)}}).catch(function(){return!1})}function m(a){return"boolean"==typeof ma?oa.resolve(ma):l(a).then(function(a){return ma=a})}function n(a){var b=na[a.name],c={};c.promise=new oa(function(a){c.resolve=a}),b.deferredOperations.push(c),b.dbReady?b.dbReady=b.dbReady.then(function(){return c.promise}):b.dbReady=c.promise}function o(a){var b=na[a.name],c=b.deferredOperations.pop();c&&c.resolve()}function p(a,b){var c=na[a.name],d=c.deferredOperations.pop();d&&d.reject(b)}function q(a,b){return new oa(function(c,d){if(a.db){if(!b)return c(a.db);n(a),a.db.close()}var e=[a.name];b&&e.push(a.version);var f=la.open.apply(la,e);b&&(f.onupgradeneeded=function(b){var c=f.result;try{c.createObjectStore(a.storeName),b.oldVersion<=1&&c.createObjectStore(pa)}catch(c){if("ConstraintError"!==c.name)throw c;console.warn('The database "'+a.name+'" has been upgraded from version '+b.oldVersion+" to version "+b.newVersion+', but the storage "'+a.storeName+'" already exists.')}}),f.onerror=function(a){a.preventDefault(),d(f.error)},f.onsuccess=function(){c(f.result),o(a)}})}function r(a){return q(a,!1)}function s(a){return q(a,!0)}function t(a,b){if(!a.db)return!0;var c=!a.db.objectStoreNames.contains(a.storeName),d=a.version<a.db.version,e=a.version>a.db.version;if(d&&(a.version!==b&&console.warn('The database "'+a.name+"\" can't be downgraded from version "+a.db.version+" to version "+a.version+"."),a.version=a.db.version),e||c){if(c){var f=a.db.version+1;f>a.version&&(a.version=f)}return!0}return!1}function u(a){return new oa(function(b,c){var d=new FileReader;d.onerror=c,d.onloadend=function(c){var d=btoa(c.target.result||"");b({__local_forage_encoded_blob:!0,data:d,type:a.type})},d.readAsBinaryString(a)})}function v(a){return g([k(atob(a.data))],{type:a.type})}function w(a){return a&&a.__local_forage_encoded_blob}function x(a){var b=this,c=b._initReady().then(function(){var a=na[b._dbInfo.name];if(a&&a.dbReady)return a.dbReady});return i(c,a,a),c}function y(a){n(a);for(var b=na[a.name],c=b.forages,d=0;d<c.length;d++)c[d]._dbInfo.db&&(c[d]._dbInfo.db.close(),c[d]._dbInfo.db=null);return q(a,!1).then(function(a){for(var b=0;b<c.length;b++)c[b]._dbInfo.db=a}).catch(function(b){throw p(a,b),b})}function z(a,b,c){try{var d=a.db.transaction(a.storeName,b);c(null,d)}catch(d){if(!a.db||"InvalidStateError"===d.name)return y(a).then(function(){var d=a.db.transaction(a.storeName,b);c(null,d)});c(d)}}function A(a){function b(){return oa.resolve()}var c=this,d={db:null};if(a)for(var e in a)d[e]=a[e];na||(na={});var f=na[d.name];f||(f={forages:[],db:null,dbReady:null,deferredOperations:[]},na[d.name]=f),f.forages.push(c),c._initReady||(c._initReady=c.ready,c.ready=x);for(var g=[],h=0;h<f.forages.length;h++){var i=f.forages[h];i!==c&&g.push(i._initReady().catch(b))}var j=f.forages.slice(0);return oa.all(g).then(function(){return d.db=f.db,r(d)}).then(function(a){return d.db=a,t(d,c._defaultConfig.version)?s(d):a}).then(function(a){d.db=f.db=a,c._dbInfo=d;for(var b=0;b<j.length;b++){var e=j[b];e!==c&&(e._dbInfo.db=d.db,e._dbInfo.version=d.version)}})}function B(a,b){var c=this;a=j(a);var d=new oa(function(b,d){c.ready().then(function(){z(c._dbInfo,ra,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.get(a);h.onsuccess=function(){var a=h.result;void 0===a&&(a=null),w(a)&&(a=v(a)),b(a)},h.onerror=function(){d(h.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function C(a,b){var c=this,d=new oa(function(b,d){c.ready().then(function(){z(c._dbInfo,ra,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.openCursor(),i=1;h.onsuccess=function(){var c=h.result;if(c){var d=c.value;w(d)&&(d=v(d));var e=a(d,c.key,i++);void 0!