awesome-im
Version:
Lightweight, extensible, JavaScript Instant Messaging.
1,324 lines (1,305 loc) • 87.7 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.im = factory());
})(this, (function () { 'use strict';
function ownKeys(object, enumerableOnly) {
var keys = Object.keys(object);
if (Object.getOwnPropertySymbols) {
var symbols = Object.getOwnPropertySymbols(object);
enumerableOnly && (symbols = symbols.filter(function (sym) {
return Object.getOwnPropertyDescriptor(object, sym).enumerable;
})), keys.push.apply(keys, symbols);
}
return keys;
}
function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
var source = null != arguments[i] ? arguments[i] : {};
i % 2 ? ownKeys(Object(source), !0).forEach(function (key) {
_defineProperty(target, key, source[key]);
}) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) {
Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
});
}
return target;
}
function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
try {
var info = gen[key](arg);
var value = info.value;
} catch (error) {
reject(error);
return;
}
if (info.done) {
resolve(value);
} else {
Promise.resolve(value).then(_next, _throw);
}
}
function _asyncToGenerator(fn) {
return function () {
var self = this,
args = arguments;
return new Promise(function (resolve, reject) {
var gen = fn.apply(self, args);
function _next(value) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
}
function _throw(err) {
asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
}
_next(undefined);
});
};
}
function _defineProperty(obj, key, value) {
key = _toPropertyKey(key);
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true
});
} else {
obj[key] = value;
}
return obj;
}
function _toPrimitive(input, hint) {
if (typeof input !== "object" || input === null) return input;
var prim = input[Symbol.toPrimitive];
if (prim !== undefined) {
var res = prim.call(input, hint || "default");
if (typeof res !== "object") return res;
throw new TypeError("@@toPrimitive must return a primitive value.");
}
return (hint === "string" ? String : Number)(input);
}
function _toPropertyKey(arg) {
var key = _toPrimitive(arg, "string");
return typeof key === "symbol" ? key : String(key);
}
class EventEmitter {
constructor() {
this._map = {};
}
on(eventType, listener, target) {
var arr = this._map[eventType] || (this._map[eventType] = []);
if (arr.some(item => item.listener === listener && item.target === target)) {
return;
}
arr.push({
listener,
target
});
}
once(eventType, listener, target) {
var arr = this._map[eventType] || (this._map[eventType] = []);
if (arr.some(item => item.listener === listener && item.target === target)) {
return;
}
arr.push({
listener,
target,
once: true
});
}
off(eventType, listener, target) {
var arr = this._map[eventType];
if (!arr) {
return;
}
arr = arr.filter(item => item.listener !== listener || item.target !== target);
if (arr.length) {
this._map[eventType] = arr;
} else {
delete this._map[eventType];
}
}
emit(eventType) {
var arr = this._map[eventType];
if (!arr) {
return;
}
for (var _len = arguments.length, attrs = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
attrs[_key - 1] = arguments[_key];
}
for (var i = arr.length - 1; i >= 0; i -= 1) {
var {
target,
once,
listener
} = arr[i];
if (once) arr.splice(i, 1);
try {
listener.call(target, ...attrs);
} catch (error) {}
}
}
removeAll(eventType) {
delete this._map[eventType];
}
clear() {
Object.keys(this._map).forEach(this.removeAll, this);
}
}
var eventEmitter = new EventEmitter();
var event = {
STATUS: "STATUS",
MESSAGE: "MESSAGE",
TEST: "TEST"
};
var ConnectionStatus = {
TIMEOUT: -1,
CONNECTED: 0,
CONNECTING: 1,
DISCONNECTED: 2,
NETWORK_UNAVAILABLE: 3,
CONNECTION_CLOSED: 4,
KICKED_OFFLINE_BY_OTHER_CLIENT: 6,
WEBSOCKET_UNAVAILABLE: 7,
WEBSOCKET_ERROR: 8
};
var ErrorCode = {
TIMEOUT: {
code: -1,
msg: 'Network timeout'
},
SUCCESS: {
code: 0,
errMsg: "success"
},
NOT_CONNECTED: {
code: 10001,
errMsg: "not connect"
},
SERVER_SEND_DATA_NOT_RIGHT: {
code: 10002,
errMsg: "SERVER SEND DATA NOT RIGHT"
},
CONNECTION_EXIST: {
code: 10003,
