fluence-js/packages/core/js-peer/src/util/logger.ts

/*
 * Copyright 2023 Fluence Labs Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import debug from 'debug';
import { Buffer } from 'buffer';

// Format avm data as a string
debug.formatters.a = (avmData: Uint8Array) => {
    return new TextDecoder().decode(Buffer.from(avmData));
};

type Logger = (formatter: any, ...args: any[]) => void;

export interface CommonLogger {
    error: Logger;
    trace: Logger;
    debug: Logger;
}

export interface MarineLogger {
    warn: Logger;
    error: Logger;
    debug: Logger;
    trace: Logger;
    info: Logger;
}

export function logger(name: string): CommonLogger {
    return {
        error: debug(`fluence:${name}:error`),
        trace: debug(`fluence:${name}:trace`),
        debug: debug(`fluence:${name}:debug`),
    };
}

export function marineLogger(serviceId: string): MarineLogger {
    const name = `fluence:marine:${serviceId}`;
    return {
        warn: debug(`${name}:warn`),
        error: debug(`${name}:error`),
        debug: debug(`${name}:debug`),
        trace: debug(`${name}:trace`),
        info: debug(`${name}:info`),
    };
}

export function disable() {
    debug.disable();
}

export function enable(namespaces: string) {
    debug.enable(namespaces);
}

export function enabled(namespaces: string) {
    return debug.enabled(namespaces);
}