gecko-dev/services/common/kinto-offline-client.js

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141 KiB
JavaScript
Исходник Ответственный История

Этот файл содержит неоднозначные символы Юникода!

Этот файл содержит неоднозначные символы Юникода, которые могут быть перепутаны с другими в текущей локали. Если это намеренно, можете спокойно проигнорировать это предупреждение. Используйте кнопку Экранировать, чтобы подсветить эти символы.

/*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* This file is generated from kinto.js - do not modify directly.
*/
this.EXPORTED_SYMBOLS = ["loadKinto"];
/*
* Version 5.1.0 - 8beb61d
*/
(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.loadKinto = 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";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require("babel-runtime/helpers/extends");
var _extends3 = _interopRequireDefault(_extends2);
var _stringify = require("babel-runtime/core-js/json/stringify");
var _stringify2 = _interopRequireDefault(_stringify);
var _promise = require("babel-runtime/core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
exports.reduceRecords = reduceRecords;
var _base = require("../src/adapters/base");
var _base2 = _interopRequireDefault(_base);
var _utils = require("../src/utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Components.utils.import("resource://gre/modules/Sqlite.jsm");
Components.utils.import("resource://gre/modules/Task.jsm");
const SQLITE_PATH = "kinto.sqlite";
const statements = {
"createCollectionData": `
CREATE TABLE collection_data (
collection_name TEXT,
record_id TEXT,
record TEXT
);`,
"createCollectionMetadata": `
CREATE TABLE collection_metadata (
collection_name TEXT PRIMARY KEY,
last_modified INTEGER
) WITHOUT ROWID;`,
"createCollectionDataRecordIdIndex": `
CREATE UNIQUE INDEX unique_collection_record
ON collection_data(collection_name, record_id);`,
"clearData": `
DELETE FROM collection_data
WHERE collection_name = :collection_name;`,
"createData": `
INSERT INTO collection_data (collection_name, record_id, record)
VALUES (:collection_name, :record_id, :record);`,
"updateData": `
INSERT OR REPLACE INTO collection_data (collection_name, record_id, record)
VALUES (:collection_name, :record_id, :record);`,
"deleteData": `
DELETE FROM collection_data
WHERE collection_name = :collection_name
AND record_id = :record_id;`,
"saveLastModified": `
REPLACE INTO collection_metadata (collection_name, last_modified)
VALUES (:collection_name, :last_modified);`,
"getLastModified": `
SELECT last_modified
FROM collection_metadata
WHERE collection_name = :collection_name;`,
"getRecord": `
SELECT record
FROM collection_data
WHERE collection_name = :collection_name
AND record_id = :record_id;`,
"listRecords": `
SELECT record
FROM collection_data
WHERE collection_name = :collection_name;`,
// N.B. we have to have a dynamic number of placeholders, which you
// can't do without building your own statement. See `execute` for details
"listRecordsById": `
SELECT record_id, record
FROM collection_data
WHERE collection_name = ?
AND record_id IN `,
"importData": `
REPLACE INTO collection_data (collection_name, record_id, record)
VALUES (:collection_name, :record_id, :record);`,
"scanAllRecords": `SELECT * FROM collection_data;`,
"clearCollectionMetadata": `DELETE FROM collection_metadata;`
};
const createStatements = ["createCollectionData", "createCollectionMetadata", "createCollectionDataRecordIdIndex"];
const currentSchemaVersion = 1;
/**
* Firefox adapter.
*
* Uses Sqlite as a backing store.
*
* Options:
* - path: the filename/path for the Sqlite database. If absent, use SQLITE_PATH.
*/
class FirefoxAdapter extends _base2.default {
constructor(collection, options = {}) {
super();
const { sqliteHandle = null } = options;
this.collection = collection;
this._connection = sqliteHandle;
this._options = options;
}
// We need to be capable of calling this from "outside" the adapter
// so that someone can initialize a connection and pass it to us in
// adapterOptions.
static _init(connection) {
return Task.spawn(function* () {
yield connection.executeTransaction(function* doSetup() {
const schema = yield connection.getSchemaVersion();
if (schema == 0) {
for (let statementName of createStatements) {
yield connection.execute(statements[statementName]);
}
yield connection.setSchemaVersion(currentSchemaVersion);
} else if (schema != 1) {
throw new Error("Unknown database schema: " + schema);
}
});
return connection;
});
}
_executeStatement(statement, params) {
if (!this._connection) {
throw new Error("The storage adapter is not open");
}
return this._connection.executeCached(statement, params);
}
open() {
const self = this;
return Task.spawn(function* () {
if (!self._connection) {
const path = self._options.path || SQLITE_PATH;
const opts = { path, sharedMemoryCache: false };
self._connection = yield Sqlite.openConnection(opts).then(FirefoxAdapter._init);
}
});
}
close() {
if (this._connection) {
const promise = this._connection.close();
this._connection = null;
return promise;
}
return _promise2.default.resolve();
}
clear() {
const params = { collection_name: this.collection };
return this._executeStatement(statements.clearData, params);
}
execute(callback, options = { preload: [] }) {
if (!this._connection) {
throw new Error("The storage adapter is not open");
}
let result;
const conn = this._connection;
const collection = this.collection;
return conn.executeTransaction(function* doExecuteTransaction() {
// Preload specified records from DB, within transaction.
const parameters = [collection, ...options.preload];
const placeholders = options.preload.map(_ => "?");
const stmt = statements.listRecordsById + "(" + placeholders.join(",") + ");";
const rows = yield conn.execute(stmt, parameters);
const preloaded = rows.reduce((acc, row) => {
const record = JSON.parse(row.getResultByName("record"));
acc[row.getResultByName("record_id")] = record;
return acc;
}, {});
const proxy = transactionProxy(collection, preloaded);
result = callback(proxy);
for (let { statement, params } of proxy.operations) {
yield conn.executeCached(statement, params);
}
}, conn.TRANSACTION_EXCLUSIVE).then(_ => result);
}
get(id) {
const params = {
collection_name: this.collection,
record_id: id
};
return this._executeStatement(statements.getRecord, params).then(result => {
if (result.length == 0) {
return;
}
return JSON.parse(result[0].getResultByName("record"));
});
}
list(params = { filters: {}, order: "" }) {
const parameters = {
collection_name: this.collection
};
return this._executeStatement(statements.listRecords, parameters).then(result => {
const records = [];
for (let k = 0; k < result.length; k++) {
const row = result[k];
records.push(JSON.parse(row.getResultByName("record")));
}
return records;
}).then(results => {
// The resulting list of records is filtered and sorted.
// XXX: with some efforts, this could be implemented using SQL.
return reduceRecords(params.filters, params.order, results);
});
}
/**
* Load a list of records into the local database.
*
* Note: The adapter is not in charge of filtering the already imported
* records. This is done in `Collection#loadDump()`, as a common behaviour
* between every adapters.
*
* @param {Array} records.
* @return {Array} imported records.
*/
loadDump(records) {
const connection = this._connection;
const collection_name = this.collection;
return Task.spawn(function* () {
yield connection.executeTransaction(function* doImport() {
for (let record of records) {
const params = {
collection_name: collection_name,
record_id: record.id,
record: (0, _stringify2.default)(record)
};
yield connection.execute(statements.importData, params);
}
const lastModified = Math.max(...records.map(record => record.last_modified));
const params = {
collection_name: collection_name
};
const previousLastModified = yield connection.execute(statements.getLastModified, params).then(result => {
return result.length > 0 ? result[0].getResultByName("last_modified") : -1;
});
if (lastModified > previousLastModified) {
const params = {
collection_name: collection_name,
last_modified: lastModified
};
yield connection.execute(statements.saveLastModified, params);
}
});
return records;
});
}
saveLastModified(lastModified) {
const parsedLastModified = parseInt(lastModified, 10) || null;
const params = {
collection_name: this.collection,
last_modified: parsedLastModified
};
return this._executeStatement(statements.saveLastModified, params).then(() => parsedLastModified);
}
getLastModified() {
const params = {
collection_name: this.collection
};
return this._executeStatement(statements.getLastModified, params).then(result => {
if (result.length == 0) {
return 0;
}
return result[0].getResultByName("last_modified");
});
}
/**
* Reset the sync status of every record and collection we have
* access to.
*/
resetSyncStatus() {
// We're going to use execute instead of executeCached, so build
// in our own sanity check
if (!this._connection) {
throw new Error("The storage adapter is not open");
}
return this._connection.executeTransaction(function* (conn) {
const promises = [];
yield conn.execute(statements.scanAllRecords, null, function (row) {
const record = JSON.parse(row.getResultByName("record"));
const record_id = row.getResultByName("record_id");
const collection_name = row.getResultByName("collection_name");
if (record._status === "deleted") {
// Garbage collect deleted records.
promises.push(conn.execute(statements.deleteData, { collection_name, record_id }));
} else {
const newRecord = (0, _extends3.default)({}, record, {
_status: "created",
last_modified: undefined
});
promises.push(conn.execute(statements.updateData, { record: (0, _stringify2.default)(newRecord), record_id, collection_name }));
}
});
yield _promise2.default.all(promises);
yield conn.execute(statements.clearCollectionMetadata);
});
}
}
exports.default = FirefoxAdapter;
function transactionProxy(collection, preloaded) {
const _operations = [];
return {
get operations() {
return _operations;
},
create(record) {
_operations.push({
statement: statements.createData,
params: {
collection_name: collection,
record_id: record.id,
record: (0, _stringify2.default)(record)
}
});
},
update(record) {
_operations.push({
statement: statements.updateData,
params: {
collection_name: collection,
record_id: record.id,
record: (0, _stringify2.default)(record)
}
});
},
delete(id) {
_operations.push({
statement: statements.deleteData,
params: {
collection_name: collection,
record_id: id
}
});
},
get(id) {
// Gecko JS engine outputs undesired warnings if id is not in preloaded.
return id in preloaded ? preloaded[id] : undefined;
}
};
}
/**
* Filter and sort list against provided filters and order.
*
* @param {Object} filters The filters to apply.
* @param {String} order The order to apply.
* @param {Array} list The list to reduce.
* @return {Array}
*/
function reduceRecords(filters, order, list) {
const filtered = filters ? (0, _utils.filterObjects)(filters, list) : list;
return order ? (0, _utils.sortObjects)(order, filtered) : filtered;
}
},{"../src/adapters/base":85,"../src/utils":87,"babel-runtime/core-js/json/stringify":3,"babel-runtime/core-js/promise":6,"babel-runtime/helpers/extends":8}],2:[function(require,module,exports){
/*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require("babel-runtime/helpers/extends");
var _extends3 = _interopRequireDefault(_extends2);
exports.default = loadKinto;
var _base = require("../src/adapters/base");
var _base2 = _interopRequireDefault(_base);
var _KintoBase = require("../src/KintoBase");
var _KintoBase2 = _interopRequireDefault(_KintoBase);
var _FirefoxStorage = require("./FirefoxStorage");
var _FirefoxStorage2 = _interopRequireDefault(_FirefoxStorage);
var _utils = require("../src/utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
function loadKinto() {
const { EventEmitter } = Cu.import("resource://devtools/shared/event-emitter.js", {});
const { generateUUID } = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
// Use standalone kinto-http module landed in FFx.
const { KintoHttpClient } = Cu.import("resource://services-common/kinto-http-client.js");
Cu.import("resource://gre/modules/Timer.jsm");
Cu.importGlobalProperties(['fetch']);
// Leverage Gecko service to generate UUIDs.
function makeIDSchema() {
return {
validate: _utils.RE_UUID.test.bind(_utils.RE_UUID),
generate: function () {
return generateUUID().toString().replace(/[{}]/g, "");
}
};
}
class KintoFX extends _KintoBase2.default {
static get adapters() {
return {
BaseAdapter: _base2.default,
FirefoxAdapter: _FirefoxStorage2.default
};
}
constructor(options = {}) {
const emitter = {};
EventEmitter.decorate(emitter);
const defaults = {
events: emitter,
ApiClass: KintoHttpClient,
adapter: _FirefoxStorage2.default
};
const expandedOptions = (0, _extends3.default)({}, defaults, options);
super(expandedOptions);
}
collection(collName, options = {}) {
const idSchema = makeIDSchema();
const expandedOptions = (0, _extends3.default)({ idSchema }, options);
return super.collection(collName, expandedOptions);
}
}
return KintoFX;
}
// This fixes compatibility with CommonJS required by browserify.
