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

3815 строки
119 KiB
JavaScript

/*
*
* 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"];
(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){
/*
* 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 _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _srcAdaptersBase = require("../src/adapters/base");
var _srcAdaptersBase2 = _interopRequireDefault(_srcAdaptersBase);
Components.utils["import"]("resource://gre/modules/Sqlite.jsm");
Components.utils["import"]("resource://gre/modules/Task.jsm");
var statements = {
"createCollectionData": "\n CREATE TABLE collection_data (\n collection_name TEXT,\n record_id TEXT,\n record TEXT\n );",
"createCollectionMetadata": "\n CREATE TABLE collection_metadata (\n collection_name TEXT PRIMARY KEY,\n last_modified INTEGER\n ) WITHOUT ROWID;",
"createCollectionDataRecordIdIndex": "\n CREATE UNIQUE INDEX unique_collection_record\n ON collection_data(collection_name, record_id);",
"clearData": "\n DELETE FROM collection_data\n WHERE collection_name = :collection_name;",
"createData": "\n INSERT INTO collection_data (collection_name, record_id, record)\n VALUES (:collection_name, :record_id, :record);",
"updateData": "\n UPDATE collection_data\n SET record = :record\n WHERE collection_name = :collection_name\n AND record_id = :record_id;",
"deleteData": "\n DELETE FROM collection_data\n WHERE collection_name = :collection_name\n AND record_id = :record_id;",
"saveLastModified": "\n REPLACE INTO collection_metadata (collection_name, last_modified)\n VALUES (:collection_name, :last_modified);",
"getLastModified": "\n SELECT last_modified\n FROM collection_metadata\n WHERE collection_name = :collection_name;",
"getRecord": "\n SELECT record\n FROM collection_data\n WHERE collection_name = :collection_name\n AND record_id = :record_id;",
"listRecords": "\n SELECT record\n FROM collection_data\n WHERE collection_name = :collection_name;",
"importData": "\n REPLACE INTO collection_data (collection_name, record_id, record)\n VALUES (:collection_name, :record_id, :record);"
};
var createStatements = ["createCollectionData", "createCollectionMetadata", "createCollectionDataRecordIdIndex"];
var currentSchemaVersion = 1;
var FirefoxAdapter = (function (_BaseAdapter) {
_inherits(FirefoxAdapter, _BaseAdapter);
function FirefoxAdapter(collection) {
_classCallCheck(this, FirefoxAdapter);
_get(Object.getPrototypeOf(FirefoxAdapter.prototype), "constructor", this).call(this);
this.collection = collection;
}
_createClass(FirefoxAdapter, [{
key: "_init",
value: function _init(connection) {
return Task.spawn(function* () {
yield connection.executeTransaction(function* doSetup() {
var schema = yield connection.getSchemaVersion();
if (schema == 0) {
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = createStatements[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var statementName = _step.value;
yield connection.execute(statements[statementName]);
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
yield connection.setSchemaVersion(currentSchemaVersion);
} else if (schema != 1) {
throw new Error("Unknown database schema: " + schema);
}
});
return connection;
});
}
}, {
key: "_executeStatement",
value: function _executeStatement(statement, params) {
if (!this._connection) {
throw new Error("The storage adapter is not open");
}
return this._connection.executeCached(statement, params);
}
}, {
key: "open",
value: function open() {
var self = this;
return Task.spawn(function* () {
var opts = { path: "kinto.sqlite", sharedMemoryCache: false };
if (!self._connection) {
self._connection = yield Sqlite.openConnection(opts).then(self._init);
}
});
}
}, {
key: "close",
value: function close() {
if (this._connection) {
var promise = this._connection.close();
this._connection = null;
return promise;
}
return Promise.resolve();
}
}, {
key: "clear",
value: function clear() {
var params = { collection_name: this.collection };
return this._executeStatement(statements.clearData, params);
}
}, {
key: "create",
value: function create(record) {
var params = {
collection_name: this.collection,
record_id: record.id,
record: JSON.stringify(record)
};
return this._executeStatement(statements.createData, params).then(() => record);
}
}, {
key: "update",
value: function update(record) {
var params = {
collection_name: this.collection,
record_id: record.id,
record: JSON.stringify(record)
};
return this._executeStatement(statements.updateData, params).then(() => record);
}
}, {
key: "get",
value: function get(id) {
var 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"));
});
}
}, {
key: "delete",
value: function _delete(id) {
var params = {
collection_name: this.collection,
record_id: id
};
return this._executeStatement(statements.deleteData, params).then(() => id);
}
}, {
key: "list",
value: function list() {
var params = {
collection_name: this.collection
};
return this._executeStatement(statements.listRecords, params).then(result => {
var records = [];
for (var k = 0; k < result.length; k++) {
var row = result[k];
records.push(JSON.parse(row.getResultByName("record")));
}
return records;
});
}
/**
* 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.
*/
}, {
key: "loadDump",
value: function loadDump(records) {
var connection = this._connection;
var collection_name = this.collection;
return Task.spawn(function* () {
yield connection.executeTransaction(function* doImport() {
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = records[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var record = _step2.value;
var _params = {
collection_name: collection_name,
record_id: record.id,
record: JSON.stringify(record)
};
yield connection.execute(statements.importData, _params);
}
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
var lastModified = Math.max.apply(Math, _toConsumableArray(records.map(record => record.last_modified)));
var params = {
collection_name: collection_name
};
var previousLastModified = yield connection.execute(statements.getLastModified, params).then(result => {
return result ? result[0].getResultByName('last_modified') : -1;
});
if (lastModified > previousLastModified) {
var _params2 = {
collection_name: collection_name,
last_modified: lastModified
};
yield connection.execute(statements.saveLastModified, _params2);
}
});
return records;
});
}
}, {
key: "saveLastModified",
value: function saveLastModified(lastModified) {
var parsedLastModified = parseInt(lastModified, 10) || null;
var params = {
collection_name: this.collection,
last_modified: parsedLastModified
};
return this._executeStatement(statements.saveLastModified, params).then(() => parsedLastModified);
}
}, {
key: "getLastModified",
value: function getLastModified() {
var 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");
});
}
}]);
return FirefoxAdapter;
})(_srcAdaptersBase2["default"]);
exports["default"] = FirefoxAdapter;
module.exports = exports["default"];
},{"../src/adapters/base":11}],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 _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _get = function get(_x2, _x3, _x4) { var _again = true; _function: while (_again) { var object = _x2, property = _x3, receiver = _x4; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x2 = parent; _x3 = property; _x4 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };
exports["default"] = loadKinto;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _srcAdaptersBase = require("../src/adapters/base");
var _srcAdaptersBase2 = _interopRequireDefault(_srcAdaptersBase);
var _srcKintoBase = require("../src/KintoBase");
var _srcKintoBase2 = _interopRequireDefault(_srcKintoBase);
var _FirefoxStorage = require("./FirefoxStorage");
var _FirefoxStorage2 = _interopRequireDefault(_FirefoxStorage);
var Cu = Components.utils;
function loadKinto() {
var _Cu$import = Cu["import"]("resource://devtools/shared/event-emitter.js", {});
var EventEmitter = _Cu$import.EventEmitter;
Cu["import"]("resource://gre/modules/Timer.jsm");
Cu.importGlobalProperties(['fetch']);
var KintoFX = (function (_KintoBase) {
_inherits(KintoFX, _KintoBase);
_createClass(KintoFX, null, [{
key: "adapters",
get: function get() {
return {
BaseAdapter: _srcAdaptersBase2["default"],
FirefoxAdapter: _FirefoxStorage2["default"]
};
}
}]);
function KintoFX() {
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
_classCallCheck(this, KintoFX);
var emitter = {};
EventEmitter.decorate(emitter);
var defaults = {
events: emitter
};
var expandedOptions = Object.assign(defaults, options);
_get(Object.getPrototypeOf(KintoFX.prototype), "constructor", this).call(this, expandedOptions);
}
return KintoFX;
})(_srcKintoBase2["default"]);
return KintoFX;
}
module.exports = exports["default"];
},{"../src/KintoBase":10,"../src/adapters/base":11,"./FirefoxStorage":1}],3:[function(require,module,exports){
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
//
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
//
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// when used in node, this will actually load the util module we depend on
// versus loading the builtin util module as happens otherwise
// this is a bug in node module loading as far as I am concerned
var util = require('util/');
var pSlice = Array.prototype.slice;
var hasOwn = Object.prototype.hasOwnProperty;
// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.
var assert = module.exports = ok;
// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
// actual: actual,
// expected: expected })
assert.AssertionError = function AssertionError(options) {
this.name = 'AssertionError';
this.actual = options.actual;
this.expected = options.expected;
this.operator = options.operator;
if (options.message) {
this.message = options.message;
this.generatedMessage = false;
} else {
this.message = getMessage(this);
this.generatedMessage = true;
}
var stackStartFunction = options.stackStartFunction || fail;
if (Error.captureStackTrace) {
Error.captureStackTrace(this, stackStartFunction);
}
else {
// non v8 browsers so we can have a stacktrace
var err = new Error();
if (err.stack) {
var out = err.stack;
// try to strip useless frames
var fn_name = stackStartFunction.name;
var idx = out.indexOf('\n' + fn_name);
if (idx >= 0) {
// once we have located the function frame
// we need to strip out everything before it (and its line)
var next_line = out.indexOf('\n', idx + 1);
out = out.substring(next_line + 1);
}
this.stack = out;
}
}
};
// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);
function replacer(key, value) {
if (util.isUndefined(value)) {
return '' + value;
}
if (util.isNumber(value) && !isFinite(value)) {
return value.toString();
}
if (util.isFunction(value) || util.isRegExp(value)) {
return value.toString();
}
return value;
}
function truncate(s, n) {
if (util.isString(s)) {
return s.length < n ? s : s.slice(0, n);
} else {
return s;
}
}
function getMessage(self) {
return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
self.operator + ' ' +
truncate(JSON.stringify(self.expected, replacer), 128);
}
// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.
// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided. All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.
function fail(actual, expected, message, operator, stackStartFunction) {
throw new assert.AssertionError({
message: message,
actual: actual,
expected: expected,
operator: operator,
stackStartFunction: stackStartFunction
});
}
// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;
// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.
function ok(value, message) {
if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;
// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);
assert.equal = function equal(actual, expected, message) {
if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};
// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);
assert.notEqual = function notEqual(actual, expected, message) {
if (actual == expected) {
fail(actual, expected, message, '!=', assert.notEqual);
}
};
// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);
assert.deepEqual = function deepEqual(actual, expected, message) {
if (!_deepEqual(actual, expected)) {
fail(actual, expected, message, 'deepEqual', assert.deepEqual);
}
};
function _deepEqual(actual, expected) {
// 7.1. All identical values are equivalent, as determined by ===.
if (actual === expected) {
return true;
} else if (util.isBuffer(actual) && util.isBuffer(expected)) {
if (actual.length != expected.length) return false;
for (var i = 0; i < actual.length; i++) {
if (actual[i] !== expected[i]) return false;
}
return true;
// 7.2. If the expected value is a Date object, the actual value is
// equivalent if it is also a Date object that refers to the same time.
} else if (util.isDate(actual) && util.isDate(expected)) {
return actual.getTime() === expected.getTime();
// 7.3 If the expected value is a RegExp object, the actual value is
// equivalent if it is also a RegExp object with the same source and
// properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
} else if (util.isRegExp(actual) && util.isRegExp(expected)) {
return actual.source === expected.source &&
actual.global === expected.global &&
actual.multiline === expected.multiline &&
actual.lastIndex === expected.lastIndex &&
actual.ignoreCase === expected.ignoreCase;
// 7.4. Other pairs that do not both pass typeof value == 'object',
// equivalence is determined by ==.
} else if (!util.isObject(actual) && !util.isObject(expected)) {
return actual == expected;
// 7.5 For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical 'prototype' property. Note: this
// accounts for both named and indexed properties on Arrays.
} else {
return objEquiv(actual, expected);
}
}
function isArguments(object) {
return Object.prototype.toString.call(object) == '[object Arguments]';
}
function objEquiv(a, b) {
if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
return false;
// an identical 'prototype' property.
if (a.prototype !== b.prototype) return false;
// if one is a primitive, the other must be same
if (util.isPrimitive(a) || util.isPrimitive(b)) {
return a === b;
}
var aIsArgs = isArguments(a),
bIsArgs = isArguments(b);
if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
return false;
if (aIsArgs) {
a = pSlice.call(a);
b = pSlice.call(b);
return _deepEqual(a, b);
}
var ka = objectKeys(a),
kb = objectKeys(b),
key, i;
// having the same number of owned properties (keys incorporates
// hasOwnProperty)
if (ka.length != kb.length)
return false;
//the same set of keys (although not necessarily the same order),
ka.sort();
kb.sort();
//~~~cheap key test
for (i = ka.length - 1; i >= 0; i--) {
if (ka[i] != kb[i])
return false;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for (i = ka.length - 1; i >= 0; i--) {
key = ka[i];
if (!_deepEqual(a[key], b[key])) return false;
}
return true;
}
// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
if (_deepEqual(actual, expected)) {
fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
}
};
// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);
assert.strictEqual = function strictEqual(actual, expected, message) {
if (actual !== expected) {
fail(actual, expected, message, '===', assert.strictEqual);
}
};
// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
if (actual === expected) {
fail(actual, expected, message, '!==', assert.notStrictEqual);
}
};
function expectedException(actual, expected) {
if (!actual || !expected) {
return false;
}
if (Object.prototype.toString.call(expected) == '[object RegExp]') {
return expected.test(actual);
} else if (actual instanceof expected) {
return true;
} else if (expected.call({}, actual) === true) {
return true;
}
return false;
}
function _throws(shouldThrow, block, expected, message) {
var actual;
if (util.isString(expected)) {
message = expected;
expected = null;
}
try {
block();
} catch (e) {
actual = e;
}
message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
(message ? ' ' + message : '.');
if (shouldThrow && !actual) {
fail(actual, expected, 'Missing expected exception' + message);
}
if (!shouldThrow && expectedException(actual, expected)) {
fail(actual, expected, 'Got unwanted exception' + message);
}
if ((shouldThrow && actual && expected &&
!expectedException(actual, expected)) || (!shouldThrow && actual)) {
throw actual;
}
}
// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);
assert.throws = function(block, /*optional*/error, /*optional*/message) {
_throws.apply(this, [true].concat(pSlice.call(arguments)));
};
// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
_throws.apply(this, [false].concat(pSlice.call(arguments)));
};
assert.ifError = function(err) { if (err) {throw err;}};
var objectKeys = Object.keys || function (obj) {
var keys = [];
for (var key in obj) {
if (hasOwn.call(obj, key)) keys.push(key);
}
return keys;
};
},{"util/":7}],4:[function(require,module,exports){
if (typeof Object.create === 'function') {
// implementation from standard node.js 'util' module
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
ctor.prototype = Object.create(superCtor.prototype, {
constructor: {
value: ctor,
enumerable: false,
writable: true,
configurable: true
}
});
};
} else {
// old school shim for old browsers
module.exports = function inherits(ctor, superCtor) {
ctor.super_ = superCtor
var TempCtor = function () {}
TempCtor.prototype = superCtor.prototype
ctor.prototype = new TempCtor()
ctor.prototype.constructor = ctor
}
}
},{}],5:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;
function cleanUpNextTick() {
draining = false;
if (currentQueue.length) {
queue = currentQueue.concat(queue);
} else {
queueIndex = -1;
}
if (queue.length) {
drainQueue();
}
}
function drainQueue() {
if (draining) {
return;
}
var timeout = setTimeout(cleanUpNextTick);
draining = true;
var len = queue.length;
while(len) {
currentQueue = queue;
queue = [];
while (++queueIndex < len) {
if (currentQueue) {
currentQueue[queueIndex].run();
}
}
queueIndex = -1;
len = queue.length;
}
currentQueue = null;
draining = false;
clearTimeout(timeout);
}
process.nextTick = function (fun) {
var args = new Array(arguments.length - 1);
if (arguments.length > 1) {
for (var i = 1; i < arguments.length; i++) {
args[i - 1] = arguments[i];
}
}
queue.push(new Item(fun, args));
if (queue.length === 1 && !draining) {
setTimeout(drainQueue, 0);
}
};
// v8 likes predictible objects
function Item(fun, array) {
this.fun = fun;
this.array = array;
}
Item.prototype.run = function () {
this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};
function noop() {}
process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.binding = function (name) {
throw new Error('process.binding is not supported');
};
process.cwd = function () { return '/' };
process.chdir = function (dir) {
throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };
},{}],6:[function(require,module,exports){
module.exports = function isBuffer(arg) {
return arg && typeof arg === 'object'
&& typeof arg.copy === 'function'
&& typeof arg.fill === 'function'
&& typeof arg.readUInt8 === 'function';
}
},{}],7:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
if (!isString(f)) {
var objects = [];
for (var i = 0; i < arguments.length; i++) {
objects.push(inspect(arguments[i]));
}
return objects.join(' ');
}
var i = 1;
var args = arguments;
var len = args.length;
var str = String(f).replace(formatRegExp, function(x) {
if (x === '%%') return '%';
if (i >= len) return x;
switch (x) {
case '%s': return String(args[i++]);
case '%d': return Number(args[i++]);
case '%j':
try {
return JSON.stringify(args[i++]);
} catch (_) {
return '[Circular]';
}
default:
return x;
}
});
for (var x = args[i]; i < len; x = args[++i]) {
if (isNull(x) || !isObject(x)) {
str += ' ' + x;
} else {
str += ' ' + inspect(x);
}
}
return str;
};
// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
// Allow for deprecating things in the process of starting up.
if (isUndefined(global.process)) {
return function() {
return exports.deprecate(fn, msg).apply(this, arguments);
};
}
if (process.noDeprecation === true) {
return fn;
}
var warned = false;
function deprecated() {
if (!warned) {
if (process.throwDeprecation) {
throw new Error(msg);
} else if (process.traceDeprecation) {
console.trace(msg);
} else {
console.error(msg);
}
warned = true;
}
return fn.apply(this, arguments);
}
return deprecated;
};
var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
if (isUndefined(debugEnviron))
debugEnviron = process.env.NODE_DEBUG || '';
set = set.toUpperCase();
if (!debugs[set]) {
if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
var pid = process.pid;
debugs[set] = function() {
var msg = exports.format.apply(exports, arguments);
console.error('%s %d: %s', set, pid, msg);
};
} else {
debugs[set] = function() {};
}
}
return debugs[set];
};
/**
* Echos the value of a value. Trys to print the value out
* in the best way possible given the different types.
*
* @param {Object} obj The object to print out.
* @param {Object} opts Optional options object that alters the output.
