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Array functions
This page describes the additional set of predefined Jsonnet functions for the Data Transformer Script task available in Application Integration.
Before you begin
To use the following predefined functions, you must import the functions library in your script. Importing the functions library lets you use both the standard Jsonnet functions and the predefined Data Transformer functions.
Application Integration supports Jsonnet functions library v0.20.0. For information about the Jsonnet standard functions, see Jsonnet Standard Library.
Average
Syntax
avg(arr)
Description
Calculates the numerical average of all the values in an array.
Input parameter
arr: The input array.
Return type
DOUBLE
Output
Returns the average of all the values in the array.
Contains
Syntax
contains(arr, elem)
Description
Checks the occurrence of the specified element in an array.
Input parameter
arr: The input array.
elem: The array element to search.
Return type
BOOLEAN
Output
Returns TRUE if a match is found and FALSE otherwise.
Max Array
Syntax
maxArray(arr)
Description
Finds the highest value in an array.
Input parameter
arr: The input array.
Return type
The data type of the input array.
Output
Returns the highest value found in the array.
Min Array
Syntax
minArray(arr)
Description
Finds the lowest value in an array.
Input parameter
arr: The input array.
Return type
The data type of the input array.
Output
Returns the lowest value found in the array.
Remove
Syntax
remove(arr, elem)
Description
Removes the specified element from an array.
Input parameter
arr: The input array.
elem: The array element to remove.
Return type
The data type of the input array.
Output
Returns the updated array after removing the specified element.
Remove At
Syntax
removeAt(arr, index)
Description
Removes an element from an array at the specified index.
Input parameter
arr: The input array.
index: The array index of the element to remove.
Return type
The data type of the input array.
Output
Returns the updated array after removing the specified element.
Sum
Syntax
sum(arr)
Description
Adds all the values in an array.
Input parameter
arr: The input array.
Return type
The data type of the input array.
Output
Returns the sum of all the elements in the array.
GroupBy
Syntax
groupBy(array, function)
Description
Creates an object composed of keys generated from the results of running each element of array through the iteratee function. For example, f.groupBy([1,1.3,1.8],std.floor) would generate {"1": [1,1.3,1.8]}.
Input parameter
array: The collection that the method iterates over.
function: The function that is invoked for every element in the array.
Return type
JSON
Output
Returns the composed aggregate object.
Zip
Syntax
zip([arrays])
Description
It create an array of grouped elements, the first of which contains the first elements of the given arrays, the second of which contains the second element of the given arrays, and so on. For example, f.zip([[1, "one", "I"],[2, "two", "II"],[3, "three", "III"]]) would generate [[1,2,3],["one", "two", "three"],["I", "II", "III"]].
Input parameter
[arrays]: This parameter holds the arrays to process.
Return type
array
Output
Returns the new array of regrouped elements.
Unzip
Syntax
unzip(array)
Description
It creates an array of grouped elements. Accepts an array of grouped elements and also creates an array regrouping the elements to their pre-zip configuration. For example, f.unzip([[1, "one", "I"],[2, "two", "II"],[3, "three", "III"]]) would generate [[1,2,3],["one", "two", "three"],["I", "II", "III"]].
Input parameter
array: This parameter holds the array of grouped elements to process.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-30 UTC."],[],[]]