// See http://stackoverflow.com/questions/33505992/babel-6-changes-how-it-exports-default/33683495#33683495
if (typeof module === "object") {
module.exports = loadKinto;
}
},{"../src/KintoBase":83,"../src/adapters/base":85,"../src/utils":87,"./FirefoxStorage":1,"babel-runtime/helpers/extends":8}],3:[function(require,module,exports){
module.exports = { "default": require("core-js/library/fn/json/stringify"), __esModule: true };
},{"core-js/library/fn/json/stringify":10}],4:[function(require,module,exports){
module.exports = { "default": require("core-js/library/fn/object/assign"), __esModule: true };
},{"core-js/library/fn/object/assign":11}],5:[function(require,module,exports){
module.exports = { "default": require("core-js/library/fn/object/keys"), __esModule: true };
},{"core-js/library/fn/object/keys":12}],6:[function(require,module,exports){
module.exports = { "default": require("core-js/library/fn/promise"), __esModule: true };
},{"core-js/library/fn/promise":13}],7:[function(require,module,exports){
"use strict";
exports.__esModule = true;
var _promise = require("../core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = function (fn) {
return function () {
var gen = fn.apply(this, arguments);
return new _promise2.default(function (resolve, reject) {
function step(key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
return _promise2.default.resolve(value).then(function (value) {
return step("next", value);
}, function (err) {
return step("throw", err);
});
}
}
return step("next");
});
};
};
},{"../core-js/promise":6}],8:[function(require,module,exports){
"use strict";
exports.__esModule = true;
var _assign = require("../core-js/object/assign");
var _assign2 = _interopRequireDefault(_assign);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
exports.default = _assign2.default || function (target) {
for (var i = 1; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (Object.prototype.hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target;
};
},{"../core-js/object/assign":4}],9:[function(require,module,exports){
},{}],10:[function(require,module,exports){
var core = require('../../modules/_core')
, $JSON = core.JSON || (core.JSON = {stringify: JSON.stringify});
module.exports = function stringify(it){ // eslint-disable-line no-unused-vars
return $JSON.stringify.apply($JSON, arguments);
};
},{"../../modules/_core":21}],11:[function(require,module,exports){
require('../../modules/es6.object.assign');
module.exports = require('../../modules/_core').Object.assign;
},{"../../modules/_core":21,"../../modules/es6.object.assign":77}],12:[function(require,module,exports){
require('../../modules/es6.object.keys');
module.exports = require('../../modules/_core').Object.keys;
},{"../../modules/_core":21,"../../modules/es6.object.keys":78}],13:[function(require,module,exports){
require('../modules/es6.object.to-string');
require('../modules/es6.string.iterator');
require('../modules/web.dom.iterable');
require('../modules/es6.promise');
module.exports = require('../modules/_core').Promise;
},{"../modules/_core":21,"../modules/es6.object.to-string":79,"../modules/es6.promise":80,"../modules/es6.string.iterator":81,"../modules/web.dom.iterable":82}],14:[function(require,module,exports){
module.exports = function(it){
if(typeof it != 'function')throw TypeError(it + ' is not a function!');
return it;
};
},{}],15:[function(require,module,exports){
module.exports = function(){ /* empty */ };
},{}],16:[function(require,module,exports){
module.exports = function(it, Constructor, name, forbiddenField){
if(!(it instanceof Constructor) || (forbiddenField !== undefined && forbiddenField in it)){
throw TypeError(name + ': incorrect invocation!');
} return it;
};
},{}],17:[function(require,module,exports){
var isObject = require('./_is-object');
module.exports = function(it){
if(!isObject(it))throw TypeError(it + ' is not an object!');
return it;
};
},{"./_is-object":38}],18:[function(require,module,exports){
// false -> Array#indexOf
// true -> Array#includes
var toIObject = require('./_to-iobject')
, toLength = require('./_to-length')
, toIndex = require('./_to-index');
module.exports = function(IS_INCLUDES){
return function($this, el, fromIndex){
var O = toIObject($this)
, length = toLength(O.length)
, index = toIndex(fromIndex, length)
, value;
// Array#includes uses SameValueZero equality algorithm
if(IS_INCLUDES && el != el)while(length > index){
value = O[index++];
if(value != value)return true;
// Array#toIndex ignores holes, Array#includes - not
} else for(;length > index; index++)if(IS_INCLUDES || index in O){
if(O[index] === el)return IS_INCLUDES || index || 0;
} return !IS_INCLUDES && -1;
};
};
},{"./_to-index":67,"./_to-iobject":69,"./_to-length":70}],19:[function(require,module,exports){
// getting tag from 19.1.3.6 Object.prototype.toString()
var cof = require('./_cof')
, TAG = require('./_wks')('toStringTag')
// ES3 wrong here
, ARG = cof(function(){ return arguments; }()) == 'Arguments';
// fallback for IE11 Script Access Denied error
var tryGet = function(it, key){
try {
return it[key];
} catch(e){ /* empty */ }
};
module.exports = function(it){
var O, T, B;
return it === undefined ? 'Undefined' : it === null ? 'Null'
// @@toStringTag case
: typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T
// builtinTag case
: ARG ? cof(O)
// ES3 arguments fallback
: (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
};
},{"./_cof":20,"./_wks":74}],20:[function(require,module,exports){
var toString = {}.toString;
module.exports = function(it){
return toString.call(it).slice(8, -1);
};
},{}],21:[function(require,module,exports){
var core = module.exports = {version: '2.4.0'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
},{}],22:[function(require,module,exports){
// optional / simple context binding
var aFunction = require('./_a-function');
module.exports = function(fn, that, length){
aFunction(fn);
if(that === undefined)return fn;
switch(length){
case 1: return function(a){
return fn.call(that, a);
};
case 2: return function(a, b){
return fn.call(that, a, b);
};
case 3: return function(a, b, c){
return fn.call(that, a, b, c);
};
}
return function(/* ...args */){
return fn.apply(that, arguments);
};
};
},{"./_a-function":14}],23:[function(require,module,exports){
// 7.2.1 RequireObjectCoercible(argument)
module.exports = function(it){
if(it == undefined)throw TypeError("Can't call method on " + it);
return it;
};
},{}],24:[function(require,module,exports){
// Thank's IE8 for his funny defineProperty
module.exports = !require('./_fails')(function(){
return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_fails":28}],25:[function(require,module,exports){
var isObject = require('./_is-object')
, document = require('./_global').document
// in old IE typeof document.createElement is 'object'
, is = isObject(document) && isObject(document.createElement);
module.exports = function(it){
return is ? document.createElement(it) : {};
};
},{"./_global":30,"./_is-object":38}],26:[function(require,module,exports){
// IE 8- don't enum bug keys
module.exports = (
'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');
},{}],27:[function(require,module,exports){
var global = require('./_global')
, core = require('./_core')
, ctx = require('./_ctx')
, hide = require('./_hide')
, PROTOTYPE = 'prototype';
var $export = function(type, name, source){
var IS_FORCED = type & $export.F
, IS_GLOBAL = type & $export.G
, IS_STATIC = type & $export.S
, IS_PROTO = type & $export.P
, IS_BIND = type & $export.B
, IS_WRAP = type & $export.W
, exports = IS_GLOBAL ? core : core[name] || (core[name] = {})
, expProto = exports[PROTOTYPE]
, target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
, key, own, out;
if(IS_GLOBAL)source = name;
for(key in source){
// contains in native
own = !IS_FORCED && target && target[key] !== undefined;
if(own && key in exports)continue;
// export native or passed
out = own ? target[key] : source[key];
// prevent global pollution for namespaces
exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
// bind timers to global for call from export context
: IS_BIND && own ? ctx(out, global)
// wrap global constructors for prevent change them in library
: IS_WRAP && target[key] == out ? (function(C){
var F = function(a, b, c){
if(this instanceof C){
switch(arguments.length){
case 0: return new C;
case 1: return new C(a);
case 2: return new C(a, b);
} return new C(a, b, c);
} return C.apply(this, arguments);
};
F[PROTOTYPE] = C[PROTOTYPE];
return F;
// make static versions for prototype methods
})(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
// export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
if(IS_PROTO){
(exports.virtual || (exports.virtual = {}))[key] = out;
// export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);
}
}
};
// type bitmap
$export.F = 1; // forced
$export.G = 2; // global
$export.S = 4; // static
$export.P = 8; // proto
$export.B = 16; // bind
$export.W = 32; // wrap
$export.U = 64; // safe
$export.R = 128; // real proto method for `library`
module.exports = $export;
},{"./_core":21,"./_ctx":22,"./_global":30,"./_hide":32}],28:[function(require,module,exports){
module.exports = function(exec){
try {
return !!exec();
} catch(e){
return true;
}
};
},{}],29:[function(require,module,exports){
var ctx = require('./_ctx')
, call = require('./_iter-call')
, isArrayIter = require('./_is-array-iter')
, anObject = require('./_an-object')
, toLength = require('./_to-length')
, getIterFn = require('./core.get-iterator-method')
, BREAK = {}
, RETURN = {};
var exports = module.exports = function(iterable, entries, fn, that, ITERATOR){
var iterFn = ITERATOR ? function(){ return iterable; } : getIterFn(iterable)
, f = ctx(fn, that, entries ? 2 : 1)
, index = 0
, length, step, iterator, result;
if(typeof iterFn != 'function')throw TypeError(iterable + ' is not iterable!');
// fast case for arrays with default iterator
if(isArrayIter(iterFn))for(length = toLength(iterable.length); length > index; index++){
result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
if(result === BREAK || result === RETURN)return result;
} else for(iterator = iterFn.call(iterable); !(step = iterator.next()).done; ){
result = call(iterator, f, step.value, entries);
if(result === BREAK || result === RETURN)return result;
}
};
exports.BREAK = BREAK;
exports.RETURN = RETURN;
},{"./_an-object":17,"./_ctx":22,"./_is-array-iter":37,"./_iter-call":39,"./_to-length":70,"./core.get-iterator-method":75}],30:[function(require,module,exports){
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
},{}],31:[function(require,module,exports){
var hasOwnProperty = {}.hasOwnProperty;
module.exports = function(it, key){
return hasOwnProperty.call(it, key);
};
},{}],32:[function(require,module,exports){
var dP = require('./_object-dp')
, createDesc = require('./_property-desc');
module.exports = require('./_descriptors') ? function(object, key, value){
return dP.f(object, key, createDesc(1, value));
} : function(object, key, value){
object[key] = value;
return object;
};
},{"./_descriptors":24,"./_object-dp":49,"./_property-desc":57}],33:[function(require,module,exports){
module.exports = require('./_global').document && document.documentElement;
},{"./_global":30}],34:[function(require,module,exports){
module.exports = !require('./_descriptors') && !require('./_fails')(function(){
return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_descriptors":24,"./_dom-create":25,"./_fails":28}],35:[function(require,module,exports){
// fast apply, http://jsperf.lnkit.com/fast-apply/5
module.exports = function(fn, args, that){
var un = that === undefined;
switch(args.length){
case 0: return un ? fn()
: fn.call(that);
case 1: return un ? fn(args[0])
: fn.call(that, args[0]);
case 2: return un ? fn(args[0], args[1])
: fn.call(that, args[0], args[1]);
case 3: return un ? fn(args[0], args[1], args[2])
: fn.call(that, args[0], args[1], args[2]);
case 4: return un ? fn(args[0], args[1], args[2], args[3])
: fn.call(that, args[0], args[1], args[2], args[3]);
} return fn.apply(that, args);
};
},{}],36:[function(require,module,exports){
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = require('./_cof');
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
return cof(it) == 'String' ? it.split('') : Object(it);
};
},{"./_cof":20}],37:[function(require,module,exports){
// check on default Array iterator
var Iterators = require('./_iterators')
, ITERATOR = require('./_wks')('iterator')
, ArrayProto = Array.prototype;
module.exports = function(it){
return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
};
},{"./_iterators":44,"./_wks":74}],38:[function(require,module,exports){
module.exports = function(it){
return typeof it === 'object' ? it !== null : typeof it === 'function';
};
},{}],39:[function(require,module,exports){
// call something on iterator step with safe closing on error
var anObject = require('./_an-object');
module.exports = function(iterator, fn, value, entries){
try {
return entries ? fn(anObject(value)[0], value[1]) : fn(value);
// 7.4.6 IteratorClose(iterator, completion)
} catch(e){
var ret = iterator['return'];
if(ret !== undefined)anObject(ret.call(iterator));
throw e;
}
};
},{"./_an-object":17}],40:[function(require,module,exports){
'use strict';
var create = require('./_object-create')
, descriptor = require('./_property-desc')
, setToStringTag = require('./_set-to-string-tag')
, IteratorPrototype = {};
// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()
require('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function(){ return this; });
module.exports = function(Constructor, NAME, next){
Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});
setToStringTag(Constructor, NAME + ' Iterator');
};
},{"./_hide":32,"./_object-create":48,"./_property-desc":57,"./_set-to-string-tag":61,"./_wks":74}],41:[function(require,module,exports){
'use strict';
var LIBRARY = require('./_library')
, $export = require('./_export')
, redefine = require('./_redefine')
, hide = require('./_hide')
, has = require('./_has')
, Iterators = require('./_iterators')
, $iterCreate = require('./_iter-create')
, setToStringTag = require('./_set-to-string-tag')
, getPrototypeOf = require('./_object-gpo')
, ITERATOR = require('./_wks')('iterator')
, BUGGY = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`
, FF_ITERATOR = '@@iterator'
, KEYS = 'keys'
, VALUES = 'values';
var returnThis = function(){ return this; };
module.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){
$iterCreate(Constructor, NAME, next);
var getMethod = function(kind){
if(!BUGGY && kind in proto)return proto[kind];
switch(kind){
case KEYS: return function keys(){ return new Constructor(this, kind); };
case VALUES: return function values(){ return new Constructor(this, kind); };
} return function entries(){ return new Constructor(this, kind); };
};
var TAG = NAME + ' Iterator'
, DEF_VALUES = DEFAULT == VALUES
, VALUES_BUG = false
, proto = Base.prototype
, $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]
, $default = $native || getMethod(DEFAULT)
, $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined
, $anyNative = NAME == 'Array' ? proto.entries || $native : $native
, methods, key, IteratorPrototype;
// Fix native
if($anyNative){
IteratorPrototype = getPrototypeOf($anyNative.call(new Base));
if(IteratorPrototype !== Object.prototype){
// Set @@toStringTag to native iterators
setToStringTag(IteratorPrototype, TAG, true);
// fix for some old engines
if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);
}
}
// fix Array#{values, @@iterator}.name in V8 / FF
if(DEF_VALUES && $native && $native.name !== VALUES){
VALUES_BUG = true;
$default = function values(){ return $native.call(this); };
}
// Define iterator
if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){
hide(proto, ITERATOR, $default);
}
// Plug for library
Iterators[NAME] = $default;
Iterators[TAG] = returnThis;
if(DEFAULT){
methods = {
values: DEF_VALUES ? $default : getMethod(VALUES),
keys: IS_SET ? $default : getMethod(KEYS),
entries: $entries
};
if(FORCED)for(key in methods){
if(!(key in proto))redefine(proto, key, methods[key]);
} else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
}
return methods;
};
},{"./_export":27,"./_has":31,"./_hide":32,"./_iter-create":40,"./_iterators":44,"./_library":45,"./_object-gpo":52,"./_redefine":59,"./_set-to-string-tag":61,"./_wks":74}],42:[function(require,module,exports){
var ITERATOR = require('./_wks')('iterator')
, SAFE_CLOSING = false;
try {
var riter = [7][ITERATOR]();
riter['return'] = function(){ SAFE_CLOSING = true; };
Array.from(riter, function(){ throw 2; });
} catch(e){ /* empty */ }
module.exports = function(exec, skipClosing){
if(!skipClosing && !SAFE_CLOSING)return false;
var safe = false;
try {
var arr = [7]
, iter = arr[ITERATOR]();
iter.next = function(){ return {done: safe = true}; };
arr[ITERATOR] = function(){ return iter; };
exec(arr);
} catch(e){ /* empty */ }
return safe;
};
},{"./_wks":74}],43:[function(require,module,exports){
module.exports = function(done, value){
return {value: value, done: !!done};
};
},{}],44:[function(require,module,exports){
module.exports = {};
},{}],45:[function(require,module,exports){
module.exports = true;
},{}],46:[function(require,module,exports){
var global = require('./_global')
, macrotask = require('./_task').set
, Observer = global.MutationObserver || global.WebKitMutationObserver
, process = global.process
, Promise = global.Promise
, isNode = require('./_cof')(process) == 'process';
module.exports = function(){
var head, last, notify;
var flush = function(){
var parent, fn;
if(isNode && (parent = process.domain))parent.exit();
while(head){
fn = head.fn;
head = head.next;
try {
fn();
} catch(e){
if(head)notify();
else last = undefined;
throw e;
}
} last = undefined;
if(parent)parent.enter();
};
// Node.js
if(isNode){
notify = function(){
process.nextTick(flush);
};
// browsers with MutationObserver
} else if(Observer){
var toggle = true
, node = document.createTextNode('');
new Observer(flush).observe(node, {characterData: true}); // eslint-disable-line no-new
notify = function(){
node.data = toggle = !toggle;
};
// environments with maybe non-completely correct, but existent Promise
} else if(Promise && Promise.resolve){
var promise = Promise.resolve();
notify = function(){
promise.then(flush);
};
// for other environments - macrotask based on:
// - setImmediate
// - MessageChannel
// - window.postMessag
// - onreadystatechange
// - setTimeout
} else {
notify = function(){
// strange IE + webpack dev server bug - use .call(global)
macrotask.call(global, flush);
};
}
return function(fn){
var task = {fn: fn, next: undefined};
if(last)last.next = task;
if(!head){
head = task;
notify();
} last = task;
};
};
},{"./_cof":20,"./_global":30,"./_task":66}],47:[function(require,module,exports){
'use strict';
// 19.1.2.1 Object.assign(target, source, ...)
