@metamask/kernel-errors/dist/constants.mjs

Ocap Kernel errors

import { define, lazy, literal, optional, string, union } from "@metamask/superstruct";
import { JsonStruct, object } from "@metamask/utils";
/**
 * Struct to validate plain {@link Error} objects.
 */
export const ErrorStruct = define('Error', (value) => value instanceof Error);
/**
 * Enum defining all error codes for Ocap errors.
 */
export const ErrorCode = {
    StreamReadError: 'STREAM_READ_ERROR',
    VatAlreadyExists: 'VAT_ALREADY_EXISTS',
    VatDeleted: 'VAT_DELETED',
    VatNotFound: 'VAT_NOT_FOUND',
    SubclusterNotFound: 'SUBCLUSTER_NOT_FOUND',
};
/**
 * A sentinel value used to identify marshaled errors.
 */
export const ErrorSentinel = '@@MARSHALED_ERROR';
const ErrorCodeStruct = union(Object.values(ErrorCode).map((code) => literal(code)));
export const marshaledErrorSchema = {
    [ErrorSentinel]: literal(true),
    message: string(),
    code: optional(ErrorCodeStruct),
    data: optional(JsonStruct),
    stack: optional(string()),
};
/**
 * Struct to validate marshaled errors.
 */
export const MarshaledErrorStruct = object({
    ...marshaledErrorSchema,
    cause: optional(union([string(), lazy(() => MarshaledErrorStruct)])),
});
/**
 * Struct to validate marshaled ocap errors.
 */
export const MarshaledOcapErrorStruct = object({
    ...marshaledErrorSchema,
    code: ErrorCodeStruct,
    data: JsonStruct,
    cause: optional(union([string(), lazy(() => MarshaledErrorStruct)])),
});
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