NodeJS – How to Parse the FormData into an Array of Objects Using Multiparty NPM Package

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Problem Statement:-

How to parse the form-data into an array of objects using a multiparty npm package

FormData objects are used to capture HTML form and submit it using fetch or another network method. The FormData interface provides a way to easily construct a set of key/value pairs representing form fields and their values, which can then be easily sent using the XMLHttpRequest.send() method. It uses the same format a form would use if the encoding type were set to “multipart/form-data”.

Description of the Issue:-

My client owns an online platform that connects the world’s trusted lawyers for international client needs. As a part of the tasks, the client wanted me to upload all the invoice files into the AWS bucket. While uploading one or more files, the contents of the files should be appended in FormData and sent to the backend. I was able to figure out all these steps. However, I did not know how to parse the FormData that comes from the request URL.

The Solution Offered:-

Upon adequate research and peer assistance, I found the right way to parse the FormData. I used the multiparty npm package. Using this package, FormData can be parsed easily. Moreover, when I used this function – form.parse(req, function() => {}) I was able to receive that fields and files array of objects. 

Referral/ Support links: https://www.npmjs.com/package/multiparty

Technologies or frameworks or tools: – NodeJS

NodeJS is an open-source runtime environment that uses JavaScript to code in front-end and back-end. Moreover, NodeJS uses a V8 engine that compiles JavaScript into native machine code directly, which leads to an increase in speed and efficient execution of the code. NodeJS also has an active community that is huge and includes a network of developers that contribute to several projects and help budding developers who are stuck while working in NodeJS.

Server or OS: – Node Server

Soft Suave is the top web and mobile app development company in India that has the best NodeJS developers in India. The developers are highly-experienced, and their expertise extends to all front-end and back-end technologies. When you hire dedicated NodeJS developers from Soft Suave, you get developers who excel in communication, productivity and ensure client projects are delivered on time. Our developers never compromise on quality and shy away to face complex challenges. Nevertheless, they strive to offer impeccable solutions at an affordable cost.

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