bybit-api
Version:
Complete & robust Node.js SDK for Bybit's REST APIs and WebSockets, with TypeScript & strong end to end tests.
125 lines • 3.29 kB
JavaScript
;
/**
* Use type guards to narrow down types with minimal efforts.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.isWsEventV5 = isWsEventV5;
exports.isWsOrderbookEventV5 = isWsOrderbookEventV5;
exports.isWsPositionEventV5 = isWsPositionEventV5;
exports.isWsAccountOrderEventV5 = isWsAccountOrderEventV5;
exports.isWsExecutionEventV5 = isWsExecutionEventV5;
exports.neverGuard = neverGuard;
exports.isWSAPIResponse = isWSAPIResponse;
exports.isTopicSubscriptionSuccess = isTopicSubscriptionSuccess;
exports.isTopicSubscriptionConfirmation = isTopicSubscriptionConfirmation;
exports.isWsAllLiquidationEvent = isWsAllLiquidationEvent;
const ws_api_1 = require("../types/websockets/ws-api");
function isWsEventV5(event) {
if (typeof event !== 'object' ||
!event ||
typeof event['topic'] !== 'string' ||
typeof event['type'] !== 'string') {
return false;
}
return true;
}
/**
* Type guard to detect a V5 orderbook event (delta & snapshots)
*
* @param event
* @returns
*/
function isWsOrderbookEventV5(event) {
if (typeof event !== 'object' ||
!event ||
typeof event['topic'] !== 'string' ||
typeof event['type'] !== 'string') {
return false;
}
return (['delta', 'snapshot'].includes(event['type']) &&
event['topic'].startsWith('orderbook'));
}
/**
* Type guard to detect a V5 position event.
*
* @param event
* @returns
*/
function isWsPositionEventV5(event) {
if (typeof event !== 'object' ||
!event ||
typeof event['topic'] !== 'string') {
return false;
}
return event['topic'] === 'position';
}
/**
* Type guard to detect a V5 order event.
*
* @param event
* @returns
*/
function isWsAccountOrderEventV5(event) {
if (typeof event !== 'object' ||
!event ||
typeof event['topic'] !== 'string') {
return false;
}
return event['topic'] === 'order';
}
/**
* Type guard to detect a V5 execution event.
*
* @param event
* @returns
*/
function isWsExecutionEventV5(event) {
if (typeof event !== 'object' ||
!event ||
typeof event['topic'] !== 'string') {
return false;
}
return event['topic'] === 'execution';
}
function neverGuard(x, msg) {
return new Error(`Unhandled value exception "${x}", ${msg}`);
}
function isWSAPIResponse(msg) {
if (typeof msg !== 'object' || !msg) {
return false;
}
if (typeof msg['op'] !== 'string') {
return false;
}
return ws_api_1.WS_API_Operations.includes(msg['op']);
}
function isTopicSubscriptionSuccess(msg) {
if (!isTopicSubscriptionConfirmation(msg))
return false;
return msg.success === true;
}
function isTopicSubscriptionConfirmation(msg) {
if (typeof msg !== 'object') {
return false;
}
if (!msg) {
return false;
}
if (typeof msg['op'] !== 'string') {
return false;
}
if (msg['op'] !== 'subscribe') {
return false;
}
return true;
}
function isWsAllLiquidationEvent(event) {
if (!isWsEventV5(event)) {
return false;
}
if (event['topic'].startsWith('allLiquidation')) {
return true;
}
return false;
}
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