*/
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
// default options
var ctx = {
seen: [],
stylize: stylizeNoColor
};
// legacy...
if (arguments.length >= 3) ctx.depth = arguments[2];
if (arguments.length >= 4) ctx.colors = arguments[3];
if (isBoolean(opts)) {
// legacy...
ctx.showHidden = opts;
} else if (opts) {
// got an "options" object
exports._extend(ctx, opts);
}
// set default options
if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
if (isUndefined(ctx.depth)) ctx.depth = 2;
if (isUndefined(ctx.colors)) ctx.colors = false;
if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
if (ctx.colors) ctx.stylize = stylizeWithColor;
return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
'bold' : [1, 22],
'italic' : [3, 23],
'underline' : [4, 24],
'inverse' : [7, 27],
'white' : [37, 39],
'grey' : [90, 39],
'black' : [30, 39],
'blue' : [34, 39],
'cyan' : [36, 39],
'green' : [32, 39],
'magenta' : [35, 39],
'red' : [31, 39],
'yellow' : [33, 39]
};
// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
'special': 'cyan',
'number': 'yellow',
'boolean': 'yellow',
'undefined': 'grey',
'null': 'bold',
'string': 'green',
'date': 'magenta',
// "name": intentionally not styling
'regexp': 'red'
};
function stylizeWithColor(str, styleType) {
var style = inspect.styles[styleType];
if (style) {
return '\u001b[' + inspect.colors[style][0] + 'm' + str +
'\u001b[' + inspect.colors[style][1] + 'm';
} else {
return str;
}
}
function stylizeNoColor(str, styleType) {
return str;
}
function arrayToHash(array) {
var hash = {};
array.forEach(function(val, idx) {
hash[val] = true;
});
return hash;
}
function formatValue(ctx, value, recurseTimes) {
// Provide a hook for user-specified inspect functions.
// Check that value is an object with an inspect function on it
if (ctx.customInspect &&
value &&
isFunction(value.inspect) &&
// Filter out the util module, it's inspect function is special
value.inspect !== exports.inspect &&
// Also filter out any prototype objects using the circular check.
!(value.constructor && value.constructor.prototype === value)) {
var ret = value.inspect(recurseTimes, ctx);
if (!isString(ret)) {
ret = formatValue(ctx, ret, recurseTimes);
}
return ret;
}
// Primitive types cannot have properties
var primitive = formatPrimitive(ctx, value);
if (primitive) {
return primitive;
}
// Look up the keys of the object.
var keys = Object.keys(value);
var visibleKeys = arrayToHash(keys);
if (ctx.showHidden) {
keys = Object.getOwnPropertyNames(value);
}
// IE doesn't make error fields non-enumerable
// http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
if (isError(value)
&& (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
return formatError(value);
}
// Some type of object without properties can be shortcutted.
if (keys.length === 0) {
if (isFunction(value)) {
var name = value.name ? ': ' + value.name : '';
return ctx.stylize('[Function' + name + ']', 'special');
}
if (isRegExp(value)) {
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
}
if (isDate(value)) {
return ctx.stylize(Date.prototype.toString.call(value), 'date');
}
if (isError(value)) {
return formatError(value);
}
}
var base = '', array = false, braces = ['{', '}'];
// Make Array say that they are Array
if (isArray(value)) {
array = true;
braces = ['[', ']'];
}
// Make functions say that they are functions
if (isFunction(value)) {
var n = value.name ? ': ' + value.name : '';
base = ' [Function' + n + ']';
}
// Make RegExps say that they are RegExps
if (isRegExp(value)) {
base = ' ' + RegExp.prototype.toString.call(value);
}
// Make dates with properties first say the date
if (isDate(value)) {
base = ' ' + Date.prototype.toUTCString.call(value);
}
// Make error with message first say the error
if (isError(value)) {
base = ' ' + formatError(value);
}
if (keys.length === 0 && (!array || value.length == 0)) {
return braces[0] + base + braces[1];
}
if (recurseTimes < 0) {
if (isRegExp(value)) {
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
} else {
return ctx.stylize('[Object]', 'special');
}
}
ctx.seen.push(value);
var output;
if (array) {
output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
} else {
output = keys.map(function(key) {
return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
});
}
ctx.seen.pop();
return reduceToSingleString(output, base, braces);
}
function formatPrimitive(ctx, value) {
if (isUndefined(value))
return ctx.stylize('undefined', 'undefined');
if (isString(value)) {
var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
.replace(/'/g, "\\'")
.replace(/\\"/g, '"') + '\'';
return ctx.stylize(simple, 'string');
}
if (isNumber(value))
return ctx.stylize('' + value, 'number');
if (isBoolean(value))
return ctx.stylize('' + value, 'boolean');
// For some reason typeof null is "object", so special case here.
if (isNull(value))
return ctx.stylize('null', 'null');
}
function formatError(value) {
return '[' + Error.prototype.toString.call(value) + ']';
}
function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
var output = [];
for (var i = 0, l = value.length; i < l; ++i) {
if (hasOwnProperty(value, String(i))) {
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
String(i), true));
} else {
output.push('');
}
}
keys.forEach(function(key) {
if (!key.match(/^\d+$/)) {
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
key, true));
}
});
return output;
}
function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
var name, str, desc;
desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
if (desc.get) {
if (desc.set) {
str = ctx.stylize('[Getter/Setter]', 'special');
} else {
str = ctx.stylize('[Getter]', 'special');
}
} else {
if (desc.set) {
str = ctx.stylize('[Setter]', 'special');
}
}
if (!hasOwnProperty(visibleKeys, key)) {
name = '[' + key + ']';
}
if (!str) {
if (ctx.seen.indexOf(desc.value) < 0) {
if (isNull(recurseTimes)) {
str = formatValue(ctx, desc.value, null);
} else {
str = formatValue(ctx, desc.value, recurseTimes - 1);
}
if (str.indexOf('\n') > -1) {
if (array) {
str = str.split('\n').map(function(line) {
return ' ' + line;
}).join('\n').substr(2);
} else {
str = '\n' + str.split('\n').map(function(line) {
return ' ' + line;
}).join('\n');
}
}
} else {
str = ctx.stylize('[Circular]', 'special');
}
}
if (isUndefined(name)) {
if (array && key.match(/^\d+$/)) {
return str;
}
name = JSON.stringify('' + key);
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
name = name.substr(1, name.length - 2);
name = ctx.stylize(name, 'name');
} else {
name = name.replace(/'/g, "\\'")
.replace(/\\"/g, '"')
.replace(/(^"|"$)/g, "'");
name = ctx.stylize(name, 'string');
}
}
return name + ': ' + str;
}
function reduceToSingleString(output, base, braces) {
var numLinesEst = 0;
var length = output.reduce(function(prev, cur) {
numLinesEst++;
if (cur.indexOf('\n') >= 0) numLinesEst++;
return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
}, 0);
if (length > 60) {
return braces[0] +
(base === '' ? '' : base + '\n ') +
' ' +
output.join(',\n ') +
' ' +
braces[1];
}
return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}
// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
return Array.isArray(ar);
}
exports.isArray = isArray;
function isBoolean(arg) {
return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;
function isNull(arg) {
return arg === null;
}
exports.isNull = isNull;
function isNullOrUndefined(arg) {
return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;
function isNumber(arg) {
return typeof arg === 'number';
}
exports.isNumber = isNumber;
function isString(arg) {
return typeof arg === 'string';
}
exports.isString = isString;
function isSymbol(arg) {
return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;
function isUndefined(arg) {
return arg === void 0;
}
exports.isUndefined = isUndefined;
function isRegExp(re) {
return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;
function isObject(arg) {
return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;
function isDate(d) {
return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;
function isError(e) {
return isObject(e) &&
(objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;
function isFunction(arg) {
return typeof arg === 'function';
}
exports.isFunction = isFunction;
function isPrimitive(arg) {
return arg === null ||
typeof arg === 'boolean' ||
typeof arg === 'number' ||
typeof arg === 'string' ||
typeof arg === 'symbol' || // ES6 symbol
typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;
exports.isBuffer = require('./support/isBuffer');
function objectToString(o) {
return Object.prototype.toString.call(o);
}
function pad(n) {
return n < 10 ? '0' + n.toString(10) : n.toString(10);
}
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
'Oct', 'Nov', 'Dec'];
// 26 Feb 16:19:34
function timestamp() {
var d = new Date();
var time = [pad(d.getHours()),
pad(d.getMinutes()),
pad(d.getSeconds())].join(':');
return [d.getDate(), months[d.getMonth()], time].join(' ');
}
// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};
/**
* Inherit the prototype methods from one constructor into another.
*
* The Function.prototype.inherits from lang.js rewritten as a standalone
* function (not on Function.prototype). NOTE: If this file is to be loaded
* during bootstrapping this function needs to be rewritten using some native
* functions as prototype setup using normal JavaScript does not work as
* expected during bootstrapping (see mirror.js in r114903).
*
* @param {function} ctor Constructor function which needs to inherit the
* prototype.
* @param {function} superCtor Constructor function to inherit prototype from.
