GraphQL Liftoff

graphql-liftoff is a GraphQL schema type generator. It takes in an existing data model and maps it to type definitions by using a domain specific parser. This reduces the amount of work needed to migrate existing REST APIs to GraphQL.

CLI Demo

demo YAML source

Roadmap

Quick start

# CLI utility
npm install -g git+https://github.com/target/graphql-liftoff.git
yarn global add git+https://github.com/target/graphql-liftoff.git

# npm package
npm install git+https://github.com/target/graphql-liftoff.git
yarn add git+https://github.com/target/graphql-liftoff.git

# development
Fork this repo
git clone https://github.com/YourName/graphql-liftoff.git
cd graphql-liftoff
npm install or yarn

# scripts
build        # run typescript compiler
watch        # watch on file changes - then run typescript compiler
start <args> # run graphql-liftoff CLI locally
             # NOTE: npm strips out flags like -y or --yaml
             # yarn works as intended.
             # you can still manually run the commands:
             # node ./build/bin/cli.js <args>
lint         # run tslint
test         # run jest and generate coverage files
test:watch   # watch on file chages - then run jest
coverage     # open html coverage in browser (MacOS only)

Module Usage

graphql-liftoff exports an async generateSchema function, which returns a stringified Graphql Schema

await generateSchema('swagger', {'yaml': true, data: './example-swagger.yaml'}).then(schema => {
    console.log(schema)
}).catch(err => {
    console.error(err)
})

Bugs and Feature Requests

Found something that doesn't seem right or have a feature request? First, checkout our contribution guidelines, then open a new issue.

Contributors

A huge shoutout to all contributors and supporters of this project. THANK YOU!

Copyright and License

Copyright (c) 2017 Target Brands, Inc.

License

target/graphql-liftoff

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