==e?b(e):c.continue()}else b()},h.onerror=function(){d(h.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function D(a,b,c){var d=this;a=j(a);var e=new oa(function(c,e){var f;d.ready().then(function(){return f=d._dbInfo,"[object Blob]"===qa.call(b)?m(f.db).then(function(a){return a?b:u(b)}):b}).then(function(b){z(d._dbInfo,sa,function(f,g){if(f)return e(f);try{var h=g.objectStore(d._dbInfo.storeName);null===b&&(b=void 0);var i=h.put(b,a);g.oncomplete=function(){void 0===b&&(b=null),c(b)},g.onabort=g.onerror=function(){var a=i.error?i.error:i.transaction.error;e(a)}}catch(a){e(a)}})}).catch(e)});return h(e,c),e}function E(a,b){var c=this;a=j(a);var d=new oa(function(b,d){c.ready().then(function(){z(c._dbInfo,sa,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=g.delete(a);f.oncomplete=function(){b()},f.onerror=function(){d(h.error)},f.onabort=function(){var a=h.error?h.error:h.transaction.error;d(a)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function F(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){z(b._dbInfo,sa,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.clear();e.oncomplete=function(){a()},e.onabort=e.onerror=function(){var a=g.error?g.error:g.transaction.error;c(a)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function G(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){z(b._dbInfo,ra,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.count();g.onsuccess=function(){a(g.result)},g.onerror=function(){c(g.error)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function H(a,b){var c=this,d=new oa(function(b,d){if(a<0)return void b(null);c.ready().then(function(){z(c._dbInfo,ra,function(e,f){if(e)return d(e);try{var g=f.objectStore(c._dbInfo.storeName),h=!1,i=g.openCursor();i.onsuccess=function(){var c=i.result;if(!c)return void b(null);0===a?b(c.key):h?b(c.key):(h=!0,c.advance(a))},i.onerror=function(){d(i.error)}}catch(a){d(a)}})}).catch(d)});return h(d,b),d}function I(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){z(b._dbInfo,ra,function(d,e){if(d)return c(d);try{var f=e.objectStore(b._dbInfo.storeName),g=f.openCursor(),h=[];g.onsuccess=function(){var b=g.result;if(!b)return void a(h);h.push(b.key),b.continue()},g.onerror=function(){c(g.error)}}catch(a){c(a)}})}).catch(c)});return h(c,a),c}function J(){return"function"==typeof openDatabase}function K(a){var b,c,d,e,f,g=.75*a.length,h=a.length,i=0;"="===a[a.length-1]&&(g--,"="===a[a.length-2]&&g--);var j=new ArrayBuffer(g),k=new Uint8Array(j);for(b=0;b<h;b+=4)c=ua.indexOf(a[b]),d=ua.indexOf(a[b+1]),e=ua.indexOf(a[b+2]),f=ua.indexOf(a[b+3]),k[i++]=c<<2|d>>4,k[i++]=(15&d)<<4|e>>2,k[i++]=(3&e)<<6|63&f;return j}function L(a){var b,c=new Uint8Array(a),d="";for(b=0;b<c.length;b+=3)d+=ua[c[b]>>2],d+=ua[(3&c[b])<<4|c[b+1]>>4],d+=ua[(15&c[b+1])<<2|c[b+2]>>6],d+=ua[63&c[b+2]];return c.length%3==2?d=d.substring(0,d.length-1)+"=":c.length%3==1&&(d=d.substring(0,d.length-2)+"=="),d}function M(a,b){var c="";if(a&&(c=La.call(a)),a&&("[object ArrayBuffer]"===c||a.buffer&&"[object ArrayBuffer]"===La.call(a.buffer))){var d,e=xa;a instanceof ArrayBuffer?(d=a,e+=za):(d=a.buffer,"[object Int8Array]"===c?e+=Ba:"[object Uint8Array]"===c?e+=Ca:"[object Uint8ClampedArray]"===c?e+=Da:"[object Int16Array]"===c?e+=Ea:"[object Uint16Array]"===c?e+=Ga:"[object Int32Array]"===c?e+=Fa:"[object Uint32Array]"===c?e+=Ha:"[object Float32Array]"===c?e+=Ia:"[object Float64Array]"===c?e+=Ja:b(new Error("Failed to get type for BinaryArray"))),b(e+L(d))}else if("[object Blob]"===c){var f=new FileReader;f.onload=function(){var c=va+a.type+"~"+L(this.result);b(xa+Aa+c)},f.readAsArrayBuffer(a)}else try{b(JSON.stringify(a))}catch(c){console.error("Couldn't convert value into a JSON string: ",a),b(null,c)}}function N(a){if(a.substring(0,ya)!