*/
exports.inherits = require('inherits');
exports._extend = function(origin, add) {
// Don't do anything if add isn't an object
if (!add || !isObject(add)) return origin;
var keys = Object.keys(add);
var i = keys.length;
while (i--) {
origin[keys[i]] = add[keys[i]];
}
return origin;
};
function hasOwnProperty(obj, prop) {
return Object.prototype.hasOwnProperty.call(obj, prop);
}
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./support/isBuffer":6,"_process":5,"inherits":4}],8:[function(require,module,exports){
(function (global){
var rng;
if (global.crypto && crypto.getRandomValues) {
// WHATWG crypto-based RNG - http://wiki.whatwg.org/wiki/Crypto
// Moderately fast, high quality
var _rnds8 = new Uint8Array(16);
rng = function whatwgRNG() {
crypto.getRandomValues(_rnds8);
return _rnds8;
};
}
if (!rng) {
// Math.random()-based (RNG)
//
// If all else fails, use Math.random(). It's fast, but is of unspecified
// quality.
var _rnds = new Array(16);
rng = function() {
for (var i = 0, r; i < 16; i++) {
if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
_rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
}
return _rnds;
};
}
module.exports = rng;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],9:[function(require,module,exports){
// uuid.js
//
// Copyright (c) 2010-2012 Robert Kieffer
// MIT License - http://opensource.org/licenses/mit-license.php
// Unique ID creation requires a high quality random # generator. We feature
// detect to determine the best RNG source, normalizing to a function that
// returns 128-bits of randomness, since that's what's usually required
var _rng = require('./rng');
// Maps for number <-> hex string conversion
var _byteToHex = [];
var _hexToByte = {};
for (var i = 0; i < 256; i++) {
_byteToHex[i] = (i + 0x100).toString(16).substr(1);
_hexToByte[_byteToHex[i]] = i;
}
// **`parse()` - Parse a UUID into it's component bytes**
function parse(s, buf, offset) {
var i = (buf && offset) || 0, ii = 0;
buf = buf || [];
s.toLowerCase().replace(/[0-9a-f]{2}/g, function(oct) {
if (ii < 16) { // Don't overflow!
buf[i + ii++] = _hexToByte[oct];
}
});
// Zero out remaining bytes if string was short
while (ii < 16) {
buf[i + ii++] = 0;
}
return buf;
}
// **`unparse()` - Convert UUID byte array (ala parse()) into a string**
function unparse(buf, offset) {
var i = offset || 0, bth = _byteToHex;
return bth[buf[i++]] + bth[buf[i++]] +
bth[buf[i++]] + bth[buf[i++]] + '-' +
bth[buf[i++]] + bth[buf[i++]] + '-' +
bth[buf[i++]] + bth[buf[i++]] + '-' +
bth[buf[i++]] + bth[buf[i++]] + '-' +
bth[buf[i++]] + bth[buf[i++]] +
bth[buf[i++]] + bth[buf[i++]] +
bth[buf[i++]] + bth[buf[i++]];
}
// **`v1()` - Generate time-based UUID**
//
// Inspired by https://github.com/LiosK/UUID.js
// and http://docs.python.org/library/uuid.html
// random #'s we need to init node and clockseq
var _seedBytes = _rng();
// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
var _nodeId = [
_seedBytes[0] | 0x01,
_seedBytes[1], _seedBytes[2], _seedBytes[3], _seedBytes[4], _seedBytes[5]
];
// Per 4.2.2, randomize (14 bit) clockseq
var _clockseq = (_seedBytes[6] << 8 | _seedBytes[7]) & 0x3fff;
// Previous uuid creation time
var _lastMSecs = 0, _lastNSecs = 0;
// See https://github.com/broofa/node-uuid for API details
function v1(options, buf, offset) {
var i = buf && offset || 0;
var b = buf || [];
options = options || {};
var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq;
// UUID timestamps are 100 nano-second units since the Gregorian epoch,
// (1582-10-15 00:00). JSNumbers aren't precise enough for this, so
// time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
// (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime();
// Per 4.2.1.2, use count of uuid's generated during the current clock
// cycle to simulate higher resolution clock
var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1;
// Time since last uuid creation (in msecs)
var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs)/10000;
// Per 4.2.1.2, Bump clockseq on clock regression
if (dt < 0 && options.clockseq === undefined) {
clockseq = clockseq + 1 & 0x3fff;
}
// Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
// time interval
if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
nsecs = 0;
}
// Per 4.2.1.2 Throw error if too many uuids are requested
if (nsecs >= 10000) {
throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec');
}
_lastMSecs = msecs;
_lastNSecs = nsecs;
_clockseq = clockseq;
// Per 4.1.4 - Convert from unix epoch to Gregorian epoch
msecs += 12219292800000;
// `time_low`
var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
b[i++] = tl >>> 24 & 0xff;
b[i++] = tl >>> 16 & 0xff;
b[i++] = tl >>> 8 & 0xff;
b[i++] = tl & 0xff;
// `time_mid`
var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
b[i++] = tmh >>> 8 & 0xff;
b[i++] = tmh & 0xff;
// `time_high_and_version`
b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
b[i++] = tmh >>> 16 & 0xff;
// `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
b[i++] = clockseq >>> 8 | 0x80;
// `clock_seq_low`
b[i++] = clockseq & 0xff;
// `node`
var node = options.node || _nodeId;
for (var n = 0; n < 6; n++) {
b[i + n] = node[n];
}
return buf ? buf : unparse(b);
}
// **`v4()` - Generate random UUID**
// See https://github.com/broofa/node-uuid for API details
function v4(options, buf, offset) {
// Deprecated - 'format' argument, as supported in v1.2
var i = buf && offset || 0;
if (typeof(options) == 'string') {
buf = options == 'binary' ? new Array(16) : null;
options = null;
}
options = options || {};
var rnds = options.random || (options.rng || _rng)();
// Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
rnds[6] = (rnds[6] & 0x0f) | 0x40;
rnds[8] = (rnds[8] & 0x3f) | 0x80;
// Copy bytes to buffer, if provided
if (buf) {
for (var ii = 0; ii < 16; ii++) {
buf[i + ii] = rnds[ii];
}
}
return buf || unparse(rnds);
}
// Export public API
var uuid = v4;
uuid.v1 = v1;
uuid.v4 = v4;
uuid.parse = parse;
uuid.unparse = unparse;
module.exports = uuid;
},{"./rng":8}],10:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var _api = require("./api");
var _api2 = _interopRequireDefault(_api);
var _collection = require("./collection");
var _collection2 = _interopRequireDefault(_collection);
var _adaptersBase = require("./adapters/base");
var _adaptersBase2 = _interopRequireDefault(_adaptersBase);
var DEFAULT_BUCKET_NAME = "default";
var DEFAULT_REMOTE = "http://localhost:8888/v1";
/**
* KintoBase class.
*/
var KintoBase = (function () {
_createClass(KintoBase, null, [{
key: "adapters",
/**
* Provides a public access to the base adapter class. Users can create a
* custom DB adapter by extending {@link BaseAdapter}.
*
* @type {Object}
*/
get: function get() {
return {
BaseAdapter: _adaptersBase2["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}
*/
}, {
key: "syncStrategy",
get: function get() {
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.
* - `{String}` `dbPrefix` The DB name prefix.
* - `{Object}` `headers` The HTTP headers to use.
* - `{String}` `requestMode` The HTTP CORS mode to use.
*
* @param {Object} options The options object.
*/
}]);
function KintoBase() {
var options = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
_classCallCheck(this, KintoBase);
var defaults = {
bucket: DEFAULT_BUCKET_NAME,
remote: DEFAULT_REMOTE
};
this._options = Object.assign(defaults, options);
if (!this._options.adapter) {
throw new Error("No adapter provided");
}
var _options = this._options;
var remote = _options.remote;
var events = _options.events;
var headers = _options.headers;
var requestMode = _options.requestMode;
this._api = new _api2["default"](remote, events, { headers: headers, requestMode: requestMode });
// public properties
/**
* 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}
*/
_createClass(KintoBase, [{
key: "collection",
value: function collection(collName) {
var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
if (!collName) {
throw new Error("missing collection name");
}
var bucket = this._options.bucket;
return new _collection2["default"](bucket, collName, this._api, {
events: this._options.events,
adapter: this._options.adapter,
dbPrefix: this._options.dbPrefix,
idSchema: options.idSchema,
remoteTransformers: options.remoteTransformers
});
}
}]);
return KintoBase;
})();
exports["default"] = KintoBase;
module.exports = exports["default"];
},{"./adapters/base":11,"./api":12,"./collection":13}],11:[function(require,module,exports){
"use strict";
/**
* Base db adapter.
*
* @abstract
*/
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var BaseAdapter = (function () {
function BaseAdapter() {
_classCallCheck(this, BaseAdapter);
}
_createClass(BaseAdapter, [{
key: "open",
/**
* Opens a connection to the database.
*
* @abstract
* @return {Promise}
*/
value: function open() {
return Promise.resolve();
}
/**
* Closes current connection to the database.
*
* @abstract
* @return {Promise}
*/
}, {
key: "close",
value: function close() {
return Promise.resolve();
}
/**
* Deletes every records present in the database.
*
* @abstract
* @return {Promise}
*/
}, {
key: "clear",
value: function clear() {
throw new Error("Not Implemented.");
}
/**
* Adds a record to the database.
*
* Note: An id value is required.
*
* @abstract
* @param {Object} record The record object, including an id.
* @return {Promise}
*/
}, {
key: "create",
value: function create(record) {
throw new Error("Not Implemented.");
}
/**
* Updates a record from the IndexedDB database.
*
* @abstract
* @param {Object} record
* @return {Promise}
*/
}, {
key: "update",
value: function update(record) {
throw new Error("Not Implemented.");
}
/**
* Retrieve a record by its primary key from the database.
*
* @abstract
* @param {String} id The record id.
* @return {Promise}
*/
}, {
key: "get",
value: function get(id) {
throw new Error("Not Implemented.");
}
/**
* Deletes a record from the database.
