kaven-utils/src/KavenLoggerFile.js

Utils for Node.js.

/********************************************************************
 * @author:      Kaven
 * @email:       kaven@wuwenkai.com
 * @website:     http://blog.kaven.xyz
 * @file:        [Kaven-Utils] /src/KavenLoggerFile.ts
 * @create:      2022-06-26 01:49:21.007
 * @modify:      2023-12-06 11:15:47.866
 * @version:     5.4.0
 * @times:       22
 * @lines:       99
 * @copyright:   Copyright © 2022-2023 Kaven. All Rights Reserved.
 * @description: [description]
 * @license:     [license]
 ********************************************************************/
import { LogLevel } from "kaven-basic";
import { createWriteStream } from "node:fs";
import { dirname } from "node:path";
import { GetEntryDirectory } from "./KavenUtility.Constant.js";
import { AppendPathToDirectory, MakeDirectory } from "./KavenUtility.FileSystem.js";
/**
 * @since 4.3.0
 * @version 2023-12-05
 */
export class KavenLoggerFile {
    file;
    levels = Object.values(LogLevel);
    stream;
    constructor(options) {
        this.file = AppendPathToDirectory(GetEntryDirectory(), options.file);
        if (options.levels) {
            if (options.levels.length === 0) {
                throw new Error("Invalid log levels");
            }
            this.levels = options.levels;
        }
        this.SaveWithAnsiColor = options.saveWithAnsiColor;
    }
    SaveWithAnsiColor;
    get Options() {
        return {
            file: this.file,
            levels: this.levels,
            saveWithAnsiColor: this.SaveWithAnsiColor,
        };
    }
    get File() {
        return this.file;
    }
    get Stream() {
        return this.stream;
    }
    Has(level) {
        return this.levels.includes(level);
    }
    async Open() {
        if (this.stream) {
            throw new Error(`file already opened: ${this.file}`);
        }
        await MakeDirectory(dirname(this.file));
        this.stream = createWriteStream(this.file, { flags: "a" });
    }
    async Close() {
        await new Promise((resolve, reject) => {
            if (this.stream) {
                this.stream.close(err => {
                    /* istanbul ignore next */
                    if (err) {
                        reject(err);
                    }
                    else {
                        resolve();
                    }
                });
            }
            else {
                resolve();
            }
        });
        this.stream = undefined;
    }
    ToString() {
        return `Levels:${this.levels.join("|")}, SaveWithAnsiColor:${this.SaveWithAnsiColor}, ${this.file}`;
    }
}