Elm is a functional programming language for creating web applications. Elm is commonly known for its static type checking abilities and Elm architecture (out of many other amazing things) which is a simple pattern for architecting webapps.

GraphQL is a query language spec for APIs defined by Facebook. It has changed the dynamics of front-end development with an array of powerful features. One such feature is declarative data fetching where you define what you would like to fetch and server responds with the data in the same format it is requested.

In this talk, we will look at

  1. Sneak peek into Elm Type System
  2. What is GraphQL and benefits of it over other data fetching methods.
  3. Demo on how to write queries without custom DSL
  4. Writing types to make the above process little neat and fun

Outline/Structure of the Talk

  • Introduction to Elm
    • What is Elm?
    • Elm Architecture
    • Demo
    • Sneak peek into Elm Types
  • GraphQL
    • What is GraphQL?
    • Anatomy of a query
    • Sneak peek into the features and comparison with REST
  • Setting up a GraphQL server and writing our first GraphQL query in Elm
  • Bringing the data into Elm Types
  • Writing a custom DSL to make the above process smoother

Learning Outcome

By the end of the talk, you will:

  • Know Elm and be able to build web applications using it
  • Have better understanding of Elm type system and how to write your own custom DSL to query GraphQL
  • Be in a position to evaluate GraphQL and/or Elm for your next project

Target Audience

Folks who are exploring GraphQL and how it can be used with Elm

Prerequisites for Attendees

A basic understanding of elm type system would be plus - https://guide.elm-lang.org/types/

schedule Submitted 1 year ago

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