unleash-server/dist/lib/features/playground/feature-evaluator/strategy/application-hostname-strategy.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

import { hostname } from 'os';
import { Strategy } from './strategy.js';
export default class ApplicationHostnameStrategy extends Strategy {
    constructor() {
        super('applicationHostname');
        this.hostname = (process.env.HOSTNAME ||
            hostname() ||
            'undefined').toLowerCase();
    }
    isEnabled(parameters) {
        if (!parameters.hostNames) {
            return false;
        }
        return parameters.hostNames
            .toLowerCase()
            .split(/\s*,\s*/)
            .includes(this.hostname);
    }
}
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