*
* @abstract
* @param {String} id The record id.
* @return {Promise}
*/
}, {
key: "delete",
value: function _delete(id) {
throw new Error("Not Implemented.");
}
/**
* Lists all records from the database.
*
* @abstract
* @return {Promise}
*/
}, {
key: "list",
value: function list() {
throw new Error("Not Implemented.");
}
/**
* Store the lastModified value.
*
* @abstract
* @param {Number} lastModified
* @return {Promise}
*/
}, {
key: "saveLastModified",
value: function saveLastModified(lastModified) {
throw new Error("Not Implemented.");
}
/**
* Retrieve saved lastModified value.
*
* @abstract
* @return {Promise}
*/
}, {
key: "getLastModified",
value: function getLastModified() {
throw new Error("Not Implemented.");
}
/**
* Load a dump of records exported from a server.
*
* @abstract
* @return {Promise}
*/
}, {
key: "loadDump",
value: function loadDump(records) {
throw new Error("Not Implemented.");
}
}]);
return BaseAdapter;
})();
exports["default"] = BaseAdapter;
module.exports = exports["default"];
},{}],12:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
exports.cleanRecord = cleanRecord;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var _utilsJs = require("./utils.js");
var _httpJs = require("./http.js");
var _httpJs2 = _interopRequireDefault(_httpJs);
var RECORD_FIELDS_TO_CLEAN = ["_status", "last_modified"];
/**
* Currently supported protocol version.
* @type {String}
*/
var SUPPORTED_PROTOCOL_VERSION = "v1";
exports.SUPPORTED_PROTOCOL_VERSION = SUPPORTED_PROTOCOL_VERSION;
/**
* Cleans a record object, excluding passed keys.
*
* @param {Object} record The record object.
* @param {Array} excludeFields The list of keys to exclude.
* @return {Object} A clean copy of source record object.
*/
function cleanRecord(record) {
var excludeFields = arguments.length <= 1 || arguments[1] === undefined ? RECORD_FIELDS_TO_CLEAN : arguments[1];
return Object.keys(record).reduce((acc, key) => {
if (excludeFields.indexOf(key) === -1) {
acc[key] = record[key];
}
return acc;
}, {});
}
/**
* High level HTTP client for the Kinto API.
*/
var Api = (function () {
/**
* Constructor.
*
* Options:
* - {Object} headers The key-value headers to pass to each request.
* - {String} events The HTTP request mode.
*
* @param {String} remote The remote URL.
* @param {EventEmitter} events The events handler
* @param {Object} options The options object.
*/
function Api(remote, events) {
var options = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2];
_classCallCheck(this, Api);
if (typeof remote !== "string" || !remote.length) {
throw new Error("Invalid remote URL: " + remote);
}
if (remote[remote.length - 1] === "/") {
remote = remote.slice(0, -1);
}
this._backoffReleaseTime = null;
// public properties
/**
* The remote endpoint base URL.
* @type {String}
*/
this.remote = remote;
/**
* The optional generic headers.
* @type {Object}
*/
this.optionHeaders = options.headers || {};
/**
* Current server settings, retrieved from the server.
* @type {Object}
*/
this.serverSettings = null;
/**
* The even emitter instance.
* @type {EventEmitter}
*/
if (!events) {
throw new Error("No events handler provided");
}
this.events = events;
try {
/**
* The current server protocol version, eg. `v1`.
* @type {String}
*/
this.version = remote.match(/\/(v\d+)\/?$/)[1];
} catch (err) {
throw new Error("The remote URL must contain the version: " + remote);
}
if (this.version !== SUPPORTED_PROTOCOL_VERSION) {
throw new Error("Unsupported protocol version: " + this.version);
}
/**
* The HTTP instance.
* @type {HTTP}
*/
this.http = new _httpJs2["default"](this.events, { requestMode: options.requestMode });
this._registerHTTPEvents();
}
/**
* Backoff remaining time, in milliseconds. Defaults to zero if no backoff is
* ongoing.
*
* @return {Number}
*/
_createClass(Api, [{
key: "_registerHTTPEvents",
/**
* Registers HTTP events.
*/
value: function _registerHTTPEvents() {
this.events.on("backoff", backoffMs => {
this._backoffReleaseTime = backoffMs;
});
}
/**
* Retrieves available server enpoints.
*
* Options:
* - {Boolean} fullUrl: Retrieve a fully qualified URL (default: true).
*
* @param {Object} options Options object.
* @return {String}
*/
}, {
key: "endpoints",
value: function endpoints() {
var options = arguments.length <= 0 || arguments[0] === undefined ? { fullUrl: true } : arguments[0];
var _root = options.fullUrl ? this.remote : "/" + this.version;
var urls = {
root: () => _root + "/",
batch: () => _root + "/batch",
bucket: _bucket => _root + "/buckets/" + _bucket,
collection: (bucket, coll) => urls.bucket(bucket) + "/collections/" + coll,
records: (bucket, coll) => urls.collection(bucket, coll) + "/records",
record: (bucket, coll, id) => urls.records(bucket, coll) + "/" + id
};
return urls;
}
/**
* Retrieves Kinto server settings.
*
* @return {Promise}
*/
}, {
key: "fetchServerSettings",
value: function fetchServerSettings() {
if (this.serverSettings) {
return Promise.resolve(this.serverSettings);
}
return this.http.request(this.endpoints().root()).then(res => {
this.serverSettings = res.json.settings;
return this.serverSettings;
});
}
/**
* Fetches latest changes from the remote server.
*
* @param {String} bucketName The bucket name.
* @param {String} collName The collection name.
* @param {Object} options The options object.
* @return {Promise}
*/
}, {
key: "fetchChangesSince",
value: function fetchChangesSince(bucketName, collName) {
var options = arguments.length <= 2 || arguments[2] === undefined ? { lastModified: null, headers: {} } : arguments[2];
var recordsUrl = this.endpoints().records(bucketName, collName);
var queryString = "";
var headers = Object.assign({}, this.optionHeaders, options.headers);
if (options.lastModified) {
queryString = "?_since=" + options.lastModified;
headers["If-None-Match"] = (0, _utilsJs.quote)(options.lastModified);
}
return this.fetchServerSettings().then(_ => this.http.request(recordsUrl + queryString, { headers: headers })).then(res => {
// If HTTP 304, nothing has changed
if (res.status === 304) {
return {
lastModified: options.lastModified,
changes: []
};
}
// XXX: ETag are supposed to be opaque and stored «as-is».
// Extract response data
var etag = res.headers.get("ETag"); // e.g. '"42"'
etag = etag ? parseInt((0, _utilsJs.unquote)(etag), 10) : options.lastModified;
var records = res.json.data;
// Check if server was flushed
var localSynced = options.lastModified;
var serverChanged = etag > options.lastModified;
var emptyCollection = records ? records.length === 0 : true;
if (localSynced && serverChanged && emptyCollection) {
throw Error("Server has been flushed.");
}
return { lastModified: etag, changes: records };
});
}
/**
* Builds an individual record batch request body.
*
* @param {Object} record The record object.
* @param {String} path The record endpoint URL.
* @param {Boolean} safe Safe update?
* @return {Object} The request body object.
*/
}, {
key: "_buildRecordBatchRequest",
value: function _buildRecordBatchRequest(record, path, safe) {
var isDeletion = record._status === "deleted";
var method = isDeletion ? "DELETE" : "PUT";
var body = isDeletion ? undefined : { data: cleanRecord(record) };
var headers = {};
if (safe) {
if (record.last_modified) {
// Safe replace.
headers["If-Match"] = (0, _utilsJs.quote)(record.last_modified);
} else if (!isDeletion) {
// Safe creation.
headers["If-None-Match"] = "*";
}
}
return { method: method, headers: headers, path: path, body: body };
}
/**
* Process a batch request response.
*
* @param {Object} results The results object.
* @param {Array} records The initial records list.
* @param {Object} response The response HTTP object.
* @return {Promise}
*/
}, {
key: "_processBatchResponses",
value: function _processBatchResponses(results, records, response) {
// Handle individual batch subrequests responses
response.json.responses.forEach((response, index) => {
// TODO: handle 409 when unicity rule is violated (ex. POST with
// existing id, unique field, etc.)
if (response.status && response.status >= 200 && response.status < 400) {
results.published.push(response.body.data);
} else if (response.status === 404) {
results.skipped.push(response.body);
} else if (response.status === 412) {
results.conflicts.push({
type: "outgoing",
local: records[index],
remote: response.body.details && response.body.details.existing || null
});
} else {
results.errors.push({
path: response.path,
sent: records[index],
error: response.body
});
}
});
return results;
}
/**
* Sends batch update requests to the remote server.
*
* Options:
* - {Object} headers Headers to attach to main and all subrequests.
* - {Boolean} safe Safe update (default: `true`)
*
* @param {String} bucketName The bucket name.
* @param {String} collName The collection name.
* @param {Array} records The list of record updates to send.
* @param {Object} options The options object.