var getKeys = require('./_object-keys')
, gOPS = require('./_object-gops')
, pIE = require('./_object-pie')
, toObject = require('./_to-object')
, IObject = require('./_iobject')
, $assign = Object.assign;
// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || require('./_fails')(function(){
var A = {}
, B = {}
, S = Symbol()
, K = 'abcdefghijklmnopqrst';
A[S] = 7;
K.split('').forEach(function(k){ B[k] = k; });
return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
var T = toObject(target)
, aLen = arguments.length
, index = 1
, getSymbols = gOPS.f
, isEnum = pIE.f;
while(aLen > index){
var S = IObject(arguments[index++])
, keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
, length = keys.length
, j = 0
, key;
while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
} return T;
} : $assign;
},{"./_fails":28,"./_iobject":36,"./_object-gops":51,"./_object-keys":54,"./_object-pie":55,"./_to-object":71}],48:[function(require,module,exports){
// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])
var anObject = require('./_an-object')
, dPs = require('./_object-dps')
, enumBugKeys = require('./_enum-bug-keys')
, IE_PROTO = require('./_shared-key')('IE_PROTO')
, Empty = function(){ /* empty */ }
, PROTOTYPE = 'prototype';
// Create object with fake `null` prototype: use iframe Object with cleared prototype
var createDict = function(){
// Thrash, waste and sodomy: IE GC bug
var iframe = require('./_dom-create')('iframe')
, i = enumBugKeys.length
, lt = '<'
, gt = '>'
, iframeDocument;
iframe.style.display = 'none';
require('./_html').appendChild(iframe);
iframe.src = 'javascript:'; // eslint-disable-line no-script-url
// createDict = iframe.contentWindow.Object;
// html.removeChild(iframe);
iframeDocument = iframe.contentWindow.document;
iframeDocument.open();
iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
iframeDocument.close();
createDict = iframeDocument.F;
while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];
return createDict();
};
module.exports = Object.create || function create(O, Properties){
var result;
if(O !== null){
Empty[PROTOTYPE] = anObject(O);
result = new Empty;
Empty[PROTOTYPE] = null;
// add "__proto__" for Object.getPrototypeOf polyfill
result[IE_PROTO] = O;
} else result = createDict();
return Properties === undefined ? result : dPs(result, Properties);
};
},{"./_an-object":17,"./_dom-create":25,"./_enum-bug-keys":26,"./_html":33,"./_object-dps":50,"./_shared-key":62}],49:[function(require,module,exports){
var anObject = require('./_an-object')
, IE8_DOM_DEFINE = require('./_ie8-dom-define')
, toPrimitive = require('./_to-primitive')
, dP = Object.defineProperty;
exports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){
anObject(O);
P = toPrimitive(P, true);
anObject(Attributes);
if(IE8_DOM_DEFINE)try {
return dP(O, P, Attributes);
} catch(e){ /* empty */ }
if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
if('value' in Attributes)O[P] = Attributes.value;
return O;
};
},{"./_an-object":17,"./_descriptors":24,"./_ie8-dom-define":34,"./_to-primitive":72}],50:[function(require,module,exports){
var dP = require('./_object-dp')
, anObject = require('./_an-object')
, getKeys = require('./_object-keys');
module.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){
anObject(O);
var keys = getKeys(Properties)
, length = keys.length
, i = 0
, P;
while(length > i)dP.f(O, P = keys[i++], Properties[P]);
return O;
};
},{"./_an-object":17,"./_descriptors":24,"./_object-dp":49,"./_object-keys":54}],51:[function(require,module,exports){
exports.f = Object.getOwnPropertySymbols;
},{}],52:[function(require,module,exports){
// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)
var has = require('./_has')
, toObject = require('./_to-object')
, IE_PROTO = require('./_shared-key')('IE_PROTO')
, ObjectProto = Object.prototype;
module.exports = Object.getPrototypeOf || function(O){
O = toObject(O);
if(has(O, IE_PROTO))return O[IE_PROTO];
if(typeof O.constructor == 'function' && O instanceof O.constructor){
return O.constructor.prototype;
} return O instanceof Object ? ObjectProto : null;
};
},{"./_has":31,"./_shared-key":62,"./_to-object":71}],53:[function(require,module,exports){
var has = require('./_has')
, toIObject = require('./_to-iobject')
, arrayIndexOf = require('./_array-includes')(false)
, IE_PROTO = require('./_shared-key')('IE_PROTO');
module.exports = function(object, names){
var O = toIObject(object)
, i = 0
, result = []
, key;
for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
// Don't enum bug & hidden keys
while(names.length > i)if(has(O, key = names[i++])){
~arrayIndexOf(result, key) || result.push(key);
}
return result;
};
},{"./_array-includes":18,"./_has":31,"./_shared-key":62,"./_to-iobject":69}],54:[function(require,module,exports){
// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys = require('./_object-keys-internal')
, enumBugKeys = require('./_enum-bug-keys');
module.exports = Object.keys || function keys(O){
return $keys(O, enumBugKeys);
};
},{"./_enum-bug-keys":26,"./_object-keys-internal":53}],55:[function(require,module,exports){
exports.f = {}.propertyIsEnumerable;
},{}],56:[function(require,module,exports){
// most Object methods by ES6 should accept primitives
var $export = require('./_export')
, core = require('./_core')
, fails = require('./_fails');
module.exports = function(KEY, exec){
var fn = (core.Object || {})[KEY] || Object[KEY]
, exp = {};
exp[KEY] = exec(fn);
$export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);
};
},{"./_core":21,"./_export":27,"./_fails":28}],57:[function(require,module,exports){
module.exports = function(bitmap, value){
return {
enumerable : !(bitmap & 1),
configurable: !(bitmap & 2),
writable : !(bitmap & 4),
value : value
};
};
},{}],58:[function(require,module,exports){
var hide = require('./_hide');
module.exports = function(target, src, safe){
for(var key in src){
if(safe && target[key])target[key] = src[key];
else hide(target, key, src[key]);
} return target;
};
},{"./_hide":32}],59:[function(require,module,exports){
module.exports = require('./_hide');
},{"./_hide":32}],60:[function(require,module,exports){
'use strict';
var global = require('./_global')
, core = require('./_core')
, dP = require('./_object-dp')
, DESCRIPTORS = require('./_descriptors')
, SPECIES = require('./_wks')('species');
module.exports = function(KEY){
var C = typeof core[KEY] == 'function' ? core[KEY] : global[KEY];
if(DESCRIPTORS && C && !C[SPECIES])dP.f(C, SPECIES, {
configurable: true,
get: function(){ return this; }
});
};
},{"./_core":21,"./_descriptors":24,"./_global":30,"./_object-dp":49,"./_wks":74}],61:[function(require,module,exports){
var def = require('./_object-dp').f
, has = require('./_has')
, TAG = require('./_wks')('toStringTag');
module.exports = function(it, tag, stat){
if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});
};
},{"./_has":31,"./_object-dp":49,"./_wks":74}],62:[function(require,module,exports){
var shared = require('./_shared')('keys')
, uid = require('./_uid');
module.exports = function(key){
return shared[key] || (shared[key] = uid(key));
};
},{"./_shared":63,"./_uid":73}],63:[function(require,module,exports){
var global = require('./_global')
, SHARED = '__core-js_shared__'
, store = global[SHARED] || (global[SHARED] = {});
module.exports = function(key){
return store[key] || (store[key] = {});
};
},{"./_global":30}],64:[function(require,module,exports){
// 7.3.20 SpeciesConstructor(O, defaultConstructor)
var anObject = require('./_an-object')
, aFunction = require('./_a-function')
, SPECIES = require('./_wks')('species');
module.exports = function(O, D){
var C = anObject(O).constructor, S;
return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
};
},{"./_a-function":14,"./_an-object":17,"./_wks":74}],65:[function(require,module,exports){
var toInteger = require('./_to-integer')
, defined = require('./_defined');
// true -> String#at
// false -> String#codePointAt
module.exports = function(TO_STRING){
return function(that, pos){
var s = String(defined(that))
, i = toInteger(pos)
, l = s.length
, a, b;
if(i < 0 || i >= l)return TO_STRING ? '' : undefined;
a = s.charCodeAt(i);
return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff
? TO_STRING ? s.charAt(i) : a
: TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
};
};
},{"./_defined":23,"./_to-integer":68}],66:[function(require,module,exports){
var ctx = require('./_ctx')
, invoke = require('./_invoke')
, html = require('./_html')
, cel = require('./_dom-create')
, global = require('./_global')
, process = global.process
, setTask = global.setImmediate
, clearTask = global.clearImmediate
, MessageChannel = global.MessageChannel
, counter = 0
, queue = {}
, ONREADYSTATECHANGE = 'onreadystatechange'
, defer, channel, port;
var run = function(){
var id = +this;
if(queue.hasOwnProperty(id)){
var fn = queue[id];
delete queue[id];
fn();
}
};
var listener = function(event){
run.call(event.data);
};
// Node.js 0.9+ & IE10+ has setImmediate, otherwise:
if(!setTask || !clearTask){
setTask = function setImmediate(fn){
var args = [], i = 1;
while(arguments.length > i)args.push(arguments[i++]);
queue[++counter] = function(){
invoke(typeof fn == 'function' ? fn : Function(fn), args);
};
defer(counter);
return counter;
};
clearTask = function clearImmediate(id){
delete queue[id];
};
// Node.js 0.8-
if(require('./_cof')(process) == 'process'){
defer = function(id){
process.nextTick(ctx(run, id, 1));
};
// Browsers with MessageChannel, includes WebWorkers
} else if(MessageChannel){
channel = new MessageChannel;
port = channel.port2;
channel.port1.onmessage = listener;
defer = ctx(port.postMessage, port, 1);
// Browsers with postMessage, skip WebWorkers
// IE8 has postMessage, but it's sync & typeof its postMessage is 'object'
} else if(global.addEventListener && typeof postMessage == 'function' && !global.importScripts){
defer = function(id){
global.postMessage(id + '', '*');
};
global.addEventListener('message', listener, false);
// IE8-
} else if(ONREADYSTATECHANGE in cel('script')){
defer = function(id){
html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function(){
html.removeChild(this);
run.call(id);
};
};
// Rest old browsers
} else {
defer = function(id){
setTimeout(ctx(run, id, 1), 0);
};
}
}
module.exports = {
set: setTask,
clear: clearTask
};
},{"./_cof":20,"./_ctx":22,"./_dom-create":25,"./_global":30,"./_html":33,"./_invoke":35}],67:[function(require,module,exports){
var toInteger = require('./_to-integer')
, max = Math.max
, min = Math.min;
module.exports = function(index, length){
index = toInteger(index);
return index < 0 ? max(index + length, 0) : min(index, length);
};
},{"./_to-integer":68}],68:[function(require,module,exports){
// 7.1.4 ToInteger
var ceil = Math.ceil
, floor = Math.floor;
module.exports = function(it){
return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};
},{}],69:[function(require,module,exports){
// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = require('./_iobject')
, defined = require('./_defined');
module.exports = function(it){
return IObject(defined(it));
};
},{"./_defined":23,"./_iobject":36}],70:[function(require,module,exports){
// 7.1.15 ToLength
var toInteger = require('./_to-integer')
, min = Math.min;
module.exports = function(it){
return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};
},{"./_to-integer":68}],71:[function(require,module,exports){
// 7.1.13 ToObject(argument)
var defined = require('./_defined');
module.exports = function(it){
return Object(defined(it));
};
},{"./_defined":23}],72:[function(require,module,exports){
// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = require('./_is-object');
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function(it, S){
if(!isObject(it))return it;
var fn, val;
if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
throw TypeError("Can't convert object to primitive value");
};
},{"./_is-object":38}],73:[function(require,module,exports){
var id = 0
, px = Math.random();
module.exports = function(key){
return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};
},{}],74:[function(require,module,exports){
var store = require('./_shared')('wks')
, uid = require('./_uid')
, Symbol = require('./_global').Symbol
, USE_SYMBOL = typeof Symbol == 'function';
var $exports = module.exports = function(name){
return store[name] || (store[name] =
USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
};
$exports.store = store;
},{"./_global":30,"./_shared":63,"./_uid":73}],75:[function(require,module,exports){
var classof = require('./_classof')
, ITERATOR = require('./_wks')('iterator')
, Iterators = require('./_iterators');
module.exports = require('./_core').getIteratorMethod = function(it){
if(it != undefined)return it[ITERATOR]
|| it['@@iterator']
|| Iterators[classof(it)];
};
},{"./_classof":19,"./_core":21,"./_iterators":44,"./_wks":74}],76:[function(require,module,exports){
'use strict';
var addToUnscopables = require('./_add-to-unscopables')
, step = require('./_iter-step')
, Iterators = require('./_iterators')
, toIObject = require('./_to-iobject');
// 22.1.3.4 Array.prototype.entries()
// 22.1.3.13 Array.prototype.keys()
// 22.1.3.29 Array.prototype.values()
// 22.1.3.30 Array.prototype[@@iterator]()
module.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){
this._t = toIObject(iterated); // target
this._i = 0; // next index
this._k = kind; // kind
// 22.1.5.2.1 %ArrayIteratorPrototype%.next()
}, function(){
var O = this._t
, kind = this._k
, index = this._i++;
if(!O || index >= O.length){
this._t = undefined;
return step(1);
}
if(kind == 'keys' )return step(0, index);
if(kind == 'values')return step(0, O[index]);
return step(0, [index, O[index]]);
}, 'values');
// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)
Iterators.Arguments = Iterators.Array;
addToUnscopables('keys');
addToUnscopables('values');
addToUnscopables('entries');
},{"./_add-to-unscopables":15,"./_iter-define":41,"./_iter-step":43,"./_iterators":44,"./_to-iobject":69}],77:[function(require,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $export = require('./_export');
$export($export.S + $export.F, 'Object', {assign: require('./_object-assign')});
},{"./_export":27,"./_object-assign":47}],78:[function(require,module,exports){
// 19.1.2.14 Object.keys(O)
var toObject = require('./_to-object')
, $keys = require('./_object-keys');
require('./_object-sap')('keys', function(){
