#takeWhile

Returns the leading elements of an array that satisfy a condition.

#takeWhile(array, @x: predicate)

Category Arrays and sequencesValid in Property value

Parameters

Name	Type	Description
array	path | array	The source array.
predicate	lambda	Returns true to keep taking.

Returns

array

Examples

Take until a large value

source.json

{
    "numbers": [ 1, 2, 6, 3 ]
}

transformer.json

{
    "result": "#takeWhile($.numbers, @x: @x < 5)"
}

output.json

{
    "result": [ 1, 2 ]
}

Try it in the playground →

Related

#skipWhile · #take · #where