nepse-api-helper/dist/index.js

a wrapper to use nepse api easily since they set up weird restrictions

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.nepseClient = void 0;
exports.createInitialState = createInitialState;
exports.initialize = initialize;
exports.getMarketStatus = getMarketStatus;
exports.getSecurities = getSecurities;
exports.getSecurityDetail = getSecurityDetail;
exports.getToken = getToken;
exports.getNepseIndex = getNepseIndex;
const auth_1 = require("./auth");
const errors_1 = require("./errors");
const http_1 = require("./http");
const security_1 = require("./security");
const wasm_1 = require("./wasm");
function createInitialState() {
    return {
        wasmExports: null,
        token: {
            value: null,
            expiry: 0
        },
        caches: {
            securityBriefs: {}
        },
        isInitialized: false
    };
}
let globalState = createInitialState();
function initializationGuard() {
    if (!globalState.isInitialized) {
        throw (0, errors_1.createNepseError)('Library not initialized. Call initialize() first', 'NOT_INITIALIZED');
    }
}
async function initialize() {
    if (globalState.isInitialized) {
        return;
    }
    // Load WASM module
    const wasmExports = await (0, wasm_1.loadWasmModule)();
    // Update global state
    globalState = {
        ...globalState,
        wasmExports,
        isInitialized: true,
    };
    // Pre-fetch security briefs
    const [newState] = await (0, security_1.fetchSecurityBriefs)(globalState);
    globalState = newState;
}
async function getMarketStatus() {
    initializationGuard();
    const [newState, marketStatus] = await (0, security_1.fetchMarketStatus)(globalState);
    globalState = newState;
    return marketStatus;
}
async function getSecurities() {
    initializationGuard();
    const [newState, securities] = await (0, security_1.fetchSecurityBriefs)(globalState);
    globalState = newState;
    return securities;
}
async function getSecurityDetail(symbol) {
    initializationGuard();
    const [newState, securityDetail] = await (0, security_1.fetchSecurityDetail)(globalState, symbol);
    globalState = newState;
    return securityDetail;
}
async function getToken() {
    initializationGuard();
    const [newState, token] = await (0, auth_1.getAccessToken)(globalState);
    globalState = newState;
    return token;
}
async function getNepseIndex() {
    initializationGuard();
    const [newState, indexes] = await (0, security_1.fetchNepseIndex)(globalState);
    globalState = newState;
    return indexes;
}
exports.nepseClient = {
    initialize,
    getMarketStatus,
    getSecurities,
    getSecurityDetail,
    getNepseIndex,
    getToken,
    createHeaders: http_1.createHeaders
};