stock-nse-india
Version:
This package will help us to get equity/index details and historical data from National Stock Exchange of India.
374 lines • 16.3 kB
JavaScript
"use strict";
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__assign = Object.assign || function(t) {
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s = arguments[i];
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t[p] = s[p];
}
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};
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};
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step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
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if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
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}
op = body.call(thisArg, _);
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NseIndia = exports.ApiList = void 0;
var axios_1 = __importDefault(require("axios"));
var user_agents_1 = __importDefault(require("user-agents"));
var utils_1 = require("./utils");
var ApiList;
(function (ApiList) {
ApiList["GLOSSARY"] = "/api/cmsContent?url=/glossary";
ApiList["HOLIDAY_TRADING"] = "/api/holiday-master?type=trading";
ApiList["HOLIDAY_CLEARING"] = "/api/holiday-master?type=clearing";
ApiList["MARKET_STATUS"] = "/api/marketStatus";
ApiList["MARKET_TURNOVER"] = "/api/market-turnover";
ApiList["ALL_INDICES"] = "/api/allIndices";
ApiList["INDEX_NAMES"] = "/api/index-names";
ApiList["CIRCULARS"] = "/api/circulars";
ApiList["LATEST_CIRCULARS"] = "/api/latest-circular";
ApiList["EQUITY_MASTER"] = "/api/equity-master";
ApiList["MARKET_DATA_PRE_OPEN"] = "/api/market-data-pre-open?key=ALL";
ApiList["MERGED_DAILY_REPORTS_CAPITAL"] = "/api/merged-daily-reports?key=favCapital";
ApiList["MERGED_DAILY_REPORTS_DERIVATIVES"] = "/api/merged-daily-reports?key=favDerivatives";
ApiList["MERGED_DAILY_REPORTS_DEBT"] = "/api/merged-daily-reports?key=favDebt";
})(ApiList = exports.ApiList || (exports.ApiList = {}));
var NseIndia = /** @class */ (function () {
function NseIndia() {
this.baseUrl = 'https://www.nseindia.com';
this.cookieMaxAge = 60; // should be in seconds
this.baseHeaders = {
'Authority': 'www.nseindia.com',
'Referer': 'https://www.nseindia.com/',
'Accept': '*/*',
'Origin': this.baseUrl,
'Accept-Language': 'en-US,en;q=0.9',
'Accept-Encoding': 'application/json, text/plain, */*',
'Connection': 'keep-alive'
};
this.userAgent = '';
this.cookies = '';
this.cookieUsedCount = 0;
this.cookieExpiry = new Date().getTime() + (this.cookieMaxAge * 1000);
this.noOfConnections = 0;
}
NseIndia.prototype.getNseCookies = function () {
return __awaiter(this, void 0, void 0, function () {
var response, setCookies, cookies_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!(this.cookies === '' || this.cookieUsedCount > 10 || this.cookieExpiry <= new Date().getTime())) return [3 /*break*/, 2];
this.userAgent = new user_agents_1.default().toString();
return [4 /*yield*/, axios_1.default.get(this.baseUrl + "/get-quotes/equity?symbol=TCS", {
headers: __assign(__assign({}, this.baseHeaders), { 'User-Agent': this.userAgent })
})];
case 1:
response = _a.sent();
setCookies = response.headers['set-cookie'];
cookies_1 = [];
setCookies.forEach(function (cookie) {
var cookieKeyValue = cookie.split(';')[0];
cookies_1.push(cookieKeyValue);
});
this.cookies = cookies_1.join('; ');
this.cookieUsedCount = 0;
this.cookieExpiry = new Date().getTime() + (this.cookieMaxAge * 1000);
_a.label = 2;
case 2:
this.cookieUsedCount++;
return [2 /*return*/, this.cookies];
}
});
});
};
/**
*
* @param url NSE API's URL
* @returns JSON data from NSE India
*/
NseIndia.prototype.getData = function (url) {
return __awaiter(this, void 0, void 0, function () {
var retries, hasError, response, _a, _b, _c, _d, _e, error_1;
var _f, _g;
return __generator(this, function (_h) {
switch (_h.label) {
case 0:
retries = 0;
hasError = false;
_h.label = 1;
case 1:
if (!(this.noOfConnections >= 5)) return [3 /*break*/, 3];
return [4 /*yield*/, utils_1.sleep(500)];
case 2:
_h.sent();
return [3 /*break*/, 1];
case 3:
this.noOfConnections++;
_h.label = 4;
case 4:
_h.trys.push([4, 7, , 8]);
_b = (_a = axios_1.default).get;
_c = [url];
_f = {};
_d = [__assign({}, this.baseHeaders)];
_g = {};
_e = 'Cookie';
return [4 /*yield*/, this.getNseCookies()];
case 5: return [4 /*yield*/, _b.apply(_a, _c.concat([(_f.headers = __assign.apply(void 0, _d.concat([(_g[_e] = _h.sent(), _g['User-Agent'] = this.userAgent, _g)])),
_f)]))];
case 6:
response = _h.sent();
this.noOfConnections--;
return [2 /*return*/, response.data];
case 7:
error_1 = _h.sent();
hasError = true;
retries++;
this.noOfConnections--;
if (retries >= 10)
throw error_1;
return [3 /*break*/, 8];
case 8:
if (hasError) return [3 /*break*/, 1];
_h.label = 9;
case 9: return [2 /*return*/];
}
});
});
};
/**
*
* @param apiEndpoint
* @returns
*/
NseIndia.prototype.getDataByEndpoint = function (apiEndpoint) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.getData("" + this.baseUrl + apiEndpoint)];
