GraphQL Practice

Repository created to record my practice learning GraphQL with exercises based on the Udemy Course of Andrew Mead and Apollo GraphQL - Fullstack Tutorial.

Table of contents

• Status
• Requirements
• Repo structure
• Setup
• What did I learn
• Other practice repos

Status

• Current repo's version is
• This course has been completed on 26/01/2022 - Certificate

Why it has not any updated dependencies?

After finishing its related Udemy course, I archive this repository and unarchive it when I start a new training and add a link in the Other practice repos section referring to its new repo. But I don't update any associated dependency due to technology changes during the years between each practice, and the produced code which works with the mentioned requirements.

Requirements

• Node v16.13.2 or above
• A relational database (like PostgreSQL or MySQL, for example) (for 3-prisma)
• pgAdmin or any relational database client (for 3-prisma)

Repo structure

• 1-exercises: Exercises related to Andrew's course.
• 2-apollo: Server and Client projects from Apollo's Tutorial to understand an end to end implementation.
• 3-prisma: Prisma learning and integration with a GraphQL server.
• 4-testing: How to create and run unit tests for a GraphQL server

Setup

After cloning the repo, go to the created folder and install the node packages.

git clone https://github.com/NicolasOmar/graphql-practice.git
cd graphql-practice
npm run setup-all

setup-all is the command to install all the projects, but if you want to do it one by one, you can change that last line for one of the following:

App Setup	Command
All	npm run setup-all
Exercises	npm run setup-exercises
Apollo tutorial	npm run setup-apollo
Prisma exercises	npm run setup-prisma
Unit testing	npm run setup-testing

What did I learn?

• Set and run a server using a minimum configuration
  • How to set typeDefs and resolvers
• Understanding of Scalar and Custom Types
• How to make a Query
  • Structure the operator to be called
  • Make calls for deep-level objects
  • Make calls using operators and configure it through a resolver
  • Understanding, and configuration of Relational data through Types
• How to make a Mutation
  • Configure Input Types to improve readability in Mutation operators
• How to make a Subscription
• Structure a good folder structure
  • Creation of a Schema file to hold created Types (Queries, Mutation, Subscriptions, and Custom Types)
  • Split different Resolvers into files by Operation type or Entity
• How to make CRUD operations (CREATE, READ, UPDATE & DELETE) to a SQL-based database using Prisma
  • Understand how to map the database config using prisma db pull && prisma generate
  • How to use its special annotations in the schema.prisma file
  • How to make changes to the database using prisma db push
  • Integrate the tool in a Node/GraphQL server
  • Hash and compare hashed passwords using bcrypt
  • Create JWT and verify tokens using jsonwebtoken
  • Paginate results by using take and skip properties in queries
  • Sort the results by using orderBy and order
• How to create and run unit test cases by using Jest
  • Run an Apollo GraphQL client for plain Javascript with apollo-boost and cross-fetch
  • Create a fake database on the fly using faker
  • Build a site with pure HTML with parcel

Other practice repos

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