Logger

BasaltLogger

BasaltLogger est une classe qui vous permettra d'enregistrer des stratégies de log pour votre application ainsi de loguer des messages.

Ajout d'une strategie de log

import { BasaltLogger, ConsoleLoggerStrategy } from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategy('console', new ConsoleLoggerStrategy());

logger.log('hello world');

fast →

Suppression d'une strategie specifique de log

import { BasaltLogger, ConsoleLoggerStrategy } from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategy('console', new ConsoleLoggerStrategy());

logger.unregisterStrategy('console');

fast →

Suppression de toutes les strategies de log

import { BasaltLogger, ConsoleLoggerStrategy } from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategy('console', new ConsoleLoggerStrategy());

logger.clearStrategies();

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Création d'une strategie de log

import { appendFile } from 'fs/promises';
import { BasaltLogger, LoggerStrategy, LogLevels}  from '@basalt-lab/basalt-logger';

class FileLoggerStrategy implements LoggerStrategy {
        public log(level: LogLevels, date: Date, object: unknown): void {
        const prefixDate = `[${date.toISOString().replace(/T/, ' ').replace(/\..+/, '')}]`;
        const sanitizedObject: string = typeof object === 'string' ? object : JSON.stringify(object);
        const message = `${prefixDate} ${level} : ${sanitizedObject}`;
        await appendFile(this._path, `${message}\n`);
    }
}

const logger = new BasaltLogger();

logger.registerStrategy('file', new FileLoggerStrategy());
logger.log('Hello World');

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Ajout de plusieurs strategies de log

import { BasaltLogger, ConsoleLoggerStrategy, FileLoggerStrategy}  from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategies([
    ['console', new ConsoleLoggerStrategy()],
    ['file', new FileLoggerStrategy('log.txt')]
]);

logger.log('Hello World');

fast →

Tout les niveaux de log

import { BasaltLogger, ConsoleLoggerStrategy }  from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategy('console', new ConsoleLoggerStrategy());

logger.log('hello world');
logger.info('hello world');
logger.debug('hello world');
logger.warn('hello world');
logger.error('hello world');

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Log sur une strategie specifique

import { BasaltLogger, ConsoleLoggerStrategy, FileLoggerStrategy}  from '@basalt-lab/basalt-logger';

const logger = new BasaltLogger();

logger.registerStrategies([
    ['console', new ConsoleLoggerStrategy()],
    ['file', new FileLoggerStrategy('log.txt')]
]);

logger.log('console strategy', ['console']);
logger.log('file strategy', ['file']);
logger.log('console and file strategy', ['console', 'file']);
logger.log('all strategies');

fast →