/**
 * Copyright (c) 2020 TypeFox GmbH. All rights reserved.
 * Licensed under the GNU Affero General Public License (AGPL).
 * See License-AGPL.txt in the project root for license information.
 */


import { log, LogContext } from './logging';

export class SafePromise {
    public static catchAndLog<T>(p: Promise<T>, logCtx?: LogContext) {
        return SafePromise.catch(p, (err) => {
            if (logCtx) {
                log.error(logCtx, err);
            } else {
                log.error(err);
            }
        });
    };
    public static catch<T>(p: Promise<T>, handler: (err: any) => void): Promise<T> {
        return p.catch((err) => {
            handler(err);
            return {} as T; // Nobody will ever see this value as the Promise already failed. It's just there to please the compiler
        });
    };
}