@lokalise/fastify-extras/dist/plugins/splitIOFeatureManagerPlugin.js

Opinionated set of fastify plugins, commonly used in Lokalise

import * as path from 'node:path';
import * as process from 'node:process';
import { SplitFactory } from '@splitsoftware/splitio';
import fp from 'fastify-plugin';
const DISABLED_TREATMENT = 'control';
export class SplitIOFeatureManager {
    isEnabled;
    splitIOClient;
    constructor(isSplitIOEnabled, apiKey, debugMode, localhostFilePath) {
        if (isSplitIOEnabled) {
            const factory = SplitFactory({
                core: {
                    authorizationKey: localhostFilePath ? 'localhost' : apiKey,
                },
                features: localhostFilePath ? path.join(process.cwd(), localhostFilePath) : undefined,
                debug: debugMode,
            });
            this.splitIOClient = factory.client();
        }
        this.isEnabled = isSplitIOEnabled;
    }
    async init() {
        await this.splitIOClient?.ready();
    }
    getTreatment(key, splitName, attributes) {
        return this.splitIOClient?.getTreatment(key, splitName, attributes) ?? DISABLED_TREATMENT;
    }
    getTreatmentWithConfig(key, splitName, attributes) {
        return (this.splitIOClient?.getTreatmentWithConfig(key, splitName, attributes) ?? {
            treatment: DISABLED_TREATMENT,
            config: null,
        });
    }
    track(key, trafficType, eventType, value, properties) {
        return this.splitIOClient?.track(key, trafficType, eventType, value, properties) ?? false;
    }
    async shutdown() {
        if (!this.isEnabled) {
            return;
        }
        await this.splitIOClient?.destroy();
    }
}
async function plugin(fastify, opts) {
    const manager = new SplitIOFeatureManager(opts.isEnabled, opts.apiKey, opts.debugMode, opts.localhostFilePath);
    fastify.decorate('splitIOFeatureManager', manager);
    if (opts.isEnabled) {
        fastify.addHook('onClose', async () => {
            await manager.shutdown();
        });
    }
    await manager.init();
}
export const splitIOFeatureManagerPlugin = fp(plugin, {
    fastify: '5.x',
    name: 'split-io-feature-manager-plugin',
});
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