Functionless (0.22.13): StepFunctions Number()

number-asl.json

{
    "StartAt": "Initialize Functionless Context",
    "States": {
        "Initialize Functionless Context": {
            "Type": "Pass",
            "Parameters": {
                "fnl_context": {
                    "null": null
                },
                "event.$": "$$.Execution.Input"
            },
            "ResultPath": "$",
            "Next": "return Number(event.n)"
        },
        "return Number(event.n)": {
            "Type": "Choice",
            "Choices": [
                {
                    "IsPresent": false,
                    "Variable": "$.event.n",
                    "Next": "null__return Number(event.n)"
                },
                {
                    "And": [
                        {
                            "IsString": true,
                            "Variable": "$.event.n"
                        },
                        {
                            "And": [
                                {
                                    "IsString": true,
                                    "Variable": "$.event.n"
                                },
                                {
                                    "StringEquals": "",
                                    "Variable": "$.event.n"
                                }
                            ]
                        }
                    ],
                    "Next": "zero__return Number(event.n)"
                },
                {
                    "IsNull": true,
                    "Variable": "$.event.n",
                    "Next": "zero__return Number(event.n)"
                },
                {
                    "IsString": true,
                    "Variable": "$.event.n",
                    "Next": "format__return Number(event.n)"
                },
                {
                    "IsNumeric": true,
                    "Variable": "$.event.n",
                    "Next": "assign__return Number(event.n)"
                },
                {
                    "And": [
                        {
                            "IsBoolean": true,
                            "Variable": "$.event.n"
                        },
                        {
                            "BooleanEquals": true,
                            "Variable": "$.event.n"
                        }
                    ],
                    "Next": "one__return Number(event.n)"
                },
                {
                    "And": [
                        {
                            "IsBoolean": true,
                            "Variable": "$.event.n"
                        },
                        {
                            "BooleanEquals": false,
                            "Variable": "$.event.n"
                        }
                    ],
                    "Next": "zero__return Number(event.n)"
                }
            ],
            "Default": "null__return Number(event.n)"
        },
        "null__return Number(event.n)": {
            "Type": "Pass",
            "Next": "1__return Number(event.n)",
            "ResultPath": "$.heap0.num",
            "InputPath": "$.fnl_context.null"
        },
        "1__return Number(event.n)": {
            "Type": "Pass",
            "End": true,
            "ResultPath": "$",
            "InputPath": "$.heap0.num"
        },
        "zero__return Number(event.n)": {
            "Type": "Pass",
            "Next": "1__return Number(event.n)",
            "ResultPath": "$.heap0.num",
            "Result": 0
        },
        "format__return Number(event.n)": {
            "Type": "Pass",
            "Parameters": {
                "num.$": "States.StringToJson($.event.n)"
            },
            "ResultPath": "$.heap0",
            "Next": "checkStringOutput__return Number(event.n)"
        },
        "checkStringOutput__return Number(event.n)": {
            "Type": "Choice",
            "Choices": [
                {
                    "IsNumeric": true,
                    "Variable": "$.heap0.num",
                    "Next": "1__return Number(event.n)"
                }
            ],
            "Default": "null__return Number(event.n)"
        },
        "assign__return Number(event.n)": {
            "Type": "Pass",
            "Next": "1__return Number(event.n)",
            "ResultPath": "$.heap0.num",
            "InputPath": "$.event.n"
        },
        "one__return Number(event.n)": {
            "Type": "Pass",
            "Next": "1__return Number(event.n)",
            "ResultPath": "$.heap0.num",
            "Result": 1
        }
    }
}