errMsg: "Connection already exists"
}
};
var MessageType = {
TEXT: "TxtMsg",
IMAGE: "ImgMsg",
FILE: "FileMsg",
PING: "PingMsg",
SIGNAL: "SignalMsg"
};
var ConversationType = {
SERVER: 0,
PRIVATE: 1,
DISCUSSION: 2,
GROUP: 3,
CHATROOM: 4,
SYSTEM: 5
};
var MessageDirection = {
SEND: 1,
RECEIVE: 2
};
class MessageModel {
constructor(messageData) {
var {
messageType,
conversationType,
message,
extra,
from,
to,
messageUId,
messageId
} = messageData;
var Message = {
"messageDirection": MessageDirection.SEND,
"messageType": messageType || MessageType.TEXT,
"sentTime": new Date().getTime(),
"messageUId": messageUId,
"messageId": messageId,
"conversationType": conversationType || ConversationType.SERVER
};
if (message) {
Message.content = {
message,
extra: extra || null
};
}
from && (Message.from = from);
to && (Message.to = to);
return Message;
}
}
class TextMessage extends MessageModel {
constructor(messageData) {
var Message = super(messageData);
Message.messageType = MessageType.TEXT;
return Message;
}
}
class ImageMessage extends MessageModel {
constructor(messageData) {
var Message = super(messageData);
Message.messageType = MessageType.IMAGE;
return Message;
}
}
class PingMessage extends MessageModel {
constructor(messageData) {
var Message = super(messageData);
Message.messageType = MessageType.PING;
Message.conversationType = ConversationType.SERVER;
return Message;
}
}
class SignalMessage extends MessageModel {
constructor(messageData) {
var Message = super(messageData);
Message.messageType = MessageType.SIGNAL;
Message.signalName = messageData.signalName;
Message.conversationType = ConversationType.SERVER;
return Message;
}
}
var Message = /*#__PURE__*/Object.freeze({
__proto__: null,
ConversationType: ConversationType,
ImageMessage: ImageMessage,
MessageDirection: MessageDirection,
MessageType: MessageType,
PingMessage: PingMessage,
SignalMessage: SignalMessage,
TextMessage: TextMessage,
default: MessageModel
});
function utf8Count(str) {
var strLength = str.length;
var byteLength = 0;
var pos = 0;
while (pos < strLength) {
var value = str.charCodeAt(pos++);
if ((value & 0xffffff80) === 0) {
// 1-byte
byteLength++;
continue;
}
else if ((value & 0xfffff800) === 0) {
// 2-bytes
byteLength += 2;
}
else {
// handle surrogate pair
if (value >= 0xd800 && value <= 0xdbff) {
// high surrogate
if (pos < strLength) {
var extra = str.charCodeAt(pos);
if ((extra & 0xfc00) === 0xdc00) {
++pos;
value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000;
}
}
}
if ((value & 0xffff0000) === 0) {
// 3-byte
byteLength += 3;
}
else {
// 4-byte
byteLength += 4;
}
}
}
return byteLength;
}
function utf8EncodeJs(str, output, outputOffset) {
var strLength = str.length;
var offset = outputOffset;
var pos = 0;
while (pos < strLength) {
var value = str.charCodeAt(pos++);
if ((value & 0xffffff80) === 0) {
// 1-byte
output[offset++] = value;
continue;
}
else if ((value & 0xfffff800) === 0) {
// 2-bytes
output[offset++] = ((value >> 6) & 0x1f) | 0xc0;
}
else {
// handle surrogate pair
if (value >= 0xd800 && value <= 0xdbff) {
// high surrogate
if (pos < strLength) {
var extra = str.charCodeAt(pos);
if ((extra & 0xfc00) === 0xdc00) {
++pos;
value = ((value & 0x3ff) << 10) + (extra & 0x3ff) + 0x10000;
}
}
}
if ((value & 0xffff0000) === 0) {
// 3-byte
output[offset++] = ((value >> 12) & 0x0f) | 0xe0;
output[offset++] = ((value >> 6) & 0x3f) | 0x80;
}
else {
// 4-byte
output[offset++] = ((value >> 18) & 0x07) | 0xf0;
output[offset++] = ((value >> 12) & 0x3f) | 0x80;
output[offset++] = ((value >> 6) & 0x3f) | 0x80;
}
}
output[offset++] = (value & 0x3f) | 0x80;
}
}
// TextEncoder and TextDecoder are standardized in whatwg encoding:
// https://encoding.spec.whatwg.org/
// and available in all the modern browsers:
// https://caniuse.com/textencoder
// They are available in Node.js since v12 LTS as well:
// https://nodejs.org/api/globals.html#textencoder
var sharedTextEncoder = new TextEncoder();
// This threshold should be determined by benchmarking, which might vary in engines and input data.
// Run `npx ts-node benchmark/encode-string.ts` for details.
