Webhooks are a common way for one app to notify of an event, in real-time, to another app. Polling VS WebhooksĪn alternative to polling is webhooks. Today, I’ll be sharing how easy it is to leverage a custom React Hook called useInterval, to poll an API within your application for fresh data (or really run any task that needs intervals).
And we needed a solution that would work for React.
#Hook and real download#
This is exactly the type of solution my team needed to implement - a way to periodically keep checking if the reports (being generated by our separate report service) were done, so they could be displayed in the UI for our users to download once they were. Polling, is one way to accomplish this, and all it is, is simply hitting an API’s endpoint to retrieve any new data at a set interval of time. Sometimes when building web applications, you’re going to need to keep track of data being created or updated asynchronously by another service. Instead, we needed a way to check when the report service was done generating a report, without blocking a user from doing other work in our application while that was going on. And our users have the ability to generate these reports, on demand, from our tool.Īs you may imagine, it can sometimes take several minutes or more to compile this much data, and waiting around looking at a loading animation while our report service crunches numbers in the background wouldn’t be a great user experience. The web application my development team is building at work provides a lot of data to our users, including downloadable Excel spreadsheets that can sometimes contain up to 250,000 rows’ worth of information. Photo by Veri Ivanova on Unsplash Introduction
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