==xa)return JSON.parse(a);var b,c=a.substring(Ka),d=a.substring(ya,Ka);if(d===Aa&&wa.test(c)){var e=c.match(wa);b=e[1],c=c.substring(e[0].length)}var f=K(c);switch(d){case za:return f;case Aa:return g([f],{type:b});case Ba:return new Int8Array(f);case Ca:return new Uint8Array(f);case Da:return new Uint8ClampedArray(f);case Ea:return new Int16Array(f);case Ga:return new Uint16Array(f);case Fa:return new Int32Array(f);case Ha:return new Uint32Array(f);case Ia:return new Float32Array(f);case Ja:return new Float64Array(f);default:throw new Error("Unkown type: "+d)}}function O(a){var b=this,c={db:null};if(a)for(var d in a)c[d]="string"!=typeof a[d]?a[d].toString():a[d];var e=new oa(function(a,d){try{c.db=openDatabase(c.name,String(c.version),c.description,c.size)}catch(a){return d(a)}c.db.transaction(function(e){e.executeSql("CREATE TABLE IF NOT EXISTS "+c.storeName+" (id INTEGER PRIMARY KEY, key unique, value)",[],function(){b._dbInfo=c,a()},function(a,b){d(b)})})});return c.serializer=Ma,e}function P(a,b){var c=this;a=j(a);var d=new oa(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){c.executeSql("SELECT * FROM "+e.storeName+" WHERE key = ? LIMIT 1",[a],function(a,c){var d=c.rows.length?c.rows.item(0).value:null;d&&(d=e.serializer.deserialize(d)),b(d)},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function Q(a,b){var c=this,d=new oa(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){c.executeSql("SELECT * FROM "+e.storeName,[],function(c,d){for(var f=d.rows,g=f.length,h=0;h<g;h++){var i=f.item(h),j=i.value;if(j&&(j=e.serializer.deserialize(j)),void 0!==(j=a(j,i.key,h+1)))return void b(j)}b()},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function R(a,b,c,d){var e=this;a=j(a);var f=new oa(function(f,g){e.ready().then(function(){void 0===b&&(b=null);var h=b,i=e._dbInfo;i.serializer.serialize(b,function(b,j){j?g(j):i.db.transaction(function(c){c.executeSql("INSERT OR REPLACE INTO "+i.storeName+" (key, value) VALUES (?, ?)",[a,b],function(){f(h)},function(a,b){g(b)})},function(b){if(b.code===b.QUOTA_ERR){if(d>0)return void f(R.apply(e,[a,h,c,d-1]));g(b)}})})}).catch(g)});return h(f,c),f}function S(a,b,c){return R.apply(this,[a,b,c,1])}function T(a,b){var c=this;a=j(a);var d=new oa(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){c.executeSql("DELETE FROM "+e.storeName+" WHERE key = ?",[a],function(){b()},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function U(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){b.executeSql("DELETE FROM "+d.storeName,[],function(){a()},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function V(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){b.executeSql("SELECT COUNT(key) as c FROM "+d.storeName,[],function(b,c){var d=c.rows.item(0).c;a(d)},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function W(a,b){var c=this,d=new oa(function(b,d){c.ready().then(function(){var e=c._dbInfo;e.db.transaction(function(c){c.executeSql("SELECT key FROM "+e.storeName+" WHERE id = ? LIMIT 1",[a+1],function(a,c){var d=c.rows.length?c.rows.item(0).key:null;b(d)},function(a,b){d(b)})})}).catch(d)});return h(d,b),d}function X(a){var b=this,c=new oa(function(a,c){b.ready().then(function(){var d=b._dbInfo;d.db.transaction(function(b){b.executeSql("SELECT key FROM "+d.storeName,[],function(b,c){for(var d=[],e=0;e<c.rows.length;e++)d.push(c.rows.item(e).key);a(d)},function(a,b){c(b)})})}).catch(c)});return h(c,a),c}function Y(){try{return"undefined"!