balena-cli/lib/app-oclif.ts
2020-06-15 23:53:07 +01:00

62 lines
1.7 KiB
TypeScript

/**
* @license
* Copyright 2019 Balena Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Main } from '@oclif/command';
import { trackPromise } from './hooks/prerun/track';
class CustomMain extends Main {
protected _helpOverride(): boolean {
// Disable oclif's default handler for the 'version' command
if (['-v', '--version', 'version'].includes(this.argv[0])) {
return false;
} else {
return super._helpOverride();
}
}
}
type AppOptions = import('./preparser').AppOptions;
/**
* oclif CLI entrypoint
*/
export async function run(command: string[], options: AppOptions) {
const runPromise = CustomMain.run(command).then(
() => {
if (!options.noFlush) {
return require('@oclif/command/flush');
}
},
(error) => {
// oclif sometimes exits with ExitError code 0 (not an error)
// (Avoid `error instanceof ExitError` here for the reasons explained
// in the CONTRIBUTING.md file regarding the `instanceof` operator.)
if (error.oclif?.exit === 0) {
return;
} else {
throw error;
}
},
);
try {
await Promise.all([trackPromise, runPromise]);
} catch (err) {
await (await import('./errors')).handleError(err);
}
}