var TEXT_ENCODER_THRESHOLD = 50;
function utf8EncodeTE(str, output, outputOffset) {
sharedTextEncoder.encodeInto(str, output.subarray(outputOffset));
}
function utf8Encode(str, output, outputOffset) {
if (str.length > TEXT_ENCODER_THRESHOLD) {
utf8EncodeTE(str, output, outputOffset);
}
else {
utf8EncodeJs(str, output, outputOffset);
}
}
var CHUNK_SIZE = 4096;
function utf8DecodeJs(bytes, inputOffset, byteLength) {
var offset = inputOffset;
var end = offset + byteLength;
var units = [];
var result = "";
while (offset < end) {
var byte1 = bytes[offset++];
if ((byte1 & 0x80) === 0) {
// 1 byte
units.push(byte1);
}
else if ((byte1 & 0xe0) === 0xc0) {
// 2 bytes
var byte2 = bytes[offset++] & 0x3f;
units.push(((byte1 & 0x1f) << 6) | byte2);
}
else if ((byte1 & 0xf0) === 0xe0) {
// 3 bytes
var byte2 = bytes[offset++] & 0x3f;
var byte3 = bytes[offset++] & 0x3f;
units.push(((byte1 & 0x1f) << 12) | (byte2 << 6) | byte3);
}
else if ((byte1 & 0xf8) === 0xf0) {
// 4 bytes
var byte2 = bytes[offset++] & 0x3f;
var byte3 = bytes[offset++] & 0x3f;
var byte4 = bytes[offset++] & 0x3f;
var unit = ((byte1 & 0x07) << 0x12) | (byte2 << 0x0c) | (byte3 << 0x06) | byte4;
if (unit > 0xffff) {
unit -= 0x10000;
units.push(((unit >>> 10) & 0x3ff) | 0xd800);
unit = 0xdc00 | (unit & 0x3ff);
}
units.push(unit);
}
else {
units.push(byte1);
}
if (units.length >= CHUNK_SIZE) {
result += String.fromCharCode.apply(String, units);
units.length = 0;
}
}
if (units.length > 0) {
result += String.fromCharCode.apply(String, units);
}
return result;
}
var sharedTextDecoder = new TextDecoder();
// This threshold should be determined by benchmarking, which might vary in engines and input data.
// Run `npx ts-node benchmark/decode-string.ts` for details.
var TEXT_DECODER_THRESHOLD = 200;
function utf8DecodeTD(bytes, inputOffset, byteLength) {
var stringBytes = bytes.subarray(inputOffset, inputOffset + byteLength);
return sharedTextDecoder.decode(stringBytes);
}
function utf8Decode(bytes, inputOffset, byteLength) {
if (byteLength > TEXT_DECODER_THRESHOLD) {
return utf8DecodeTD(bytes, inputOffset, byteLength);
}
else {
return utf8DecodeJs(bytes, inputOffset, byteLength);
}
}
/**
* ExtData is used to handle Extension Types that are not registered to ExtensionCodec.
*/
var ExtData = /** @class */ (function () {
function ExtData(type, data) {
this.type = type;
this.data = data;
}
return ExtData;
}());
var __extends = (undefined && undefined.__extends) || (function () {
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);
};
return function (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 __());
};
})();
var DecodeError = /** @class */ (function (_super) {
__extends(DecodeError, _super);
function DecodeError(message) {
var _this = _super.call(this, message) || this;
// fix the prototype chain in a cross-platform way
var proto = Object.create(DecodeError.prototype);
Object.setPrototypeOf(_this, proto);
Object.defineProperty(_this, "name", {
configurable: true,
enumerable: false,
value: DecodeError.name,
});
return _this;
}
return DecodeError;
}(Error));
// Integer Utility
var UINT32_MAX = 4294967295;
// DataView extension to handle int64 / uint64,
// where the actual range is 53-bits integer (a.k.a. safe integer)
function setUint64(view, offset, value) {
var high = value / 4294967296;
var low = value; // high bits are truncated by DataView
view.setUint32(offset, high);
view.setUint32(offset + 4, low);
}
function setInt64(view, offset, value) {
var high = Math.floor(value / 4294967296);
var low = value; // high bits are truncated by DataView
view.setUint32(offset, high);
view.setUint32(offset + 4, low);
}
function getInt64(view, offset) {
var high = view.getInt32(offset);
var low = view.getUint32(offset + 4);
return high * 4294967296 + low;
}
function getUint64(view, offset) {
var high = view.getUint32(offset);
var low = view.getUint32(offset + 4);
return high * 4294967296 + low;
}
// https://github.com/msgpack/msgpack/blob/master/spec.md#timestamp-extension-type
var EXT_TIMESTAMP = -1;
var TIMESTAMP32_MAX_SEC = 0x100000000 - 1; // 32-bit unsigned int
var TIMESTAMP64_MAX_SEC = 0x400000000 - 1; // 34-bit unsigned int
function encodeTimeSpecToTimestamp(_a) {
var sec = _a.sec, nsec = _a.nsec;
if (sec >= 0 && nsec >= 0 && sec <= TIMESTAMP64_MAX_SEC) {
// Here sec >= 0 && nsec >= 0
if (nsec === 0 && sec <= TIMESTAMP32_MAX_SEC) {
// timestamp 32 = { sec32 (unsigned) }
var rv = new Uint8Array(4);
var view = new DataView(rv.buffer);
view.setUint32(0, sec);
return rv;
}
else {
// timestamp 64 = { nsec30 (unsigned), sec34 (unsigned) }
var secHigh = sec / 0x100000000;
var secLow = sec & 0xffffffff;
var rv = new Uint8Array(8);
var view = new DataView(rv.buffer);
// nsec30 | secHigh2
view.setUint32(0, (nsec << 2) | (secHigh & 0x3));
// secLow32
view.setUint32(4, secLow);
return rv;
}
}
else {
// timestamp 96 = { nsec32 (unsigned), sec64 (signed) }
var rv = new Uint8Array(12);
var view = new DataView(rv.buffer);
view.setUint32(0, nsec);
setInt64(view, 4, sec);
return rv;
}
}
function encodeDateToTimeSpec(date) {
var msec = date.getTime();
var sec = Math.floor(msec / 1e3);
var nsec = (msec - sec * 1e3) * 1e6;
// Normalizes { sec, nsec } to ensure nsec is unsigned.
