Relysjs NPM | npm.io

relysjs

Reactive web app server. Focuses on MPAs with simple server middleware & browser build api. Uses a rebuildjs core with:

ctx-core/be & rmemo

Relysjs uses rmemo to coordinate the build steps & state.

How it works

relysjs is an app server that uses ElysiaJS middleware to create routes. Relysjs includes running the development production app server processes.

handles development & production builds. It uses esbuild under the hood. Providing helper functions to manage coordinate builds.

build.ts

The build config is in app-root/build.ts. It can run the build if it's the entry file & export the build function to be used when starting the dev server. Here is the build.ts file from my site briantakita.me

function	description
`relysjs_server__build`	Run esbuild for the server logic. Includes web page assets generated over SSR.
`relysjs_browser__build`	Run esbuild for asset files served over http. Manages assets generated by `relysjs_server__build` & browser-side javascript logic.

start.ts

Used to start the production web app from the build output in the dist directory. Here is start.ts from briantakita.me.

app directory

The entry files for the middleware server + browser builds. There is a separate esbuild target for each defined index.server.ts & index.browser.ts file.

app/index.ts

Starts the web server with site-wide middleware. Here is app/index.ts from briantakita.me.

app/**/index.server.ts

A relysjs_server__build build target for a middleware. Here is app/index.server.ts from briantakita.me.

app/**/index.browser.ts

A relysjs_browser__build build target for a middleware. Here is app/index.server.ts from briantakita.me.

ctx namespaces (ns)

ctx-core/be organizes server side & build state into namespaces. By default, the state is in the '' namespace. rebuildjs & by extension relysjs stores the state in 4 namespaces:

ns: 'app'
ns: 'middleware'
ns: 'request'
ns: ''

Relevant be functions are in the relysjs/server module.

ctx ns: app

ctx state that lives during the lifetime of the build & the app. It stores:

application info
configuration
application build state

Some important functions include:

function	description
`app_`	Elysia middleware object
`relysjs__ready__wait`	Returns a promise that resolves when the relysjs part of the build is done
`relysjs__ready_`	is true when the relysjs build step is complete

ctx ns: request

ctx state that lives in the lifetime of a HTTP request. It stores request-specific info:

Some of the state includes:

function	description
`elysia_context_`	The ElysiaJS context for the request
`request_`	The Request object
`request_url_`	The Request url
`store_`	The ElysiaJS store object

Name Convention

Relysjs uses the tag vector name system. A terse name system to convey domain ontology as tag vectors.

reactive web app web server bunjs elysia elysiajs esbuild rmemo ctx-core

@stardazed/streams-text-encoding compressible ctx-core elysia esbuild rebuildjs

@everything-registry/sub-chunk-2646

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