JsonTransform

Transforms JSON to JSON using JSON

Installation

1. Clone the repository to your local machine.
2. Navigate to the repository folder, and execute npm install -g ./ (You may need to use sudo.)
   
3. Now you have the commandline tool jstr on your PATH.
4. Type jstr --help for usage information.

Examples

The Basics

data.json

{"key": "value", "arr": []}

jstr -f data.json -t "$.key" => "value"
jstr -f data.json -t "$.arr" => []

data.json

{"key": "value", "arr": []}

template.json

{"newKey": "$.key"}

jstr -f data.json -tf template.json => {"newKey":"value"}

Full Example

data.json

{
        "minorVersion": 1
        "status": "success",
        "pizzasOrdered": [
        {
            "name": "Pepperoni",
            "price": 8,
            "toppings": [
                {"name":"pepperoni"},
                {"name":"cheese", "vegetarian": true}
            ]
        },
        {
            "name": "Cheese",
            "price": 5,
            "toppings": [
                {"name":"cheese", "vegetarian":true}
            ]
        }
    ],

}

template.json

{
    "apiVersion": ["literal", 2, 10, ".minorVersion"]
    ".status": true,
    "pizzas": [
        "foreach", ".pizzasOrdered", "$pizza",{
            "name": "$pizza.name",
            "cost": "$pizza.price",
            "toppings": "$pizza.toppings[].name"
        }
    ]

}

jstr -f data.json -tf template.json

result

{
    "apiVersion": [2, 10, 1],
    "success": true,
    "pizzas": [
        {
            "name": "Pepperoni",
            "cost": 8,
            "toppings": ["pepperoni", "cheese"]
        },
        {
            "name": "Cheese",
            "cost": 8,
            "toppings": ["cheese"]
        }
    ]
}