mirror of
https://github.com/Unleash/unleash.git
synced 2024-10-18 20:09:08 +02:00
75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
'use strict';
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const express = require('express');
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const unleash = require('unleash-client');
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const chalk = require('chalk');
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const app = express();
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const instance = unleash.initialize({
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appName: 'demo-app',
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url: 'http://localhost:4242/',
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refreshIntervall: 4000,
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metricsInterval: 10000,
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strategies: [
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new unleash.Strategy('extra', true),
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],
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});
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instance.on('ready', () => {
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console.log('connected to unleash');
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setInterval(() => {
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const result = unleash.isEnabled('add-feature-2', null, Boolean(Math.round(Math.random() * 2)));
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console.log(chalk.yellow('add-feature-2'), chalk.blue(result.toString()));
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}, 1000);
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setInterval(() => {
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const result = unleash.isEnabled('toggle-2', null, Boolean(Math.round(Math.random() * 2)));
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console.log(chalk.green('toggle-2'), chalk.blue(result.toString()));
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}, 1500);
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setInterval(() => {
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const result = unleash.isEnabled('toggle-3', null, Boolean(Math.round(Math.random() * 2)));
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console.log(chalk.red('toggle-3'), chalk.blue(result.toString()));
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}, 1500);
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});
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instance.on('error', (err) => {
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console.error(err.message, err.stack);
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});
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instance.on('warn', console.warn);
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function outputFeature (name, feature) {
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if (feature.enabled === false) {
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return;
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}
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return `<div>
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<h3>${name}</h3>
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<ul>${feature.strategies.map(strategy => `<li>${strategy.name}:<ul>${
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Object
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.keys(strategy.parameters)
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.map((paramName) => `<li>${paramName}: ${strategy.parameters[paramName]}</li>`)
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.join('')
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}</ul></li>`)}</ul>
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</div>`;
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}
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app.get('/', (req, res) => {
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const { data } = instance.repository.storage;
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res.send(`<!DOCTYPE html>
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<link rel="stylesheet" href="//static.finncdn.no/bb/css/spaden/5.2.1/spaden.min.css">
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<meta http-equiv="refresh" content="5000">
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<title>Demo example unleash-client usage</title>
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${
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Object.keys(data)
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.map((key) => outputFeature(key, data[key]))
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.filter(Boolean)
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.join('<hr />')
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}
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`);
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});
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app.listen(process.env.PORT || 1337);
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