@cygnus-reach/reach-protocol
Version:
Improve the Reachâ„ remote support experience with straightforward device interactions via the Reach Protocol.
1,302 lines (1,269 loc) • 521 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global["reach-protocol"] = {}));
})(this, (function (exports) { 'use strict';
/******************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise, SuppressedError, Symbol */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
function __values(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
}
function __read(o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
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finally { if (e) throw e.error; }
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return ar;
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function __spreadArray(to, from, pack) {
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ar[i] = from[i];
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}
typeof SuppressedError === "function" ? SuppressedError : function (error, suppressed, message) {
var e = new Error(message);
return e.name = "SuppressedError", e.error = error, e.suppressed = suppressed, e;
};
function isFunction(value) {
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}
function createErrorClass(createImpl) {
var _super = function (instance) {
Error.call(instance);
instance.stack = new Error().stack;
};
var ctorFunc = createImpl(_super);
ctorFunc.prototype = Object.create(Error.prototype);
ctorFunc.prototype.constructor = ctorFunc;
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var UnsubscriptionError = createErrorClass(function (_super) {
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_super(this);
this.message = errors
? errors.length + " errors occurred during unsubscription:\n" + errors.map(function (err, i) { return i + 1 + ") " + err.toString(); }).join('\n ')
: '';
this.name = 'UnsubscriptionError';
this.errors = errors;
};
});
function arrRemove(arr, item) {
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var index = arr.indexOf(item);
0 <= index && arr.splice(index, 1);
}
}
var Subscription = (function () {
function Subscription(initialTeardown) {
this.initialTeardown = initialTeardown;
this.closed = false;
this._parentage = null;
this._finalizers = null;
}
Subscription.prototype.unsubscribe = function () {
var e_1, _a, e_2, _b;
var errors;
if (!this.closed) {
this.closed = true;
var _parentage = this._parentage;
if (_parentage) {
this._parentage = null;
if (Array.isArray(_parentage)) {
try {
for (var _parentage_1 = __values(_parentage), _parentage_1_1 = _parentage_1.next(); !_parentage_1_1.done; _parentage_1_1 = _parentage_1.next()) {
var parent_1 = _parentage_1_1.value;
parent_1.remove(this);
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}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
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finally { if (e_1) throw e_1.error; }
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else {
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var initialFinalizer = this.initialTeardown;
if (isFunction(initialFinalizer)) {
try {
initialFinalizer();
}
catch (e) {
errors = e instanceof UnsubscriptionError ? e.errors : [e];
}
}
var _finalizers = this._finalizers;
if (_finalizers) {
this._finalizers = null;
try {
for (var _finalizers_1 = __values(_finalizers), _finalizers_1_1 = _finalizers_1.next(); !_finalizers_1_1.done; _finalizers_1_1 = _finalizers_1.next()) {
var finalizer = _finalizers_1_1.value;
try {
execFinalizer(finalizer);
}
catch (err) {
errors = errors !== null && errors !== void 0 ? errors : [];
if (err instanceof UnsubscriptionError) {
errors = __spreadArray(__spreadArray([], __read(errors)), __read(err.errors));
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else {
errors.push(err);
}
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_finalizers_1_1 && !_finalizers_1_1.done && (_b = _finalizers_1.return)) _b.call(_finalizers_1);
}
finally { if (e_2) throw e_2.error; }
}
}
if (errors) {
throw new UnsubscriptionError(errors);
}
}
};
Subscription.prototype.add = function (teardown) {
var _a;
if (teardown && teardown !== this) {
if (this.closed) {
execFinalizer(teardown);
}
else {
if (teardown instanceof Subscription) {
if (teardown.closed || teardown._hasParent(this)) {
return;
}
teardown._addParent(this);
}