* @return {Promise}
*/
}, {
key: "batch",
value: function batch(bucketName, collName, records) {
var options = arguments.length <= 3 || arguments[3] === undefined ? { headers: {} } : arguments[3];
var safe = options.safe || true;
var headers = Object.assign({}, this.optionHeaders, options.headers);
var results = {
errors: [],
published: [],
conflicts: [],
skipped: []
};
if (!records.length) {
return Promise.resolve(results);
}
return this.fetchServerSettings().then(serverSettings => {
// Kinto 1.6.1 possibly exposes multiple setting prefixes
var maxRequests = serverSettings["batch_max_requests"] || serverSettings["cliquet.batch_max_requests"];
if (maxRequests && records.length > maxRequests) {
return Promise.all((0, _utilsJs.partition)(records, maxRequests).map(chunk => {
return this.batch(bucketName, collName, chunk, options);
})).then(batchResults => {
// Assemble responses of chunked batch results into one single
// result object
return batchResults.reduce((acc, batchResult) => {
Object.keys(batchResult).forEach(key => {
acc[key] = results[key].concat(batchResult[key]);
});
return acc;
}, results);
});
}
return this.http.request(this.endpoints().batch(), {
method: "POST",
headers: headers,
body: JSON.stringify({
defaults: { headers: headers },
requests: records.map(record => {
var path = this.endpoints({ full: false }).record(bucketName, collName, record.id);
return this._buildRecordBatchRequest(record, path, safe);
})
})
}).then(res => this._processBatchResponses(results, records, res));
});
}
}, {
key: "backoff",
get: function get() {
var currentTime = new Date().getTime();
if (this._backoffReleaseTime && currentTime < this._backoffReleaseTime) {
return this._backoffReleaseTime - currentTime;
}
return 0;
}
}]);
return Api;
})();
exports["default"] = Api;
},{"./http.js":15,"./utils.js":16}],13:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _slicedToArray = (function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; })();
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var _adaptersBase = require("./adapters/base");
var _adaptersBase2 = _interopRequireDefault(_adaptersBase);
var _utils = require("./utils");
var _api = require("./api");
var _uuid = require("uuid");
/**
* Synchronization result object.
*/
var SyncResultObject = (function () {
_createClass(SyncResultObject, null, [{
key: "defaults",
/**
* Object default values.
* @type {Object}
*/
get: function get() {
return {
ok: true,
lastModified: null,
errors: [],
created: [],
updated: [],
deleted: [],
published: [],
conflicts: [],
skipped: [],
resolved: []
};
}
/**
* Public constructor.
*/
}]);
function SyncResultObject() {
_classCallCheck(this, SyncResultObject);
/**
* Current synchronization result status; becomes `false` when conflicts or
* errors are registered.
* @type {Boolean}
*/
this.ok = true;
Object.assign(this, SyncResultObject.defaults);
}
/**
* Adds entries for a given result type.
*
* @param {String} type The result type.
* @param {Array} entries The result entries.
* @return {SyncResultObject}
*/
_createClass(SyncResultObject, [{
key: "add",
value: function add(type, entries) {
if (!Array.isArray(this[type])) {
return;
}
this[type] = this[type].concat(entries);
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}
*/
}, {
key: "reset",
value: function reset(type) {
this[type] = SyncResultObject.defaults[type];
this.ok = this.errors.length + this.conflicts.length === 0;
return this;
}
}]);
return SyncResultObject;
})();
exports.SyncResultObject = SyncResultObject;
function createUUIDSchema() {
return {
generate: function generate() {
return (0, _uuid.v4)();
},
validate: function validate(id) {
return (0, _utils.isUUID)(id);
}
};
}
/**
* Abstracts a collection of records stored in the local database, providing
* CRUD operations and synchronization helpers.
*/
var Collection = (function () {
/**
* 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.
*/
function Collection(bucket, name, api) {
var options = arguments.length <= 3 || arguments[3] === undefined ? {} : arguments[3];
_classCallCheck(this, Collection);
this._bucket = bucket;
this._name = name;
this._lastModified = null;
var DBAdapter = options.adapter;
if (!DBAdapter) {
throw new Error("No adapter provided");
}
var dbPrefix = options.dbPrefix || "";
var db = new DBAdapter("" + dbPrefix + bucket + "/" + name);
if (!(db instanceof _adaptersBase2["default"])) {
throw new Error("Unsupported adapter.");
}
// public properties
/**
* The db adapter instance
* @type {BaseAdapter}
*/
this.db = db;
/**
* The Api instance.
* @type {Api}
*/
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 collection name.
* @type {String}
*/
_createClass(Collection, [{
key: "_validateIdSchema",
/**
* Validates an idSchema.
*
* @param {Object|undefined} idSchema
* @return {Object}
*/
value: function _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}
*/
}, {
key: "_validateRemoteTransformers",
value: function _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;
});
}
/**
* Deletes every records in the current collection and marks the collection as
* never synced.
*
* @return {Promise}
*/
}, {
key: "clear",
value: function clear() {
return this.db.clear().then(_ => this.db.saveLastModified(null)).then(_ => ({ data: [], permissions: {} }));
}
/**
* Encodes a record.
*
* @param {String} type Either "remote" or "local".
* @param {Object} record The record object to encode.
* @return {Promise}
*/
}, {
key: "_encodeRecord",
value: function _encodeRecord(type, record) {
if (!this[type + "Transformers"].length) {
return Promise.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}
*/
}, {
key: "_decodeRecord",
value: function _decodeRecord(type, record) {
if (!this[type + "Transformers"].length) {
return Promise.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.
*
* 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}
*/
}, {
key: "create",
value: function create(record) {
var options = arguments.length <= 1 || arguments[1] === undefined ? { useRecordId: false, synced: false } : arguments[1];
var reject = msg => Promise.reject(new Error(msg));
if (typeof record !== "object") {
return reject("Record is not an object.");
}
if ((options.synced || options.useRecordId) && !record.id) {
return reject("Missing required Id; synced and useRecordId options require one");
}
if (!options.synced && !options.useRecordId && record.id) {
return reject("Extraneous Id; can't create a record having one set.");
}
var newRecord = Object.assign({}, 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.db.create(newRecord).then(record => {
return { data: record, permissions: {} };
});
}
/**
* Updates a record from the local database.
*
* Options:
* - {Boolean} synced: Sets record status to "synced" (default: false)
*
* @param {Object} record
* @param {Object} options
* @return {Promise}
*/
}, {
key: "update",
value: function update(record) {
var options = arguments.length <= 1 || arguments[1] === undefined ? { synced: false } : arguments[1];
if (typeof record !== "object") {
return Promise.reject(new Error("Record is not an object."));
}
if (!record.id) {
return Promise.reject(new Error("Cannot update a record missing id."));
}
if (!this.idSchema.validate(record.id)) {
return Promise.reject(new Error("Invalid Id: " + record.id));
}
return this.get(record.id).then(_ => {
var newStatus = "updated";
if (record._status === "deleted") {
newStatus = "deleted";
} else if (options.synced) {
newStatus = "synced";
}
var updatedRecord = Object.assign({}, record, { _status: newStatus });
return this.db.update(updatedRecord).then(record => {
return { data: record, permissions: {} };
});
});
}
/**
* Retrieve a record by its id from the local database.
*
* @param {String} id
* @param {Object} options
* @return {Promise}
*/
}, {
key: "get",
value: function get(id) {
var options = arguments.length <= 1 || arguments[1] === undefined ? { includeDeleted: false } : arguments[1];
if (!this.idSchema.validate(id)) {
return Promise.reject(Error("Invalid Id: " + id));
}
return this.db.get(id).then(record => {
if (!record || !options.includeDeleted && record._status === "deleted") {
throw new Error("Record with id=" + id + " not found.");
} else {
return { data: record, permissions: {} };
}
});
}
/**
* 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 {Promise}
*/
}, {
key: "delete",
value: function _delete(id) {
var options = arguments.length <= 1 || arguments[1] === undefined ? { virtual: true } : arguments[1];
if (!this.idSchema.validate(id)) {
return Promise.reject(new Error("Invalid Id: " + id));
}
// Ensure the record actually exists.
return this.get(id, { includeDeleted: true }).then(res => {
if (options.virtual) {
if (res.data._status === "deleted") {
// Record is already deleted
return Promise.resolve({
data: { id: id },
permissions: {}
});
} else {
return this.update(Object.assign({}, res.data, {
_status: "deleted"
}));
}
}
return this.db["delete"](id).then(id => {
return { data: { id: id }, permissions: {} };
});
});
}
/**
* Lists records from the local database.
*
* Params:
* - {Object} filters The filters to apply (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}
*/
}, {
key: "list",
value: function list() {
var params = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
var options = arguments.length <= 1 || arguments[1] === undefined ? { includeDeleted: false } : arguments[1];
params = Object.assign({ order: "-last_modified", filters: {} }, params);
return this.db.list().then(results => {
var reduced = (0, _utils.reduceRecords)(params.filters, params.order, results);
if (!options.includeDeleted) {
reduced = reduced.filter(record => record._status !== "deleted");
}
return { data: reduced, permissions: {} };
});
}
/**
* Attempts to apply a remote change to its local matching record. Note that
* at this point, remote record data are already decoded.
*
* @param {Object} local The local record object.
* @param {Object} remote The remote change object.
* @return {Promise}
*/
}, {
key: "_processChangeImport",
value: function _processChangeImport(local, remote) {
var identical = (0, _utils.deepEquals)((0, _api.cleanRecord)(local), (0, _api.cleanRecord)(remote));
if (local._status !== "synced") {
// Locally deleted, unsynced: scheduled for remote deletion.
if (local._status === "deleted") {
return { type: "skipped", data: local };
}
if (identical) {
// If records are identical, import anyway, so we bump the
// local last_modified value from the server and set record
// status to "synced".
return this.update(remote, { synced: true }).then(res => {
return { type: "updated", data: res.data };
});
}
return {
type: "conflicts",
data: { type: "incoming", local: local, remote: remote }
};
}
if (remote.deleted) {
return this["delete"](remote.id, { virtual: false }).then(res => {
return { type: "deleted", data: res.data };
});
}
return this.update(remote, { synced: true }).then(updated => {
// if identical, simply exclude it from all lists
var type = identical ? "void" : "updated";
return { type: type, data: updated.data };
});
}
/**
* Import a single change into the local database.
