@condiments/chow-chow

6.0.0 • Public • Published

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Simplify registration of Relish.js messages.

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Lead Maintainer: Robert Hernandez

Introduction

Relish provides "better error message for Hapi.js Joi validation."

However, in large scale applications managing the individual route validate failAction functions custom messages can become tedious. Even though a common object may be defined in the hapi server's route configuration, this only facilitates common messages.

For example, if you need to have a option which is required on one route but optional on another, it is difficult to change the custom message.

Problem Example

    server.route({
        method: 'POST',
        path: '/relish/custom',
        options: {
            validate: {
                payload: {
                    input: Joi.string().min(3).max(10)
                },
                /// this is a bulky statement since it is a function call then a pointer to a function.
                failAction: Relish({
                    messages: {
                        input: 'input is required and must be between 3 and 10 characters in length'
                    }
                }).failAction
            },
            handler: handler
        }
    });

Solution Example

    server.route({
        method: 'POST',
        path: '/example',
        options: {
            validate: {
                payload: {
                    input: Joi.string().min(3).max(10)
                }
            },
            // hapi standard plugin syntax
            plugins: {
                chowChow: {
                    input: 'input is required and must be between 3 and 10 characters in length'
                }
            },
            handler: handler
        }
    });

Getting Started

Installation

npm install @condiments/chow-chow

Bootsrapping in hapi server

const server = new Hapi.Server({
    port: 3000,
    host: 'localhost'
});


const init = async () => {
    await server.register(require('@condiments/chow-chow'));
    // register routes
};

init();

Example Outputs

Example chow-chow

Request

curl http://localhost:3000/example -H "Content-Type: application/json" -d "{\"input\":\"HI\"}"

Response

{
    "statusCode": 400,
    "error": "Bad Request",
    "message": "input is required and must be between 3 and 10 characters in length",
    "validation": {
        "source": "payload",
        "errors": [
            {
                "key": "input",
                "path": "input",
                "message": "input is required and must be between 3 and 10 characters in length",
                "type": "string",
                "constraint": "min"
            }
        ]
    }
}

Default Relish

Request

curl http://localhost:3000/relish/default -H "Content-Type: application/json" -d "{\"input\":\"HI\"}"

Response

{
    "statusCode": 400,
    "error": "Bad Request",
    "message": "\"input\" length must be at least 3 characters long",
    "validation": {
        "source": "payload",
        "errors": [
            {
                "key": "input",
                "path": "input",
                "message": "\"input\" length must be at least 3 characters long",
                "type": "string",
                "constraint": "min"
            }
        ]
    }
}

Custom Relish

Request

curl http://localhost:3000/relish/custom -H "Content-Type: application/json" -d "{\"input\":\"HI\"}"

Response

{
    "statusCode": 400,
    "error": "Bad Request",
    "message": "input is required and must be between 3 and 10 characters in length",
    "validation": {
        "source": "payload",
        "errors": [
            {
                "key": "input",
                "path": "input",
                "message": "input is required and must be between 3 and 10 characters in length",
                "type": "string",
                "constraint": "min"
            }
        ]
    }
}

Native hapi

Request

curl http://localhost:3000/native -H "Content-Type: application/json" -d "{\"input\":\"HI\"}"

Response

{
    "statusCode": 400,
    "error": "Bad Request",
    "message": "Invalid request payload input"
}

Versions

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Version History

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npm i @condiments/chow-chow

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Version

6.0.0

License

ISC

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  • gentleman-turk