GraphQL @default directive

GraphQL directive for applying default values to nullable fields

type Query {
    valueString: String! @default(value: "default value") # will return "default value"
    valueBoolean: Boolean! @default(value: "true") # will return true
    valueInt: Int! @default(value: "0") # will return 0
    valueArray: [String]! @default(value: "[]") # will return empty array
    valueObject: [ObjectType]! @default(value: "{}") # will return empty object
}

Installation

npm i @codexteam/graphql-directive-default

# OR via yarn

yarn add @codexteam/graphql-directive-default

How to use

1. Import lib

import createDirectiveDefault from '@codexteam/graphql-directive-default';

2. Add directive to schemaTransforms

const schema = makeExecutableSchema({
    typeDefs,
    resolvers,
    schemaTransforms: [
        createDirectiveDefault().schemaTransformer,
    ],
});

3. Add directive definitions to GraphQL types

directive @default(value: String!) on FIELD_DEFINITION

4. Now you can add directive to your field definition

type Query {
    valueString: String! @default(value: "default value") # will return "default value"
    valueBoolean: Boolean! @default(value: "true") # will return true
    valueInt: Int! @default(value: "0") # will return 0
    valueArray: [String]! @default(value: "[]") # will return empty array
    valueObject: [ObjectType]! @default(value: "{}") # will return empty object
}

Contributing Guide

Feel free to open new issues and submit Pull Requests

About team

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Feel free to contact: [email protected]

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