return function keys(it){
return $keys(toObject(it));
};
});
},{"./_object-keys":54,"./_object-sap":56,"./_to-object":71}],79:[function(require,module,exports){
arguments[4][9][0].apply(exports,arguments)
},{"dup":9}],80:[function(require,module,exports){
'use strict';
var LIBRARY = require('./_library')
, global = require('./_global')
, ctx = require('./_ctx')
, classof = require('./_classof')
, $export = require('./_export')
, isObject = require('./_is-object')
, aFunction = require('./_a-function')
, anInstance = require('./_an-instance')
, forOf = require('./_for-of')
, speciesConstructor = require('./_species-constructor')
, task = require('./_task').set
, microtask = require('./_microtask')()
, PROMISE = 'Promise'
, TypeError = global.TypeError
, process = global.process
, $Promise = global[PROMISE]
, process = global.process
, isNode = classof(process) == 'process'
, empty = function(){ /* empty */ }
, Internal, GenericPromiseCapability, Wrapper;
var USE_NATIVE = !!function(){
try {
// correct subclassing with @@species support
var promise = $Promise.resolve(1)
, FakePromise = (promise.constructor = {})[require('./_wks')('species')] = function(exec){ exec(empty, empty); };
// unhandled rejections tracking support, NodeJS Promise without it fails @@species test
return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise;
} catch(e){ /* empty */ }
}();
// helpers
var sameConstructor = function(a, b){
// with library wrapper special case
return a === b || a === $Promise && b === Wrapper;
};
var isThenable = function(it){
var then;
return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
};
var newPromiseCapability = function(C){
return sameConstructor($Promise, C)
? new PromiseCapability(C)
: new GenericPromiseCapability(C);
};
var PromiseCapability = GenericPromiseCapability = function(C){
var resolve, reject;
this.promise = new C(function($$resolve, $$reject){
if(resolve !== undefined || reject !== undefined)throw TypeError('Bad Promise constructor');
resolve = $$resolve;
reject = $$reject;
});
this.resolve = aFunction(resolve);
this.reject = aFunction(reject);
};
var perform = function(exec){
try {
exec();
} catch(e){
return {error: e};
}
};
var notify = function(promise, isReject){
if(promise._n)return;
promise._n = true;
var chain = promise._c;
microtask(function(){
var value = promise._v
, ok = promise._s == 1
, i = 0;
var run = function(reaction){
var handler = ok ? reaction.ok : reaction.fail
, resolve = reaction.resolve
, reject = reaction.reject
, domain = reaction.domain
, result, then;
try {
if(handler){
if(!ok){
if(promise._h == 2)onHandleUnhandled(promise);
promise._h = 1;
}
if(handler === true)result = value;
else {
if(domain)domain.enter();
result = handler(value);
if(domain)domain.exit();
}
if(result === reaction.promise){
reject(TypeError('Promise-chain cycle'));
} else if(then = isThenable(result)){
then.call(result, resolve, reject);
} else resolve(result);
} else reject(value);
} catch(e){
reject(e);
}
};
while(chain.length > i)run(chain[i++]); // variable length - can't use forEach
promise._c = [];
promise._n = false;
if(isReject && !promise._h)onUnhandled(promise);
});
};
var onUnhandled = function(promise){
task.call(global, function(){
var value = promise._v
, abrupt, handler, console;
if(isUnhandled(promise)){
abrupt = perform(function(){
if(isNode){
process.emit('unhandledRejection', value, promise);
} else if(handler = global.onunhandledrejection){
handler({promise: promise, reason: value});
} else if((console = global.console) && console.error){
console.error('Unhandled promise rejection', value);
}
});
// Browsers should not trigger `rejectionHandled` event if it was handled here, NodeJS - should
promise._h = isNode || isUnhandled(promise) ? 2 : 1;
} promise._a = undefined;
if(abrupt)throw abrupt.error;
});
};
var isUnhandled = function(promise){
if(promise._h == 1)return false;
var chain = promise._a || promise._c
, i = 0
, reaction;
while(chain.length > i){
reaction = chain[i++];
if(reaction.fail || !isUnhandled(reaction.promise))return false;
} return true;
};
var onHandleUnhandled = function(promise){
task.call(global, function(){
var handler;
if(isNode){
process.emit('rejectionHandled', promise);
} else if(handler = global.onrejectionhandled){
handler({promise: promise, reason: promise._v});
}
});
};
var $reject = function(value){
var promise = this;
if(promise._d)return;
promise._d = true;
promise = promise._w || promise; // unwrap
promise._v = value;
promise._s = 2;
if(!promise._a)promise._a = promise._c.slice();
notify(promise, true);
};
var $resolve = function(value){
var promise = this
, then;
if(promise._d)return;
promise._d = true;
promise = promise._w || promise; // unwrap
try {
if(promise === value)throw TypeError("Promise can't be resolved itself");
if(then = isThenable(value)){
microtask(function(){
var wrapper = {_w: promise, _d: false}; // wrap
try {
then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
} catch(e){
$reject.call(wrapper, e);
}
});
} else {
promise._v = value;
promise._s = 1;
notify(promise, false);
}
} catch(e){
$reject.call({_w: promise, _d: false}, e); // wrap
}
};
// constructor polyfill
if(!USE_NATIVE){
// 25.4.3.1 Promise(executor)
$Promise = function Promise(executor){
anInstance(this, $Promise, PROMISE, '_h');
aFunction(executor);
Internal.call(this);
try {
executor(ctx($resolve, this, 1), ctx($reject, this, 1));
} catch(err){
$reject.call(this, err);
}
};
Internal = function Promise(executor){
this._c = []; // <- awaiting reactions
this._a = undefined; // <- checked in isUnhandled reactions
this._s = 0; // <- state
this._d = false; // <- done
this._v = undefined; // <- value
this._h = 0; // <- rejection state, 0 - default, 1 - handled, 2 - unhandled
this._n = false; // <- notify
};
Internal.prototype = require('./_redefine-all')($Promise.prototype, {
// 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)
then: function then(onFulfilled, onRejected){
var reaction = newPromiseCapability(speciesConstructor(this, $Promise));
reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
reaction.fail = typeof onRejected == 'function' && onRejected;
reaction.domain = isNode ? process.domain : undefined;
this._c.push(reaction);
if(this._a)this._a.push(reaction);
if(this._s)notify(this, false);
return reaction.promise;
},
// 25.4.5.1 Promise.prototype.catch(onRejected)
'catch': function(onRejected){
return this.then(undefined, onRejected);
}
});
PromiseCapability = function(){
var promise = new Internal;
this.promise = promise;
this.resolve = ctx($resolve, promise, 1);
this.reject = ctx($reject, promise, 1);
};
}
$export($export.G + $export.W + $export.F * !USE_NATIVE, {Promise: $Promise});
require('./_set-to-string-tag')($Promise, PROMISE);
require('./_set-species')(PROMISE);
Wrapper = require('./_core')[PROMISE];
// statics
$export($export.S + $export.F * !USE_NATIVE, PROMISE, {
// 25.4.4.5 Promise.reject(r)
reject: function reject(r){
var capability = newPromiseCapability(this)
, $$reject = capability.reject;
$$reject(r);
return capability.promise;
}
});
$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
// 25.4.4.6 Promise.resolve(x)
resolve: function resolve(x){
// instanceof instead of internal slot check because we should fix it without replacement native Promise core
if(x instanceof $Promise && sameConstructor(x.constructor, this))return x;
var capability = newPromiseCapability(this)
, $$resolve = capability.resolve;
$$resolve(x);
return capability.promise;
}
});
$export($export.S + $export.F * !(USE_NATIVE && require('./_iter-detect')(function(iter){
$Promise.all(iter)['catch'](empty);
})), PROMISE, {
// 25.4.4.1 Promise.all(iterable)
all: function all(iterable){
var C = this
, capability = newPromiseCapability(C)
, resolve = capability.resolve
, reject = capability.reject;
var abrupt = perform(function(){
var values = []
, index = 0
, remaining = 1;
forOf(iterable, false, function(promise){
var $index = index++
, alreadyCalled = false;
values.push(undefined);
remaining++;
C.resolve(promise).then(function(value){
if(alreadyCalled)return;
alreadyCalled = true;
values[$index] = value;
--remaining || resolve(values);
}, reject);
});
--remaining || resolve(values);
});
if(abrupt)reject(abrupt.error);
return capability.promise;
},
// 25.4.4.4 Promise.race(iterable)
race: function race(iterable){
var C = this
, capability = newPromiseCapability(C)
, reject = capability.reject;
var abrupt = perform(function(){
forOf(iterable, false, function(promise){
C.resolve(promise).then(capability.resolve, reject);
});
});
if(abrupt)reject(abrupt.error);
return capability.promise;
}
});
},{"./_a-function":14,"./_an-instance":16,"./_classof":19,"./_core":21,"./_ctx":22,"./_export":27,"./_for-of":29,"./_global":30,"./_is-object":38,"./_iter-detect":42,"./_library":45,"./_microtask":46,"./_redefine-all":58,"./_set-species":60,"./_set-to-string-tag":61,"./_species-constructor":64,"./_task":66,"./_wks":74}],81:[function(require,module,exports){
'use strict';
var $at = require('./_string-at')(true);
// 21.1.3.27 String.prototype[@@iterator]()
require('./_iter-define')(String, 'String', function(iterated){
this._t = String(iterated); // target
this._i = 0; // next index
// 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function(){
var O = this._t
, index = this._i
, point;
if(index >= O.length)return {value: undefined, done: true};
point = $at(O, index);
this._i += point.length;
return {value: point, done: false};
});
},{"./_iter-define":41,"./_string-at":65}],82:[function(require,module,exports){
require('./es6.array.iterator');
var global = require('./_global')
, hide = require('./_hide')
, Iterators = require('./_iterators')
, TO_STRING_TAG = require('./_wks')('toStringTag');
for(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){
var NAME = collections[i]
, Collection = global[NAME]
, proto = Collection && Collection.prototype;
if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);
Iterators[NAME] = Iterators.Array;
}
},{"./_global":30,"./_hide":32,"./_iterators":44,"./_wks":74,"./es6.array.iterator":76}],83:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends2 = require("babel-runtime/helpers/extends");
var _extends3 = _interopRequireDefault(_extends2);
var _collection = require("./collection");
var _collection2 = _interopRequireDefault(_collection);
var _base = require("./adapters/base");
var _base2 = _interopRequireDefault(_base);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const DEFAULT_BUCKET_NAME = "default";
const DEFAULT_REMOTE = "http://localhost:8888/v1";
/**
* KintoBase class.
*/
class KintoBase {
/**
* Provides a public access to the base adapter class. Users can create a
* custom DB adapter by extending {@link BaseAdapter}.
*
* @type {Object}
*/
static get adapters() {
return {
BaseAdapter: _base2.default
};
}
/**
* Synchronization strategies. Available strategies are:
*
* - `MANUAL`: Conflicts will be reported in a dedicated array.
* - `SERVER_WINS`: Conflicts are resolved using remote data.
* - `CLIENT_WINS`: Conflicts are resolved using local data.
*
* @type {Object}
*/
static get syncStrategy() {
return _collection2.default.strategy;
}
/**
* Constructor.
*
* Options:
* - `{String}` `remote` The server URL to use.
* - `{String}` `bucket` The collection bucket name.
* - `{EventEmitter}` `events` Events handler.
* - `{BaseAdapter}` `adapter` The base DB adapter class.
* - `{Object}` `adapterOptions` Options given to the adapter.
* - `{String}` `dbPrefix` The DB name prefix.
* - `{Object}` `headers` The HTTP headers to use.
* - `{String}` `requestMode` The HTTP CORS mode to use.
* - `{Number}` `timeout` The requests timeout in ms (default: `5000`).
*
* @param {Object} options The options object.
*/
constructor(options = {}) {
const defaults = {
bucket: DEFAULT_BUCKET_NAME,
remote: DEFAULT_REMOTE
};
this._options = (0, _extends3.default)({}, defaults, options);
if (!this._options.adapter) {
throw new Error("No adapter provided");
}
const { remote, events, headers, requestMode, timeout, ApiClass } = this._options;
// public properties
/**
* The kinto HTTP client instance.
* @type {KintoClient}
*/
this.api = new ApiClass(remote, { events, headers, requestMode, timeout });
/**
* The event emitter instance.
* @type {EventEmitter}
*/
this.events = this._options.events;
}
/**
* Creates a {@link Collection} instance. The second (optional) parameter
* will set collection-level options like e.g. `remoteTransformers`.
*
* @param {String} collName The collection name.
* @param {Object} options May contain the following fields:
* remoteTransformers: Array<RemoteTransformer>
* @return {Collection}
*/
collection(collName, options = {}) {
if (!collName) {
throw new Error("missing collection name");
}
const bucket = this._options.bucket;
return new _collection2.default(bucket, collName, this.api, {
events: this._options.events,
adapter: this._options.adapter,
adapterOptions: this._options.adapterOptions,
dbPrefix: this._options.dbPrefix,
idSchema: options.idSchema,
remoteTransformers: options.remoteTransformers,
hooks: options.hooks
});
}
}
exports.default = KintoBase;
},{"./adapters/base":85,"./collection":86,"babel-runtime/helpers/extends":8}],84:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _asyncToGenerator2 = require("babel-runtime/helpers/asyncToGenerator");
var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
var _promise = require("babel-runtime/core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
var _keys = require("babel-runtime/core-js/object/keys");
var _keys2 = _interopRequireDefault(_keys);
var _base = require("./base.js");
var _base2 = _interopRequireDefault(_base);
var _utils = require("../utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const INDEXED_FIELDS = ["id", "_status", "last_modified"];
/**
* IDB cursor handlers.
* @type {Object}
*/
const cursorHandlers = {
all(filters, done) {
const results = [];
return function (event) {
const cursor = event.target.result;
if (cursor) {
if ((0, _utils.filterObject)(filters, cursor.value)) {
results.push(cursor.value);
}
cursor.continue();
} else {
done(results);
}
};
},
in(values, done) {
if (values.length === 0) {
return done([]);
}
const sortedValues = [].slice.call(values).sort();
const results = [];
return function (event) {
const cursor = event.target.result;
if (!cursor) {
done(results);
return;
}
const { key, value } = cursor;
let i = 0;
while (key > sortedValues[i]) {
// The cursor has passed beyond this key. Check next.
