share-price

NPM library to get realtime Share / Stock Price from Yahoo Finance Website. This library uses axios under the hood to make HTTP Call to Yahoo Finance.

Functions

• Function getSharePrice(config, callbackFunction(sharePrice, error))
• Function getStockSymbol(config, callbackFunction(sharePrice, error))

Function getSharePrice(config, callbackFunction(sharePrice, error))

This function is used to retrieve the Share Price of a given Stock Symbol. stockSymbol is a mandatory property for config parameter of getSharePrice(config, callbackFunction(sharePrice, error)) function. You must pass valid values for the 2 config properties, otherwise the library function will retun error. If you are not sure of the exact stockSymbol for a Company, you can use the getStockSymbol() function to search it. You can optionally use any of the axios request config along with stockName and exchageCode

If you are using the library behind a coporate proxy please refer axios request config properties link on how to set your proxy settings.

Returns

• A number sharePrice decimal value or error

Example

var sharePrice = require("share-price");
//Using a Promise.
sharePrice.getSharePrice({ stockSymbol: "AAPL" }).then(function(stockPrice) {
    console.log(stockPrice);
}).catch((error) => {
    console.log(error);
});

//Using a callback function.
sharePrice.getSharePrice({ stockSymbol: "AAPL" }, function(stockPrice, error) {
    if (error) {
        console.error(error);
    } else {
        console.log(stockPrice);
    }
});

Function getStockSymbol(config, callbackFunction(stockSymbolResult, error))

This function is used to search for Stock Symbols for a given Stock Name String. stockName is a mandatory property for config parameter of getStockSymbol(config, callbackFunction(stockSymbolResult, error)) function. . You must pass valid value for the config property, otherwise the library function will retun error. Optionally you can send another config property list as boolean value true or false. When list: true is sent, the function returns an array of matching Stock Symbols along with Full Company and Stock Exchange Names. You can optionally use any of the axios request config along with stockName and exchageCode

If you are using the library behind a coporate proxy please refer axios request config properties link on how to set your proxy settings.

Returns

• A string stockSymbolResult containing only the best matched Stock symbol name if list config is not sent as true or error
• An array stockSymbolResult containing a list of matching Stock symbol names along with Full Company and Stock Exchange Names if list config is not sent as true or error

Example

var sharePrice = require("share-price");
//Using a Promise retrieve list.
sharePrice.getStockSymbol({ stockName: "Apple Inc", list: true }).then(function(stockSymbolResult) {
    console.log(stockSymbolResult);
}).catch((error) => {
    console.log(error);
});

//Using a callback function rerieve best match.
sharePrice.getStockSymbol({ stockName: "Apple Inc" }, function(stockSymbolResult, error) {
    if (error) {
        console.error(error);
    } else {
        console.log(stockSymbolResult);
    }
});