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

Core types and utilities for handling JSON transformers

[
    {
        "name": "inline (at 0)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": "$$at(0):$"
        },
        "expect": {
            "equal": 4
        }
    },
    {
        "name": "inline (at 1)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": "$$at(1):$"
        },
        "expect": {
            "equal": 2
        }
    },
    {
        "name": "inline (at -1)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": "$$at(-1):$"
        },
        "expect": {
            "equal": 13
        }
    },
    {
        "name": "inline (at 3 - out of bounds)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": "$$at(3):$"
        },
        "expect": {
            "isNull": true
        }
    },
    {
        "name": "inline (no args)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": "$$at:$"
        },
        "expect": {
            "isNull": true
        }
    },
    {
        "name": "object (index=0)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": {
                "$$at": "$",
                "index": 0
            }
        },
        "expect": {
            "equal": 4
        }
    },
    {
        "name": "object (index=1)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": {
                "$$at": "$",
                "index": 1
            }
        },
        "expect": {
            "equal": 2
        }
    },
    {
        "name": "object (index=-1)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": {
                "$$at": "$",
                "index": -1
            }
        },
        "expect": {
            "equal": 13
        }
    },
    {
        "name": "object (index=3, out of bounds)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": {
                "$$at": "$",
                "index": 3
            }
        },
        "expect": {
            "isNull": true
        }
    },
    {
        "name": "object (no index)",
        "given": {
            "input": [
                4,
                2,
                13
            ],
            "definition": {
                "$$at": "$"
            }
        },
        "expect": {
            "isNull": true
        }
    }
]