var nsecInSec = Math.floor(nsec / 1e9);
return {
sec: sec + nsecInSec,
nsec: nsec - nsecInSec * 1e9,
};
}
function encodeTimestampExtension(object) {
if (object instanceof Date) {
var timeSpec = encodeDateToTimeSpec(object);
return encodeTimeSpecToTimestamp(timeSpec);
}
else {
return null;
}
}
function decodeTimestampToTimeSpec(data) {
var view = new DataView(data.buffer, data.byteOffset, data.byteLength);
// data may be 32, 64, or 96 bits
switch (data.byteLength) {
case 4: {
// timestamp 32 = { sec32 }
var sec = view.getUint32(0);
var nsec = 0;
return { sec: sec, nsec: nsec };
}
case 8: {
// timestamp 64 = { nsec30, sec34 }
var nsec30AndSecHigh2 = view.getUint32(0);
var secLow32 = view.getUint32(4);
var sec = (nsec30AndSecHigh2 & 0x3) * 0x100000000 + secLow32;
var nsec = nsec30AndSecHigh2 >>> 2;
return { sec: sec, nsec: nsec };
}
case 12: {
// timestamp 96 = { nsec32 (unsigned), sec64 (signed) }
var sec = getInt64(view, 4);
var nsec = view.getUint32(0);
return { sec: sec, nsec: nsec };
}
default:
throw new DecodeError("Unrecognized data size for timestamp (expected 4, 8, or 12): ".concat(data.length));
}
}
function decodeTimestampExtension(data) {
var timeSpec = decodeTimestampToTimeSpec(data);
return new Date(timeSpec.sec * 1e3 + timeSpec.nsec / 1e6);
}
var timestampExtension = {
type: EXT_TIMESTAMP,
encode: encodeTimestampExtension,
decode: decodeTimestampExtension,
};
// ExtensionCodec to handle MessagePack extensions
var ExtensionCodec = /** @class */ (function () {
function ExtensionCodec() {
// built-in extensions
this.builtInEncoders = [];
this.builtInDecoders = [];
// custom extensions
this.encoders = [];
this.decoders = [];
this.register(timestampExtension);
}
ExtensionCodec.prototype.register = function (_a) {
var type = _a.type, encode = _a.encode, decode = _a.decode;
if (type >= 0) {
// custom extensions
this.encoders[type] = encode;
this.decoders[type] = decode;
}
else {
// built-in extensions
var index = 1 + type;
this.builtInEncoders[index] = encode;
this.builtInDecoders[index] = decode;
}
};
ExtensionCodec.prototype.tryToEncode = function (object, context) {
// built-in extensions
for (var i = 0; i < this.builtInEncoders.length; i++) {
var encodeExt = this.builtInEncoders[i];
if (encodeExt != null) {
var data = encodeExt(object, context);
if (data != null) {
var type = -1 - i;
return new ExtData(type, data);
}
}
}
// custom extensions
for (var i = 0; i < this.encoders.length; i++) {
var encodeExt = this.encoders[i];
if (encodeExt != null) {
var data = encodeExt(object, context);
if (data != null) {
var type = i;
return new ExtData(type, data);
}
}
}
if (object instanceof ExtData) {
// to keep ExtData as is
return object;
}
return null;
};
ExtensionCodec.prototype.decode = function (data, type, context) {
var decodeExt = type < 0 ? this.builtInDecoders[-1 - type] : this.decoders[type];
if (decodeExt) {
return decodeExt(data, type, context);
}
else {
// decode() does not fail, returns ExtData instead.