++i;
if (i === sortedValues.length) {
done(results); // There is no next. Stop searching.
return;
}
}
if (key === sortedValues[i]) {
results.push(value);
cursor.continue();
} else {
cursor.continue(sortedValues[i]);
}
};
}
};
/**
* Extract from filters definition the first indexed field. Since indexes were
* created on single-columns, extracting a single one makes sense.
*
* @param {Object} filters The filters object.
* @return {String|undefined}
*/
function findIndexedField(filters) {
const filteredFields = (0, _keys2.default)(filters);
const indexedFields = filteredFields.filter(field => {
return INDEXED_FIELDS.indexOf(field) !== -1;
});
return indexedFields[0];
}
/**
* Creates an IDB request and attach it the appropriate cursor event handler to
* perform a list query.
*
* Multiple matching values are handled by passing an array.
*
* @param {IDBStore} store The IDB store.
* @param {String|undefined} indexField The indexed field to query, if any.
* @param {Any} value The value to filter, if any.
* @param {Object} filters More filters.
* @param {Function} done The operation completion handler.
* @return {IDBRequest}
*/
function createListRequest(store, indexField, value, filters, done) {
if (!indexField) {
// Get all records.
const request = store.openCursor();
request.onsuccess = cursorHandlers.all(filters, done);
return request;
}
// WHERE IN equivalent clause
if (Array.isArray(value)) {
const request = store.index(indexField).openCursor();
request.onsuccess = cursorHandlers.in(value, done);
return request;
}
// WHERE field = value clause
const request = store.index(indexField).openCursor(IDBKeyRange.only(value));
request.onsuccess = cursorHandlers.all(filters, done);
return request;
}
/**
* IndexedDB adapter.
*
* This adapter doesn't support any options.
*/
class IDB extends _base2.default {
/**
* Constructor.
*
* @param {String} dbname The database nale.
*/
constructor(dbname) {
super();
this._db = null;
// public properties
/**
* The database name.
* @type {String}
*/
this.dbname = dbname;
}
_handleError(method, err) {
const error = new Error(method + "() " + err.message);
error.stack = err.stack;
throw error;
}
/**
* Ensures a connection to the IndexedDB database has been opened.
*
* @override
* @return {Promise}
*/
open() {
if (this._db) {
return _promise2.default.resolve(this);
}
return new _promise2.default((resolve, reject) => {
const request = indexedDB.open(this.dbname, 1);
request.onupgradeneeded = event => {
// DB object
const db = event.target.result;
// Main collection store
const collStore = db.createObjectStore(this.dbname, {
keyPath: "id"
});
// Primary key (generated by IdSchema, UUID by default)
collStore.createIndex("id", "id", { unique: true });
// Local record status ("synced", "created", "updated", "deleted")
collStore.createIndex("_status", "_status");
// Last modified field
collStore.createIndex("last_modified", "last_modified");
// Metadata store
const metaStore = db.createObjectStore("__meta__", {
keyPath: "name"
});
metaStore.createIndex("name", "name", { unique: true });
};
request.onerror = event => reject(event.target.error);
request.onsuccess = event => {
this._db = event.target.result;
resolve(this);
};
});
}
/**
* Closes current connection to the database.
*
* @override
* @return {Promise}
*/
close() {
if (this._db) {
this._db.close(); // indexedDB.close is synchronous
this._db = null;
}
return super.close();
}
/**
* Returns a transaction and a store objects for this collection.
*
* To determine if a transaction has completed successfully, we should rather
* listen to the transactions complete event rather than the IDBObjectStore
* requests success event, because the transaction may still fail after the
* success event fires.
*
* @param {String} mode Transaction mode ("readwrite" or undefined)
* @param {String|null} name Store name (defaults to coll name)
* @return {Object}
*/
prepare(mode = undefined, name = null) {
const storeName = name || this.dbname;
// On Safari, calling IDBDatabase.transaction with mode == undefined raises
// a TypeError.
const transaction = mode ? this._db.transaction([storeName], mode) : this._db.transaction([storeName]);
const store = transaction.objectStore(storeName);
return { transaction, store };
}
/**
* Deletes every records in the current collection.
*
* @override
* @return {Promise}
*/
clear() {
var _this = this;
return (0, _asyncToGenerator3.default)(function* () {
try {
yield _this.open();
return new _promise2.default(function (resolve, reject) {
const { transaction, store } = _this.prepare("readwrite");
store.clear();
transaction.onerror = function (event) {
return reject(new Error(event.target.error));
};
transaction.oncomplete = function () {
return resolve();
};
});
} catch (e) {
_this._handleError("clear", e);
}
})();
}
/**
* Executes the set of synchronous CRUD operations described in the provided
* callback within an IndexedDB transaction, for current db store.
*
* The callback will be provided an object exposing the following synchronous
* CRUD operation methods: get, create, update, delete.
*
* Important note: because limitations in IndexedDB implementations, no
* asynchronous code should be performed within the provided callback; the
* promise will therefore be rejected if the callback returns a Promise.
*
* Options:
* - {Array} preload: The list of record IDs to fetch and make available to
* the transaction object get() method (default: [])
*
* @example
* const db = new IDB("example");
* db.execute(transaction => {
* transaction.create({id: 1, title: "foo"});
* transaction.update({id: 2, title: "bar"});
* transaction.delete(3);
* return "foo";
* })
* .catch(console.error.bind(console));
* .then(console.log.bind(console)); // => "foo"
*
* @param {Function} callback The operation description callback.
* @param {Object} options The options object.
* @return {Promise}
*/
execute(callback, options = { preload: [] }) {
var _this2 = this;
return (0, _asyncToGenerator3.default)(function* () {
// Transactions in IndexedDB are autocommited when a callback does not
// perform any additional operation.
// The way Promises are implemented in Firefox (see https://bugzilla.mozilla.org/show_bug.cgi?id=1193394)
// prevents using within an opened transaction.
// To avoid managing asynchronocity in the specified `callback`, we preload
// a list of record in order to execute the `callback` synchronously.
// See also:
// - http://stackoverflow.com/a/28388805/330911
// - http://stackoverflow.com/a/10405196
// - https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/
yield _this2.open();
return new _promise2.default(function (resolve, reject) {
// Start transaction.
const { transaction, store } = _this2.prepare("readwrite");
// Preload specified records using index.
const ids = options.preload;
store.index("id").openCursor().onsuccess = cursorHandlers.in(ids, function (records) {
// Store obtained records by id.
const preloaded = records.reduce(function (acc, record) {
acc[record.id] = record;
return acc;
}, {});
// Expose a consistent API for every adapter instead of raw store methods.
const proxy = transactionProxy(store, preloaded);
// The callback is executed synchronously within the same transaction.
let result;
try {
result = callback(proxy);
} catch (e) {
transaction.abort();
reject(e);
}
if (result instanceof _promise2.default) {
// XXX: investigate how to provide documentation details in error.
reject(new Error("execute() callback should not return a Promise."));
}
// XXX unsure if we should manually abort the transaction on error
transaction.onerror = function (event) {
return reject(new Error(event.target.error));
};
transaction.oncomplete = function (event) {
return resolve(result);
};
});
});
})();
}
/**
* Retrieve a record by its primary key from the IndexedDB database.
*
* @override
* @param {String} id The record id.
* @return {Promise}
*/
get(id) {
var _this3 = this;
return (0, _asyncToGenerator3.default)(function* () {
try {
yield _this3.open();
return new _promise2.default(function (resolve, reject) {
const { transaction, store } = _this3.prepare();
const request = store.get(id);
transaction.onerror = function (event) {
return reject(new Error(event.target.error));
};
transaction.oncomplete = function () {
return resolve(request.result);
};
});
} catch (e) {
_this3._handleError("get", e);
}
})();
}
/**
* Lists all records from the IndexedDB database.
*
* @override
* @return {Promise}
*/
list(params = { filters: {} }) {
var _this4 = this;
return (0, _asyncToGenerator3.default)(function* () {
const { filters } = params;
const indexField = findIndexedField(filters);
const value = filters[indexField];
try {
yield _this4.open();
const results = yield new _promise2.default(function (resolve, reject) {
let results = [];
// If `indexField` was used already, don't filter again.
const remainingFilters = (0, _utils.omitKeys)(filters, indexField);
const { transaction, store } = _this4.prepare();
createListRequest(store, indexField, value, remainingFilters, function (_results) {
// we have received all requested records, parking them within
// current scope
results = _results;
});
transaction.onerror = function (event) {
return reject(new Error(event.target.error));
};
transaction.oncomplete = function (event) {
return resolve(results);
};
});
// The resulting list of records is sorted.
// XXX: with some efforts, this could be fully implemented using IDB API.
return params.order ? (0, _utils.sortObjects)(params.order, results) : results;
} catch (e) {
_this4._handleError("list", e);
}
})();
}
/**
* Store the lastModified value into metadata store.
*
* @override
* @param {Number} lastModified
* @return {Promise}
*/
saveLastModified(lastModified) {
var _this5 = this;
return (0, _asyncToGenerator3.default)(function* () {
const value = parseInt(lastModified, 10) || null;
yield _this5.open();
return new _promise2.default(function (resolve, reject) {
const { transaction, store } = _this5.prepare("readwrite", "__meta__");
store.put({ name: "lastModified", value: value });
transaction.onerror = function (event) {
return reject(event.target.error);
};
transaction.oncomplete = function (event) {
return resolve(value);
};
});
})();
}
/**
* Retrieve saved lastModified value.
*
* @override
* @return {Promise}
*/
getLastModified() {
var _this6 = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this6.open();
return new _promise2.default(function (resolve, reject) {
const { transaction, store } = _this6.prepare(undefined, "__meta__");
const request = store.get("lastModified");
transaction.onerror = function (event) {
return reject(event.target.error);
};
transaction.oncomplete = function (event) {
resolve(request.result && request.result.value || null);
};
});
})();
}
/**
* Load a dump of records exported from a server.
*
* @abstract
* @return {Promise}
*/
loadDump(records) {
var _this7 = this;
return (0, _asyncToGenerator3.default)(function* () {
try {
yield _this7.execute(function (transaction) {
records.forEach(function (record) {
return transaction.update(record);
});
});
const previousLastModified = yield _this7.getLastModified();
const lastModified = Math.max(...records.map(function (record) {
return record.last_modified;
}));
if (lastModified > previousLastModified) {
yield _this7.saveLastModified(lastModified);
}
return records;
} catch (e) {
_this7._handleError("loadDump", e);
}
})();
}
}
exports.default = IDB; /**
* IDB transaction proxy.
*
* @param {IDBStore} store The IndexedDB database store.
* @param {Array} preloaded The list of records to make available to
* get() (default: []).
* @return {Object}
*/
function transactionProxy(store, preloaded = []) {
return {
create(record) {
store.add(record);
},
update(record) {
store.put(record);
},
delete(id) {
store.delete(id);
},
get(id) {
return preloaded[id];
}
};
}
},{"../utils":87,"./base.js":85,"babel-runtime/core-js/object/keys":5,"babel-runtime/core-js/promise":6,"babel-runtime/helpers/asyncToGenerator":7}],85:[function(require,module,exports){
"use strict";
/**
* Base db adapter.
*
* @abstract
*/
Object.defineProperty(exports, "__esModule", {
value: true
});
var _promise = require("babel-runtime/core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
class BaseAdapter {
/**
* Opens a connection to the database.
*
* @abstract
* @return {Promise}
*/
open() {
return _promise2.default.resolve();
}
/**
* Closes current connection to the database.
*
* @abstract
* @return {Promise}
*/
close() {
return _promise2.default.resolve();
}
/**
* Deletes every records present in the database.
*
* @abstract
* @return {Promise}
*/
clear() {
throw new Error("Not Implemented.");
}
/**
* Executes a batch of operations within a single transaction.
*
* @abstract
* @param {Function} callback The operation callback.
* @param {Object} options The options object.
* @return {Promise}
*/
execute(callback, options = { preload: [] }) {
throw new Error("Not Implemented.");
}
/**
* Retrieve a record by its primary key from the database.
*
* @abstract
* @param {String} id The record id.
* @return {Promise}
*/
get(id) {
throw new Error("Not Implemented.");
}
/**
* Lists all records from the database.
*
* @abstract
* @param {Object} params The filters and order to apply to the results.
* @return {Promise}
*/
list(params = { filters: {}, order: "" }) {
throw new Error("Not Implemented.");
}
/**
* Store the lastModified value.
*
* @abstract
* @param {Number} lastModified
* @return {Promise}
*/
saveLastModified(lastModified) {
throw new Error("Not Implemented.");
}
/**
* Retrieve saved lastModified value.
*
* @abstract
* @return {Promise}
*/
getLastModified() {
throw new Error("Not Implemented.");
}
/**
* Load a dump of records exported from a server.
*
* @abstract
* @return {Promise}
*/
loadDump(records) {
throw new Error("Not Implemented.");
}
}
exports.default = BaseAdapter;
},{"babel-runtime/core-js/promise":6}],86:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.CollectionTransaction = exports.SyncResultObject = undefined;
var _stringify = require("babel-runtime/core-js/json/stringify");
var _stringify2 = _interopRequireDefault(_stringify);
var _promise = require("babel-runtime/core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
var _asyncToGenerator2 = require("babel-runtime/helpers/asyncToGenerator");
var _asyncToGenerator3 = _interopRequireDefault(_asyncToGenerator2);
var _extends2 = require("babel-runtime/helpers/extends");
var _extends3 = _interopRequireDefault(_extends2);
var _assign = require("babel-runtime/core-js/object/assign");
var _assign2 = _interopRequireDefault(_assign);
exports.recordsEqual = recordsEqual;
var _base = require("./adapters/base");
var _base2 = _interopRequireDefault(_base);
var _IDB = require("./adapters/IDB");
var _IDB2 = _interopRequireDefault(_IDB);
var _utils = require("./utils");
var _uuid = require("uuid");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const RECORD_FIELDS_TO_CLEAN = ["_status"];
const AVAILABLE_HOOKS = ["incoming-changes"];
/**
* Compare two records omitting local fields and synchronization
* attributes (like _status and last_modified)
* @param {Object} a A record to compare.
* @param {Object} b A record to compare.
