Logger

Ajout d'une strategie de log

TypeScriptJavaScript

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

const logger = new BasaltLogger();

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

logger.log('hello world');

const { BasaltLogger, ConsoleLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

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

logger.log('hello world');

node example.js[2023-11-21 00:00:00] LOG : hello world

Suppression d'une strategie specifique de log

TypeScriptJavaScript

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

const logger = new BasaltLogger();

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

logger.removeStrategy('console');

const { BasaltLogger, ConsoleLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

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

logger.removeStrategy('console');

Suppression de toutes les strategies de log

TypeScriptJavaScript

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

const logger = new BasaltLogger();

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

logger.clearStrategies();

const { BasaltLogger, ConsoleLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

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

logger.clearStrategies();

Création d'une strategie de log

TypeScriptJavaScript

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

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

const logger = new BasaltLogger();

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

const { appendFileSync } = require('fs');
const { BasaltLogger, LogLevels } = require('@basalt-lab/basalt-logger');

class FileLoggerStrategy {
    log(level, date, object) {
        const prefixDate = `[${date.toISOString().replace(/T/, ' ').replace(/\..+/, '')}]`;
        const sanitizedObject = typeof object === 'string' ? object : JSON.stringify(object);
        const message = `${prefixDate} ${level} : ${sanitizedObject}`;
        appendFile('./test.log', `${message}\n`, (err) => {
            if (err) throw err;
        });
    }
}

const logger = new BasaltLogger();

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

node example.jscat test.log[2023-11-21 00:00:00] LOG : Hello World

Ajout de plusieurs strategies de log

TypeScriptJavaScript

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

const logger = new BasaltLogger();

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

logger.log('Hello World');

const { BasaltLogger, ConsoleLoggerStrategy, FileLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

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

logger.log('Hello World');

node example.js[2023-11-21 00:00:00] LOG : Hello Worldcat log.txt[2023-11-21 00:00:00] LOG : Hello World

Tout les niveaux de log

TypeScriptJavaScript

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

const logger = new BasaltLogger();

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

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

const { BasaltLogger, ConsoleLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

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

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

node example.js[2023-11-21 00:00:00] LOG : hello world
[2023-11-21 00:00:00] INFO : hello world
[2023-11-21 00:00:00] DEBUG : hello world
[2023-11-21 00:00:00] WARN : hello world
[2023-11-21 00:00:00] ERROR : hello world

Log sur une strategie specifique

TypeScriptJavaScript

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

const logger = new BasaltLogger();

logger.addStrategies([
    ['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');

const { BasaltLogger, ConsoleLoggerStrategy, FileLoggerStrategy } = require('@basalt-lab/basalt-logger');

const logger = new BasaltLogger();

logger.addStrategies([
    ['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');

node example.js[2023-11-21 00:00:00] LOG : console strategy
[2023-11-21 00:00:00] LOG : console and file strategy
[2023-11-21 00:00:00] LOG : all strategiescat log.txt[2023-11-21 00:00:00] LOG : file strategy
[2023-11-21 00:00:00 LOG : console and file strategy
[2023-11-21 00:00:00 LOG : all strategies