return new ExtData(type, data);
}
};
ExtensionCodec.defaultCodec = new ExtensionCodec();
return ExtensionCodec;
}());
function ensureUint8Array(buffer) {
if (buffer instanceof Uint8Array) {
return buffer;
}
else if (ArrayBuffer.isView(buffer)) {
return new Uint8Array(buffer.buffer, buffer.byteOffset, buffer.byteLength);
}
else if (buffer instanceof ArrayBuffer) {
return new Uint8Array(buffer);
}
else {
// ArrayLike<number>
return Uint8Array.from(buffer);
}
}
function createDataView(buffer) {
if (buffer instanceof ArrayBuffer) {
return new DataView(buffer);
}
var bufferView = ensureUint8Array(buffer);
return new DataView(bufferView.buffer, bufferView.byteOffset, bufferView.byteLength);
}
var DEFAULT_MAX_DEPTH = 100;
var DEFAULT_INITIAL_BUFFER_SIZE = 2048;
var Encoder = /** @class */ (function () {
function Encoder(options) {
var _a, _b, _c, _d, _e, _f, _g, _h;
this.extensionCodec = (_a = options === null || options === void 0 ? void 0 : options.extensionCodec) !== null && _a !== void 0 ? _a : ExtensionCodec.defaultCodec;
this.context = options === null || options === void 0 ? void 0 : options.context; // needs a type assertion because EncoderOptions has no context property when ContextType is undefined
this.useBigInt64 = (_b = options === null || options === void 0 ? void 0 : options.useBigInt64) !== null && _b !== void 0 ? _b : false;
this.maxDepth = (_c = options === null || options === void 0 ? void 0 : options.maxDepth) !== null && _c !== void 0 ? _c : DEFAULT_MAX_DEPTH;
this.initialBufferSize = (_d = options === null || options === void 0 ? void 0 : options.initialBufferSize) !== null && _d !== void 0 ? _d : DEFAULT_INITIAL_BUFFER_SIZE;
this.sortKeys = (_e = options === null || options === void 0 ? void 0 : options.sortKeys) !== null && _e !== void 0 ? _e : false;
this.forceFloat32 = (_f = options === null || options === void 0 ? void 0 : options.forceFloat32) !== null && _f !== void 0 ? _f : false;
this.ignoreUndefined = (_g = options === null || options === void 0 ? void 0 : options.ignoreUndefined) !== null && _g !== void 0 ? _g : false;
this.forceIntegerToFloat = (_h = options === null || options === void 0 ? void 0 : options.forceIntegerToFloat) !== null && _h !== void 0 ? _h : false;
this.pos = 0;
this.view = new DataView(new ArrayBuffer(this.initialBufferSize));
this.bytes = new Uint8Array(this.view.buffer);
}
Encoder.prototype.reinitializeState = function () {
this.pos = 0;
};
/**
* This is almost equivalent to {@link Encoder#encode}, but it returns an reference of the encoder's internal buffer and thus much faster than {@link Encoder#encode}.
*
* @returns Encodes the object and returns a shared reference the encoder's internal buffer.
*/
Encoder.prototype.encodeSharedRef = function (object) {
this.reinitializeState();
this.doEncode(object, 1);
return this.bytes.subarray(0, this.pos);
};
/**
* @returns Encodes the object and returns a copy of the encoder's internal buffer.
*/
Encoder.prototype.encode = function (object) {
this.reinitializeState();
this.doEncode(object, 1);
return this.bytes.slice(0, this.pos);
};
Encoder.prototype.doEncode = function (object, depth) {
if (depth > this.maxDepth) {
throw new Error("Too deep objects in depth ".concat(depth));
}
if (object == null) {
this.encodeNil();
}
else if (typeof object === "boolean") {
this.encodeBoolean(object);
}
else if (typeof object === "number") {
if (!this.forceIntegerToFloat) {
this.encodeNumber(object);
}
else {
this.encodeNumberAsFloat(object);
}
}
else if (typeof object === "string") {
this.encodeString(object);
}
else if (this.useBigInt64 && typeof object === "bigint") {
this.encodeBigInt64(object);
}
else {
this.encodeObject(object, depth);
}
};
Encoder.prototype.ensureBufferSizeToWrite = function (sizeToWrite) {
var requiredSize = this.pos + sizeToWrite;
if (this.view.byteLength < requiredSize) {
this.resizeBuffer(requiredSize * 2);
}
};
Encoder.prototype.resizeBuffer = function (newSize) {
var newBuffer = new ArrayBuffer(newSize);
var newBytes = new Uint8Array(newBuffer);
var newView = new DataView(newBuffer);
newBytes.set(this.bytes);
this.view = newView;
this.bytes = newBytes;
};
Encoder.prototype.encodeNil = function () {
this.writeU8(0xc0);
};
Encoder.prototype.encodeBoolean = function (object) {
if (object === false) {
this.writeU8(0xc2);
}
else {
this.writeU8(0xc3);
}
};
Encoder.prototype.encodeNumber = function (object) {
if (!this.forceIntegerToFloat && Number.isSafeInteger(object)) {
if (object >= 0) {
if (object < 0x80) {
// positive fixint
this.writeU8(object);
}
else if (object < 0x100) {
