#flatten

Returns a single array by recursively flattening an array of nested arrays.

#flatten(array)

Category Arrays and sequencesValid in Property value

Parameters

Name	Type	Description
array	path | array	The nested array.

Returns

array

Examples

Flatten nested arrays

source.json

{
    "nested": [ [ 1, [ 2 ] ], 3 ]
}

transformer.json

{
    "result": "#flatten($.nested)"
}

output.json

{
    "result": [ 1, 2, 3 ]
}

Try it in the playground →