(this._finalizers = (_a = this._finalizers) !== null && _a !== void 0 ? _a : []).push(teardown);
}
}
};
Subscription.prototype._hasParent = function (parent) {
var _parentage = this._parentage;
return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));
};
Subscription.prototype._addParent = function (parent) {
var _parentage = this._parentage;
this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;
};
Subscription.prototype._removeParent = function (parent) {
var _parentage = this._parentage;
if (_parentage === parent) {
this._parentage = null;
}
else if (Array.isArray(_parentage)) {
arrRemove(_parentage, parent);
}
};
Subscription.prototype.remove = function (teardown) {
var _finalizers = this._finalizers;
_finalizers && arrRemove(_finalizers, teardown);
if (teardown instanceof Subscription) {
teardown._removeParent(this);
}
};
Subscription.EMPTY = (function () {
var empty = new Subscription();
empty.closed = true;
return empty;
})();
return Subscription;
}());
var EMPTY_SUBSCRIPTION = Subscription.EMPTY;
function isSubscription(value) {
return (value instanceof Subscription ||
(value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe)));
}
function execFinalizer(finalizer) {
if (isFunction(finalizer)) {
finalizer();
}
else {
finalizer.unsubscribe();
}
}
var config = {
onUnhandledError: null,
onStoppedNotification: null,
Promise: undefined,
useDeprecatedSynchronousErrorHandling: false,
useDeprecatedNextContext: false,
};
var timeoutProvider = {
setTimeout: function (handler, timeout) {
var args = [];
for (var _i = 2; _i < arguments.length; _i++) {
args[_i - 2] = arguments[_i];
}
var delegate = timeoutProvider.delegate;
if (delegate === null || delegate === void 0 ? void 0 : delegate.setTimeout) {
return delegate.setTimeout.apply(delegate, __spreadArray([handler, timeout], __read(args)));
}
return setTimeout.apply(void 0, __spreadArray([handler, timeout], __read(args)));
},
clearTimeout: function (handle) {
var delegate = timeoutProvider.delegate;
return ((delegate === null || delegate === void 0 ? void 0 : delegate.clearTimeout) || clearTimeout)(handle);
},
delegate: undefined,
};
function reportUnhandledError(err) {
timeoutProvider.setTimeout(function () {
{
throw err;
}
});
}
function noop() { }
function errorContext(cb) {
{
cb();
}
}
var Subscriber = (function (_super) {
__extends(Subscriber, _super);
function Subscriber(destination) {
var _this = _super.call(this) || this;
_this.isStopped = false;
if (destination) {
_this.destination = destination;
if (isSubscription(destination)) {
destination.add(_this);
}
}
else {
_this.destination = EMPTY_OBSERVER;
}
return _this;
}
Subscriber.create = function (next, error, complete) {
return new SafeSubscriber(next, error, complete);
};
Subscriber.prototype.next = function (value) {
if (this.isStopped) ;
else {
this._next(value);
}
};
Subscriber.prototype.error = function (err) {
if (this.isStopped) ;
else {
this.isStopped = true;
this._error(err);
}
};
Subscriber.prototype.complete = function () {
if (this.isStopped) ;
else {
this.isStopped = true;
this._complete();
}
};
Subscriber.prototype.unsubscribe = function () {
if (!this.closed) {
this.isStopped = true;
_super.prototype.unsubscribe.call(this);
this.destination = null;
}
};
Subscriber.prototype._next = function (value) {
this.destination.next(value);
};
Subscriber.prototype._error = function (err) {
try {
this.destination.error(err);
}
finally {
this.unsubscribe();
}
};
Subscriber.prototype._complete = function () {
try {
this.destination.complete();
}
finally {
this.unsubscribe();
}
};
return Subscriber;
}(Subscription));
var _bind = Function.prototype.bind;
function bind(fn, thisArg) {
return _bind.call(fn, thisArg);
}
var ConsumerObserver = (function () {
function ConsumerObserver(partialObserver) {
this.partialObserver = partialObserver;
}
ConsumerObserver.prototype.next = function (value) {
var partialObserver = this.partialObserver;
if (partialObserver.next) {
try {
partialObserver.next(value);
}
catch (error) {
handleUnhandledError(error);
}
}
};
ConsumerObserver.prototype.error = function (err) {
var partialObserver = this.partialObserver;
if (partialObserver.error) {
try {
partialObserver.error(err);
}
catch (error) {
handleUnhandledError(error);
}
}
else {
handleUnhandledError(err);
}
};
ConsumerObserver.prototype.complete = function () {
var partialObserver = this.partialObserver;
