# delog.js

> Logger library for Node.js and Browser

Latest version **0.1.2** (published 2024-05-11) · MIT license · 0 weekly downloads

## Install

```sh
npm install delog.js
pnpm add delog.js
yarn add delog.js
bun add delog.js
```

## Health

**Score 30/100 (F)** — status: abandoned.

Positive: has types; esm support; no vulnerabilities; high quality score.

Warnings: low downloads; pre 1.0.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 0.1.2 |
| Published | 2024-05-11 |
| First published | 2022-05-29 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 0 |
| Unpacked size | 7.6 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 0 |
| Author | lanyueos@qq.com |
| Maintainers | lanyue |
| Keywords | delog.js, logger |

## Links

- npm: https://www.npmjs.com/package/delog.js
- Repository: https://github.com/mengdu/delog.js
- Homepage: https://github.com/mengdu/delog.js#readme
- Issues: https://github.com/mengdu/m-message/issues
- npm.io page: https://npm.io/package/delog.js

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## Recent versions

- 0.1.2 (latest) — 2024-05-11
- 0.1.1 — 2022-05-29
- 0.1.0 — 2022-05-29

## README

# delog.js

Logger library for Node.js and Browser.

```shell
npm install delog.js
```
## Usage

#### Node

```js
const logger = require('delog.js')

logger.default.error('Error message')
logger.default.warn('Warning message')
logger.default.info('Info message')
logger.default.log('Log message')
logger.default.debug('Debug message')

const log = new logger.Logger({ level: 'debug' })
log.error('Error message')
log.warn('Warning message')
log.info('Info message')
log.log('Log message')
log.debug('Debug message')
```

#### Browser

```js
// npm cdn
// <script src="https://unpkg.com/delog.js@:version/dist/index.umd.js"></script>

import { Logger } from 'delog.js'

const log = new Logger({ level: 'debug' })
log.error('Error message')
log.warn('Warning message')
log.info('Info message')
log.log('Log message')
log.debug('Debug message')
```

## Options

**LoggerOptions**

```ts
interface LoggerOptions {
  level: LEVEL; // Only those less than or equal to the current level will be printed.
  showLevel?: boolean; // Print level
  label?: string; // Add label
  console?: Console; // Use for node.js
  timestamp?: Boolean; // Print timestamp
}
```

**Level**

```js
const levels = {
  off: 0,
  error: 1,
  warn: 2,
  info: 3,
  log: 4,
  debug: 5
}
```

#### Log write to file

```js
const steam = fs.createWriteStream(path.resolve(__dirname, 'path-to-file/debug.log'), { flags: 'a+' })
const log = new logger.Logger({
    label: 'DEV',
    timestamp: true,
    level: 'debug',
    showLevel: true,
    console: new console.Console(steam, steam, true); // new Console
})

log.error('Error message')
log.warn('Warning message')
log.info('Info message')
log.log('Log message')
log.debug('Debug message')
```

---
_Source: https://npm.io/package/delog.js · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._