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@amplitude/analytics-core - npm Package Compare versions

Comparing version

2.51.0

2.52.0

+42

lib/cjs/heartbeat.d.ts

		import { ILogger } from './logger';
		import { CoreClient } from './types/client/core-client';
		import { BaseEvent } from './types/event/base-event';
		import { Result } from './types/result';
		export declare class Heartbeat {
		private client;
		private pulse;
		private delayTimeout;
		private logger?;
		private events;
		private delayId;
		private interval;
		private resetPromise;
		constructor(client: CoreClient, pulse: number, delayTimeout: number, logger?: ILogger \| undefined);
		private heartbeat;
		private resetHeartbeat;
		/**
		* An instant event is one that has no delay and gets ingested immediately
		* @param event
		* @returns
		*/
		private isInstantEvent;
		private checkEventSizeLimit;
		track(event: BaseEvent): Promise<Result \| Error \| undefined>;
		/**
		* Ingest an event with no delay
		*
		* (This is different from normal "track". It sends the events to the "/delayed" endpoint
		* so that it can be tracked in the same payload as other events, for atomicity)
		* @param event
		* @returns
		*/
		trackNoDelay(event: BaseEvent): Promise<Error \| Result \| undefined>;
		/**
		* Update an existing event
		* @param event
		*/
		update(event: BaseEvent): Promise<void>;
		stop(): void;
		}
		export declare function getHeartbeatInstance(client: CoreClient, logger?: ILogger): Heartbeat;
		//# sourceMappingURL=heartbeat.d.ts.map