// uint 8
this.writeU8(0xcc);
this.writeU8(object);
}
else if (object < 0x10000) {
// uint 16
this.writeU8(0xcd);
this.writeU16(object);
}
else if (object < 0x100000000) {
// uint 32
this.writeU8(0xce);
this.writeU32(object);
}
else if (!this.useBigInt64) {
// uint 64
this.writeU8(0xcf);
this.writeU64(object);
}
else {
this.encodeNumberAsFloat(object);
}
}
else {
if (object >= -0x20) {
// negative fixint
this.writeU8(0xe0 | (object + 0x20));
}
else if (object >= -0x80) {
// int 8
this.writeU8(0xd0);
this.writeI8(object);
}
else if (object >= -0x8000) {
// int 16
this.writeU8(0xd1);
this.writeI16(object);
}
else if (object >= -0x80000000) {
// int 32
this.writeU8(0xd2);
this.writeI32(object);
}
else if (!this.useBigInt64) {
// int 64
this.writeU8(0xd3);
this.writeI64(object);
}
else {
this.encodeNumberAsFloat(object);
}
}
}
else {
this.encodeNumberAsFloat(object);
}
};
Encoder.prototype.encodeNumberAsFloat = function (object) {
if (this.forceFloat32) {
// float 32
this.writeU8(0xca);
this.writeF32(object);
}
else {
// float 64
this.writeU8(0xcb);
this.writeF64(object);
}
};
Encoder.prototype.encodeBigInt64 = function (object) {
if (object >= BigInt(0)) {
// uint 64
this.writeU8(0xcf);
this.writeBigUint64(object);
}
else {
// int 64
this.writeU8(0xd3);
this.writeBigInt64(object);
}
};
Encoder.prototype.writeStringHeader = function (byteLength) {
if (byteLength < 32) {
// fixstr
this.writeU8(0xa0 + byteLength);
}
else if (byteLength < 0x100) {
// str 8
this.writeU8(0xd9);
this.writeU8(byteLength);
}
else if (byteLength < 0x10000) {
// str 16
this.writeU8(0xda);
this.writeU16(byteLength);
}
else if (byteLength < 0x100000000) {
// str 32
this.writeU8(0xdb);
this.writeU32(byteLength);
}
else {
throw new Error("Too long string: ".concat(byteLength, " bytes in UTF-8"));
}
};
Encoder.prototype.encodeString = function (object) {
var maxHeaderSize = 1 + 4;
var byteLength = utf8Count(object);
this.ensureBufferSizeToWrite(maxHeaderSize + byteLength);
this.writeStringHeader(byteLength);
utf8Encode(object, this.bytes, this.pos);
this.pos += byteLength;
};
Encoder.prototype.encodeObject = function (object, depth) {
// try to encode objects with custom codec first of non-primitives
var ext = this.extensionCodec.tryToEncode(object, this.context);
if (ext != null) {
this.encodeExtension(ext);
}
else if (Array.isArray(object)) {
this.encodeArray(object, depth);
}
else if (ArrayBuffer.isView(object)) {
this.encodeBinary(object);
}
else if (typeof object === "object") {
this.encodeMap(object, depth);
}
else {
// symbol, function and other special object come here unless extensionCodec handles them.
throw new Error("Unrecognized object: ".concat(Object.prototype.toString.apply(object)));
}
};
Encoder.prototype.encodeBinary = function (object) {
var size = object.byteLength;
if (size < 0x100) {
// bin 8
this.writeU8(0xc4);
this.writeU8(size);
}
else if (size < 0x10000) {
// bin 16
this.writeU8(0xc5);
this.writeU16(size);
}
else if (size < 0x100000000) {
// bin 32
this.writeU8(0xc6);
this.writeU32(size);
}
else {
throw new Error("Too large binary: ".concat(size));
}
var bytes = ensureUint8Array(object);
this.writeU8a(bytes);
};
Encoder.prototype.encodeArray = function (object, depth) {
var size = object.length;
if (size < 16) {
// fixarray
this.writeU8(0x90 + size);
}
else if (size < 0x10000) {
// array 16
this.writeU8(0xdc);
this.writeU16(size);
}
else if (size < 0x100000000) {
// array 32
this.writeU8(0xdd);
this.writeU32(size);
}
else {
throw new Error("Too large array: ".concat(size));
}
for (var _i = 0, object_1 = object; _i < object_1.length; _i++) {
var item = object_1[_i];
this.doEncode(item, depth + 1);
}
};
Encoder.prototype.countWithoutUndefined = function (object, keys) {
var count = 0;
for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
var key = keys_1[_i];
if (object[key] !== undefined) {
count++;
}
}
return count;
};
Encoder.prototype.encodeMap = function (object, depth) {
var keys = Object.keys(object);
if (this.sortKeys) {
keys.sort();
}
var size = this.ignoreUndefined ? this.countWithoutUndefined(object, keys) : keys.length;
if (size < 16) {
// fixmap
this.writeU8(0x80 + size);
}
else if (size < 0x10000) {
// map 16
this.writeU8(0xde);
this.writeU16(size);
}
else if (size < 0x100000000) {
// map 32
this.writeU8(0xdf);
this.writeU32(size);
}
else {
throw new Error("Too large map object: ".concat(size));
}
for (var _i = 0, keys_2 = keys; _i < keys_2.length; _i++) {
var key = keys_2[_i];
var value = object[key];
if (!(this.ignoreUndefined && value === undefined)) {