if (partialObserver.complete) {
try {
partialObserver.complete();
}
catch (error) {
handleUnhandledError(error);
}
}
};
return ConsumerObserver;
}());
var SafeSubscriber = (function (_super) {
__extends(SafeSubscriber, _super);
function SafeSubscriber(observerOrNext, error, complete) {
var _this = _super.call(this) || this;
var partialObserver;
if (isFunction(observerOrNext) || !observerOrNext) {
partialObserver = {
next: (observerOrNext !== null && observerOrNext !== void 0 ? observerOrNext : undefined),
error: error !== null && error !== void 0 ? error : undefined,
complete: complete !== null && complete !== void 0 ? complete : undefined,
};
}
else {
var context_1;
if (_this && config.useDeprecatedNextContext) {
context_1 = Object.create(observerOrNext);
context_1.unsubscribe = function () { return _this.unsubscribe(); };
partialObserver = {
next: observerOrNext.next && bind(observerOrNext.next, context_1),
error: observerOrNext.error && bind(observerOrNext.error, context_1),
complete: observerOrNext.complete && bind(observerOrNext.complete, context_1),
};
}
else {
partialObserver = observerOrNext;
}
}
_this.destination = new ConsumerObserver(partialObserver);
return _this;
}
return SafeSubscriber;
}(Subscriber));
function handleUnhandledError(error) {
{
reportUnhandledError(error);
}
}
function defaultErrorHandler(err) {
throw err;
}
var EMPTY_OBSERVER = {
closed: true,
next: noop,
error: defaultErrorHandler,
complete: noop,
};
var observable = (function () { return (typeof Symbol === 'function' && Symbol.observable) || '@@observable'; })();
function identity(x) {
return x;
}
function pipeFromArray(fns) {
if (fns.length === 0) {
return identity;
}
if (fns.length === 1) {
return fns[0];
}
return function piped(input) {
return fns.reduce(function (prev, fn) { return fn(prev); }, input);
};
}
var Observable = (function () {
function Observable(subscribe) {
if (subscribe) {
this._subscribe = subscribe;
}
}
Observable.prototype.lift = function (operator) {
var observable = new Observable();
observable.source = this;
observable.operator = operator;
return observable;
};
Observable.prototype.subscribe = function (observerOrNext, error, complete) {
var _this = this;
var subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);
errorContext(function () {
var _a = _this, operator = _a.operator, source = _a.source;
subscriber.add(operator
?
operator.call(subscriber, source)
: source
?
_this._subscribe(subscriber)
:
_this._trySubscribe(subscriber));
});
return subscriber;
};
Observable.prototype._trySubscribe = function (sink) {
try {
return this._subscribe(sink);
}
catch (err) {
sink.error(err);
}
};
Observable.prototype.forEach = function (next, promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var subscriber = new SafeSubscriber({
next: function (value) {
try {
next(value);
}
catch (err) {
reject(err);
subscriber.unsubscribe();
}
},
error: reject,
complete: resolve,
});
_this.subscribe(subscriber);
});
};
Observable.prototype._subscribe = function (subscriber) {
var _a;
return (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber);
};
Observable.prototype[observable] = function () {
return this;
};
Observable.prototype.pipe = function () {
var operations = [];
for (var _i = 0; _i < arguments.length; _i++) {
operations[_i] = arguments[_i];
}
return pipeFromArray(operations)(this);
};
Observable.prototype.toPromise = function (promiseCtor) {
var _this = this;
promiseCtor = getPromiseCtor(promiseCtor);
return new promiseCtor(function (resolve, reject) {
var value;
_this.subscribe(function (x) { return (value = x); }, function (err) { return reject(err); }, function () { return resolve(value); });
});
};
Observable.create = function (subscribe) {
return new Observable(subscribe);
};
return Observable;
}());
function getPromiseCtor(promiseCtor) {
var _a;
return (_a = promiseCtor !== null && promiseCtor !== void 0 ? promiseCtor : config.Promise) !== null && _a !== void 0 ? _a : Promise;
}
function isObserver(value) {
return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);
}
function isSubscriber(value) {
return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));
}
var ObjectUnsubscribedError = createErrorClass(function (_super) {
return function ObjectUnsubscribedErrorImpl() {
_super(this);
this.name = 'ObjectUnsubscribedError';
this.message = 'object unsubscribed';
};
});
var Subject = (function (_super) {