+1

lib/cjs/heartbeat.d.ts.map

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+189

lib/cjs/heartbeat.js

		"use strict";
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.getHeartbeatInstance = exports.Heartbeat = void 0;
		var tslib_1 = require("tslib");
		var uuid_1 = require("./utils/uuid");
		var EVENTS_SIZE_LIMIT = 4 * 10000; // 4KB
		var Heartbeat = /** @class */ (function () {
		function Heartbeat(client, pulse, delayTimeout, logger) {
		this.client = client;
		this.pulse = pulse;
		this.delayTimeout = delayTimeout;
		this.logger = logger;
		this.interval = null;
		this.resetPromise = null;
		this.events = new Map();
		this.delayId = (0, uuid_1.UUID)();
		}
		Heartbeat.prototype.heartbeat = function () {
		return tslib_1.__awaiter(this, void 0, void 0, function () {
		var trackedEvents, _loop_1, this_1, _a, _b, event_1;
		var e_1, _c;
		var _this = this;
		return tslib_1.__generator(this, function (_d) {
		switch (_d.label) {
		case 0:
		// stop sending heartbeats if no events are queued
		if (this.events.size === 0) {
		this.stop();
		return [2 /return/, []];
		}
		trackedEvents = [];
		_loop_1 = function (event_1) {
		var event_type = event_1.event_type, event_properties = event_1.event_properties, eventOptions = tslib_1.__rest(event_1, ["event_type", "event_properties"]);
		var eventPromise = this_1.client.track(event_type, event_properties, eventOptions).promise;
		// if the event has no timeout, then it's instant ingested and we can
		// delete it after it was ingested
		if (this_1.isInstantEvent(event_1)) {
		var insertId_1 = event_1.insert_id;
		void eventPromise.finally(function () { return _this.events.delete(insertId_1); });
		}
		trackedEvents.push(eventPromise);
		};
		this_1 = this;
		try {
		for (_a = tslib_1.__values(this.events.values()), _b = _a.next(); !_b.done; _b = _a.next()) {
		event_1 = _b.value;
		_loop_1(event_1);
		}
		}
		catch (e_1_1) { e_1 = { error: e_1_1 }; }
		finally {
		try {
		if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
		}
		finally { if (e_1) throw e_1.error; }
		}
		return [4 /yield/, Promise.all(trackedEvents)];
		case 1: return [2 /return/, _d.sent()];
		}
		});
		});
		};
		Heartbeat.prototype.resetHeartbeat = function () {
		return tslib_1.__awaiter(this, void 0, void 0, function () {
		var _this = this;
		return tslib_1.__generator(this, function (_a) {
		switch (_a.label) {
		case 0:
		if (!this.resetPromise) return [3 /break/, 2];
		return [4 /yield/, this.resetPromise];
		case 1: return [2 /return/, _a.sent()];
		case 2:
		// reset the heartbeat interval
		if (this.interval)
		clearInterval(this.interval);
		this.interval = setInterval(function () { return void _this.heartbeat(); }, this.pulse);
		// invoke heartbeat on the next macrotask tick
		this.resetPromise = new Promise(function (resolve) {
		setTimeout(function () {
		resolve(_this.heartbeat());
		}, 0);
		});
		this.resetPromise.finally(function () { return (_this.resetPromise = null); });
		return [4 /yield/, this.resetPromise];
		case 3: return [2 /return/, _a.sent()];
		}
		});
		});
		};
		/**
		* An instant event is one that has no delay and gets ingested immediately
		* @param event
		* @returns
		*/
		Heartbeat.prototype.isInstantEvent = function (event) {
		return Boolean(event.insert_id && !event.delay.timeout);
		};
		Heartbeat.prototype.checkEventSizeLimit = function (event) {
		var _a;
		if (JSON.stringify(tslib_1.__spreadArray([], tslib_1.__read(this.events.values()), false)).length > EVENTS_SIZE_LIMIT) {
		/* istanbul ignore next */
		(_a = this.logger) === null \|\| _a === void 0 ? void 0 : _a.warn("Heartbeat: events size limit reached, rejecting event with id=".concat(event.insert_id));
		if (event.insert_id) {
		this.events.delete(event.insert_id);
		}
		return false;
		}
		return true;
		};
		Heartbeat.prototype.track = function (event) {
		return tslib_1.__awaiter(this, void 0, void 0, function () {
		var heartbeatResult;
		return tslib_1.__generator(this, function (_a) {
		switch (_a.label) {
		case 0:
		if (!event.insert_id) {
		return [2 /return/, new Error('insert_id is required on events tracked with heartbeat')];
		}
		this.events.set(event.insert_id, tslib_1.__assign(tslib_1.__assign({}, event), { delay: event.delay \|\| { id: this.delayId, timeout: this.delayTimeout } }));
		if (!this.checkEventSizeLimit(event)) {
		return [2 /return/];
		}
		return [4 /yield/, this.resetHeartbeat()];
		case 1:
		heartbeatResult = _a.sent();
		return [2 /return/, heartbeatResult.find(function (result) { return result.event.insert_id === event.insert_id; })];
		}
		});
		});
		};
		/**
		* Ingest an event with no delay
		*
		* (This is different from normal "track". It sends the events to the "/delayed" endpoint
		* so that it can be tracked in the same payload as other events, for atomicity)
		* @param event
		* @returns
		*/
		Heartbeat.prototype.trackNoDelay = function (event) {
		return tslib_1.__awaiter(this, void 0, void 0, function () {
		return tslib_1.__generator(this, function (_a) {
		event.delay = { id: this.delayId };
		return [2 /return/, this.track(event)];
		});
		});
		};
		/**
		* Update an existing event
		* @param event
		*/
		Heartbeat.prototype.update = function (event) {
		return tslib_1.__awaiter(this, void 0, void 0, function () {
		var backupEvent;
		return tslib_1.__generator(this, function (_a) {
		if (event.insert_id && this.events.has(event.insert_id)) {
		backupEvent = this.events.get(event.insert_id);
		this.events.set(event.insert_id, tslib_1.__assign(tslib_1.__assign({}, event), { delay: { id: this.delayId, timeout: this.delayTimeout } }));
		if (!this.checkEventSizeLimit(event) && backupEvent) {
		this.events.set(event.insert_id, backupEvent);
		return [2 /return/];
		}
		}
		return [2 /return/];
		});
		});
		};
		Heartbeat.prototype.stop = function () {
		this.interval && clearInterval(this.interval);
		this.interval = null;
		this.events.clear();
		};
		return Heartbeat;
		}());
		exports.Heartbeat = Heartbeat;
		var DEFAULT_HEARTBEAT_INTERVAL = 60000;
		// const DEFAULT_HEARTBEAT_INTERVAL = 2_000; // TODO: DO NOT MERGE THIS
		var DEFAULT_HEARTBEAT_DELAY_TIMEOUT = 3600000;
		var heartbeatMap = new Map();
		function getHeartbeatInstance(client, logger) {
		var existing = heartbeatMap.get(client);
		if (existing) {
		return existing;
		}
		var heartbeat = new Heartbeat(client, DEFAULT_HEARTBEAT_INTERVAL, DEFAULT_HEARTBEAT_DELAY_TIMEOUT, logger);
		heartbeatMap.set(client, heartbeat);
		return heartbeat;
		}
		exports.getHeartbeatInstance = getHeartbeatInstance;
		//# sourceMappingURL=heartbeat.js.map

