/**
 * Thrown when a CSS selector string cannot be parsed.
 */
export class InvalidSelectorError extends Error {
  /**
   * @param message - Human-readable parse failure description
   */
  constructor(message: string) {
    super(message);
    this.name = 'InvalidSelectorError';
  }
}

/**
 * Thrown when a parsed CSS selector uses unsupported features or unknown attributes.
 */
export class UnsupportedSelectorError extends Error {
  /**
   * @param message - Human-readable unsupported-feature description
   */
  constructor(message: string) {
    super(message);
    this.name = 'UnsupportedSelectorError';
  }
}

/**
 * Thrown when strategy routing fails to select a registered emitter.
 */
export class UnresolvedStrategyError extends Error {
  /**
   * @param message - Human-readable strategy resolution failure description
   */
  constructor(message: string) {
    super(message);
    this.name = 'UnresolvedStrategyError';
  }
}