Comments (7)
You're right, the first argument of nestLike
is just the application name. In order to use "dynamic" label you could use the context
argument or setContext
method?
from nest-winston.
@gremo @TrejGun @kierans When using NestWinston for bootstrapping it does not provide the setContext
method.
constructor(
@Inject(Logger) private readonly logger: LoggerService) {
}
Can you provide an example of how to do that?
from nest-winston.
@ShareinSK enjoy
import {Injectable} from "@nestjs/common";
import {WinstonModuleOptions, WinstonModuleOptionsFactory} from "nest-winston/dist/winston.interfaces";
import {format, transports} from "winston";
import cls from "cli-color";
@Injectable()
export class WinstonConfigService implements WinstonModuleOptionsFactory {
createWinstonModuleOptions(): WinstonModuleOptions {
return {
format: format.combine(format.errors({stack: true}), format.timestamp()),
transports: [
new transports.Console({
format: format.printf(args => {
const {level, context, timestamp, message, stack, trace} = args;
let color = cls.green;
let text = "";
if (level === "error") {
color = cls.red;
const lines = (stack || trace).split("\n");
lines[0] = color(lines[0]);
text = lines.join("\n");
} else if (level === "info") {
color = cls.green;
text = color(message);
} else if (level === "warn") {
color = cls.yellow;
text = color(message);
} else if (level === "debug") {
color = cls.magentaBright;
text = color(message);
} else if (level === "verbose") {
color = cls.cyanBright;
text = color(message);
}
return `${color(`[Nest] ${process.pid} -`)} ${new Date(timestamp).toLocaleString()} ${
context ? cls.yellow("[" + context + "]") : ""
} ${text}`;
}),
}),
],
};
}
}
@Module({
imports: [
WinstonModule.forRootAsync({
useClass: WinstonConfigService,
}),
// ...
],
})
export class ApplicationModule {}
async function bootstrap(): Promise<void> {
const app = await NestFactory.create(ApplicationModule);
app.useLogger(app.get(WINSTON_MODULE_NEST_PROVIDER));
// ...
}
@Controller("/controller")
export class MyController {
constructor(
@Inject(WINSTON_MODULE_NEST_PROVIDER)
private readonly logger: LoggerService,
) {}
@Post("/method")
public async method(): Promise<void> {
this.logger.log(`BOOM!`);
}
}
i dont remember why it is like this. this code is year old
from nest-winston.
@TrejGun Thanks for the example, it worked.
But in the given example, the context
needs to be added as a second arg to every logger command.
Is there an option to initialize the logger inside the class constructor with the context
, so that everytime the context need not be specified in a class.
from nest-winston.
ask @gremo
from nest-winston.
@gremo Is there an option to initialize the logger inside the class constructor with the context, so that everytime the context need not be specified in a class.
If we could do something like
_logger: any;
constructor(@Inject(WINSTON_MODULE_NEST_PROVIDER) private logger: LoggerService) {
this._logger = logger.setContext('ClassName');
}
async test() {
this._logger.log('Hello World');
}
from nest-winston.
Closing this but opening a new ticket for single instantiation of logger.
from nest-winston.
Related Issues (20)
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- [Question]: Should documentation be updated? HOT 8
- [Feature]: Support string-interpolation HOT 1
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- [Feature]: add fatal level HOT 6
- [Question]: How can I access a request scope injectable when replacing the Nest logger (including boostrap) ? HOT 2
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