__extends(Subject, _super);
function Subject() {
var _this = _super.call(this) || this;
_this.closed = false;
_this.currentObservers = null;
_this.observers = [];
_this.isStopped = false;
_this.hasError = false;
_this.thrownError = null;
return _this;
}
Subject.prototype.lift = function (operator) {
var subject = new AnonymousSubject(this, this);
subject.operator = operator;
return subject;
};
Subject.prototype._throwIfClosed = function () {
if (this.closed) {
throw new ObjectUnsubscribedError();
}
};
Subject.prototype.next = function (value) {
var _this = this;
errorContext(function () {
var e_1, _a;
_this._throwIfClosed();
if (!_this.isStopped) {
if (!_this.currentObservers) {
_this.currentObservers = Array.from(_this.observers);
}
try {
for (var _b = __values(_this.currentObservers), _c = _b.next(); !_c.done; _c = _b.next()) {
var observer = _c.value;
observer.next(value);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
}
});
};
Subject.prototype.error = function (err) {
var _this = this;
errorContext(function () {
_this._throwIfClosed();
if (!_this.isStopped) {
_this.hasError = _this.isStopped = true;
_this.thrownError = err;
var observers = _this.observers;
while (observers.length) {
observers.shift().error(err);
}
}
});
};
Subject.prototype.complete = function () {
var _this = this;
errorContext(function () {
_this._throwIfClosed();
if (!_this.isStopped) {
_this.isStopped = true;
var observers = _this.observers;
while (observers.length) {
observers.shift().complete();
}
}
});
};
Subject.prototype.unsubscribe = function () {
this.isStopped = this.closed = true;
this.observers = this.currentObservers = null;
};
Object.defineProperty(Subject.prototype, "observed", {
get: function () {
var _a;
return ((_a = this.observers) === null || _a === void 0 ? void 0 : _a.length) > 0;
},
enumerable: false,
configurable: true
});
Subject.prototype._trySubscribe = function (subscriber) {
this._throwIfClosed();
return _super.prototype._trySubscribe.call(this, subscriber);
};
Subject.prototype._subscribe = function (subscriber) {
this._throwIfClosed();
this._checkFinalizedStatuses(subscriber);
return this._innerSubscribe(subscriber);
};
Subject.prototype._innerSubscribe = function (subscriber) {
var _this = this;
var _a = this, hasError = _a.hasError, isStopped = _a.isStopped, observers = _a.observers;
if (hasError || isStopped) {
return EMPTY_SUBSCRIPTION;
}
this.currentObservers = null;
observers.push(subscriber);
return new Subscription(function () {
_this.currentObservers = null;
arrRemove(observers, subscriber);
});
};
Subject.prototype._checkFinalizedStatuses = function (subscriber) {
var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, isStopped = _a.isStopped;
if (hasError) {
subscriber.error(thrownError);
}
else if (isStopped) {
subscriber.complete();
}
};
Subject.prototype.asObservable = function () {
var observable = new Observable();
observable.source = this;
return observable;
};
Subject.create = function (destination, source) {
return new AnonymousSubject(destination, source);
};
return Subject;
}(Observable));
var AnonymousSubject = (function (_super) {
__extends(AnonymousSubject, _super);
function AnonymousSubject(destination, source) {
var _this = _super.call(this) || this;
_this.destination = destination;
_this.source = source;
return _this;
}
AnonymousSubject.prototype.next = function (value) {
var _a, _b;
(_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.next) === null || _b === void 0 ? void 0 : _b.call(_a, value);
};
AnonymousSubject.prototype.error = function (err) {
var _a, _b;
(_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.error) === null || _b === void 0 ? void 0 : _b.call(_a, err);
};
AnonymousSubject.prototype.complete = function () {
var _a, _b;
(_b = (_a = this.destination) === null || _a === void 0 ? void 0 : _a.complete) === null || _b === void 0 ? void 0 : _b.call(_a);
};
AnonymousSubject.prototype._subscribe = function (subscriber) {
var _a, _b;
return (_b = (_a = this.source) === null || _a === void 0 ? void 0 : _a.subscribe(subscriber)) !== null && _b !== void 0 ? _b : EMPTY_SUBSCRIPTION;
};
return AnonymousSubject;
}(Subject));
// tslint:disable: promise-function-async
/**
* A CompletablePromise is a Promise whose fulfillment or rejection
* can be triggered externally.
*
* @param T - the type of the object the promise can be fulfilled with.