});
});
};
/**
*
* @returns List of NSE equity symbols
*/
NseIndia.prototype.getAllStockSymbols = function () {
return __awaiter(this, void 0, void 0, function () {
var data;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getDataByEndpoint(ApiList.MARKET_DATA_PRE_OPEN)];
case 1:
data = (_a.sent()).data;
return [2 /*return*/, data.map(function (obj) { return obj.metadata.symbol; }).sort()];
}
});
});
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getEquityDetails = function (symbol) {
return this.getDataByEndpoint("/api/quote-equity?symbol=" + encodeURIComponent(symbol.toUpperCase()));
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getEquityTradeInfo = function (symbol) {
return this.getDataByEndpoint("/api/quote-equity?symbol=" + encodeURIComponent(symbol
.toUpperCase()) + "§ion=trade_info");
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getEquityCorporateInfo = function (symbol) {
return this.getDataByEndpoint("/api/top-corp-info?symbol=" + encodeURIComponent(symbol
.toUpperCase()) + "&market=equities");
};
/**
*
* @param symbol
* @param isPreOpenData
* @returns
*/
NseIndia.prototype.getEquityIntradayData = function (symbol, isPreOpenData) {
if (isPreOpenData === void 0) { isPreOpenData = false; }
return __awaiter(this, void 0, void 0, function () {
var details, identifier, url;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getEquityDetails(symbol.toUpperCase())];
case 1:
details = _a.sent();
identifier = details.info.identifier;
url = "/api/chart-databyindex?index=" + identifier;
if (isPreOpenData)
url += '&preopen=true';
return [2 /*return*/, this.getDataByEndpoint(url)];
}
});
});
};
/**
*
* @param symbol
* @param range
* @returns
*/
NseIndia.prototype.getEquityHistoricalData = function (symbol, range) {
return __awaiter(this, void 0, void 0, function () {
var data, activeSeries, dateRanges, promises;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getEquityDetails(symbol.toUpperCase())];
case 1:
data = _a.sent();
activeSeries = data.info.activeSeries.length ? data.info.activeSeries[0] : /* istanbul ignore next */ 'EQ';
if (!range) {
range = { start: new Date(data.metadata.listingDate), end: new Date() };
}
dateRanges = utils_1.getDateRangeChunks(range.start, range.end, 66);
promises = dateRanges.map(function (dateRange) { return __awaiter(_this, void 0, void 0, function () {
var url;
return __generator(this, function (_a) {
url = "/api/historical/cm/equity?symbol=" + encodeURIComponent(symbol.toUpperCase()) +
("&series=[%22" + activeSeries + "%22]&from=" + dateRange.start + "&to=" + dateRange.end);
return [2 /*return*/, this.getDataByEndpoint(url)];
});
}); });
return [2 /*return*/, Promise.all(promises)];
}
});
});
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getEquitySeries = function (symbol) {
return this.getDataByEndpoint("/api/historical/cm/equity/series?symbol=" + encodeURIComponent(symbol
.toUpperCase()));
};
/**
*
* @param index
* @returns
*/
NseIndia.prototype.getEquityStockIndices = function (index) {
return this.getDataByEndpoint("/api/equity-stockIndices?index=" + encodeURIComponent(index.toUpperCase()));
};
/**
*
* @param index
* @param isPreOpenData
* @returns
*/
NseIndia.prototype.getIndexIntradayData = function (index, isPreOpenData) {
if (isPreOpenData === void 0) { isPreOpenData = false; }
var endpoint = "/api/chart-databyindex?index=" + index.toUpperCase() + "&indices=true";
if (isPreOpenData)
endpoint += '&preopen=true';
return this.getDataByEndpoint(endpoint);
};
/**
*
* @param index
* @param range
* @returns
*/
NseIndia.prototype.getIndexHistoricalData = function (index, range) {
return __awaiter(this, void 0, void 0, function () {
var dateRanges, promises;
var _this = this;
return __generator(this, function (_a) {
dateRanges = utils_1.getDateRangeChunks(range.start, range.end, 66);
promises = dateRanges.map(function (dateRange) { return __awaiter(_this, void 0, void 0, function () {
var url;
return __generator(this, function (_a) {
url = "/api/historical/indicesHistory?indexType=" + encodeURIComponent(index.toUpperCase()) +
("&from=" + dateRange.start + "&to=" + dateRange.end);
return [2 /*return*/, this.getDataByEndpoint(url)];
});
}); });
return [2 /*return*/, Promise.all(promises)];
});
});
};
/**
*
* @param indexSymbol
* @returns
*/
NseIndia.prototype.getIndexOptionChain = function (indexSymbol) {
return this.getDataByEndpoint("/api/option-chain-indices?symbol=" + encodeURIComponent(indexSymbol
.toUpperCase()));
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getEquityOptionChain = function (symbol) {
return this.getDataByEndpoint("/api/option-chain-equities?symbol=" + encodeURIComponent(symbol
.toUpperCase()));
};
/**
*
* @param symbol
* @returns
*/
NseIndia.prototype.getCommodityOptionChain = function (symbol) {
return this.getDataByEndpoint("/api/option-chain-com?symbol=" + encodeURIComponent(symbol
.toUpperCase()));
};
return NseIndia;
}());
exports.NseIndia = NseIndia;
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