Class EngineInvocationError

src/engine.ts:255–284

 * `.message` for user-facing output.
 */
export class EngineInvocationError extends Error {
  readonly engine: string;
  readonly bin: string;
  readonly stderr: string;
  readonly killed: boolean;
  readonly code: number | null;
  readonly signal: NodeJS.Signals | null;
  readonly reason: 'timeout' | 'maxbuffer' | 'exit' | 'spawn';

  constructor(params: {
    engine: string;
    bin: string;
    stderr: string;
    killed: boolean;
    code: number | null;
    signal: NodeJS.Signals | null;
    reason: 'timeout' | 'maxbuffer' | 'exit' | 'spawn';
    message: string;
  }) {
    super(params.message);
    this.name = 'EngineInvocationError';
    this.engine = params.engine;
    this.bin = params.bin;
    this.stderr = params.stderr;
    this.killed = params.killed;
    this.code = params.code;
    this.signal = params.signal;
    this.reason = params.reason;
  }
}

const DEFAULT_TIMEOUT   = 120_000;
const DEFAULT_MAXBUF    = 1024 * 1024;