=typeof localStorage&&"setItem"in localStorage&&!!localStorage.setItem}catch(a){return!1}}function Z(){var a="_localforage_support_test";try{return localStorage.setItem(a,!0),localStorage.removeItem(a),!1}catch(a){return!0}}function $(){return!Z()||localStorage.length>0}function _(a){var b=this,c={};if(a)for(var d in a)c[d]=a[d];return c.keyPrefix=c.name+"/",c.storeName!==b._defaultConfig.storeName&&(c.keyPrefix+=c.storeName+"/"),$()?(b._dbInfo=c,c.serializer=Ma,oa.resolve()):oa.reject()}function aa(a){var b=this,c=b.ready().then(function(){for(var a=b._dbInfo.keyPrefix,c=localStorage.length-1;c>=0;c--){var d=localStorage.key(c);0===d.indexOf(a)&&localStorage.removeItem(d)}});return h(c,a),c}function ba(a,b){var c=this;a=j(a);var d=c.ready().then(function(){var b=c._dbInfo,d=localStorage.getItem(b.keyPrefix+a);return d&&(d=b.serializer.deserialize(d)),d});return h(d,b),d}function ca(a,b){var c=this,d=c.ready().then(function(){for(var b=c._dbInfo,d=b.keyPrefix,e=d.length,f=localStorage.length,g=1,h=0;h<f;h++){var i=localStorage.key(h);if(0===i.indexOf(d)){var j=localStorage.getItem(i);if(j&&(j=b.serializer.deserialize(j)),void 0!==(j=a(j,i.substring(e),g++)))return j}}});return h(d,b),d}function da(a,b){var c=this,d=c.ready().then(function(){var b,d=c._dbInfo;try{b=localStorage.key(a)}catch(a){b=null}return b&&(b=b.substring(d.keyPrefix.length)),b});return h(d,b),d}function ea(a){var b=this,c=b.ready().then(function(){for(var a=b._dbInfo,c=localStorage.length,d=[],e=0;e<c;e++){var f=localStorage.key(e);0===f.indexOf(a.keyPrefix)&&d.push(f.substring(a.keyPrefix.length))}return d});return h(c,a),c}function fa(a){var b=this,c=b.keys().then(function(a){return a.length});return h(c,a),c}function ga(a,b){var c=this;a=j(a);var d=c.ready().then(function(){var b=c._dbInfo;localStorage.removeItem(b.keyPrefix+a)});return h(d,b),d}function ha(a,b,c){var d=this;a=j(a);var e=d.ready().then(function(){void 0===b&&(b=null);var c=b;return new oa(function(e,f){var g=d._dbInfo;g.serializer.serialize(b,function(b,d){if(d)f(d);else try{localStorage.setItem(g.keyPrefix+a,b),e(c)}catch(a){"QuotaExceededError"!==a.name&&"NS_ERROR_DOM_QUOTA_REACHED"!==a.name||f(a),f(a)}})})});return h(e,c),e}function ia(a,b){a[b]=function(){var c=arguments;return a.ready().then(function(){return a[b].apply(a,c)})}}function ja(){for(var a=1;a<arguments.length;a++){var b=arguments[a];if(b)for(var c in b)b.hasOwnProperty(c)&&(Pa(b[c])?arguments[0][c]=b[c].slice():arguments[0][c]=b[c])}return arguments[0]}var ka="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},la=e();"undefined"==typeof Promise&&a("lie/polyfill");var ma,na,oa=Promise,pa="local-forage-detect-blob-support",qa=Object.prototype.toString,ra="readonly",sa="readwrite",ta={_driver:"asyncStorage",_initStorage:A,_support:f(),iterate:C,getItem:B,setItem:D,removeItem:E,clear:F,length:G,key:H,keys:I},ua="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",va="~~local_forage_type~",wa=/^~~local_forage_type~([^~]+)~/,xa="__lfsc__:",ya=xa.length,za="arbf",Aa="blob",Ba="si08",Ca="ui08",Da="uic8",Ea="si16",Fa="si32",Ga="ur16",Ha="ui32",Ia="fl32",Ja="fl64",Ka=ya+za.length,La=Object.prototype.toString,Ma={serialize:M,deserialize:N,stringToBuffer:K,bufferToString:L},Na={_driver:"webSQLStorage",_initStorage:O,_support:J(),iterate:Q,getItem:P,setItem:S,removeItem:T,clear:U,length:V,key:W,keys:X},Oa={_driver:"localStorageWrapper",_initStorage:_,_support:Y(),iterate:ca,getItem:ba,setItem:ha,removeItem:ga,clear:aa,length:fa,key:da,keys:ea},Pa=Array.isArray||function(a){return"[object