app-builder
Create composable promise based middleware pipelines.
npm install app-builder
Example
import { compose } from 'app-builder'
const app = compose([
async function (ctx, next) {
ctx.value += 1
await next()
ctx.value += 4
},
async function (ctx, next) {
ctx.value += 2
await next()
ctx.value += 3
}
]);
const context = { value: '' }
app(context).then(() => console.log(context.value)) // --> '1234'
This module has the following TypeScript definition, containing 2 named exports and default factory export. As well as a Middleware interface definition
declare module 'app-builder' {
export default function createAppBuilder<T>() : AppBuilder<T>
export class AppBuilder<T> {
use(middleware: Middleware<T>): AppBuilder<T>
build(): Middleware<T>
}
export function compose<T> (middleware: Array<Middleware<T>|Array<Middleware<T>>) : Middleware<T>
export interface Middleware<T> {
(context?: T, next?: Middleware<T>): any
}