+1

lib/cjs/heartbeat.js.map

+42

lib/esm/heartbeat.d.ts

		import { ILogger } from './logger';
		import { CoreClient } from './types/client/core-client';
		import { BaseEvent } from './types/event/base-event';
		import { Result } from './types/result';
		export declare class Heartbeat {
		private client;
		private pulse;
		private delayTimeout;
		private logger?;
		private events;
		private delayId;
		private interval;
		private resetPromise;
		constructor(client: CoreClient, pulse: number, delayTimeout: number, logger?: ILogger \| undefined);
		private heartbeat;
		private resetHeartbeat;
		/**
		* An instant event is one that has no delay and gets ingested immediately
		* @param event
		* @returns
		*/
		private isInstantEvent;
		private checkEventSizeLimit;
		track(event: BaseEvent): Promise<Result \| Error \| undefined>;
		/**
		* Ingest an event with no delay
		*
		* (This is different from normal "track". It sends the events to the "/delayed" endpoint
		* so that it can be tracked in the same payload as other events, for atomicity)
		* @param event
		* @returns
		*/
		trackNoDelay(event: BaseEvent): Promise<Error \| Result \| undefined>;
		/**
		* Update an existing event
		* @param event
		*/
		update(event: BaseEvent): Promise<void>;
		stop(): void;
		}
		export declare function getHeartbeatInstance(client: CoreClient, logger?: ILogger): Heartbeat;
		//# sourceMappingURL=heartbeat.d.ts.map