*/
class CompletablePromise {
/**
* Create a new CompletablePromise that is already in the fulfilled state.
*
* @param value - the value to fulfill the promise with.
*/
static resolved(value) {
const cp = new CompletablePromise();
cp.fulfill(value);
return cp;
}
/**
* Construct a new CompletablePromise.
*/
constructor() {
/** The current state of the backing promise object. */
this.stateField = 'pending';
/**
* Fulfill the completable promise with some value.
*
* @param value - The value to fulfill the promise with.
*/
this.fulfill = (value) => {
// no-op
};
/**
* Reject the completable promise with an error.
*
* @param reason - The reason to reject the completable promise.
*/
this.reject = (reason) => {
// no-op
};
this.promise = new Promise((onFulfilled, onRejected) => {
this.fulfill = (value) => {
this.stateField = 'resolved';
onFulfilled(value);
};
this.reject = (reason) => {
this.stateField = 'rejected';
onRejected(reason);
};
});
}
/**
* Get the current state of the CompletablePromise.
*
* @returns 'pending' | 'resolved' | 'rejected'.
*/
get state() {
return this.stateField;
}
/**
* Attaches a single callback for both the resolution and rejection
* of the promise.
*/
finally(onfinally) {
if (this.promise.finally) {
return this.promise.finally(onfinally);
}
return Promise.reject('Finally is not supported on this platform');
}
/**
* Attaches callbacks for the resolution and/or rejection of the Promise.
*/
then(onfulfilled, onrejected) {
return this.promise.then(onfulfilled, onrejected);
}
/**
* Attaches callbacks for just the rejection of the Promise.
*/
catch(onrejected) {
return this.promise.catch(onrejected);
}
wait() {
return this;
}
}
const DEFAULT_PARAM_VALUES_PER_MESSAGE = 1;
const DEFAULT_MAX_BYTES_PER_MESSAGE = 244;
const DEFAULT_MAX_FILE_TRANSFER_BUFFER = 194;
const DEFAULT_TRANSFER_BYTES = 100;
const DEFAULT_MESSAGES_PER_ACK = 1;
const DEFAULT_TIMEOUT_MS = 5000;
/**
* Get the type of a JSON value.
* Distinguishes between array, null and object.
*/
function typeofJsonValue(value) {
let t = typeof value;
if (t == "object") {
if (Array.isArray(value))
return "array";
if (value === null)
return "null";
}
return t;
}
/**
* Is this a JSON object (instead of an array or null)?
*/
function isJsonObject(value) {
return value !== null && typeof value == "object" && !Array.isArray(value);
}
// lookup table from base64 character to byte
let encTable = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
// lookup table from base64 character *code* to byte because lookup by number is fast
let decTable = [];
for (let i = 0; i < encTable.length; i++)
decTable[encTable[i].charCodeAt(0)] = i;
// support base64url variants
decTable["-".charCodeAt(0)] = encTable.indexOf("+");
decTable["_".charCodeAt(0)] = encTable.indexOf("/");
/**
* Decodes a base64 string to a byte array.
*
* - ignores white-space, including line breaks and tabs
* - allows inner padding (can decode concatenated base64 strings)
* - does not require padding
* - understands base64url encoding:
* "-" instead of "+",
* "_" instead of "/",
* no padding
*/
function base64decode(base64Str) {
// estimate byte size, not accounting for inner padding and whitespace
let es = base64Str.length * 3 / 4;
// if (es % 3 !== 0)
// throw new Error('invalid base64 string');
if (base64Str[base64Str.length - 2] == '=')
es -= 2;
else if (base64Str[base64Str.length - 1] == '=')
es -= 1;
let bytes = new Uint8Array(es), bytePos = 0, // position in byte array
groupPos = 0, // position in base64 group
b, // current byte
p = 0 // previous byte
;
for (let i = 0; i < base64Str.length; i++) {
b = decTable[base64Str.charCodeAt(i)];
if (b === undefined) {
// noinspection FallThroughInSwitchStatementJS
switch (base64Str[i]) {
case '=':
groupPos = 0; // reset state when padding found
case '\n':
case '\r':
case '\t':
case ' ':
continue; // skip white-space, and padding
default:
throw Error(`invalid base64 string.`);
}
}
switch (groupPos) {
case 0:
p = b;
groupPos = 1;
break;
case 1:
bytes[bytePos++] = p << 2 | (b & 48) >> 4;
p = b;
groupPos = 2;
break;
case 2:
bytes[bytePos++] = (p & 15) << 4 | (b & 60) >> 2;
p = b;
groupPos = 3;
break;
case 3:
bytes[bytePos++] = (p & 3) << 6 | b;
groupPos = 0;
break;
}
}
if (groupPos == 1)
throw Error(`invalid base64 string.`);
return bytes.subarray(0, bytePos);
}
/**
* Encodes a byte array to a base64 string.
