Aws Mobile Appsync Chat Starter Angular
GraphQL starter progressive web application (PWA) with Realtime and Offline functionality using AWS AppSync
Overview
ChatQL is an AWS AppSync Chat Starter App implemented in Angular that showcases real-time capabilities in a chat application using GraphQL Mutations, Queries, and Subscriptions. It leverages technologies like Service Workers to create a Progressive Web Application (PWA) that functions similar to a mobile app.
Features
- PWA: Utilizes Service Workers to combine web and mobile app functionalities.
- GraphQL Mutations: Allows for creating users, conversations, linking them, and posting messages.
- GraphQL Queries: Enables fetching users, messages in a conversation, and user-related conversations.
- GraphQL Subscriptions: Provides real-time updates for new messages in conversations.
- Authentication: Integrates Cognito User Pools for onboarding and authenticating users.
- Authorization: Uses JWT Tokens from Cognito User Pools for authorization.
Prerequisites
- AWS Account with permissions for resource creation
- NodeJS with NPM
- AWS CLI
- AWS Amplify CLI
- Angular CLI
Backend Setup
- Angular
Angular is a TypeScript-based open-source framework by Google for building dynamic single-page applications and cross-platform mobile apps with MVC architecture and a rich set of features.
- Graphql
A website that uses GraphQL as a query language to manage data fetching and state management. This includes features such as a strongly typed schema, client-side caching, and declarative data fetching to streamline data management and optimize website performance.
- Typescript
TypeScript is a superset of JavaScript, providing optional static typing, classes, interfaces, and other features that help developers write more maintainable and scalable code. TypeScript's static typing system can catch errors at compile-time, making it easier to build and maintain large applications.
