@seriousme/opifex/dist/utils/logger.js

MQTT client & server for Deno & NodeJS

/**
 * The available log levels
 */
export const LogLevel = {
    error: 0,
    warn: 1,
    info: 2,
    verbose: 3,
    debug: 4,
};
/**
 * Simple logger class
 * @example
 * ```ts
 * const logger = new Logger();
 * logger.level(LogLevel.debug);
 * logger.debug("debug message");
 * logger.verbose("verbose message");
 * logger.info("info message");
 * logger.warn("warn message");
 * logger.error("error message");
 * ```
 */
export class Logger {
    defaultError = console.error;
    defaultWarn = console.warn;
    defaultInfo = console.info;
    defaultVerbose = console.log;
    defaultDebug = console.log;
    // deno-lint-ignore no-explicit-any
    noop = (..._data) => { };
    error = this.defaultError;
    warn = this.defaultWarn;
    info = this.defaultInfo;
    verbose = this.noop;
    debug = this.noop;
    constructor() { }
    level(logLevel) {
        this.warn = logLevel > 0 ? this.defaultWarn : this.noop;
        this.info = logLevel > 1 ? this.defaultInfo : this.noop;
        this.verbose = logLevel > 2 ? this.defaultVerbose : this.noop;
        this.debug = logLevel > 3 ? this.defaultDebug : this.noop;
    }
}
/**
 * logger provides a singleton logger instance
 * @example
 * ```ts
 * import { logger } from "./utils/logger.ts";
 * logger.level(LogLevel.debug);
 * logger.debug("debug message");
 * logger.verbose("verbose message");
 * logger.info("info message");
 * logger.warn("warn message");
 * logger.error("error message");
 * ```
 */
export const logger = new Logger();
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