tardis-dev/dist/instrumentinfo.js

Convenient access to tick-level historical and real-time cryptocurrency market data via Node.js

import { getOptions } from "./options.js";
import { getJSON } from "./handy.js";
export async function getInstrumentInfo(exchange, filterOrSymbol) {
    if (Array.isArray(exchange)) {
        const exchanges = exchange;
        const results = await Promise.all(exchanges.map((e) => getInstrumentInfoForExchange(e, filterOrSymbol)));
        return results.flat();
    }
    else {
        return getInstrumentInfoForExchange(exchange, filterOrSymbol);
    }
}
async function getInstrumentInfoForExchange(exchange, filterOrSymbol) {
    const options = getOptions();
    let url = `${options.endpoint}/instruments/${exchange}`;
    if (typeof filterOrSymbol === 'string') {
        url += `/${encodeURIComponent(filterOrSymbol)}`;
    }
    else if (typeof filterOrSymbol === 'object') {
        url += `?filter=${encodeURIComponent(JSON.stringify(filterOrSymbol))}`;
    }
    try {
        const { data } = await getJSON(url, {
            headers: { Authorization: `Bearer ${options.apiKey}` }
        });
        return data;
    }
    catch (e) {
        // expose 400 error message from server
        if (e.response?.statusCode === 400) {
            let err;
            try {
                err = JSON.parse(e.response.body);
            }
            catch {
                throw e;
            }
            throw err ? new Error(`${err.message} (${err.code})`) : e;
        }
        else {
            throw e;
        }
    }
}
export async function findInstrumentSymbols(exchanges, filter, selector = 'id') {
    if (selector !== 'id' && selector !== 'datasetId') {
        throw new Error("Invalid selector. Supported values are 'id' and 'datasetId'.");
    }
    return await Promise.all(exchanges.map(async (exchange) => {
        const instruments = (await getInstrumentInfoForExchange(exchange, filter));
        return {
            exchange,
            symbols: instruments.map((instrument) => (selector === 'datasetId' ? (instrument.datasetId ?? instrument.id) : instrument.id))
        };
    }));
}
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