this.encodeString(key);
this.doEncode(value, depth + 1);
}
}
};
Encoder.prototype.encodeExtension = function (ext) {
var size = ext.data.length;
if (size === 1) {
// fixext 1
this.writeU8(0xd4);
}
else if (size === 2) {
// fixext 2
this.writeU8(0xd5);
}
else if (size === 4) {
// fixext 4
this.writeU8(0xd6);
}
else if (size === 8) {
// fixext 8
this.writeU8(0xd7);
}
else if (size === 16) {
// fixext 16
this.writeU8(0xd8);
}
else if (size < 0x100) {
// ext 8
this.writeU8(0xc7);
this.writeU8(size);
}
else if (size < 0x10000) {
// ext 16
this.writeU8(0xc8);
this.writeU16(size);
}
else if (size < 0x100000000) {
// ext 32
this.writeU8(0xc9);
this.writeU32(size);
}
else {
throw new Error("Too large extension object: ".concat(size));
}
this.writeI8(ext.type);
this.writeU8a(ext.data);
};
Encoder.prototype.writeU8 = function (value) {
this.ensureBufferSizeToWrite(1);
this.view.setUint8(this.pos, value);
this.pos++;
};
Encoder.prototype.writeU8a = function (values) {
var size = values.length;
this.ensureBufferSizeToWrite(size);
this.bytes.set(values, this.pos);
this.pos += size;
};
Encoder.prototype.writeI8 = function (value) {
this.ensureBufferSizeToWrite(1);
this.view.setInt8(this.pos, value);
this.pos++;
};
Encoder.prototype.writeU16 = function (value) {
this.ensureBufferSizeToWrite(2);
this.view.setUint16(this.pos, value);
this.pos += 2;
};
Encoder.prototype.writeI16 = function (value) {
this.ensureBufferSizeToWrite(2);
this.view.setInt16(this.pos, value);
this.pos += 2;
};
Encoder.prototype.writeU32 = function (value) {
this.ensureBufferSizeToWrite(4);
this.view.setUint32(this.pos, value);
this.pos += 4;
};
Encoder.prototype.writeI32 = function (value) {
this.ensureBufferSizeToWrite(4);
this.view.setInt32(this.pos, value);
this.pos += 4;
};
Encoder.prototype.writeF32 = function (value) {
this.ensureBufferSizeToWrite(4);
this.view.setFloat32(this.pos, value);
this.pos += 4;
};
Encoder.prototype.writeF64 = function (value) {
this.ensureBufferSizeToWrite(8);
this.view.setFloat64(this.pos, value);
this.pos += 8;
};
Encoder.prototype.writeU64 = function (value) {
this.ensureBufferSizeToWrite(8);
setUint64(this.view, this.pos, value);
this.pos += 8;
};
Encoder.prototype.writeI64 = function (value) {
this.ensureBufferSizeToWrite(8);
setInt64(this.view, this.pos, value);
this.pos += 8;
};
Encoder.prototype.writeBigUint64 = function (value) {
this.ensureBufferSizeToWrite(8);
this.view.setBigUint64(this.pos, value);
this.pos += 8;
};
Encoder.prototype.writeBigInt64 = function (value) {
this.ensureBufferSizeToWrite(8);
this.view.setBigInt64(this.pos, value);
this.pos += 8;
};
return Encoder;
}());
/**
* It encodes `value` in the MessagePack format and
* returns a byte buffer.
*
* The returned buffer is a slice of a larger `ArrayBuffer`, so you have to use its `#byteOffset` and `#byteLength` in order to convert it to another typed arrays including NodeJS `Buffer`.
*/
function encode(value, options) {
var encoder = new Encoder(options);
return encoder.encodeSharedRef(value);
}
function prettyByte(byte) {
return "".concat(byte < 0 ? "-" : "", "0x").concat(Math.abs(byte).toString(16).padStart(2, "0"));
}
var DEFAULT_MAX_KEY_LENGTH = 16;
var DEFAULT_MAX_LENGTH_PER_KEY = 16;
var CachedKeyDecoder = /** @class */ (function () {
function CachedKeyDecoder(maxKeyLength, maxLengthPerKey) {
if (maxKeyLength === void 0) { maxKeyLength = DEFAULT_MAX_KEY_LENGTH; }
if (maxLengthPerKey === void 0) { maxLengthPerKey = DEFAULT_MAX_LENGTH_PER_KEY; }
this.maxKeyLength = maxKeyLength;
this.maxLengthPerKey = maxLengthPerKey;
this.hit = 0;
this.miss = 0;
// avoid `new Array(N)`, which makes a sparse array,
// because a sparse array is typically slower than a non-sparse array.
this.caches = [];
for (var i = 0; i < this.maxKeyLength; i++) {
this.caches.push([]);
}
}
CachedKeyDecoder.prototype.canBeCached = function (byteLength) {
return byteLength > 0 && byteLength <= this.maxKeyLength;
};
CachedKeyDecoder.prototype.find = function (bytes, inputOffset, byteLength) {
var records = this.caches[byteLength - 1];
FIND_CHUNK: for (var _i = 0, records_1 = records; _i < records_1.length; _i++) {
var record = records_1[_i];
var recordBytes = record.bytes;
for (var j = 0; j < byteLength; j++) {
if (recordBytes[j] !== bytes[inputOffset + j]) {
continue FIND_CHUNK;
}
}
return record.str;
}
return null;
};
CachedKeyDecoder.prototype.store = function (bytes, value) {
var records = this.caches[bytes.length - 1];
var record = { bytes: bytes, str: value };
if (records.length >= this.maxLengthPerKey) {
// `records` are full!
