log-format.util.ts•1.13 kB
/**
* Log Formatting Utilities
*
* Utilities for formatting log messages and metadata
*/
import type { LogMetadata } from "./log.types";
/**
* Format a log message with optional metadata
*
* @param message - The message to format
* @param metadata - Optional metadata to include
* @returns Formatted log message string
*/
export function formatLogMessage(
message: unknown,
metadata?: LogMetadata,
): string {
// Convert message to string based on type
const messageStr =
typeof message === "string"
? message
: typeof message === "object"
? JSON.stringify(message, null, 2)
: String(message);
// Add prefix if present
const prefix = metadata?.prefix ? `[${metadata.prefix}] ` : "";
// Format additional metadata if present
const metadataStr =
metadata && Object.keys(metadata).filter((k) => k !== "prefix").length > 0
? `\n${JSON.stringify(
Object.fromEntries(
Object.entries(metadata).filter(([k]) => k !== "prefix"),
),
null,
2,
)}`
: "";
return `${prefix}${messageStr}${metadataStr}`;
}