strogger/dist/types.d.ts

📊 A modern structured logging library with functional programming, duck-typing, and comprehensive third-party integrations

export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3,
    FATAL = 4
}
export interface LogContext {
    requestId?: string;
    userId?: string;
    jobId?: string;
    functionName?: string;
    stage?: string;
    serviceName?: string;
    correlationId?: string;
    traceId?: string;
    spanId?: string;
    parentSpanId?: string;
    sessionId?: string;
    instanceId?: string;
    [key: string]: unknown;
}
export interface LogEntry {
    timestamp: string;
    level: LogLevel;
    message: string;
    context?: LogContext;
    error?: Error | undefined;
    metadata?: Record<string, unknown> | undefined;
}
export interface LoggerConfig {
    level?: LogLevel;
    serviceName?: string | undefined;
    stage?: string | undefined;
    enableStructuredLogging?: boolean;
    includeTimestamp?: boolean;
    includeLogLevel?: boolean;
    customFields?: Record<string, unknown>;
    samplingRate?: number;
    rateLimit?: {
        maxLogsPerSecond: number;
        burstSize: number;
    };
    filter?: (entry: LogEntry) => boolean;
    validate?: ((entry: LogEntry) => void) | undefined;
    redact?: (entry: LogEntry) => LogEntry;
    hooks?: Array<(entry: LogEntry) => void | Promise<void>>;
    batching?: boolean;
    forbiddenKeys?: string[];
    forbiddenKeyAction?: "skip" | "redact";
    instanceId?: string;
}
export interface Transport {
    log(entry: LogEntry): void | Promise<void>;
    setLevel(level: LogLevel): void;
    getLevel(): LogLevel;
    flush?: () => Promise<void>;
    getStats?: () => Record<string, unknown>;
}
export interface Formatter {
    format(entry: LogEntry): string;
}
export interface CloudWatchConfig {
    logGroupName: string;
    logStreamName?: string;
    region?: string;
    credentials?: {
        accessKeyId: string;
        secretAccessKey: string;
    };
}
export interface LoggerOptions {
    config?: LoggerConfig;
    transports?: Transport[];
    formatter?: Formatter;
}
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