Contact Free trial Login

takeWhile

takeWhile(Array<T>, (item: T) -> Boolean): Array<T>

Selects elements from the array while the condition is met.

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.

Parameters

Name Description

array

The array of elements.

condition

The condition (or expression) used to match an element in the array.

Example

This example iterates over the elements in the array and selects only those where in index is <= 2. It outputs the result into an array.

Source

%dw 2.0
import * from dw::core::Arrays
output application/json
var arr = [0,1,2,3,4,5,1]
---
arr takeWhile $ <= 2

Output

[
  0,
  1,
  2
]

We use cookies to make interactions with our websites and services easy and meaningful, to better understand how they are used and to tailor advertising. You can read more and make your cookie choices here. By continuing to use this site you are giving us your consent to do this.