72 lines
2.1 KiB
TypeScript
72 lines
2.1 KiB
TypeScript
import { FeatureFlagConfig, FeatureFlagsEnum } from "configs/types";
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import localStorage from "utils/localStorage";
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const optimizelySDK = require("@optimizely/optimizely-sdk");
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class FeatureFlag {
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static isInitialized = false;
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static remote = undefined;
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static initialize(featureFlagConfig?: FeatureFlagConfig) {
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if (featureFlagConfig) {
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Object.keys(featureFlagConfig.default).forEach((flag: any) => {
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// This is required because otherwise it will reset the values
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// every time the application is loaded. We need the application to load
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// remote values the second time.
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if (localStorage.getItem(flag) === null) {
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localStorage.setItem(
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flag,
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featureFlagConfig.default[flag as FeatureFlagsEnum].toString(),
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);
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}
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});
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if (featureFlagConfig.remoteConfig) {
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FeatureFlag.remote = optimizelySDK.createInstance({
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sdkKey: featureFlagConfig.remoteConfig.optimizely,
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datafileOptions: {
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autoUpdate: true,
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updateInterval: 600000, // 10 minutes in milliseconds
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urlTemplate: window.location.origin + "/f/datafiles/%s.json",
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},
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});
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(FeatureFlag.remote as any).onReady().then(onInit);
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}
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}
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}
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static identify(userData: any) {
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if (FeatureFlag.remote) {
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if (FeatureFlag.isInitialized) {
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updateFlagsInLocalStorage(userData);
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} else {
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(FeatureFlag.remote as any).onReady().then(() => {
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onInit();
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updateFlagsInLocalStorage(userData);
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});
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}
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}
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}
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static check(flagName: string) {
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return localStorage.getItem(flagName) === "true";
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}
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}
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function onInit() {
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FeatureFlag.isInitialized = true;
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}
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function updateFlagsInLocalStorage(userData: any) {
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const userId = userData.id;
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const email = userData.email;
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const optimizelyClientInstance = FeatureFlag.remote as any;
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Object.values(FeatureFlagsEnum).forEach((flag: string) => {
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localStorage.setItem(
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flag,
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optimizelyClientInstance.isFeatureEnabled(flag, userId, { email }),
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);
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});
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}
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export default FeatureFlag;
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