@ua/react-native-airship/lib/module/AirshipFeatureFlagManager.js

Airship plugin for React Native apps.

"use strict";

/**
 * Airship feature flag manager.
 */
export class AirshipFeatureFlagManager {
  /**
   * Feature flag cache.
   */

  constructor(module) {
    this.module = module;
    this.resultCache = new AirshipFeatureFlagResultCache(module);
  }

  /**
   * Retrieve a given flag's status and associated data by its name.
   * @param {string} flagName The flag name
   * @param {boolean} useResultCache If the response should use result cache or not.
   * @return {Promise<FeatureFlag>} A promise resolving to the feature flag requested.
   * @throws {Error} when failed to fetch
   */
  flag(flagName, useResultCache = true) {
    return this.module.featureFlagManagerFlag(flagName, useResultCache);
  }

  /**
   * Tracks a feature flag interaction event.
   * @param {FeatureFlag} flag The flag
   * @return {Promise<Void>} A promise with an empty result.
   * @throws {Error} when failed to fetch
   */
  trackInteraction(flag) {
    return this.module.featureFlagManagerTrackInteraction(flag);
  }
}
export class AirshipFeatureFlagResultCache {
  constructor(module) {
    this.module = module;
  }

  /**
   * Retrieve a flag from the cache.
   * @param {string} flagName The flag name
   * @return {Promise<FeatureFlag>} A promise resolving to the feature flag.
   */
  flag(flagName) {
    return this.module.featureFlagManagerResultCacheGetFlag(flagName);
  }

  /**
   * Caches a feature flag.
   * @param {FeatureFlag} flag The flag
   * @param {FeatureFlag} ttl Cache TTL in milliseconds.
   * @return {Promise<Void>} A promise with an empty result.
   */
  cache(flag, ttl) {
    return this.module.featureFlagManagerResultCacheSetFlag(flag, ttl);
  }

  /**
   * Clears the cache for a given flag.
   * @param {FeatureFlag} flagName The flag name
   * @return {Promise<Void>} A promise with an empty result.
   */
  removeCachedFlag(flagName) {
    return this.module.featureFlagManagerResultCacheRemoveFlag(flagName);
  }
}
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