@nlighten/json-transform-core/dist/functions/examples/isnull.json

Core types and utilities for handling JSON transformers

[
    {
        "name": "Null test",
        "given": {
            "input": null,
            "definition": "$$isnull:$"
        },
        "expect": {
            "equal": true
        }
    },
    {
        "name": "Undefined test",
        "given": {
            "definition": "$$isnull:$"
        },
        "expect": {
            "equal": true
        }
    },
    {
        "name": "Zero test",
        "given": {
            "input": 0,
            "definition": "$$isnull():$"
        },
        "expect": {
            "equal": false
        }
    },
    {
        "name": "Empty string test",
        "given": {
            "input": "",
            "definition": "$$isnull:$"
        },
        "expect": {
            "equal": false
        }
    },
    {
        "name": "False test",
        "given": {
            "input": false,
            "definition": "$$isnull:$"
        },
        "expect": {
            "equal": false
        }
    }
]