Selects elements from the array while the condition is met but stops the selection process when it reaches an element that fails to satisfy the condition.
To select all elements that meet the condition, use the
Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.
The array of elements.
The condition (or expression) used to match an element in the array.
This example iterates over the elements in the array and selects only those
where the index is
<= 2. Note that it stops selecting elements when it reaches an
element that is greater than 2. It does not select the second 1 because 4
precedes 1 in the array. The function outputs the result into an array.
%dw 2.0 import * from dw::core::Arrays output application/json var arr = [0,1,2,4,1] --- arr takeWhile $ <= 2