enolib/lib/error_types.js

The eno standard library

class EnoError extends Error {
  constructor(text, snippet, selection) {
    super(`${text}\n\n${snippet}`);

    this.selection = selection;
    this.snippet = snippet;
    this.text = text;

    if(Error.captureStackTrace) {
      Error.captureStackTrace(this, EnoError);
    }
  }

  get cursor() {
    return this.selection.from;
  }
}

class ParseError extends EnoError {
  constructor(...args) {
    super(...args);

    if(Error.captureStackTrace) {
      Error.captureStackTrace(this, ParseError);
    }
  }
}

class ValidationError extends EnoError {
  constructor(...args) {
    super(...args);

    if(Error.captureStackTrace) {
      Error.captureStackTrace(this, ValidationError);
    }
  }
}

exports.EnoError = EnoError;
exports.ParseError = ParseError;
exports.ValidationError = ValidationError;