Created
January 13, 2019 11:06
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retrieve simple and easy stock exchange information for nodejs
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const url = "https://query1.finance.yahoo.com/v8/finance/chart/"; | |
const parameter = "?region=US&lang=en-US&includePrePost=false&interval=1m&range=max&corsDomain=finance.yahoo.com&.tsrc=finance" | |
async function downloadPage(url) { | |
return new Promise((resolve, reject) => { | |
request(url, (error, response, body) => { | |
if (error) reject(error); | |
if (response.statusCode != 200) { | |
reject('Invalid status code <' + response.statusCode + '>'); | |
} | |
resolve(body); | |
}); | |
}); | |
} | |
async function getStockInfo(stocksymbol) { | |
try { | |
let scrapeurl = url + stocksymbol + parameter; | |
let body = await downloadPage(scrapeurl); | |
let jsonbody = JSON.parse(body); | |
return jsonbody.chart.result[0].indicators.quote[0].high[jsonbody.chart.result[0].indicators.quote[0].high.length - 1]; | |
} | |
catch (e) { | |
send("debug: error occured: " + e.toString() + " by fetching " + firma); | |
} | |
return result; | |
} |
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