*
* @param {Object} change
* @return {Promise}
*/
}, {
key: "_importChange",
value: function _importChange(change) {
var _decodedChange = undefined,
decodePromise = undefined;
// if change is a deletion, skip decoding
if (change.deleted) {
decodePromise = Promise.resolve(change);
} else {
decodePromise = this._decodeRecord("remote", change);
}
return decodePromise.then(change => {
_decodedChange = change;
return this.get(_decodedChange.id, { includeDeleted: true });
})
// Matching local record found
.then(res => this._processChangeImport(res.data, _decodedChange))["catch"](err => {
if (!/not found/i.test(err.message)) {
err.type = "incoming";
return { type: "errors", data: err };
}
// Not found locally but remote change is marked as deleted; skip to
// avoid recreation.
if (_decodedChange.deleted) {
return { type: "skipped", data: _decodedChange };
}
return this.create(_decodedChange, { synced: true })
// If everything went fine, expose created record data
.then(res => ({ type: "created", data: res.data }))
// Expose individual creation errors
["catch"](err => ({ type: "errors", data: err }));
});
}
/**
* Import changes into the local database.
*
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Object} changeObject The change object.
* @return {Promise}
*/
}, {
key: "importChanges",
value: function importChanges(syncResultObject, changeObject) {
return Promise.all(changeObject.changes.map(change => {
return this._importChange(change);
})).then(imports => {
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = imports[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var imported = _step.value;
if (imported.type !== "void") {
syncResultObject.add(imported.type, imported.data);
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator["return"]) {
_iterator["return"]();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
return syncResultObject;
}).then(syncResultObject => {
syncResultObject.lastModified = changeObject.lastModified;
// Don't persist lastModified value if any conflict or error occured
if (!syncResultObject.ok) {
return syncResultObject;
}
// No conflict occured, persist collection's lastModified value
return this.db.saveLastModified(syncResultObject.lastModified).then(lastModified => {
this._lastModified = lastModified;
return syncResultObject;
});
});
}
/**
* 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.
*/
}, {
key: "resetSyncStatus",
value: function resetSyncStatus() {
var _count = undefined;
return this.list({}, { includeDeleted: true }).then(res => {
return Promise.all(res.data.map(r => {
// Garbage collect deleted records.
if (r._status === "deleted") {
return this.db["delete"](r.id);
}
// Records that were synced become «created».
return this.db.update(Object.assign({}, r, {
last_modified: undefined,
_status: "created"
}));
}));
}).then(res => {
_count = res.length;
return this.db.saveLastModified(null);
}).then(_ => _count);
}
/**
* Returns an object containing two lists:
*
* - `toDelete`: unsynced deleted records we can safely delete;
* - `toSync`: local updates to send to the server.
*
* @return {Object}
*/
}, {
key: "gatherLocalChanges",
value: function gatherLocalChanges() {
var _toDelete = undefined;
return this.list({}, { includeDeleted: true }).then(res => {
return res.data.reduce((acc, record) => {
if (record._status === "deleted" && !record.last_modified) {
acc.toDelete.push(record);
} else if (record._status !== "synced") {
acc.toSync.push(record);
}
return acc;
// rename toSync to toPush or toPublish
}, { toDelete: [], toSync: [] });
}).then(_ref => {
var toDelete = _ref.toDelete;
var toSync = _ref.toSync;
_toDelete = toDelete;
return Promise.all(toSync.map(this._encodeRecord.bind(this, "remote")));
}).then(toSync => ({ toDelete: _toDelete, toSync: toSync }));
}
/**
* 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 {SyncResultObject} syncResultObject
* @param {Object} options
* @return {Promise}
*/
}, {
key: "pullChanges",
value: function pullChanges(syncResultObject) {
var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
if (!syncResultObject.ok) {
return Promise.resolve(syncResultObject);
}
options = Object.assign({
strategy: Collection.strategy.MANUAL,
lastModified: this.lastModified,
headers: {}
}, options);
// First fetch remote changes from the server
return this.api.fetchChangesSince(this.bucket, this.name, {
lastModified: options.lastModified,
headers: options.headers
})
// Reflect these changes locally
.then(changes => this.importChanges(syncResultObject, changes))
// Handle conflicts, if any
.then(result => this._handleConflicts(result, options.strategy));
}
/**
* Publish local changes to the remote server and updates the passed
* {@link SyncResultObject} with publication results.
*
* @param {SyncResultObject} syncResultObject The sync result object.
* @param {Object} options The options object.
* @return {Promise}
*/
}, {
key: "pushChanges",
value: function pushChanges(syncResultObject) {
var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
if (!syncResultObject.ok) {
return Promise.resolve(syncResultObject);
}
var safe = options.strategy === Collection.SERVER_WINS;
options = Object.assign({ safe: safe }, options);
// Fetch local changes
return this.gatherLocalChanges().then(_ref2 => {
var toDelete = _ref2.toDelete;
var toSync = _ref2.toSync;
return Promise.all([
// Delete never synced records marked for deletion
Promise.all(toDelete.map(record => {
return this["delete"](record.id, { virtual: false });
})),
// Send batch update requests
this.api.batch(this.bucket, this.name, toSync, options)]);
})
// Update published local records
.then(_ref3 => {
var _ref32 = _slicedToArray(_ref3, 2);
var deleted = _ref32[0];
var synced = _ref32[1];
// Merge outgoing errors into sync result object
syncResultObject.add("errors", synced.errors.map(error => {
error.type = "outgoing";
return error;
}));
// Merge outgoing conflicts into sync result object
syncResultObject.add("conflicts", synced.conflicts);
// Process local updates following published changes
return Promise.all(synced.published.map(record => {
if (record.deleted) {
// Remote deletion was successful, refect it locally
return this["delete"](record.id, { virtual: false }).then(res => {
// Amend result data with the deleted attribute set
return { data: { id: res.data.id, deleted: true } };
});
} else {
// Remote create/update was successful, reflect it locally
return this._decodeRecord("remote", record).then(record => this.update(record, { synced: true }));
}
})).then(published => {
syncResultObject.add("published", published.map(res => res.data));
return syncResultObject;
});
})
// Handle conflicts, if any
.then(result => this._handleConflicts(result, options.strategy)).then(result => {
var resolvedUnsynced = result.resolved.filter(record => record._status !== "synced");
// No resolved conflict to reflect anywhere
if (resolvedUnsynced.length === 0 || options.resolved) {
return result;
} else if (options.strategy === Collection.strategy.CLIENT_WINS && !options.resolved) {
// We need to push local versions of the records to the server
return this.pushChanges(result, Object.assign({}, options, { resolved: true }));
} else if (options.strategy === Collection.strategy.SERVER_WINS) {
// If records have been automatically resolved according to strategy and
// are in non-synced status, mark them as synced.
return Promise.all(resolvedUnsynced.map(record => {
return this.update(record, { synced: true });
})).then(_ => result);
}
});
}
/**
* 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}
*/
}, {
key: "resolve",
value: function resolve(conflict, resolution) {
return this.update(Object.assign({}, resolution, {
// Ensure local record has the latest authoritative timestamp
last_modified: conflict.remote.last_modified
}));
}
/**
* Handles synchronization conflicts according to specified strategy.
*
* @param {SyncResultObject} result The sync result object.
* @param {String} strategy The {@link Collection.strategy}.
* @return {Promise}
*/
}, {
key: "_handleConflicts",
value: function _handleConflicts(result) {
var strategy = arguments.length <= 1 || arguments[1] === undefined ? Collection.strategy.MANUAL : arguments[1];
if (strategy === Collection.strategy.MANUAL || result.conflicts.length === 0) {
return Promise.resolve(result);
}
return Promise.all(result.conflicts.map(conflict => {
var resolution = strategy === Collection.strategy.CLIENT_WINS ? conflict.local : conflict.remote;
return this.resolve(conflict, resolution);
})).then(imports => {
return result.reset("conflicts").add("resolved", imports.map(res => res.data));
});
}
/**
* 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.
*
* @param {Object} options Options.
* @return {Promise}
*/
}, {
key: "sync",
value: function sync() {
var options = arguments.length <= 0 || arguments[0] === undefined ? { strategy: Collection.strategy.MANUAL, headers: {}, ignoreBackoff: false } : arguments[0];
if (!options.ignoreBackoff && this.api.backoff > 0) {
var seconds = Math.ceil(this.api.backoff / 1000);
return Promise.reject(new Error("Server is backed off; retry in " + seconds + "s or use the ignoreBackoff option."));
}
var result = new SyncResultObject();
return this.db.getLastModified().then(lastModified => this._lastModified = lastModified).then(_ => this.pullChanges(result, options)).then(result => this.pushChanges(result, options)).then(result => {
// Avoid performing a last pull if nothing has been published.
if (result.published.length === 0) {
return result;
}
return this.pullChanges(result, options);
});
}
/**
* 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.
* @param {Object} options Options.
* @return {Promise} with the effectively imported records.