Array]"===Object.prototype.toString.call(a)},Qa={},Ra={},Sa={INDEXEDDB:ta,WEBSQL:Na,LOCALSTORAGE:Oa},Ta=[Sa.INDEXEDDB._driver,Sa.WEBSQL._driver,Sa.LOCALSTORAGE._driver],Ua=["clear","getItem","iterate","key","keys","length","removeItem","setItem"],Va={description:"",driver:Ta.slice(),name:"localforage",size:4980736,storeName:"keyvaluepairs",version:1},Wa=function(){function a(b){d(this,a);for(var c in Sa)if(Sa.hasOwnProperty(c)){var e=Sa[c],f=e._driver;this[c]=f,Qa[f]||this.defineDriver(e)}this._defaultConfig=ja({},Va),this._config=ja({},this._defaultConfig,b),this._driverSet=null,this._initDriver=null,this._ready=!1,this._dbInfo=null,this._wrapLibraryMethodsWithReady(),this.setDriver(this._config.driver).catch(function(){})}return a.prototype.config=function(a){if("object"===(void 0===a?"undefined":ka(a))){if(this._ready)return new Error("Can't call config() after localforage has been used.");for(var b in a){if("storeName"===b&&(a[b]=a[b].replace(/\W/g,"_")),"version"===b&&"number"!=typeof a[b])return new Error("Database version must be a number.");this._config[b]=a[b]}return!("driver"in a&&a.driver)||this.setDriver(this._config.driver)}return"string"==typeof a?this._config[a]:this._config},a.prototype.defineDriver=function(a,b,c){var d=new oa(function(b,c){try{var d=a._driver,e=new Error("Custom driver not compliant; see https://mozilla.github.io/localForage/#definedriver");if(!a._driver)return void c(e);for(var f=Ua.concat("_initStorage"),g=0,h=f.length;g<h;g++){var i=f[g];if(!i||!a[i]||"function"!=typeof a[i])return void c(e)}var j=function(c){Qa[d]&&console.info("Redefining LocalForage driver: "+d),Qa[d]=a,Ra[d]=c,b()};"_support"in a?a._support&&"function"==typeof a._support?a._support().then(j,c):j(!!a._support):j(!0)}catch(a){c(a)}});return i(d,b,c),d},a.prototype.driver=function(){return this._driver||null},a.prototype.getDriver=function(a,b,c){var d=Qa[a]?oa.resolve(Qa[a]):oa.reject(new Error("Driver not found."));return i(d,b,c),d},a.prototype.getSerializer=function(a){var b=oa.resolve(Ma);return i(b,a),b},a.prototype.ready=function(a){var b=this,c=b._driverSet.then(function(){return null===b._ready&&(b._ready=b._initDriver()),b._ready});return i(c,a,a),c},a.prototype.setDriver=function(a,b,c){function d(){g._config.driver=g.driver()}function e(a){return g._extend(a),d(),g._ready=g._initStorage(g._config),g._ready}function f(a){return function(){function b(){for(;c<a.length;){var f=a[c];return c++,g._dbInfo=null,g._ready=null,g.getDriver(f).then(e).catch(b)}d();var h=new Error("No available storage method found.");return g._driverSet=oa.reject(h),g._driverSet}var c=0;return b()}}var g=this;Pa(a)||(a=[a]);var h=this._getSupportedDrivers(a),j=null!==this._driverSet?this._driverSet.catch(function(){return oa.resolve()}):oa.resolve();return this._driverSet=j.then(function(){var a=h[0];return g._dbInfo=null,g._ready=null,g.getDriver(a).then(function(a){g._driver=a._driver,d(),g._wrapLibraryMethodsWithReady(),g._initDriver=f(h)})}).catch(function(){d();var a=new Error("No available storage method found.");return g._driverSet=oa.reject(a),g._driverSet}),i(this._driverSet,b,c),this._driverSet},a.prototype.supports=function(a){return!!Ra[a]},a.prototype._extend=function(a){ja(this,a)},a.prototype._getSupportedDrivers=function(a){for(var b=[],c=0,d=a.length;c<d;c++){var e=a[c];this.supports(e)&&b.push(e)}return b},a.prototype._wrapLibraryMethodsWithReady=function(){for(var a=0,b=Ua.length;a<b;a++)ia(this,Ua[a])},a.prototype.createInstance=function(b){return new a(b)},a}(),Xa=new Wa;b.exports=Xa},{undefined:void 0}]},{},[1])(1)});
\No newline at end of file