Package Exports
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Readme
winston-seq 
A Winston v3 transport that sends structured logs to the Seq log server.
Getting started
Add the @datalust/winston-seq winston and winston packages to your package.json, and configure winston with a SeqTransport:
import winston from 'winston';
import { SeqTransport } from '@datalust/winston-seq';
const logger = winston.createLogger({
level: 'info',
format: winston.format.combine( /* This is required to get errors to log with stack traces. See https://github.com/winstonjs/winston/issues/1498 */
winston.format.errors({ stack: true }),
winston.format.json(),
),
defaultMeta: { /* application: 'your-app-name' */ },
transports: [
new winston.transports.Console({
format: winston.format.simple(),
}),
new SeqTransport({
serverUrl: "https://your-seq-server:5341",
apiKey: "your-api-key",
onError: (e => { console.error(e) }),
handleExceptions: true,
handleRejections: true,
})
]
});serverUrl- the URL for your Seq server's ingestionapiKey- (optional) The Seq API Key to useonError- Callback to execute when an error occurs within the transporthandleExceptions- (optional) Send an event when an uncaught exception occurshandleRejections- (optional) Send an event when an unhandled promise rejection occurs
Send Log Events
Send structured log events, with properties that can be used later for filtering and analysis:
logger.info("Hello {name}", {name: "World"});Attach context by creating child loggers:
const taskLogger = logger.child({ activity: "purchase" });
taskLogger.debug(
"User {user} purchase product {product} at ${price}",
{
user: "Millie Gilbert",
product: "Yardtime Garden Shears",
price: 29.99
});