json_merger-loader

json_merger loader for webpack. Merge JSON with indicators such as @override, @match, @delete and @insert to tell the processor how to merge the files

installation

npm install json_merger-loader --save-dev

Usage

Take a look on usage of json_merger module here https://www.npmjs.com/package/json_merger

main.json:

{
    "@extends": [
        "fileA.json",
        "fileB.json"
    ]
}

fileA.json:

{
    "prop1": {
        "prop_a": "this will override fileB.json's property prop1"
    },
    "prop2": {
        "prop_a": "some value"
    },
    "arr": [
        {
            "prop1": "value1"
        }
    ]
}

fileB.json:

{
    "prop3": {
        "prop_b": "never gonna be seen"
    },
    "prop4": {
        "prop_b": "some other value"
    },
    "arr": [
        {
            "@append": true,
            "prop2": "value2"
        }
    ]
}

Result:

{
    "prop1": {
        "prop_a": "value1"
    },
    "prop2": {
        "prop_a": "value2"
    },
    "arr": [
        {
            "prop1": "arr value1"
        },
        {
            "prop2": "arr value2"
        }
    ],
    "prop3": {
        "prop_b": "value3"
    },
    "prop4": {
        "prop_b": "value4"
    }
}

Example config

module.exports = {
    module: {
        loaders: [
            {
                test: /\.json$/,
                loaders: ['json', 'json_merger']
            }
        ]
    }
};

License

MIT - Copyright (c) 2016 Igor Kopach