* @return {boolean}
*/
function recordsEqual(a, b, localFields = []) {
const fieldsToClean = RECORD_FIELDS_TO_CLEAN.concat(["last_modified"]).concat(localFields);
const cleanLocal = r => (0, _utils.omitKeys)(r, fieldsToClean);
return (0, _utils.deepEqual)(cleanLocal(a), cleanLocal(b));
}
/**
* Synchronization result object.
*/
class SyncResultObject {
/**
* Object default values.
* @type {Object}
*/
static get defaults() {
return {
ok: true,
lastModified: null,
errors: [],
created: [],
updated: [],
deleted: [],
published: [],
conflicts: [],
skipped: [],
resolved: []
};
}
/**
* Public constructor.
*/
constructor() {
/**
* Current synchronization result status; becomes `false` when conflicts or
* errors are registered.
* @type {Boolean}
*/
this.ok = true;
(0, _assign2.default)(this, SyncResultObject.defaults);
}
/**
* Adds entries for a given result type.
*
* @param {String} type The result type.
* @param {Array} entries The result entries.
* @return {SyncResultObject}
*/
add(type, entries) {
if (!Array.isArray(this[type])) {
return;
}
// Deduplicate entries by id. If the values don't have `id` attribute, just
// keep all.
const deduplicated = this[type].concat(entries).reduce((acc, cur) => {
const existing = acc.filter(r => cur.id && r.id ? cur.id != r.id : true);
return existing.concat(cur);
}, []);
this[type] = deduplicated;
this.ok = this.errors.length + this.conflicts.length === 0;
return this;
}
/**
* Reinitializes result entries for a given result type.
*
* @param {String} type The result type.
* @return {SyncResultObject}
*/
reset(type) {
this[type] = SyncResultObject.defaults[type];
this.ok = this.errors.length + this.conflicts.length === 0;
return this;
}
}
exports.SyncResultObject = SyncResultObject;
function createUUIDSchema() {
return {
generate() {
return (0, _uuid.v4)();
},
validate(id) {
return (0, _utils.isUUID)(id);
}
};
}
function markStatus(record, status) {
return (0, _extends3.default)({}, record, { _status: status });
}
function markDeleted(record) {
return markStatus(record, "deleted");
}
function markSynced(record) {
return markStatus(record, "synced");
}
/**
* Import a remote change into the local database.
*
* @param {IDBTransactionProxy} transaction The transaction handler.
* @param {Object} remote The remote change object to import.
* @param {Array<String>} localFields The list of fields that remain local.
* @return {Object}
*/
function importChange(transaction, remote, localFields) {
const local = transaction.get(remote.id);
if (!local) {
// Not found locally but remote change is marked as deleted; skip to
// avoid recreation.
if (remote.deleted) {
return { type: "skipped", data: remote };
}
const synced = markSynced(remote);
transaction.create(synced);
return { type: "created", data: synced };
}
// Compare local and remote, ignoring local fields.
const isIdentical = recordsEqual(local, remote, localFields);
// Apply remote changes on local record.
const synced = (0, _extends3.default)({}, local, markSynced(remote));
// Detect or ignore conflicts if record has also been modified locally.
if (local._status !== "synced") {
// Locally deleted, unsynced: scheduled for remote deletion.
if (local._status === "deleted") {
return { type: "skipped", data: local };
}
if (isIdentical) {
// If records are identical, import anyway, so we bump the
// local last_modified value from the server and set record
// status to "synced".
transaction.update(synced);
return { type: "updated", data: { old: local, new: synced } };
}
if (local.last_modified !== undefined && local.last_modified === remote.last_modified) {
// If our local version has the same last_modified as the remote
// one, this represents an object that corresponds to a resolved
// conflict. Our local version represents the final output, so
// we keep that one. (No transaction operation to do.)
// But if our last_modified is undefined,
// that means we've created the same object locally as one on
// the server, which *must* be a conflict.
return { type: "void" };
}
return {
type: "conflicts",
data: { type: "incoming", local: local, remote: remote }
};
}
// Local record was synced.
if (remote.deleted) {
transaction.delete(remote.id);
return { type: "deleted", data: local };
}
// Import locally.
transaction.update(synced);
// if identical, simply exclude it from all SyncResultObject lists
const type = isIdentical ? "void" : "updated";
return { type, data: { old: local, new: synced } };
}
/**
* Abstracts a collection of records stored in the local database, providing
* CRUD operations and synchronization helpers.
*/
class Collection {
/**
* Constructor.
*
* Options:
* - `{BaseAdapter} adapter` The DB adapter (default: `IDB`)
* - `{String} dbPrefix` The DB name prefix (default: `""`)
*
* @param {String} bucket The bucket identifier.
* @param {String} name The collection name.
* @param {Api} api The Api instance.
* @param {Object} options The options object.
*/
constructor(bucket, name, api, options = {}) {
this._bucket = bucket;
this._name = name;
this._lastModified = null;
const DBAdapter = options.adapter || _IDB2.default;
if (!DBAdapter) {
throw new Error("No adapter provided");
}
const dbPrefix = options.dbPrefix || "";
const db = new DBAdapter(`${ dbPrefix }${ bucket }/${ name }`, options.adapterOptions);
if (!(db instanceof _base2.default)) {
throw new Error("Unsupported adapter.");
}
// public properties
/**
* The db adapter instance
* @type {BaseAdapter}
*/
this.db = db;
/**
* The Api instance.
* @type {KintoClient}
*/
this.api = api;
/**
* The event emitter instance.
* @type {EventEmitter}
*/
this.events = options.events;
/**
* The IdSchema instance.
* @type {Object}
*/
this.idSchema = this._validateIdSchema(options.idSchema);
/**
* The list of remote transformers.
* @type {Array}
*/
this.remoteTransformers = this._validateRemoteTransformers(options.remoteTransformers);
/**
* The list of hooks.
* @type {Object}
*/
this.hooks = this._validateHooks(options.hooks);
/**
* The list of fields names that will remain local.
* @type {Array}
*/
this.localFields = options.localFields || [];
}
/**
* The collection name.
* @type {String}
*/
get name() {
return this._name;
}
/**
* The bucket name.
* @type {String}
*/
get bucket() {
return this._bucket;
}
/**
* The last modified timestamp.
* @type {Number}
*/
get lastModified() {
return this._lastModified;
}
/**
* Synchronization strategies. Available strategies are:
*
* - `MANUAL`: Conflicts will be reported in a dedicated array.
* - `SERVER_WINS`: Conflicts are resolved using remote data.
* - `CLIENT_WINS`: Conflicts are resolved using local data.
*
* @type {Object}
*/
static get strategy() {
return {
CLIENT_WINS: "client_wins",
SERVER_WINS: "server_wins",
MANUAL: "manual"
};
}
/**
* Validates an idSchema.
*
* @param {Object|undefined} idSchema
* @return {Object}
*/
_validateIdSchema(idSchema) {
if (typeof idSchema === "undefined") {
return createUUIDSchema();
}
if (typeof idSchema !== "object") {
throw new Error("idSchema must be an object.");
} else if (typeof idSchema.generate !== "function") {
throw new Error("idSchema must provide a generate function.");
} else if (typeof idSchema.validate !== "function") {
throw new Error("idSchema must provide a validate function.");
}
return idSchema;
}
/**
* Validates a list of remote transformers.
*
* @param {Array|undefined} remoteTransformers
* @return {Array}
*/
_validateRemoteTransformers(remoteTransformers) {
if (typeof remoteTransformers === "undefined") {
return [];
}
if (!Array.isArray(remoteTransformers)) {
throw new Error("remoteTransformers should be an array.");
}
return remoteTransformers.map(transformer => {
if (typeof transformer !== "object") {
throw new Error("A transformer must be an object.");
} else if (typeof transformer.encode !== "function") {
throw new Error("A transformer must provide an encode function.");
} else if (typeof transformer.decode !== "function") {
throw new Error("A transformer must provide a decode function.");
}
return transformer;
});
}
/**
* Validate the passed hook is correct.
*
* @param {Array|undefined} hook.
* @return {Array}
**/
_validateHook(hook) {
if (!Array.isArray(hook)) {
throw new Error("A hook definition should be an array of functions.");
}
return hook.map(fn => {
if (typeof fn !== "function") {
throw new Error("A hook definition should be an array of functions.");
}
return fn;
});
}
/**
* Validates a list of hooks.
*
* @param {Object|undefined} hooks
* @return {Object}
*/
_validateHooks(hooks) {
if (typeof hooks === "undefined") {
return {};
}
if (Array.isArray(hooks)) {
throw new Error("hooks should be an object, not an array.");
}
if (typeof hooks !== "object") {
throw new Error("hooks should be an object.");
}
const validatedHooks = {};
for (let hook in hooks) {
if (AVAILABLE_HOOKS.indexOf(hook) === -1) {
throw new Error("The hook should be one of " + AVAILABLE_HOOKS.join(", "));
}
validatedHooks[hook] = this._validateHook(hooks[hook]);
}
return validatedHooks;
}
/**
* Deletes every records in the current collection and marks the collection as
* never synced.
*
* @return {Promise}
*/
clear() {
var _this = this;
return (0, _asyncToGenerator3.default)(function* () {
yield _this.db.clear();
yield _this.db.saveLastModified(null);
return { data: [], permissions: {} };
})();
}
/**
* Encodes a record.
*
* @param {String} type Either "remote" or "local".
* @param {Object} record The record object to encode.
* @return {Promise}
*/
_encodeRecord(type, record) {
if (!this[`${ type }Transformers`].length) {
return _promise2.default.resolve(record);
}
return (0, _utils.waterfall)(this[`${ type }Transformers`].map(transformer => {
return record => transformer.encode(record);
}), record);
}
/**
* Decodes a record.
*
* @param {String} type Either "remote" or "local".
* @param {Object} record The record object to decode.
* @return {Promise}
*/
_decodeRecord(type, record) {
if (!this[`${ type }Transformers`].length) {
return _promise2.default.resolve(record);
}
return (0, _utils.waterfall)(this[`${ type }Transformers`].reverse().map(transformer => {
return record => transformer.decode(record);
}), record);
}
/**
* Adds a record to the local database, asserting that none
* already exist with this ID.
*
* Note: If either the `useRecordId` or `synced` options are true, then the
* record object must contain the id field to be validated. If none of these
* options are true, an id is generated using the current IdSchema; in this
* case, the record passed must not have an id.
*
* Options:
* - {Boolean} synced Sets record status to "synced" (default: `false`).
* - {Boolean} useRecordId Forces the `id` field from the record to be used,
* instead of one that is generated automatically
* (default: `false`).
*
* @param {Object} record
* @param {Object} options
* @return {Promise}
*/
create(record, options = { useRecordId: false, synced: false }) {
// Validate the record and its ID (if any), even though this
// validation is also done in the CollectionTransaction method,
// because we need to pass the ID to preloadIds.
const reject = msg => _promise2.default.reject(new Error(msg));
if (typeof record !== "object") {
return reject("Record is not an object.");
}
if ((options.synced || options.useRecordId) && !record.hasOwnProperty("id")) {
return reject("Missing required Id; synced and useRecordId options require one");
}
if (!options.synced && !options.useRecordId && record.hasOwnProperty("id")) {
return reject("Extraneous Id; can't create a record having one set.");
}
const newRecord = (0, _extends3.default)({}, record, {
id: options.synced || options.useRecordId ? record.id : this.idSchema.generate(),
_status: options.synced ? "synced" : "created"
});
if (!this.idSchema.validate(newRecord.id)) {
return reject(`Invalid Id: ${ newRecord.id }`);
}
return this.execute(txn => txn.create(newRecord), { preloadIds: [newRecord.id] }).catch(err => {
if (options.useRecordId) {
throw new Error("Couldn't create record. It may have been virtually deleted.");
}
throw err;
});
}
/**
* Like {@link CollectionTransaction#update}, but wrapped in its own transaction.
*
* Options:
* - {Boolean} synced: Sets record status to "synced" (default: false)
* - {Boolean} patch: Extends the existing record instead of overwriting it
* (default: false)
*
* @param {Object} record
* @param {Object} options
* @return {Promise}
*/
update(record, options = { synced: false, patch: false }) {
// Validate the record and its ID, even though this validation is
// also done in the CollectionTransaction method, because we need
// to pass the ID to preloadIds.
if (typeof record !== "object") {
return _promise2.default.reject(new Error("Record is not an object."));
}
if (!record.hasOwnProperty("id")) {
return _promise2.default.reject(new Error("Cannot update a record missing id."));
}
if (!this.idSchema.validate(record.id)) {
return _promise2.default.reject(new Error(`Invalid Id: ${ record.id }`));
}
return this.execute(txn => txn.update(record, options), { preloadIds: [record.id] });
}
/**
* Like {@link CollectionTransaction#upsert}, but wrapped in its own transaction.
*
* @param {Object} record
* @return {Promise}
*/
upsert(record) {
// Validate the record and its ID, even though this validation is
// also done in the CollectionTransaction method, because we need
// to pass the ID to preloadIds.
if (typeof record !== "object") {
return _promise2.default.reject(new Error("Record is not an object."));
}
if (!record.hasOwnProperty("id")) {
return _promise2.default.reject(new Error("Cannot update a record missing id."));
}
if (!this.idSchema.validate(record.id)) {
return _promise2.default.reject(new Error(`Invalid Id: ${ record.id }`));
}
return this.execute(txn => txn.upsert(record), { preloadIds: [record.id] });
}
/**
* Like {@link CollectionTransaction#get}, but wrapped in its own transaction.
*
* Options:
* - {Boolean} includeDeleted: Include virtually deleted records.
*
* @param {String} id
* @param {Object} options
* @return {Promise}
*/
get(id, options = { includeDeleted: false }) {
return this.execute(txn => txn.get(id, options), { preloadIds: [id] });
}
/**
* Like {@link CollectionTransaction#getAny}, but wrapped in its own transaction.
*
* @param {String} id
* @return {Promise}
*/
getAny(id) {
return this.execute(txn => txn.getAny(id), { preloadIds: [id] });
}
/**
* Same as {@link Collection#delete}, but wrapped in its own transaction.
*
* Options:
* - {Boolean} virtual: When set to `true`, doesn't actually delete the record,
* update its `_status` attribute to `deleted` instead (default: true)
*
* @param {String} id The record's Id.
* @param {Object} options The options object.
* @return {Promise}
*/
delete(id, options = { virtual: true }) {
return this.execute(transaction => {
return transaction.delete(id, options);
}, { preloadIds: [id] });
}
/**
* The same as {@link CollectionTransaction#deleteAny}, but wrapped
* in its own transaction.
*
* @param {String} id The record's Id.
* @return {Promise}
*/
deleteAny(id) {
return this.execute(txn => txn.deleteAny(id), { preloadIds: [id] });
}
/**
* Lists records from the local database.