* Adds padding at the end.
* Does not insert newlines.
*/
function base64encode(bytes) {
let base64 = '', groupPos = 0, // position in base64 group
b, // current byte
p = 0; // carry over from previous byte
for (let i = 0; i < bytes.length; i++) {
b = bytes[i];
switch (groupPos) {
case 0:
base64 += encTable[b >> 2];
p = (b & 3) << 4;
groupPos = 1;
break;
case 1:
base64 += encTable[p | b >> 4];
p = (b & 15) << 2;
groupPos = 2;
break;
case 2:
base64 += encTable[p | b >> 6];
base64 += encTable[b & 63];
groupPos = 0;
break;
}
}
// padding required?
if (groupPos) {
base64 += encTable[p];
base64 += '=';
if (groupPos == 1)
base64 += '=';
}
return base64;
}
/**
* This handler implements the default behaviour for unknown fields.
* When reading data, unknown fields are stored on the message, in a
* symbol property.
* When writing data, the symbol property is queried and unknown fields
* are serialized into the output again.
*/
var UnknownFieldHandler;
(function (UnknownFieldHandler) {
/**
* The symbol used to store unknown fields for a message.
* The property must conform to `UnknownFieldContainer`.
*/
UnknownFieldHandler.symbol = Symbol.for("protobuf-ts/unknown");
/**
* Store an unknown field during binary read directly on the message.
* This method is compatible with `BinaryReadOptions.readUnknownField`.
*/
UnknownFieldHandler.onRead = (typeName, message, fieldNo, wireType, data) => {
let container = is(message) ? message[UnknownFieldHandler.symbol] : message[UnknownFieldHandler.symbol] = [];
container.push({ no: fieldNo, wireType, data });
};
/**
* Write unknown fields stored for the message to the writer.
* This method is compatible with `BinaryWriteOptions.writeUnknownFields`.
*/
UnknownFieldHandler.onWrite = (typeName, message, writer) => {
for (let { no, wireType, data } of UnknownFieldHandler.list(message))
writer.tag(no, wireType).raw(data);
};
/**
* List unknown fields stored for the message.
* Note that there may be multiples fields with the same number.
*/
UnknownFieldHandler.list = (message, fieldNo) => {
if (is(message)) {
let all = message[UnknownFieldHandler.symbol];
return fieldNo ? all.filter(uf => uf.no == fieldNo) : all;
}
return [];
};
/**
* Returns the last unknown field by field number.
*/
UnknownFieldHandler.last = (message, fieldNo) => UnknownFieldHandler.list(message, fieldNo).slice(-1)[0];
const is = (message) => message && Array.isArray(message[UnknownFieldHandler.symbol]);
})(UnknownFieldHandler || (UnknownFieldHandler = {}));
/**
* Protobuf binary format wire types.
*
* A wire type provides just enough information to find the length of the
* following value.
*
* See https://developers.google.com/protocol-buffers/docs/encoding#structure
*/
var WireType;
(function (WireType) {
/**
* Used for int32, int64, uint32, uint64, sint32, sint64, bool, enum
*/
WireType[WireType["Varint"] = 0] = "Varint";
/**
* Used for fixed64, sfixed64, double.
* Always 8 bytes with little-endian byte order.
*/
WireType[WireType["Bit64"] = 1] = "Bit64";
/**
* Used for string, bytes, embedded messages, packed repeated fields
*
* Only repeated numeric types (types which use the varint, 32-bit,
* or 64-bit wire types) can be packed. In proto3, such fields are
* packed by default.
*/
WireType[WireType["LengthDelimited"] = 2] = "LengthDelimited";
/**
* Used for groups
* @deprecated
*/
WireType[WireType["StartGroup"] = 3] = "StartGroup";
/**
* Used for groups
* @deprecated
*/
WireType[WireType["EndGroup"] = 4] = "EndGroup";
/**
* Used for fixed32, sfixed32, float.
