#isEmpty

Returns true if the value is an array or string with no contents, false otherwise.

#isEmpty(value)

Category Types and conversionValid in Property value

Parameters

Name	Type	Description
value	path | array | string	The array or string to test.

Returns

boolean

Examples

Empty array and string

source.json

{
    "items": [],
    "text": "x"
}

transformer.json

{
    "items": "#isEmpty($.items)",
    "text": "#isEmpty($.text)"
}

output.json

{
    "items": true,
    "text": false
}

Try it in the playground →

Related

#any · #length