react-csv-reader | React component that handles csv file input and its parsing | CSV Processing library
kandi X-RAY | react-csv-reader Summary
kandi X-RAY | react-csv-reader Summary
React component that handles csv file input and its parsing
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react-csv-reader Examples and Code Snippets
import React, { Component } from 'react'
import ReactDOM from 'react-dom'
import CSVReader from 'react-csv-reader'
class App extends Component {
...
render() {
return (
)
}
}
ReactDOM.render(, document.getElementByI
Community Discussions
Trending Discussions on react-csv-reader
QUESTION
I am working on a component that reads a CSV file and sends a request per every line on the file. The process works great but I am trying to show feedback as the lines get successfully posted. The problem is that using the useState hook, the set function gets passed the moment on calling the function and not after each promise has been resolved. So I cannot append to the successful results array, the array keeps getting replaced with the last successful call. The API calls are debounced by one second in order to prevent an overload to the server.
...ANSWER
Answered 2020-Aug-15 at 15:52When your call API function is called, within its closure it captures the state of inserts
. This means, that inserts
is not always up to date. What you end up with is called a "stale closure".
To get around this, the mutation function provided by the useState method can accept a callback function. This callback function can recieve the latest state when calling the function. This is helpful in async operations.
your callApi function will become
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