* Always 4 bytes with little-endian byte order.
*/
WireType[WireType["Bit32"] = 5] = "Bit32";
})(WireType || (WireType = {}));
// Copyright 2008 Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Code generated by the Protocol Buffer compiler is owned by the owner
// of the input file used when generating it. This code is not
// standalone and requires a support library to be linked with it. This
// support library is itself covered by the above license.
/**
* Read a 64 bit varint as two JS numbers.
*
* Returns tuple:
* [0]: low bits
* [0]: high bits
*
* Copyright 2008 Google Inc. All rights reserved.
*
* See https://github.com/protocolbuffers/protobuf/blob/8a71927d74a4ce34efe2d8769fda198f52d20d12/js/experimental/runtime/kernel/buffer_decoder.js#L175
*/
function varint64read() {
let lowBits = 0;
let highBits = 0;
for (let shift = 0; shift < 28; shift += 7) {
let b = this.buf[this.pos++];
lowBits |= (b & 0x7F) << shift;
if ((b & 0x80) == 0) {
this.assertBounds();
return [lowBits, highBits];
}
}
let middleByte = this.buf[this.pos++];
// last four bits of the first 32 bit number
lowBits |= (middleByte & 0x0F) << 28;
// 3 upper bits are part of the next 32 bit number
highBits = (middleByte & 0x70) >> 4;
if ((middleByte & 0x80) == 0) {
this.assertBounds();
return [lowBits, highBits];
}
for (let shift = 3; shift <= 31; shift += 7) {
let b = this.buf[this.pos++];
highBits |= (b & 0x7F) << shift;
if ((b & 0x80) == 0) {
this.assertBounds();
return [lowBits, highBits];
}
}
throw new Error('invalid varint');
}
/**
* Write a 64 bit varint, given as two JS numbers, to the given bytes array.
*
* Copyright 2008 Google Inc. All rights reserved.
*
* See https://github.com/protocolbuffers/protobuf/blob/8a71927d74a4ce34efe2d8769fda198f52d20d12/js/experimental/runtime/kernel/writer.js#L344
*/
function varint64write(lo, hi, bytes) {
for (let i = 0; i < 28; i = i + 7) {
const shift = lo >>> i;
const hasNext = !((shift >>> 7) == 0 && hi == 0);
const byte = (hasNext ? shift | 0x80 : shift) & 0xFF;
bytes.push(byte);
if (!hasNext) {
return;
}
}
const splitBits = ((lo >>> 28) & 0x0F) | ((hi & 0x07) << 4);
const hasMoreBits = !((hi >> 3) == 0);
bytes.push((hasMoreBits ? splitBits | 0x80 : splitBits) & 0xFF);
if (!hasMoreBits) {
return;
}
for (let i = 3; i < 31; i = i + 7) {
const shift = hi >>> i;
const hasNext = !((shift >>> 7) == 0);
const byte = (hasNext ? shift | 0x80 : shift) & 0xFF;
bytes.push(byte);
if (!hasNext) {
return;
}
}
bytes.push((hi >>> 31) & 0x01);
}
// constants for binary math
const TWO_PWR_32_DBL$1 = (1 << 16) * (1 << 16);
/**
* Parse decimal string of 64 bit integer value as two JS numbers.
*
* Returns tuple:
* [0]: minus sign?
* [1]: low bits
* [2]: high bits
*
* Copyright 2008 Google Inc.
*/
function int64fromString(dec) {
// Check for minus sign.
let minus = dec[0] == '-';
if (minus)
dec = dec.slice(1);
// Work 6 decimal digits at a time, acting like we're converting base 1e6
// digits to binary. This is safe to do with floating point math because
// Number.isSafeInteger(ALL_32_BITS * 1e6) == true.
const base = 1e6;
let lowBits = 0;
let highBits = 0;
function add1e6digit(begin, end) {
// Note: Number('') is 0.
const digit1e6 = Number(dec.slice(begin, end));
highBits *= base;
lowBits = lowBits * base + digit1e6;
// Carry bits from lowBits to highBits
if (lowBits >= TWO_PWR_32_DBL$1) {
highBits = highBits + ((lowBits / TWO_PWR_32_DBL$1) | 0);
lowBits = lowBits % TWO_PWR_32_DBL$1;
}
}
add1e6digit(-24, -18);
add1e6digit(-18, -12);
add1e6digit(-12, -6);
add1e6digit(-6);
return [minus, lowBits, highBits];
}
/**
* Format 64 bit integer value (as two JS numbers) to decimal string.