+1

lib/esm/heartbeat.d.ts.map

+185

lib/esm/heartbeat.js

		import { __assign, __awaiter, __generator, __read, __rest, __spreadArray, __values } from "tslib";
		import { UUID } from './utils/uuid';
		var EVENTS_SIZE_LIMIT = 4 * 10000; // 4KB
		var Heartbeat = /** @class */ (function () {
		function Heartbeat(client, pulse, delayTimeout, logger) {
		this.client = client;
		this.pulse = pulse;
		this.delayTimeout = delayTimeout;
		this.logger = logger;
		this.interval = null;
		this.resetPromise = null;
		this.events = new Map();
		this.delayId = UUID();
		}
		Heartbeat.prototype.heartbeat = function () {
		return __awaiter(this, void 0, void 0, function () {
		var trackedEvents, _loop_1, this_1, _a, _b, event_1;
		var e_1, _c;
		var _this = this;
		return __generator(this, function (_d) {
		switch (_d.label) {
		case 0:
		// stop sending heartbeats if no events are queued
		if (this.events.size === 0) {
		this.stop();
		return [2 /return/, []];
		}
		trackedEvents = [];
		_loop_1 = function (event_1) {
		var event_type = event_1.event_type, event_properties = event_1.event_properties, eventOptions = __rest(event_1, ["event_type", "event_properties"]);
		var eventPromise = this_1.client.track(event_type, event_properties, eventOptions).promise;
		// if the event has no timeout, then it's instant ingested and we can
		// delete it after it was ingested
		if (this_1.isInstantEvent(event_1)) {
		var insertId_1 = event_1.insert_id;
		void eventPromise.finally(function () { return _this.events.delete(insertId_1); });
		}
		trackedEvents.push(eventPromise);
		};
		this_1 = this;
		try {
		for (_a = __values(this.events.values()), _b = _a.next(); !_b.done; _b = _a.next()) {
		event_1 = _b.value;
		_loop_1(event_1);
		}
		}
		catch (e_1_1) { e_1 = { error: e_1_1 }; }
		finally {
		try {
		if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
		}
		finally { if (e_1) throw e_1.error; }
		}
		return [4 /yield/, Promise.all(trackedEvents)];
		case 1: return [2 /return/, _d.sent()];
		}
		});
		});
		};
		Heartbeat.prototype.resetHeartbeat = function () {
		return __awaiter(this, void 0, void 0, function () {
		var _this = this;
		return __generator(this, function (_a) {
		switch (_a.label) {
		case 0:
		if (!this.resetPromise) return [3 /break/, 2];
		return [4 /yield/, this.resetPromise];
		case 1: return [2 /return/, _a.sent()];
		case 2:
		// reset the heartbeat interval
		if (this.interval)
		clearInterval(this.interval);
		this.interval = setInterval(function () { return void _this.heartbeat(); }, this.pulse);
		// invoke heartbeat on the next macrotask tick
		this.resetPromise = new Promise(function (resolve) {
		setTimeout(function () {
		resolve(_this.heartbeat());
		}, 0);
		});
		this.resetPromise.finally(function () { return (_this.resetPromise = null); });
		return [4 /yield/, this.resetPromise];
		case 3: return [2 /return/, _a.sent()];
		}
		});
		});
		};
		/**
		* An instant event is one that has no delay and gets ingested immediately
		* @param event
		* @returns
		*/
		Heartbeat.prototype.isInstantEvent = function (event) {
		return Boolean(event.insert_id && !event.delay.timeout);
		};
		Heartbeat.prototype.checkEventSizeLimit = function (event) {
		var _a;
		if (JSON.stringify(__spreadArray([], __read(this.events.values()), false)).length > EVENTS_SIZE_LIMIT) {
		/* istanbul ignore next */
		(_a = this.logger) === null \|\| _a === void 0 ? void 0 : _a.warn("Heartbeat: events size limit reached, rejecting event with id=".concat(event.insert_id));
		if (event.insert_id) {
		this.events.delete(event.insert_id);
		}
		return false;
		}
		return true;
		};
		Heartbeat.prototype.track = function (event) {
		return __awaiter(this, void 0, void 0, function () {
		var heartbeatResult;
		return __generator(this, function (_a) {
		switch (_a.label) {
		case 0:
		if (!event.insert_id) {
		return [2 /return/, new Error('insert_id is required on events tracked with heartbeat')];
		}
		this.events.set(event.insert_id, __assign(__assign({}, event), { delay: event.delay \|\| { id: this.delayId, timeout: this.delayTimeout } }));
		if (!this.checkEventSizeLimit(event)) {
		return [2 /return/];
		}
		return [4 /yield/, this.resetHeartbeat()];
		case 1:
		heartbeatResult = _a.sent();
		return [2 /return/, heartbeatResult.find(function (result) { return result.event.insert_id === event.insert_id; })];
		}
		});
		});
		};
		/**
		* Ingest an event with no delay
		*
		* (This is different from normal "track". It sends the events to the "/delayed" endpoint
		* so that it can be tracked in the same payload as other events, for atomicity)
		* @param event
		* @returns
		*/
		Heartbeat.prototype.trackNoDelay = function (event) {
		return __awaiter(this, void 0, void 0, function () {
		return __generator(this, function (_a) {
		event.delay = { id: this.delayId };
		return [2 /return/, this.track(event)];
		});
		});
		};
		/**
		* Update an existing event
		* @param event
		*/
		Heartbeat.prototype.update = function (event) {
		return __awaiter(this, void 0, void 0, function () {
		var backupEvent;
		return __generator(this, function (_a) {
		if (event.insert_id && this.events.has(event.insert_id)) {
		backupEvent = this.events.get(event.insert_id);
		this.events.set(event.insert_id, __assign(__assign({}, event), { delay: { id: this.delayId, timeout: this.delayTimeout } }));
		if (!this.checkEventSizeLimit(event) && backupEvent) {
		this.events.set(event.insert_id, backupEvent);
		return [2 /return/];
		}
		}
		return [2 /return/];
		});
		});
		};
		Heartbeat.prototype.stop = function () {
		this.interval && clearInterval(this.interval);
		this.interval = null;
		this.events.clear();
		};
		return Heartbeat;
		}());
		export { Heartbeat };
		var DEFAULT_HEARTBEAT_INTERVAL = 60000;
		// const DEFAULT_HEARTBEAT_INTERVAL = 2_000; // TODO: DO NOT MERGE THIS
		var DEFAULT_HEARTBEAT_DELAY_TIMEOUT = 3600000;
		var heartbeatMap = new Map();
		export function getHeartbeatInstance(client, logger) {
		var existing = heartbeatMap.get(client);
		if (existing) {
		return existing;
		}
		var heartbeat = new Heartbeat(client, DEFAULT_HEARTBEAT_INTERVAL, DEFAULT_HEARTBEAT_DELAY_TIMEOUT, logger);
		heartbeatMap.set(client, heartbeat);
		return heartbeat;
		}
		//# sourceMappingURL=heartbeat.js.map

