093221423e
* nodejs-launchdarkly * segregating code examples * refactoring the code sections * refactor directory name * minor changes * addressed review comments * review comments * review comments Co-authored-by: Arpendu Kumar Garai <Arpendu.KumarGarai@microfocus.com>
33 lines
999 B
JavaScript
33 lines
999 B
JavaScript
import util from 'util';
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import express from 'express';
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import LaunchDarkly from 'launchdarkly-node-server-sdk';
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import Logger from './logger.js';
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const PORT = 5000;
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const app = express();
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const simpleLogger = new Logger('SimpleLogging');
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const LD_SDK_KEY = 'sdk-********-****-****-****-************';
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const LOG_LEVEL_FLAG_KEY = 'backend-log-level';
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const client = LaunchDarkly.init(LD_SDK_KEY);
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const asyncGetFlag = util.promisify(client.variation);
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client.once('ready', async () => {
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const user = {
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anonymous: true
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};
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const initialLogLevel = await asyncGetFlag(LOG_LEVEL_FLAG_KEY, user, 'debug');
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Logger.setLogLevel(initialLogLevel);
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app.get('/', (req, res) => {
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simpleLogger.debug('detailed debug message');
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simpleLogger.log('simple log message');
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simpleLogger.warn('Warning warning do something');
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simpleLogger.error('ERROR! ERROR!');
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res.sendStatus(200);
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});
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app.listen(PORT, () => {
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simpleLogger.log(`Server listening on port ${PORT}`);
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});
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}); |