loglevel Transport for LogLayer


A transport for using loglevel with the LogLayer logging library.

Installation

``bash
npm install @loglayer/transport-loglevel loglevel
`

Usage

`typescript
import { LogLayer } from 'loglayer';
import { LogLevelTransport } from '@loglayer/transport-loglevel';
import log from 'loglevel';

const logger = log.getLogger('myapp');
logger.setLevel('trace'); // Enable all log levels

const loglayer = new LogLayer({
transport: new LogLevelTransport({
logger,
// Optional: control where object data appears in log messages
appendObjectData: false // default: false - object data appears first
})
});

loglayer.info('Hello world');
`

Configuration Options

$3

Controls where object data (metadata, context, errors) appears in the log messages:
- false (default): Object data appears as the first parameter
- true: Object data appears as the last parameter

Example with appendObjectData: false (default):
`typescript
loglayer.withMetadata({ user: 'john' }).info('User logged in');
// logger.info({ user: 'john' }, 'User logged in')
`

Example with appendObjectData: true:
`typescript
loglayer.withMetadata({ user: 'john' }).info('User logged in');
// logger.info('User logged in', { user: 'john' })
``

Log Level Mapping

| LogLayer | LogLevel |
|----------|----------|
| trace | trace |
| debug | debug |
| info | info |
| warn | warn |
| error | error |
| fatal | error |