*
* Params:
* - {Object} filters Filter the results (default: `{}`).
* - {String} order The order to apply (default: `-last_modified`).
*
* Options:
* - {Boolean} includeDeleted: Include virtually deleted records.
*
* @param {Object} params The filters and order to apply to the results.
* @param {Object} options The options object.
* @return {Promise}
*/
list(params = {}, options = { includeDeleted: false }) {
var _this2 = this;
return (0, _asyncToGenerator3.default)(function* () {
params = (0, _extends3.default)({ order: "-last_modified", filters: {} }, params);
const results = yield _this2.db.list(params);
let data = results;
if (!options.includeDeleted) {
data = results.filter(function (record) {
return record._status !== "deleted";
});
}
return { data, permissions: {} };
})();
}
/**
* Imports remote changes into the local database.
* This method is in charge of detecting the conflicts, and resolve them
* according to the specified strategy.
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Array} decodedChanges The list of changes to import in the local database.
* @param {String} strategy The {@link Collection.strategy} (default: MANUAL)
* @return {Promise}
*/
importChanges(syncResultObject, decodedChanges, strategy = Collection.strategy.MANUAL) {
var _this3 = this;
return (0, _asyncToGenerator3.default)(function* () {
// Retrieve records matching change ids.
try {
const { imports, resolved } = yield _this3.db.execute(function (transaction) {
const imports = decodedChanges.map(function (remote) {
// Store remote change into local database.
return importChange(transaction, remote, _this3.localFields);
});
const conflicts = imports.filter(function (i) {
return i.type === "conflicts";
}).map(function (i) {
return i.data;
});
const resolved = _this3._handleConflicts(transaction, conflicts, strategy);
return { imports, resolved };
}, { preload: decodedChanges.map(function (record) {
return record.id;
}) });
// Lists of created/updated/deleted records
imports.forEach(function ({ type, data }) {
return syncResultObject.add(type, data);
});
// Automatically resolved conflicts (if not manual)
if (resolved.length > 0) {
syncResultObject.reset("conflicts").add("resolved", resolved);
}
} catch (err) {
const data = {
type: "incoming",
message: err.message,
stack: err.stack
};
// XXX one error of the whole transaction instead of per atomic op
syncResultObject.add("errors", data);
}
return syncResultObject;
})();
}
/**
* Imports the responses of pushed changes into the local database.
* Basically it stores the timestamp assigned by the server into the local
* database.
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Array} toApplyLocally The list of changes to import in the local database.
* @param {Array} conflicts The list of conflicts that have to be resolved.
* @param {String} strategy The {@link Collection.strategy}.
* @return {Promise}
*/
_applyPushedResults(syncResultObject, toApplyLocally, conflicts, strategy = Collection.strategy.MANUAL) {
var _this4 = this;
return (0, _asyncToGenerator3.default)(function* () {
const toDeleteLocally = toApplyLocally.filter(function (r) {
return r.deleted;
});
const toUpdateLocally = toApplyLocally.filter(function (r) {
return !r.deleted;
});
const { published, resolved } = yield _this4.db.execute(function (transaction) {
const updated = toUpdateLocally.map(function (record) {
const synced = markSynced(record);
transaction.update(synced);
return synced;
});
const deleted = toDeleteLocally.map(function (record) {
transaction.delete(record.id);
// Amend result data with the deleted attribute set
return { id: record.id, deleted: true };
});
const published = updated.concat(deleted);
// Handle conflicts, if any
const resolved = _this4._handleConflicts(transaction, conflicts, strategy);
return { published, resolved };
});
syncResultObject.add("published", published);
if (resolved.length > 0) {
syncResultObject.reset("conflicts").reset("resolved").add("resolved", resolved);
}
return syncResultObject;
})();
}
/**
* Handles synchronization conflicts according to specified strategy.
*
* @param {SyncResultObject} result The sync result object.
* @param {String} strategy The {@link Collection.strategy}.
* @return {Promise}
*/
_handleConflicts(transaction, conflicts, strategy) {
if (strategy === Collection.strategy.MANUAL) {
return [];
}
return conflicts.map(conflict => {
const resolution = strategy === Collection.strategy.CLIENT_WINS ? conflict.local : conflict.remote;
const updated = this._resolveRaw(conflict, resolution);
transaction.update(updated);
return updated;
});
}
/**
* Execute a bunch of operations in a transaction.
*
* This transaction should be atomic -- either all of its operations
* will succeed, or none will.
*
* The argument to this function is itself a function which will be
* called with a {@link CollectionTransaction}. Collection methods
* are available on this transaction, but instead of returning
* promises, they are synchronous. execute() returns a Promise whose
* value will be the return value of the provided function.
*
* Most operations will require access to the record itself, which
* must be preloaded by passing its ID in the preloadIds option.
*
* Options:
* - {Array} preloadIds: list of IDs to fetch at the beginning of
* the transaction
*
* @return {Promise} Resolves with the result of the given function
* when the transaction commits.
*/
execute(doOperations, { preloadIds = [] } = {}) {
for (let id of preloadIds) {
if (!this.idSchema.validate(id)) {
return _promise2.default.reject(Error(`Invalid Id: ${ id }`));
}
}
return this.db.execute(transaction => {
const txn = new CollectionTransaction(this, transaction);
const result = doOperations(txn);
txn.emitEvents();
return result;
}, { preload: preloadIds });
}
/**
* Resets the local records as if they were never synced; existing records are
* marked as newly created, deleted records are dropped.
*
* A next call to {@link Collection.sync} will thus republish the whole
* content of the local collection to the server.
*
* @return {Promise} Resolves with the number of processed records.
*/
resetSyncStatus() {
var _this5 = this;
return (0, _asyncToGenerator3.default)(function* () {
const unsynced = yield _this5.list({ filters: { _status: ["deleted", "synced"] }, order: "" }, { includeDeleted: true });
yield _this5.db.execute(function (transaction) {
unsynced.data.forEach(function (record) {
if (record._status === "deleted") {
// Garbage collect deleted records.
transaction.delete(record.id);
} else {
// Records that were synced become «created».
transaction.update((0, _extends3.default)({}, record, {
last_modified: undefined,
_status: "created"
}));
}
});
});
_this5._lastModified = null;
yield _this5.db.saveLastModified(null);
return unsynced.data.length;
})();
}
/**
* Returns an object containing two lists:
*
* - `toDelete`: unsynced deleted records we can safely delete;
* - `toSync`: local updates to send to the server.
*
* @return {Promise}
*/
gatherLocalChanges() {
var _this6 = this;
return (0, _asyncToGenerator3.default)(function* () {
const unsynced = yield _this6.list({ filters: { _status: ["created", "updated"] }, order: "" });
const deleted = yield _this6.list({ filters: { _status: "deleted" }, order: "" }, { includeDeleted: true });
const toSync = yield _promise2.default.all(unsynced.data.map(_this6._encodeRecord.bind(_this6, "remote")));
const toDelete = yield _promise2.default.all(deleted.data.map(_this6._encodeRecord.bind(_this6, "remote")));
return { toSync, toDelete };
})();
}
/**
* Fetch remote changes, import them to the local database, and handle
* conflicts according to `options.strategy`. Then, updates the passed
* {@link SyncResultObject} with import results.
*
* Options:
* - {String} strategy: The selected sync strategy.
*
* @param {KintoClient.Collection} client Kinto client Collection instance.
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Object} options
* @return {Promise}
*/
pullChanges(client, syncResultObject, options = {}) {
var _this7 = this;
return (0, _asyncToGenerator3.default)(function* () {
if (!syncResultObject.ok) {
return syncResultObject;
}
const since = _this7.lastModified ? _this7.lastModified : yield _this7.db.getLastModified();
options = (0, _extends3.default)({
strategy: Collection.strategy.MANUAL,
lastModified: since,
headers: {}
}, options);
// Optionally ignore some records when pulling for changes.
// (avoid redownloading our own changes on last step of #sync())
let filters;
if (options.exclude) {
// Limit the list of excluded records to the first 50 records in order
// to remain under de-facto URL size limit (~2000 chars).
// http://stackoverflow.com/questions/417142/what-is-the-maximum-length-of-a-url-in-different-browsers/417184#417184
const exclude_id = options.exclude.slice(0, 50).map(function (r) {
return r.id;
}).join(",");
filters = { exclude_id };
}
// First fetch remote changes from the server
const { data, last_modified } = yield client.listRecords({
// Since should be ETag (see https://github.com/Kinto/kinto.js/issues/356)
since: options.lastModified ? `${ options.lastModified }` : undefined,
headers: options.headers,
filters
});
// last_modified is the ETag header value (string).
// For retro-compatibility with first kinto.js versions
// parse it to integer.
const unquoted = last_modified ? parseInt(last_modified, 10) : undefined;
// Check if server was flushed.
// This is relevant for the Kinto demo server
// (and thus for many new comers).
const localSynced = options.lastModified;
const serverChanged = unquoted > options.lastModified;
const emptyCollection = data.length === 0;
if (!options.exclude && localSynced && serverChanged && emptyCollection) {
throw Error("Server has been flushed.");
}
syncResultObject.lastModified = unquoted;
// Decode incoming changes.
const decodedChanges = yield _promise2.default.all(data.map(function (change) {
return _this7._decodeRecord("remote", change);
}));
// Hook receives decoded records.
const payload = { lastModified: unquoted, changes: decodedChanges };
const afterHooks = yield _this7.applyHook("incoming-changes", payload);
// No change, nothing to import.
if (afterHooks.changes.length > 0) {
// Reflect these changes locally
yield _this7.importChanges(syncResultObject, afterHooks.changes, options.strategy);
}
return syncResultObject;
})();
}
applyHook(hookName, payload) {
if (typeof this.hooks[hookName] == "undefined") {
return _promise2.default.resolve(payload);
}
return (0, _utils.waterfall)(this.hooks[hookName].map(hook => {
return record => {
const result = hook(payload, this);
const resultThenable = result && typeof result.then === "function";
const resultChanges = result && result.hasOwnProperty("changes");
if (!(resultThenable || resultChanges)) {
throw new Error(`Invalid return value for hook: ${ (0, _stringify2.default)(result) } has no 'then()' or 'changes' properties`);
}
return result;
};
}), payload);
}
/**
* Publish local changes to the remote server and updates the passed
* {@link SyncResultObject} with publication results.
*
* @param {KintoClient.Collection} client Kinto client Collection instance.
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Object} changes The change object.
* @param {Array} changes.toDelete The list of records to delete.
* @param {Array} changes.toSync The list of records to create/update.
* @param {Object} options The options object.
* @return {Promise}
*/
pushChanges(client, { toDelete = [], toSync }, syncResultObject, options = {}) {
var _this8 = this;
return (0, _asyncToGenerator3.default)(function* () {
if (!syncResultObject.ok) {
return syncResultObject;
}
const safe = !options.strategy || options.strategy !== Collection.CLIENT_WINS;
// Perform a batch request with every changes.
const synced = yield client.batch(function (batch) {
toDelete.forEach(function (r) {
// never published locally deleted records should not be pusblished
if (r.last_modified) {
batch.deleteRecord(r);
}
});
toSync.forEach(function (r) {
// Clean local fields (like _status) before sending to server.
const published = _this8.cleanLocalFields(r);
if (r._status === "created") {
batch.createRecord(published);
} else {
batch.updateRecord(published);
}
});
}, { headers: options.headers, safe, aggregate: true });
// Store outgoing errors into sync result object
syncResultObject.add("errors", synced.errors.map(function (e) {
return (0, _extends3.default)({}, e, { type: "outgoing" });
}));
// Store outgoing conflicts into sync result object
const conflicts = [];
for (let { type, local, remote } of synced.conflicts) {
// Note: we ensure that local data are actually available, as they may
// be missing in the case of a published deletion.
const safeLocal = local && local.data || { id: remote.id };
const realLocal = yield _this8._decodeRecord("remote", safeLocal);
const realRemote = yield _this8._decodeRecord("remote", remote);
const conflict = { type, local: realLocal, remote: realRemote };
conflicts.push(conflict);
}
syncResultObject.add("conflicts", conflicts);
// Records that must be deleted are either deletions that were pushed
// to server (published) or deleted records that were never pushed (skipped).
const missingRemotely = synced.skipped.map(function (r) {
return (0, _extends3.default)({}, r, { deleted: true });
});
// For created and updated records, the last_modified coming from server
// will be stored locally.
// Reflect publication results locally using the response from
// the batch request.
const published = synced.published.map(function (c) {
return c.data;
});
const toApplyLocally = published.concat(missingRemotely);
// Apply the decode transformers, if any
const decoded = yield _promise2.default.all(toApplyLocally.map(function (record) {
return _this8._decodeRecord("remote", record);
}));
// We have to update the local records with the responses of the server
// (eg. last_modified values etc.).
if (decoded.length > 0 || conflicts.length > 0) {
yield _this8._applyPushedResults(syncResultObject, decoded, conflicts, options.strategy);
}
return syncResultObject;
})();
}
/**
* Return a copy of the specified record without the local fields.
*
* @param {Object} record A record with potential local fields.
* @return {Object}
*/
cleanLocalFields(record) {
const localKeys = RECORD_FIELDS_TO_CLEAN.concat(this.localFields);
return (0, _utils.omitKeys)(record, localKeys);
}
/**
* Resolves a conflict, updating local record according to proposed
* resolution — keeping remote record `last_modified` value as a reference for
* further batch sending.
*
* @param {Object} conflict The conflict object.
* @param {Object} resolution The proposed record.
* @return {Promise}
*/
resolve(conflict, resolution) {
return this.db.execute(transaction => {
const updated = this._resolveRaw(conflict, resolution);
transaction.update(updated);
return { data: updated, permissions: {} };
});
}
/**
* @private
*/
_resolveRaw(conflict, resolution) {
const resolved = (0, _extends3.default)({}, resolution, {
// Ensure local record has the latest authoritative timestamp
last_modified: conflict.remote.last_modified
});
// If the resolution object is strictly equal to the
// remote record, then we can mark it as synced locally.
// Otherwise, mark it as updated (so that the resolution is pushed).
const synced = (0, _utils.deepEqual)(resolved, conflict.remote);
return markStatus(resolved, synced ? "synced" : "updated");
}
/**
* Synchronize remote and local data. The promise will resolve with a
* {@link SyncResultObject}, though will reject:
*
* - if the server is currently backed off;
* - if the server has been detected flushed.
*
* Options:
* - {Object} headers: HTTP headers to attach to outgoing requests.
* - {Collection.strategy} strategy: See {@link Collection.strategy}.
* - {Boolean} ignoreBackoff: Force synchronization even if server is currently
* backed off.
