DataWeave 2.0 Deep Dive – Part 1: Map vs MapObject, Filter vs FilterObject, and Pluck
What is DataWeave? Imagine you have data coming in different format— like JSON from a mobile app, XML from banking system, or CSV from Excel sheets and you need to rename, reshape, clean, or convert that data before passing it to another system. That is where DataWeave came into the picture. DataWeave is MuleSoft’s powerful and concise functional programming language used for data transformation and manipulation. It is built to handle a wide range of data formats, including: JSON XML CSV Plain Text Should You Learn DataWeave? In my understanding — A Big yes. If you are working with MuleSoft, learning DWL is not optional it is mandatory. Here is why: most of interview questions in MuleSoft involve DataWeave. It allows you to build smart, efficient, and flexible APIs. It is a must-have skill if you want to become a certified MuleSoft Developer. There are many powerful functions in DataWeave, but we will begin by mastering the most essential ones: map an...