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lib/src/cli/directive/RunDirective.ts

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2021-06-01 20:59:40 -05:00
import {Directive} from "../Directive"
import {CommandLineApplication} from "../service"
import {Injectable} from "../../di"
import {ErrorWithContext} from "../../util"
import {Unit} from "../../lifecycle/Unit";
/**
* A directive that starts the framework's final target normally.
* In most cases, this runs the HTTP server, which would have been replaced
* by the CommandLineApplication unit.
*/
@Injectable()
export class RunDirective extends Directive {
getDescription(): string {
return 'run the application normally'
}
getKeywords(): string | string[] {
return ['run', 'up']
}
async handle(): Promise<void> {
if ( !CommandLineApplication.getReplacement() ) {
throw new ErrorWithContext(`Cannot run application: no run target specified.`)
}
const unit = <Unit> this.make(CommandLineApplication.getReplacement())
await this.app().startUnit(unit)
await this.app().stopUnit(unit)
}
}