#isString

Returns true if the value is a string.

#isString(value)

Category Types and conversionValid in Property value

Parameters

Name	Type	Description
value	path | value	The value to test.

Returns

boolean

Examples

String or not

source.json

{
    "a": "5",
    "b": 5
}

transformer.json

{
    "a": "#isString($.a)",
    "b": "#isString($.b)"
}

output.json

{
    "a": true,
    "b": false
}

Try it in the playground →

Related

#toString