Added stock price fetch + package-lock.json (TheAlgorithms#233)

* Added stock price fetch * Delete package-lock.json Co-authored-by: vinayak <itssvinayak@gmail.com>

Author: ruppysuppy

Web-Programming/StockPrice.js

@@ -0,0 +1,30 @@
+const fetch = require('node-fetch')
+const jsdom = require('jsdom')
+
+// function to get the stock price from the given symbol
+async function getStockPrice (stockSymbol) {
+ // parsing the html page body
+ const url = `https://in.finance.yahoo.com/lookup?s=$${stockSymbol}`
+ const response = await fetch(url)
+ const pageBody = await response.text()
+ const dom = new jsdom.JSDOM(pageBody, 'text/html')
+ // returning the price as a number
+ return parseFloat(dom.window.document.querySelectorAll('td')[2].textContent.replace(/,/g, ''))
+}
+
+async function main () {
+ // Using async await to ensure synchronous behaviour
+ await getStockPrice('GOOGL')
+ .then(response => console.log(`GOOGL stock price: $ ${response}`))
+
+ await getStockPrice('AAPL')
+ .then(response => console.log(`AAPL stock price: $ ${response}`))
+
+ await getStockPrice('MSFT')
+ .then(response => console.log(`MSFT stock price: $ ${response}`))
+
+ await getStockPrice('AMZN')
+ .then(response => console.log(`AMZN stock price: $ ${response}`))
+}
+
+main()

package.json

@@ -8,6 +8,7 @@
  "author": "TheAlgorithms",
  "license": "GPL-3.0",
  "dependencies": {
+ "jsdom": "^16.3.0",
  "node-fetch": "2.6.0"
  },
  "devDependencies": {