tradingview-api-adapter/dist/QuoteChannel.js

API Adapter for real-time market data as quoted prices and symbol ticker details from Tradingview

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.QuoteChannel = void 0;
const QuoteSessionAdapter_1 = require("./adapters/QuoteSessionAdapter");
class QuoteChannel {
    constructor(quoteSessionBridge, pairGroups, fields = []) {
        this.isChannelActive = false;
        this.pairList = new Set();
        this.$adapter = new QuoteSessionAdapter_1.QuoteSessionAdapter(quoteSessionBridge, true);
        this.pairGroupSerializer(pairGroups);
        this.fieldList = new Set(fields);
        this.resume();
    }
    resume() {
        if (this.isChannelActive)
            return;
        this.isChannelActive = true;
        this.$adapter.setFields(this.fieldList);
        this.$adapter.addPairs(this.pairList);
    }
    pause() {
        if (!this.isChannelActive)
            return;
        this.isChannelActive = false;
        this.$adapter.removePairs(this.pairList);
    }
    addFields(fields) {
        if (typeof fields === 'string') {
            this.fieldList.add(fields);
        }
        else {
            fields.forEach(field => this.fieldList.add(field));
        }
        this.$adapter.setFields(this.fieldList);
    }
    removeFields(fields) {
        if (typeof fields === 'string') {
            this.fieldList.delete(fields);
        }
        else {
            fields.forEach(field => this.fieldList.delete(field));
        }
        this.$adapter.setFields(this.fieldList);
    }
    setFields(fields) {
        this.pause();
        this.fieldList = new Set(fields);
        this.resume();
    }
    listen(callback) {
        this.$adapter.on('shaped_session_data', callback);
    }
    pairGroupSerializer(pairGroups) {
        if (Array.isArray(pairGroups)) {
            this.pairList = new Set(pairGroups);
        }
        else {
            Object.keys(pairGroups).forEach((market) => {
                pairGroups[market].forEach(ticker => {
                    this.pairList.add(`${market.toUpperCase()}:${ticker.toUpperCase()}`);
                });
            });
        }
    }
}
exports.QuoteChannel = QuoteChannel;
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