inngest/middleware/logger.d.ts

Official SDK for Inngest.com. Inngest is the reliability layer for modern applications. Inngest combines durable execution, events, and queues into a zero-infra platform with built-in observability.

/**
 * All kinds of arguments can come through
 *
 * Examples seen are
 * - string
 * - object / hash
 * - values used for string interpolation, basically anything
 *
 * See https://linear.app/inngest/issue/INN-1342/flush-logs-on-function-exitreturns for more details
 *
 * @public
 */
export type LogArg = unknown;
/**
 * Based on https://datatracker.ietf.org/doc/html/rfc5424#autoid-11
 * it's pretty reasonable to expect a logger to have the following interfaces
 * available.
 */
export interface Logger {
    info(...args: LogArg[]): void;
    warn(...args: LogArg[]): void;
    error(...args: LogArg[]): void;
    debug(...args: LogArg[]): void;
}
export declare class DefaultLogger implements Logger {
    info(...args: LogArg[]): void;
    warn(...args: LogArg[]): void;
    error(...args: LogArg[]): void;
    debug(...args: LogArg[]): void;
}
/**
 * ProxyLogger aims to provide a thin wrapper on user's provided logger.
 * It's expected to be turned on and off based on the function execution
 * context, so it doesn't result in duplicated logging.
 *
 * And also attempt to allow enough time for the logger to flush all logs.
 *
 * @public
 */
export declare class ProxyLogger implements Logger {
    private readonly logger;
    private enabled;
    constructor(logger: Logger);
    info(...args: LogArg[]): void;
    warn(...args: LogArg[]): void;
    error(...args: LogArg[]): void;
    debug(...args: LogArg[]): void;
    enable(): void;
    disable(): void;
    flush(): Promise<void>;
}
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