@launchdarkly/node-server-sdk/dist/src/LDClientNode.js

LaunchDarkly Server-Side SDK for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// eslint-disable-next-line max-classes-per-file
const events_1 = require("events");
const util_1 = require("util");
const js_server_sdk_common_1 = require("@launchdarkly/js-server-sdk-common");
const BigSegmentsStoreStatusProviderNode_1 = require("./BigSegmentsStoreStatusProviderNode");
const Emits_1 = require("./Emits");
const NodePlatform_1 = require("./platform/NodePlatform");
class ClientEmitter extends events_1.EventEmitter {
}
/**
 * @ignore
 */
class LDClientNode extends js_server_sdk_common_1.LDClientImpl {
    constructor(sdkKey, options) {
        const fallbackLogger = new js_server_sdk_common_1.BasicLogger({
            level: 'info',
            // eslint-disable-next-line no-console
            destination: console.error,
            formatter: util_1.format,
        });
        const emitter = new ClientEmitter();
        const logger = options.logger ? new js_server_sdk_common_1.SafeLogger(options.logger, fallbackLogger) : fallbackLogger;
        super(sdkKey, new NodePlatform_1.default(Object.assign(Object.assign({}, options), { logger })), Object.assign(Object.assign({}, options), { logger }), {
            onError: (err) => {
                if (emitter.listenerCount('error')) {
                    emitter.emit('error', err);
                }
                else {
                    logger.error(err.message);
                }
            },
            onFailed: (err) => {
                emitter.emit('failed', err);
            },
            onReady: () => {
                emitter.emit('ready');
            },
            onUpdate: (key) => {
                emitter.emit('update', { key });
                emitter.emit(`update:${key}`, { key });
            },
            hasEventListeners: () => emitter
                .eventNames()
                .some((name) => name === 'update' || (typeof name === 'string' && name.startsWith('update:'))),
        });
        this.emitter = emitter;
        this.bigSegmentStoreStatusProvider = new BigSegmentsStoreStatusProviderNode_1.default(this.bigSegmentStatusProviderInternal);
    }
}
exports.default = (0, Emits_1.Emits)(LDClientNode);
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