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splitWhere

DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

splitWhere(Array<T>, (item: T) -> Boolean): Pair<Array<T>, Array<T>>

Splits an array into two at the first position where 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 to split.

condition

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

Example

Source

%dw 2.0
import * from dw::core::Arrays
output application/json
var users = ["Mariano", "Leandro", "Julian", "Tomo"]
---
users splitWhere (item) -> item startsWith "Jul"

Output

{
  "l": [
    "Mariano",
    "Leandro"
  ],
  "r": [
    "Julian",
    "Tomo"
  ]
}