gistfile1.txt

interface Logger {
    log(message: string, context?: Record<string, unknown>): void;
    logError(message: string, context: Record<string, unknown>): void;
}

const thing: Logger = {
    log (message: string, context?: Record<string, unknown>) {
        console.log(message, JSON.stringify(context, null, 4));
    },

    logError (message: string, context?: Record<string, unknown>) {
        console.error(message, JSON.stringify(context, null, 4));
    },
}

thing.logError("unable to make pdf", { file: 'test.pdf', date: 'today', etc: 100 })