*
* Copyright 2008 Google Inc.
*/
function int64toString(bitsLow, bitsHigh) {
// Skip the expensive conversion if the number is small enough to use the
// built-in conversions.
if ((bitsHigh >>> 0) <= 0x1FFFFF) {
return '' + (TWO_PWR_32_DBL$1 * bitsHigh + (bitsLow >>> 0));
}
// What this code is doing is essentially converting the input number from
// base-2 to base-1e7, which allows us to represent the 64-bit range with
// only 3 (very large) digits. Those digits are then trivial to convert to
// a base-10 string.
// The magic numbers used here are -
// 2^24 = 16777216 = (1,6777216) in base-1e7.
// 2^48 = 281474976710656 = (2,8147497,6710656) in base-1e7.
// Split 32:32 representation into 16:24:24 representation so our
// intermediate digits don't overflow.
let low = bitsLow & 0xFFFFFF;
let mid = (((bitsLow >>> 24) | (bitsHigh << 8)) >>> 0) & 0xFFFFFF;
let high = (bitsHigh >> 16) & 0xFFFF;
// Assemble our three base-1e7 digits, ignoring carries. The maximum
// value in a digit at this step is representable as a 48-bit integer, which
// can be stored in a 64-bit floating point number.
let digitA = low + (mid * 6777216) + (high * 6710656);
let digitB = mid + (high * 8147497);
let digitC = (high * 2);
// Apply carries from A to B and from B to C.
let base = 10000000;
if (digitA >= base) {
digitB += Math.floor(digitA / base);
digitA %= base;
}
if (digitB >= base) {
digitC += Math.floor(digitB / base);
digitB %= base;
}
// Convert base-1e7 digits to base-10, with optional leading zeroes.
function decimalFrom1e7(digit1e7, needLeadingZeros) {
let partial = digit1e7 ? String(digit1e7) : '';
if (needLeadingZeros) {
return '0000000'.slice(partial.length) + partial;
}
return partial;
}
return decimalFrom1e7(digitC, /*needLeadingZeros=*/ 0) +
decimalFrom1e7(digitB, /*needLeadingZeros=*/ digitC) +
// If the final 1e7 digit didn't need leading zeros, we would have
// returned via the trivial code path at the top.
decimalFrom1e7(digitA, /*needLeadingZeros=*/ 1);
}
/**
* Write a 32 bit varint, signed or unsigned. Same as `varint64write(0, value, bytes)`
*
* Copyright 2008 Google Inc. All rights reserved.
*
* See https://github.com/protocolbuffers/protobuf/blob/1b18833f4f2a2f681f4e4a25cdf3b0a43115ec26/js/binary/encoder.js#L144
*/
function varint32write(value, bytes) {
if (value >= 0) {
// write value as varint 32
while (value > 0x7f) {
bytes.push((value & 0x7f) | 0x80);
value = value >>> 7;
}
bytes.push(value);
}
else {
for (let i = 0; i < 9; i++) {
bytes.push(value & 127 | 128);
value = value >> 7;
}
bytes.push(1);
}
}
/**
* Read an unsigned 32 bit varint.
*
* See https://github.com/protocolbuffers/protobuf/blob/8a71927d74a4ce34efe2d8769fda198f52d20d12/js/experimental/runtime/kernel/buffer_decoder.js#L220
*/
function varint32read() {
let b = this.buf[this.pos++];
let result = b & 0x7F;
if ((b & 0x80) == 0) {
this.assertBounds();
return result;
}
b = this.buf[this.pos++];
result |= (b & 0x7F) << 7;
if ((b & 0x80) == 0) {
this.assertBounds();
return result;
}
b = this.buf[this.pos++];
result |= (b & 0x7F) << 14;
if ((b & 0x80) == 0) {
this.assertBounds();
return result;
}
b = this.buf[this.pos++];
result |= (b & 0x7F) << 21;
if ((b & 0x80) == 0) {
this.assertBounds();
return result;