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ecs-logs-js

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Simple Node.js console logger that outputs human friendly and ecs-logs compatible messages

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declare const LEVELS_MAP: { emerg: number; alert: number; crit: number; error: number; warn: number; notice: number; info: number; debug: number; }; /** Available log levels. */ export type LEVEL = keyof typeof LEVELS_MAP; /** Options that can be passed to the Logger constructor. */ export interface LoggerOptions { /** * Sets the maximum log level that will be output. By setting this option to 'info', it can be used to disable debug logs in production. * @default 'debug' */ level?: LEVEL; /** * Enables the human friendly development output. * @default process.env.NODE_ENV === 'development' */ devMode?: boolean; } /** Creates a new logger instance. */ export declare class Logger { level: LEVEL; devMode: boolean; constructor(options?: LoggerOptions); /** * Logs a message at the given log level. * @param level Log level for the message. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ log: (level: LEVEL, message: string, data?: unknown) => void; /** * Logs a message at the EMERG log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ emerg: (message: string, data?: unknown) => void; /** * Logs a message at the ALERT log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ alert: (message: string, data?: unknown) => void; /** * Logs a message at the CRIT log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ crit: (message: string, data?: unknown) => void; /** * Logs a message at the ERROR log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ error: (message: string, data?: unknown) => void; /** * Logs a message at the WARN log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ warn: (message: string, data?: unknown) => void; /** * Logs a message at the NOTICE log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ notice: (message: string, data?: unknown) => void; /** * Logs a message at the INFO log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ info: (message: string, data?: unknown) => void; /** * Logs a message at the DEBUG log level. * @param message The message to log. * @param data Any additional data to log with the message. This can be any type. */ debug: (message: string, data?: unknown) => void; } export {};