jsonschema - How to set one schema for n-1 elements and another for the nth element

Question

For example, look at the schema:

    "type": "array",
    "items":  {
        "oneOf":[
            {"type": "number"},
            {"type": "string"}
        ]
    }
    
}

The schema would then allow a list of numbers and the last element would be a string. and the string can be optional.

For example:

{ "list_of_items" : [ 3, 4, 5, "hello"] } is allowed.

{ "list_of_items" : [ 3, "hello" , 4, 5 ] } Is not allowed because text is only allowed on the last element.

From reading the documentation. I see how to do a constant amount of numbers and a text element. Or all numbers,

But I don't see how to create n-1 numbers and text for the nth.

It could be that is is not something json-schema can do.

Thanks.

Answer 1

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