I see there have been other posts related to this topic, but I can't seem to find a solution that helps my situation. I have two asynchronous functions. One is returning a value that is to be used in the other function. For some reason, the value being used is being read in as an empty variable. I don't know how else to make this work, but any perspective would be appreciated.
Code
var stockSymbol = [];
async function read_fortune_500() {
try {
const { data } = await axios({ method: "GET", url: "https://en.wikipedia.org/wiki/List_of_S%26P_500_companies", })
const $ = cheerio.load(data)
const elemSelector = '#constituents > tbody > tr > td:nth-child(1)'
$(elemSelector).each((parentIndex, parentElem) => {
if (parentIndex <= 9){
$(parentElem).children().each((childIndex, childElem) => {
const tdValue = $(childElem).text()
if (tdValue) {
stockSymbol = tdValue
}
})
console.log(stockSymbol)
}
})
} catch (err) {
console.error(err)
}
return stockSymbol;
}
async function collect_stocks(stockSymbol) {
stockSymbol = read_fortune_500()
const stockResult = await yahooStockPrices.getCurrentData(stockSymbol);
console.log(stockResult);
}
collect_stocks(stockSymbol)
Error
TypeError: Cannot read properties of undefined (reading 'split')
If I run the first function, I am able to get values logged to the console, so I know values are there, but I'm not sure where I'm going wrong passing it in to the second function.
You defined read_fortune_500 as an async function, so it returns a promise. You probably meant to await it in collect_stocks.
async function collect_stocks(stockSymbol) {
stockSymbol = await read_fortune_500()
const stockResult = await yahooStockPrices.getCurrentData(stockSymbol);
console.log(stockResult);
}