*/
}, {
key: "loadDump",
value: function loadDump(records) {
var reject = msg => Promise.reject(new Error(msg));
if (!Array.isArray(records)) {
return reject("Records is not an array.");
}
var _iteratorNormalCompletion2 = true;
var _didIteratorError2 = false;
var _iteratorError2 = undefined;
try {
for (var _iterator2 = records[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
var record = _step2.value;
if (!record.id || !this.idSchema.validate(record.id)) {
return reject("Record has invalid ID: " + JSON.stringify(record));
}
if (!record.last_modified) {
return reject("Record has no last_modified value: " + JSON.stringify(record));
}
}
// Fetch all existing records from local database,
// and skip those who are newer or not marked as synced.
} catch (err) {
_didIteratorError2 = true;
_iteratorError2 = err;
} finally {
try {
if (!_iteratorNormalCompletion2 && _iterator2["return"]) {
_iterator2["return"]();
}
} finally {
if (_didIteratorError2) {
throw _iteratorError2;
}
}
}
return this.list({}, { includeDeleted: true }).then(res => {
return res.data.reduce((acc, record) => {
acc[record.id] = record;
return acc;
}, {});
}).then(existingById => {
return records.filter(record => {
var localRecord = existingById[record.id];
var 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;
});
}).then(newRecords => {
return newRecords.map(record => {
return Object.assign({}, record, {
_status: "synced"
});
});
}).then(newRecords => this.db.loadDump(newRecords));
}
}, {
key: "name",
get: function get() {
return this._name;
}
/**
* The bucket name.
* @type {String}
*/
}, {
key: "bucket",
get: function get() {
return this._bucket;
}
/**
* The last modified timestamp.
* @type {Number}
*/
}, {
key: "lastModified",
get: function get() {
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}
*/
}], [{
key: "strategy",
get: function get() {
return {
CLIENT_WINS: "client_wins",
SERVER_WINS: "server_wins",
MANUAL: "manual"
};
}
}]);
return Collection;
})();
exports["default"] = Collection;
},{"./adapters/base":11,"./api":12,"./utils":16,"uuid":9}],14:[function(require,module,exports){
/**
* Kinto server error code descriptors.
* @type {Object}
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = {
104: "Missing Authorization Token",
105: "Invalid Authorization Token",
106: "Request body was not valid JSON",
107: "Invalid request parameter",
108: "Missing request parameter",
109: "Invalid posted data",
110: "Invalid Token / id",
111: "Missing Token / id",
112: "Content-Length header was not provided",
113: "Request body too large",
114: "Resource was modified meanwhile",
115: "Method not allowed on this end point",
116: "Requested version not available on this server",
117: "Client has sent too many requests",
121: "Resource access is forbidden for this user",
122: "Another resource violates constraint",
201: "Service Temporary unavailable due to high load",
202: "Service deprecated",
999: "Internal Server Error"
};
module.exports = exports["default"];
},{}],15:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var _errorsJs = require("./errors.js");
var _errorsJs2 = _interopRequireDefault(_errorsJs);
/**
* Enhanced HTTP client for the Kinto protocol.
*/
var HTTP = (function () {
_createClass(HTTP, null, [{
key: "DEFAULT_REQUEST_HEADERS",
/**
* Default HTTP request headers applied to each outgoing request.
*
* @type {Object}
*/
get: function get() {
return {
"Accept": "application/json",
"Content-Type": "application/json"
};
}
/**
* Default options.
*
* @type {Object}
*/
}, {
key: "defaultOptions",
get: function get() {
return { timeout: 5000, requestMode: "cors" };
}
/**
* Constructor.
*
* Options:
* - {Number} timeout The request timeout in ms (default: `5000`).
* - {String} requestMode The HTTP request mode (default: `"cors"`).
*
* @param {EventEmitter} events The event handler.
* @param {Object} options The options object.
*/
}]);
function HTTP(events) {
var options = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];
_classCallCheck(this, HTTP);
// public properties
/**
* The event emitter instance.
* @type {EventEmitter}
*/
if (!events) {
throw new Error("No events handler provided");
}
this.events = events;
options = Object.assign({}, HTTP.defaultOptions, options);
/**
* The request mode.
* @see https://fetch.spec.whatwg.org/#requestmode
* @type {String}
*/
this.requestMode = options.requestMode;
/**
* The request timeout.
* @type {Number}
*/
this.timeout = options.timeout;
}
/**
* Performs an HTTP request to the Kinto server.
*
* Options:
* - `{Object} headers` The request headers object (default: {})
*
* Resolves with an objet containing the following HTTP response properties:
* - `{Number} status` The HTTP status code.
* - `{Object} json` The JSON response body.
* - `{Headers} headers` The response headers object; see the ES6 fetch() spec.
*
* @param {String} url The URL.
* @param {Object} options The fetch() options object.
* @return {Promise}
*/
_createClass(HTTP, [{
key: "request",
value: function request(url) {
var options = arguments.length <= 1 || arguments[1] === undefined ? { headers: {} } : arguments[1];
var response = undefined,
status = undefined,
statusText = undefined,
headers = undefined,
_timeoutId = undefined,
hasTimedout = undefined;
// Ensure default request headers are always set
options.headers = Object.assign({}, HTTP.DEFAULT_REQUEST_HEADERS, options.headers);
options.mode = this.requestMode;
return new Promise((resolve, reject) => {
_timeoutId = setTimeout(() => {
hasTimedout = true;
reject(new Error("Request timeout."));
}, this.timeout);
fetch(url, options).then(res => {
if (!hasTimedout) {
clearTimeout(_timeoutId);
resolve(res);
}
})["catch"](err => {
if (!hasTimedout) {
clearTimeout(_timeoutId);
reject(err);
}
});
}).then(res => {
response = res;
headers = res.headers;
status = res.status;
statusText = res.statusText;
this._checkForDeprecationHeader(headers);
this._checkForBackoffHeader(status, headers);
return res.text();
})
// Check if we have a body; if so parse it as JSON.
.then(text => {
if (text.length === 0) {
return null;
}
// Note: we can't consume the response body twice.
return JSON.parse(text);
})["catch"](err => {
var error = new Error("HTTP " + (status || 0) + "; " + err);
error.response = response;
error.stack = err.stack;
throw error;
}).then(json => {
if (json && status >= 400) {
var message = "HTTP " + status + "; ";
if (json.errno && json.errno in _errorsJs2["default"]) {
message += _errorsJs2["default"][json.errno];
if (json.message) {
message += ": " + json.message;
}
} else {
message += statusText || "";
}
var error = new Error(message.trim());
error.response = response;
error.data = json;
throw error;
}
return { status: status, json: json, headers: headers };
});
}
}, {
key: "_checkForDeprecationHeader",
value: function _checkForDeprecationHeader(headers) {
var alertHeader = headers.get("Alert");
if (!alertHeader) {
return;
}
var alert = undefined;
try {
alert = JSON.parse(alertHeader);
} catch (err) {
console.warn("Unable to parse Alert header message", alertHeader);
return;
}
console.warn(alert.message, alert.url);
this.events.emit("deprecated", alert);
}
}, {
key: "_checkForBackoffHeader",
value: function _checkForBackoffHeader(status, headers) {
var backoffMs = undefined;
var backoffSeconds = parseInt(headers.get("Backoff"), 10);
if (backoffSeconds > 0) {
backoffMs = new Date().getTime() + backoffSeconds * 1000;
} else {
backoffMs = 0;
}
this.events.emit("backoff", backoffMs);
}
}]);
return HTTP;
})();
exports["default"] = HTTP;
module.exports = exports["default"];
},{"./errors.js":14}],16:[function(require,module,exports){
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.deepEquals = deepEquals;
exports.quote = quote;
exports.unquote = unquote;
exports.sortObjects = sortObjects;
exports.filterObjects = filterObjects;
exports.reduceRecords = reduceRecords;
exports.partition = partition;
exports.isUUID = isUUID;
exports.waterfall = waterfall;
var _assert = require("assert");
var RE_UUID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
/**
* Deeply checks if two structures are equals.
*
* @param {Any} a
* @param {Any} b
* @return {Boolean}
*/
function deepEquals(a, b) {
try {
(0, _assert.deepEqual)(a, b);
} catch (err) {
return false;
}
return true;
}
/**
* Returns the specified string with double quotes.
*
* @param {String} str A string to quote.
* @return {String}
*/
function quote(str) {
return "\"" + str + "\"";
}
/**
* Trim double quotes from specified string.
*
* @param {String} str A string to unquote.
* @return {String}
*/
function unquote(str) {
return str.replace(/^"/, "").replace(/"$/, "");
}
/**
* 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) {
var hasDash = order[0] === "-";
var field = hasDash ? order.slice(1) : order;
var 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;
});
}
/**
* Filters records in a list matching all given filters.
*
* @param {String} filters The filters object.
* @param {Array} list The collection to order.
* @return {Array}
*/
function filterObjects(filters, list) {
return list.filter(entry => {
return Object.keys(filters).every(filter => {
return entry[filter] === filters[filter];
});
});
}
/**
* 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) {
return sortObjects(order, filterObjects(filters, list));
}
/**
* Chunks an array into n pieces.
*
* @param {Array} array
* @param {Number} n
* @return {Array}
*/
function partition(array, n) {
if (n <= 0) {
return array;
}
return array.reduce((acc, x, i) => {
if (i === 0 || i % n === 0) {
acc.push([x]);
} else {
acc[acc.length - 1].push(x);
}
return acc;
}, []);
}
/**
* 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 Promise.resolve(init);
}
return fns.reduce((promise, nextFn) => {
return promise.then(nextFn);
}, Promise.resolve(init));
}
},{"assert":3}]},{},[2])(2)
});