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Client code documentation

The client is a HTML/CSS/JavaScript web application (single page application -> SPA) developed with TypeScript/Angular.

Technologies

TypeScript -> Language
Angular -> JavaScript framework
SASS -> CSS framework
Webpack -> Source builder (compile TypeScript, SASS files, bundle them...)
Bootstrap -> CSS framework
WebTorrent -> JavaScript library to make P2P in the browser
VideoJS -> JavaScript player framework

Files

The client files are in the client directory. The Webpack 2 configurations files are in client/config and the source files in client/src. The client modules description are in the client/package.json. There are many modules that are used to compile the web application in development or production mode. Here is the description of the useful client files directory:

tslint.json   -> TypeScript linter rules
tsconfig.json -> TypeScript configuration for the compilation
.bootstraprc  -> Bootstrap configuration file (which module we need)
config        -> Webpack configuration files
src
|__ app          -> TypeScript files for Angular application
|__ assets       -> static files (images...)
|__ sass         -> SASS files that are global for the application
|__ standalone   -> files outside the Angular application (embed HTML page...)
|__ index.html   -> root HTML file for our Angular application
|__ main.ts      -> Main TypeScript file that boostraps our Angular application
|__ polyfills.ts -> Polyfills imports (ES 2015...)
|__ vendor.ts    -> Vendor imports (Angular, Bootstrap...)

Details of the Angular application file structure. It tries to follow the official Angular styleguide.

app
|__ account                      -> Account components (password change...)
|__ admin                        -> Admin components (friends, users...)
|__ core                         -> Core components/services
|__ login                        -> Login component
|__ shared                       -> Shared components/services (search component, REST services...)
|__ videos                       -> Video components (list, watch, upload...)
|__ app.component.{html,scss,ts} -> Main application component
|__ app.module.ts                -> Angular root module that imports all submodules we need

Conventions

Uses TSLint for TypeScript linting and Angular styleguide.

Developing

Install the dependencies
Run yarn install at the root directory to install all the dependencies
Run PostgreSQL and create the database peertube_dev.
Run npm run dev:client to compile the client, run the server, watch client files modifications and reload modules on the fly (you don't need to refresh manually the web browser). The API listen on localhost:9000 and the client on localhost:3000.

In a Angular application, we create components that we put together. Each component is defined by an HTML structure, a TypeScript file and optionnaly a SASS file. If you are not familiar with Angular I recommend you to read the quickstart guide.

Components tree

Newcomers

The main client component is app.component.ts. You can begin to look at this file. Then you could navigate in the different submodules to see how components are built.

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