easy-logger

簡易的なロギングユーティリティです。

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/443079/1038070/easy-logger.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         easy-logger
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @license      MIT
// @description  簡易的なロギングユーティリティです。
// @author       You
// ==/UserScript==

class EasyLogger {
  static #levels = {
    all: { priority: 0, color: 'grey' },
    trace: { priority: 1, color: 'blue' },
    debug: { priority: 2, color: 'cyan' },
    info: { priority: 3, color: 'green' },
    warn: { priority: 4, color: 'yellow' },
    error: { priority: 5, color: 'red' },
    fatal: { priority: 6, color: 'magenta' },
    mark: { priority: 7, color: 'grey' },
    off: { priority: 8 }
  }
  #category = 'default'

  setCategory(category) {
    this.#category = category

    return this
  }

  #level = 'all'
  #levelPriority = 0

  setLevel(level) {
    this.#level = level
    this.#levelPriority = this.constructor.#levels[level].priority

    return this
  }

  static #colorReset = '\u001b[0m'
  static #colorMap = {
    'grey': '\u001b[90m',
    'blue': '\u001b[34m',
    'cyan': '\u001b[36m',
    'green': '\u001b[32m',
    'yellow': '\u001b[33m',
    'red': '\u001b[31m',
    'magenta': '\u001b[35m'
  }

  static #colorText(text, color) {
    return `${this.#colorMap[color]}${text}${this.#colorReset}`
  }

  #createLog(text, level) {
    return this.constructor.#colorText(
      `[${new Date().toISOString().slice(0, -1)}] [${level.toUpperCase()}] ${this.#category} - ${text}`,
      this.constructor.#levels[level].color
    )
  }

  #log(text, level) {
    if (this.#levelPriority <= this.constructor.#levels[level].priority) {
      console.log(this.#createLog(text, level))
    }

    return this
  }

  trace(text) {
    return this.#log(text, 'trace')
  }

  debug(text) {
    return this.#log(text, 'debug')
  }

  info(text) {
    return this.#log(text, 'info')
  }

  warn(text) {
    return this.#log(text, 'warn')
  }

  error(text) {
    return this.#log(text, 'error')
  }

  fatal(text) {
    return this.#log(text, 'fatal')
  }

  mark(text) {
    return this.#log(text, 'mark')
  }
}

window.EasyLogger = EasyLogger