* - {String} bucket: The remove bucket id to use (default: null)
* - {String} collection: The remove collection id to use (default: null)
* - {String} remote The remote Kinto server endpoint to use (default: null).
*
* @param {Object} options Options.
* @return {Promise}
* @throws {Error} If an invalid remote option is passed.
*/
sync(options = {
strategy: Collection.strategy.MANUAL,
headers: {},
ignoreBackoff: false,
bucket: null,
collection: null,
remote: null
}) {
var _this9 = this;
return (0, _asyncToGenerator3.default)(function* () {
const previousRemote = _this9.api.remote;
if (options.remote) {
// Note: setting the remote ensures it's valid, throws when invalid.
_this9.api.remote = options.remote;
}
if (!options.ignoreBackoff && _this9.api.backoff > 0) {
const seconds = Math.ceil(_this9.api.backoff / 1000);
return _promise2.default.reject(new Error(`Server is asking clients to back off; retry in ${ seconds }s or use the ignoreBackoff option.`));
}
const client = _this9.api.bucket(options.bucket || _this9.bucket).collection(options.collection || _this9.name);
const result = new SyncResultObject();
try {
// Fetch last changes from the server.
yield _this9.pullChanges(client, result, options);
const { lastModified } = result;
// Fetch local changes
const { toDelete, toSync } = yield _this9.gatherLocalChanges();
// Publish local changes and pull local resolutions
yield _this9.pushChanges(client, { toDelete, toSync }, result, options);
// Publish local resolution of push conflicts to server (on CLIENT_WINS)
const resolvedUnsynced = result.resolved.filter(function (r) {
return r._status !== "synced";
});
if (resolvedUnsynced.length > 0) {
const resolvedEncoded = yield _promise2.default.all(resolvedUnsynced.map(_this9._encodeRecord.bind(_this9, "remote")));
yield _this9.pushChanges(client, { toSync: resolvedEncoded }, result, options);
}
// Perform a last pull to catch changes that occured after the last pull,
// while local changes were pushed. Do not do it nothing was pushed.
if (result.published.length > 0) {
// Avoid redownloading our own changes during the last pull.
const pullOpts = (0, _extends3.default)({}, options, { lastModified, exclude: result.published });
yield _this9.pullChanges(client, result, pullOpts);
}
// Don't persist lastModified value if any conflict or error occured
if (result.ok) {
// No conflict occured, persist collection's lastModified value
_this9._lastModified = yield _this9.db.saveLastModified(result.lastModified);
}
} finally {
// Ensure API default remote is reverted if a custom one's been used
_this9.api.remote = previousRemote;
}
return result;
})();
}
/**
* Load a list of records already synced with the remote server.
*
* The local records which are unsynced or whose timestamp is either missing
* or superior to those being loaded will be ignored.
*
* @param {Array} records The previously exported list of records to load.
* @return {Promise} with the effectively imported records.
*/
loadDump(records) {
var _this10 = this;
return (0, _asyncToGenerator3.default)(function* () {
if (!Array.isArray(records)) {
throw new Error("Records is not an array.");
}
for (let record of records) {
if (!record.hasOwnProperty("id") || !_this10.idSchema.validate(record.id)) {
throw new Error("Record has invalid ID: " + (0, _stringify2.default)(record));
}
if (!record.last_modified) {
throw new Error("Record has no last_modified value: " + (0, _stringify2.default)(record));
}
}
// Fetch all existing records from local database,
// and skip those who are newer or not marked as synced.
// XXX filter by status / ids in records
const { data } = yield _this10.list({}, { includeDeleted: true });
const existingById = data.reduce(function (acc, record) {
acc[record.id] = record;
return acc;
}, {});
const newRecords = records.filter(function (record) {
const localRecord = existingById[record.id];
const shouldKeep =
// No local record with this id.
localRecord === undefined ||
// Or local record is synced
localRecord._status === "synced" &&
// And was synced from server
localRecord.last_modified !== undefined &&
// And is older than imported one.
record.last_modified > localRecord.last_modified;
return shouldKeep;
});
return yield _this10.db.loadDump(newRecords.map(markSynced));
})();
}
}
exports.default = Collection; /**
* A Collection-oriented wrapper for an adapter's transaction.
*
* This defines the high-level functions available on a collection.
* The collection itself offers functions of the same name. These will
* perform just one operation in its own transaction.
*/
class CollectionTransaction {
constructor(collection, adapterTransaction) {
this.collection = collection;
this.adapterTransaction = adapterTransaction;
this._events = [];
}
_queueEvent(action, payload) {
this._events.push({ action, payload });
}
/**
* Emit queued events, to be called once every transaction operations have
* been executed successfully.
*/
emitEvents() {
for (let { action, payload } of this._events) {
this.collection.events.emit(action, payload);
}
if (this._events.length > 0) {
const targets = this._events.map(({ action, payload }) => (0, _extends3.default)({ action }, payload));
this.collection.events.emit("change", { targets });
}
this._events = [];
}
/**
* Retrieve a record by its id from the local database, or
* undefined if none exists.
*
* This will also return virtually deleted records.
*
* @param {String} id
* @return {Object}
*/
getAny(id) {
const record = this.adapterTransaction.get(id);
return { data: record, permissions: {} };
}
/**
* Retrieve a record by its id from the local database.
*
* Options:
* - {Boolean} includeDeleted: Include virtually deleted records.
*
* @param {String} id
* @param {Object} options
* @return {Object}
*/
get(id, options = { includeDeleted: false }) {
const res = this.getAny(id);
if (!res.data || !options.includeDeleted && res.data._status === "deleted") {
throw new Error(`Record with id=${ id } not found.`);
}
return res;
}
/**
* Deletes a record from the local database.
*
* Options:
* - {Boolean} virtual: When set to `true`, doesn't actually delete the record,
* update its `_status` attribute to `deleted` instead (default: true)
*
* @param {String} id The record's Id.
* @param {Object} options The options object.
* @return {Object}
*/
delete(id, options = { virtual: true }) {
// Ensure the record actually exists.
const existing = this.adapterTransaction.get(id);
const alreadyDeleted = existing && existing._status == "deleted";
if (!existing || alreadyDeleted && options.virtual) {
throw new Error(`Record with id=${ id } not found.`);
}
// Virtual updates status.
if (options.virtual) {
this.adapterTransaction.update(markDeleted(existing));
} else {
// Delete for real.
this.adapterTransaction.delete(id);
}
this._queueEvent("delete", { data: existing });
return { data: existing, permissions: {} };
}
/**
* Deletes a record from the local database, if any exists.
* Otherwise, do nothing.
*
* @param {String} id The record's Id.
* @return {Object}
*/
deleteAny(id) {
const existing = this.adapterTransaction.get(id);
if (existing) {
this.adapterTransaction.update(markDeleted(existing));
this._queueEvent("delete", { data: existing });
}
return { data: (0, _extends3.default)({ id }, existing), deleted: !!existing, permissions: {} };
}
/**
* Adds a record to the local database, asserting that none
* already exist with this ID.
*
* @param {Object} record, which must contain an ID
* @return {Object}
*/
create(record) {
if (typeof record !== "object") {
throw new Error("Record is not an object.");
}
if (!record.hasOwnProperty("id")) {
throw new Error("Cannot create a record missing id");
}
if (!this.collection.idSchema.validate(record.id)) {
throw new Error(`Invalid Id: ${ record.id }`);
}
this.adapterTransaction.create(record);
this._queueEvent("create", { data: record });
return { data: record, permissions: {} };
}
/**
* Updates a record from the local database.
*
* Options:
* - {Boolean} synced: Sets record status to "synced" (default: false)
* - {Boolean} patch: Extends the existing record instead of overwriting it
* (default: false)
*
* @param {Object} record
* @param {Object} options
* @return {Object}
*/
update(record, options = { synced: false, patch: false }) {
if (typeof record !== "object") {
throw new Error("Record is not an object.");
}
if (!record.hasOwnProperty("id")) {
throw new Error("Cannot update a record missing id.");
}
if (!this.collection.idSchema.validate(record.id)) {
throw new Error(`Invalid Id: ${ record.id }`);
}
const oldRecord = this.adapterTransaction.get(record.id);
if (!oldRecord) {
throw new Error(`Record with id=${ record.id } not found.`);
}
const newRecord = options.patch ? (0, _extends3.default)({}, oldRecord, record) : record;
const updated = this._updateRaw(oldRecord, newRecord, options);
this.adapterTransaction.update(updated);
this._queueEvent("update", { data: updated, oldRecord });
return { data: updated, oldRecord, permissions: {} };
}
/**
* Lower-level primitive for updating a record while respecting
* _status and last_modified.
*
* @param {Object} oldRecord: the record retrieved from the DB
* @param {Object} newRecord: the record to replace it with
* @return {Object}
*/
_updateRaw(oldRecord, newRecord, { synced = false } = {}) {
const updated = (0, _extends3.default)({}, newRecord);
// Make sure to never loose the existing timestamp.
if (oldRecord && oldRecord.last_modified && !updated.last_modified) {
updated.last_modified = oldRecord.last_modified;
}
// If only local fields have changed, then keep record as synced.
// If status is created, keep record as created.
// If status is deleted, mark as updated.
const isIdentical = oldRecord && recordsEqual(oldRecord, updated, this.localFields);
const keepSynced = isIdentical && oldRecord._status == "synced";
const neverSynced = !oldRecord || oldRecord && oldRecord._status == "created";
const newStatus = keepSynced || synced ? "synced" : neverSynced ? "created" : "updated";
return markStatus(updated, newStatus);
}
/**
* Upsert a record into the local database.
*
* This record must have an ID.
*
* If a record with this ID already exists, it will be replaced.
* Otherwise, this record will be inserted.
*
* @param {Object} record
* @return {Object}
*/
upsert(record) {
if (typeof record !== "object") {
throw new Error("Record is not an object.");
}
if (!record.hasOwnProperty("id")) {
throw new Error("Cannot update a record missing id.");
}
if (!this.collection.idSchema.validate(record.id)) {
throw new Error(`Invalid Id: ${ record.id }`);
}
let oldRecord = this.adapterTransaction.get(record.id);
const updated = this._updateRaw(oldRecord, record);
this.adapterTransaction.update(updated);
// Don't return deleted records -- pretend they are gone
if (oldRecord && oldRecord._status == "deleted") {
oldRecord = undefined;
}
if (oldRecord) {
this._queueEvent("update", { data: updated, oldRecord });
} else {
this._queueEvent("create", { data: updated });
}
return { data: updated, oldRecord, permissions: {} };
}
}
exports.CollectionTransaction = CollectionTransaction;
},{"./adapters/IDB":84,"./adapters/base":85,"./utils":87,"babel-runtime/core-js/json/stringify":3,"babel-runtime/core-js/object/assign":4,"babel-runtime/core-js/promise":6,"babel-runtime/helpers/asyncToGenerator":7,"babel-runtime/helpers/extends":8,"uuid":9}],87:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.RE_UUID = undefined;
var _promise = require("babel-runtime/core-js/promise");
var _promise2 = _interopRequireDefault(_promise);
var _keys = require("babel-runtime/core-js/object/keys");
var _keys2 = _interopRequireDefault(_keys);
exports.sortObjects = sortObjects;
exports.filterObject = filterObject;
exports.filterObjects = filterObjects;
exports.isUUID = isUUID;
exports.waterfall = waterfall;
exports.deepEqual = deepEqual;
exports.omitKeys = omitKeys;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const RE_UUID = exports.RE_UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
/**
* Checks if a value is undefined.
* @param {Any} value
* @return {Boolean}
*/
function _isUndefined(value) {
return typeof value === "undefined";
}
/**
* Sorts records in a list according to a given ordering.
*
* @param {String} order The ordering, eg. `-last_modified`.
* @param {Array} list The collection to order.
* @return {Array}
*/
function sortObjects(order, list) {
const hasDash = order[0] === "-";
const field = hasDash ? order.slice(1) : order;
const direction = hasDash ? -1 : 1;
return list.slice().sort((a, b) => {
if (a[field] && _isUndefined(b[field])) {
return direction;
}
if (b[field] && _isUndefined(a[field])) {
return -direction;
}
if (_isUndefined(a[field]) && _isUndefined(b[field])) {
return 0;
}
return a[field] > b[field] ? direction : -direction;
});
}
/**
* Test if a single object matches all given filters.
*
* @param {Object} filters The filters object.
* @param {Object} entry The object to filter.
* @return {Function}
*/
function filterObject(filters, entry) {
return (0, _keys2.default)(filters).every(filter => {
const value = filters[filter];
if (Array.isArray(value)) {
return value.some(candidate => candidate === entry[filter]);
}
return entry[filter] === value;
});
}
/**
* Filters records in a list matching all given filters.
*
* @param {Object} filters The filters object.
* @param {Array} list The collection to filter.
* @return {Array}
*/
function filterObjects(filters, list) {
return list.filter(entry => {
return filterObject(filters, entry);
});
}
/**
* Checks if a string is an UUID.
*
* @param {String} uuid The uuid to validate.
* @return {Boolean}
*/
function isUUID(uuid) {
return RE_UUID.test(uuid);
}
/**
* Resolves a list of functions sequentially, which can be sync or async; in
* case of async, functions must return a promise.
*
* @param {Array} fns The list of functions.
* @param {Any} init The initial value.
* @return {Promise}
*/
function waterfall(fns, init) {
if (!fns.length) {
return _promise2.default.resolve(init);
}
return fns.reduce((promise, nextFn) => {
return promise.then(nextFn);
}, _promise2.default.resolve(init));
}
/**
* Simple deep object comparison function. This only supports comparison of
* serializable JavaScript objects.
*
* @param {Object} a The source object.
* @param {Object} b The compared object.
* @return {Boolean}
*/
function deepEqual(a, b) {
if (a === b) {
return true;
}
if (typeof a !== typeof b) {
return false;
}
if (!(a && typeof a == "object") || !(b && typeof b == "object")) {
return false;
}
if ((0, _keys2.default)(a).length !== (0, _keys2.default)(b).length) {
return false;
}
for (let k in a) {
if (!deepEqual(a[k], b[k])) {
return false;
}
}
return true;
}
/**
* Return an object without the specified keys.
*
* @param {Object} obj The original object.
* @param {Array} keys The list of keys to exclude.
* @return {Object} A copy without the specified keys.
*/
function omitKeys(obj, keys = []) {
return (0, _keys2.default)(obj).reduce((acc, key) => {
if (keys.indexOf(key) === -1) {
acc[key] = obj[key];
}
return acc;
}, {});
}
},{"babel-runtime/core-js/object/keys":5,"babel-runtime/core-js/promise":6}]},{},[2])(2)
});