// Set `record` to an arbitrary position.
records[(Math.random() * records.length) | 0] = record;
}
else {
records.push(record);
}
};
CachedKeyDecoder.prototype.decode = function (bytes, inputOffset, byteLength) {
var cachedValue = this.find(bytes, inputOffset, byteLength);
if (cachedValue != null) {
this.hit++;
return cachedValue;
}
this.miss++;
var str = utf8DecodeJs(bytes, inputOffset, byteLength);
// Ensure to copy a slice of bytes because the byte may be NodeJS Buffer and Buffer#slice() returns a reference to its internal ArrayBuffer.
var slicedCopyOfBytes = Uint8Array.prototype.slice.call(bytes, inputOffset, inputOffset + byteLength);
this.store(slicedCopyOfBytes, str);
return str;
};
return CachedKeyDecoder;
}());
var __awaiter = (undefined && undefined.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (undefined && undefined.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __asyncValues = (undefined && undefined.__asyncValues) || function (o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
var __await = (undefined && undefined.__await) || function (v) { return this instanceof __await ? (this.v = v, this) : new __await(v); };
var __asyncGenerator = (undefined && undefined.__asyncGenerator) || function (thisArg, _arguments, generator) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var g = generator.apply(thisArg, _arguments || []), i, q = [];
return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;
function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }
function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }
function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }
function fulfill(value) { resume("next", value); }
function reject(value) { resume("throw", value); }
function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }
};
var STATE_ARRAY = "array";
var STATE_MAP_KEY = "map_key";
var STATE_MAP_VALUE = "map_value";
var isValidMapKeyType = function (key) {
return typeof key === "string" || typeof key === "number";
};
var HEAD_BYTE_REQUIRED = -1;
var EMPTY_VIEW = new DataView(new ArrayBuffer(0));
var EMPTY_BYTES = new Uint8Array(EMPTY_VIEW.buffer);
try {
// IE11: The spec says it should throw RangeError,
// IE11: but in IE11 it throws TypeError.
EMPTY_VIEW.getInt8(0);
}
catch (e) {
if (!(e instanceof RangeError)) {
throw new Error("This module is not supported in the current JavaScript engine because DataView does not throw RangeError on out-of-bounds access");
}
}
var DataViewIndexOutOfBoundsError = RangeError;
var MORE_DATA = new DataViewIndexOutOfBoundsError("Insufficient data");
var sharedCachedKeyDecoder = new CachedKeyDecoder();
var Decoder = /** @class */ (function () {
function Decoder(options) {
var _a, _b, _c, _d, _e, _f, _g;
this.totalPos = 0;
this.pos = 0;
this.view = EMPTY_VIEW;
this.bytes = EMPTY_BYTES;
this.headByte = HEAD_BYTE_REQUIRED;
this.stack = [];
this.extensionCodec = (_a = options === null || options === void 0 ? void 0 : options.extensionCodec) !== null && _a !== void 0 ? _a : ExtensionCodec.defaultCodec;
this.context = options === null || options === void 0 ? void 0 : options.context; // needs a type assertion because EncoderOptions has no context property when ContextType is undefined
this.useBigInt64 = (_b = options === null || options === void 0 ? void 0 : options.useBigInt64) !== null && _b !== void 0 ? _b : false;
this.maxStrLength = (_c = options === null || options === void 0 ? void 0 : options.maxStrLength) !== null && _c !== void 0 ? _c : UINT32_MAX;
this.maxBinLength = (_d = options === null || options === void 0 ? void 0 : options.maxBinLength) !== null && _d !== void 0 ? _d : UINT32_MAX;
this.maxArrayLength = (_e = options === null || options === void 0 ? void 0 : options.maxArrayLength) !== null && _e !== void 0 ? _e : UINT32_MAX;
this.maxMapLength = (_f = options === null || options === void 0 ? void 0 : options.maxMapLength) !== null && _f !== void 0 ? _f : UINT32_MAX;
this.maxExtLength = (_g = options === null || options === void 0 ? void 0 : options.maxExtLength) !== null && _g !== void 0 ? _g : UINT32_MAX;
this.keyDecoder = ((options === null || options === void 0 ? void 0 : options.keyDecoder) !== undefined) ? options.keyDecoder : sharedCachedKeyDecoder;
}
Decoder.prototype.reinitializeState = function () {
this.totalPos = 0;
this.headByte = HEAD_BYTE_REQUIRED;
this.stack.length = 0;
// view, bytes, and pos will be re-initialized in setBuffer()
};