lib/src/cli/directive/RoutesDirective.ts

import {Directive} from '../Directive'
import {Inject, Injectable} from '../../di'
import {Routing} from '../../service/Routing'
import Table = require('cli-table')

@Injectable()
export class RoutesDirective extends Directive {
    @Inject()
    protected readonly routing!: Routing

    getDescription(): string {
        return 'List routes registered in the application'
    }

    getKeywords(): string | string[] {
        return ['routes']
    }

    async handle(): Promise<void> {
        const maxRouteLength = this.routing.getCompiled().max(route => String(route).length)
        const maxHandlerLength = this.routing.getCompiled().max(route => route.getDisplayableHandler().length)
        const rows = this.routing.getCompiled().map<[string, string]>(route => [String(route), route.getDisplayableHandler()])

        const table = new Table({
            head: ['Route', 'Handler'],
            colWidths: [maxRouteLength + 2, maxHandlerLength + 2],
        })

        table.push(...rows.toArray())

        this.info('\n' + table)
    }
}