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errors.d.ts 5.24 KB
/**
 * The Base Error all Sequelize Errors inherit from.
 */
export class BaseError extends Error {
  public name: string;
}

/**
 * Scope Error. Thrown when the sequelize cannot query the specified scope.
 */
export class SequelizeScopeError extends BaseError {}

export class ValidationError extends BaseError {
  /** Array of ValidationErrorItem objects describing the validation errors */
  public readonly  errors: ValidationErrorItem[];

  /**
   * Validation Error. Thrown when the sequelize validation has failed. The error contains an `errors`
   * property, which is an array with 1 or more ValidationErrorItems, one for each validation that failed.
   *
   * @param message Error message
   * @param errors  Array of ValidationErrorItem objects describing the validation errors
   */
  constructor(message: string, errors?: ValidationErrorItem[]);

  /**
   * Gets all validation error items for the path / field specified.
   *
   * @param path The path to be checked for error items
   */
  public get(path: string): ValidationErrorItem[];
}

export class ValidationErrorItem {
  /** An error message */
  public readonly  message: string;

  /** The type of the validation error */
  public readonly  type: string;

  /** The field that triggered the validation error */
  public readonly  path: string;

  /** The value that generated the error */
  public readonly  value: string;

  public readonly original: Error;

  /**
   * Validation Error Item
   * Instances of this class are included in the `ValidationError.errors` property.
   *
   * @param message An error message
   * @param type The type of the validation error
   * @param path The field that triggered the validation error
   * @param value The value that generated the error
   */
  constructor(message?: string, type?: string, path?: string, value?: string);
}

export interface CommonErrorProperties {
  /** The database specific error which triggered this one */
  readonly parent: Error;

  /** The database specific error which triggered this one */
  readonly original: Error;

  /** The SQL that triggered the error */
  readonly sql: string;
}

/**
 * Thrown when a record was not found, Usually used with rejectOnEmpty mode (see message for details)
 */
export class EmptyResultError extends BaseError {
}

export class DatabaseError extends BaseError implements CommonErrorProperties {
  public readonly parent: Error;
  public readonly original: Error;
  public readonly sql: string;
  /**
   * A base class for all database related errors.
   * @param parent The database specific error which triggered this one
   */
  constructor(parent: Error);
}

/** Thrown when a database query times out because of a deadlock */
export class TimeoutError extends DatabaseError {}

export interface UniqueConstraintErrorOptions {
  parent?: Error;
  message?: string;
  errors?: ValidationErrorItem[];
  fields?: { [key: string]: unknown };
  original?: Error;
}

/**
 * Thrown when a unique constraint is violated in the database
 */
export class UniqueConstraintError extends ValidationError implements CommonErrorProperties {
  public readonly parent: Error;
  public readonly original: Error;
  public readonly sql: string;
  public readonly fields: { [key: string]: unknown };
  constructor(options?: UniqueConstraintErrorOptions);
}

/**
 * Thrown when a foreign key constraint is violated in the database
 */
export class ForeignKeyConstraintError extends DatabaseError {
  public table: string;
  public fields: { [field: string]: string };
  public value: unknown;
  public index: string;
  constructor(options: { parent?: Error; message?: string; index?: string; fields?: string[]; table?: string });
}

/**
 * Thrown when an exclusion constraint is violated in the database
 */
export class ExclusionConstraintError extends DatabaseError {
  public constraint: string;
  public fields: { [field: string]: string };
  public table: string;
  constructor(options: { parent?: Error; message?: string; constraint?: string; fields?: string[]; table?: string });
}

/**
 * Thrown when attempting to update a stale model instance
 */
export class OptimisticLockError extends BaseError {
  constructor(options: { message?: string, modelName?: string, values?: { [key: string]: any }, where?: { [key: string]: any } });
}

/**
 * A base class for all connection related errors.
 */
export class ConnectionError extends BaseError {
  public parent: Error;
  public original: Error;
  constructor(parent: Error);
}

/**
 * Thrown when a connection to a database is refused
 */
export class ConnectionRefusedError extends ConnectionError {}

/**
 * Thrown when a connection to a database is refused due to insufficient privileges
 */
export class AccessDeniedError extends ConnectionError {}

/**
 * Thrown when a connection to a database has a hostname that was not found
 */
export class HostNotFoundError extends ConnectionError {}

/**
 * Thrown when a connection to a database has a hostname that was not reachable
 */
export class HostNotReachableError extends ConnectionError {}

/**
 * Thrown when a connection to a database has invalid values for any of the connection parameters
 */
export class InvalidConnectionError extends ConnectionError {}

/**
 * Thrown when a connection to a database times out
 */
export class ConnectionTimedOutError extends ConnectionError {}