growwapi/dist/utils/LiveFeed/Parser.js

NodeJS SDK for Groww trading APIs

import { LiveFeedSubscriptionType, Segment } from '../../types';
export function subscriptionSegmentParser(segment) {
    switch (segment) {
        case Segment.CASH:
            return 'eq';
        case Segment.FNO:
            return 'fo';
        default:
            return 'eq';
    }
}
export function subscriptionTypeParser(type) {
    switch (type) {
        case LiveFeedSubscriptionType.Price:
            return 'price';
        case LiveFeedSubscriptionType.Index:
            return 'indices';
        case LiveFeedSubscriptionType.MarketDepth:
            return 'book';
        default:
            throw new Error(`Unknown subscription type: ${type}`);
    }
}
export function liveUpdatesParser(type, subscriptionId) {
    switch (type) {
        case LiveFeedSubscriptionType.FnoOrderUpdates:
            return `stocks_fo/order/updates.apex.${subscriptionId}`;
        case LiveFeedSubscriptionType.FnoPositionUpdates:
            return `stocks_fo/position/updates.apex.${subscriptionId}`;
        case LiveFeedSubscriptionType.EquityOrderUpdates:
            return `stocks/order/updates.apex.${subscriptionId}`;
        default:
            throw new Error(`Unknown subscription type: ${type}`);
    }
}
export function liveIndexParser(type, instruction) {
    const exchange = instruction.exchange?.toLowerCase();
    const token = instruction.exchangeToken;
    const typeString = subscriptionTypeParser(type);
    return `/ld/${typeString}/${exchange}/price.${token}`;
}
export function liveMarketParser(type, instruction) {
    const segment = subscriptionSegmentParser(instruction.segment);
    const exchange = instruction.exchange?.toLowerCase();
    const token = instruction.exchangeToken;
    const typeString = subscriptionTypeParser(type);
    return `/ld/${segment}/${exchange}/${typeString}.${token}`;
}