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every

DataWeave 2.1 is compatible with Mule 4.1. Standard Support for Mule 4.1 ended on November 2, 2020, and this version of Mule will reach its End of Life on November 2, 2022, when Extended Support ends.

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.

every(Array<T>, (T) -> Boolean): Boolean

Returns true if every element in the list (an array) matches the condition.

The function stops iterating after the first negative evaluation of an element in the array.

Parameters

Name Description

list

The input array.

condition

A condition (or expression) to apply to elements in the input array.

Example

This example applies a variety of expressions to the input arrays and returns true if the expression is true for every item in the input array. The $ references values of the elements.

Source

%dw 2.0
import * from dw::core::Arrays
var arr0 = [] as Array<Number>
output application/json
---
{ "results" : [
     "ok" : [
        [1,1,1] every ($ == 1),
        [1] every ($ == 1)
     ],
     "err" : [
        [1,2,3] every ((log('should stop at 2 ==', $) mod 2) == 1),
        [1,1,0] every ($ == 1),
        [0,1,1,0] every (log('should stop at 0 ==', $) == 1),
        [1,2,3] every ($ == 1),
        arr0 every true,
     ]
   ]
 }

Output

{
   "results": [
     {
       "ok": [ true, true ]
     },
     {
       "err": [ false, false, false, false, false ]
     }
   ]
 }