+1

lib/esm/heartbeat.js.map

+2

-1

lib/cjs/index.d.ts

		@@ -8,2 +8,3 @@ export { AmplitudeCore } from './core-client';
		export { Destination } from './plugins/destination';
		export { getHeartbeatInstance } from './heartbeat';
		export { IdentityEventSender } from './plugins/identity';
		@@ -35,3 +36,3 @@ export { Config, RequestMetadata } from './config';
		export { compressToGzipArrayBuffer, isCompressionStreamAvailable, MIN_GZIP_UPLOAD_BODY_SIZE_BYTES, } from './transports/gzip';
		export { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source } from './remote-config/remote-config';
		export { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source, RemoteConfigFetchRequest, RemoteConfigCustomFetch, } from './remote-config/remote-config';
		export { LogLevel } from './types/loglevel';
		@@ -38,0 +39,0 @@ export { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';

+1

-1

lib/cjs/index.d.ts.map

		@@ -1,1 +0,1 @@
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+4

-2

lib/cjs/index.js

		"use strict";
		Object.defineProperty(exports, "__esModule", { value: true });
		exports.ServerZone = exports.SpecialEventType = exports.IdentifyOperation = exports.consoleObserver = exports.STORAGE_PREFIX = exports.AMPLITUDE_PREFIX = exports.LogLevel = exports.RemoteConfigClient = exports.MIN_GZIP_UPLOAD_BODY_SIZE_BYTES = exports.isCompressionStreamAvailable = exports.compressToGzipArrayBuffer = exports.FetchTransport = exports.BaseTransport = exports.registerSdkLoaderMetadata = exports.DiagnosticsClient = exports.BrowserStorage = exports.getStorageKey = exports.decodeCookieValue = exports.isDomainEqual = exports.CookieStorage = exports.MemoryStorage = exports.omitUndefined = exports.isTimestampInSample = exports.generateHashCode = exports.getDecodeURI = exports.isUrlMatchAllowlist = exports.createIdentifyEvent = exports.UUID = exports.getClientStates = exports.getClientLogConfig = exports.debugWrapper = exports.returnWrapper = exports.getQueryParams = exports.getLanguage = exports.getOldCookieName = exports.getCookieName = exports.isNewSession = exports.setConnectorUserId = exports.setConnectorDeviceId = exports.getAnalyticsConnector = exports.getGlobalScope = exports.Logger = exports.RequestMetadata = exports.Config = exports.IdentityEventSender = exports.Destination = exports.RevenueProperty = exports.Revenue = exports.Identify = exports.AmplitudeCore = void 0;
		exports.isChromeExtension = exports.VideoObserver = exports.EXCLUDE_INTERNAL_REFERRERS_CONDITIONS = exports.AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL = exports.AMPLITUDE_ORIGINS_MAP = exports.AMPLITUDE_ORIGIN_STAGING = exports.AMPLITUDE_ORIGIN_EU = exports.AMPLITUDE_ORIGIN = exports.enableBackgroundCapture = exports.getOrCreateWindowMessenger = exports.safeJsonStringify = exports.multicast = exports.merge = exports.asyncMap = exports.Observable = exports.EMAIL_REGEX = exports.SSN_REGEX = exports.CC_REGEX = exports.replaceSensitiveString = exports.MASKED_TEXT_VALUE = exports.TEXT_MASK_ATTRIBUTE = exports.getPageTitle = exports.CampaignParser = exports.MKTG = exports.BASE_CAMPAIGN = exports.EMPTY_VALUE = exports.FORBIDDEN_HEADERS = exports.SAFE_HEADERS = exports.NetworkRequestEvent = exports.networkObserver = exports.NetworkEventCallback = exports.Status = exports.DEFAULT_DEAD_CLICK_WINDOW_MS = exports.DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD = exports.DEFAULT_RAGE_CLICK_WINDOW_MS = exports.DEFAULT_RAGE_CLICK_THRESHOLD = exports.DEFAULT_ERROR_CLICK_ALLOWLIST = exports.DEFAULT_RAGE_CLICK_ALLOWLIST = exports.DEFAULT_DEAD_CLICK_ALLOWLIST = exports.DEFAULT_EXPOSURE_DURATION = exports.DEFAULT_ACTION_CLICK_ALLOWLIST = exports.DEFAULT_DATA_ATTRIBUTE_PREFIX = exports.DEFAULT_CSS_SELECTOR_ALLOWLIST = exports.OfflineDisabled = void 0;
		exports.SpecialEventType = exports.IdentifyOperation = exports.consoleObserver = exports.STORAGE_PREFIX = exports.AMPLITUDE_PREFIX = exports.LogLevel = exports.RemoteConfigClient = exports.MIN_GZIP_UPLOAD_BODY_SIZE_BYTES = exports.isCompressionStreamAvailable = exports.compressToGzipArrayBuffer = exports.FetchTransport = exports.BaseTransport = exports.registerSdkLoaderMetadata = exports.DiagnosticsClient = exports.BrowserStorage = exports.getStorageKey = exports.decodeCookieValue = exports.isDomainEqual = exports.CookieStorage = exports.MemoryStorage = exports.omitUndefined = exports.isTimestampInSample = exports.generateHashCode = exports.getDecodeURI = exports.isUrlMatchAllowlist = exports.createIdentifyEvent = exports.UUID = exports.getClientStates = exports.getClientLogConfig = exports.debugWrapper = exports.returnWrapper = exports.getQueryParams = exports.getLanguage = exports.getOldCookieName = exports.getCookieName = exports.isNewSession = exports.setConnectorUserId = exports.setConnectorDeviceId = exports.getAnalyticsConnector = exports.getGlobalScope = exports.Logger = exports.RequestMetadata = exports.Config = exports.IdentityEventSender = exports.getHeartbeatInstance = exports.Destination = exports.RevenueProperty = exports.Revenue = exports.Identify = exports.AmplitudeCore = void 0;
		exports.isChromeExtension = exports.VideoObserver = exports.EXCLUDE_INTERNAL_REFERRERS_CONDITIONS = exports.AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL = exports.AMPLITUDE_ORIGINS_MAP = exports.AMPLITUDE_ORIGIN_STAGING = exports.AMPLITUDE_ORIGIN_EU = exports.AMPLITUDE_ORIGIN = exports.enableBackgroundCapture = exports.getOrCreateWindowMessenger = exports.safeJsonStringify = exports.multicast = exports.merge = exports.asyncMap = exports.Observable = exports.EMAIL_REGEX = exports.SSN_REGEX = exports.CC_REGEX = exports.replaceSensitiveString = exports.MASKED_TEXT_VALUE = exports.TEXT_MASK_ATTRIBUTE = exports.getPageTitle = exports.CampaignParser = exports.MKTG = exports.BASE_CAMPAIGN = exports.EMPTY_VALUE = exports.FORBIDDEN_HEADERS = exports.SAFE_HEADERS = exports.NetworkRequestEvent = exports.networkObserver = exports.NetworkEventCallback = exports.Status = exports.DEFAULT_DEAD_CLICK_WINDOW_MS = exports.DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD = exports.DEFAULT_RAGE_CLICK_WINDOW_MS = exports.DEFAULT_RAGE_CLICK_THRESHOLD = exports.DEFAULT_ERROR_CLICK_ALLOWLIST = exports.DEFAULT_RAGE_CLICK_ALLOWLIST = exports.DEFAULT_DEAD_CLICK_ALLOWLIST = exports.DEFAULT_EXPOSURE_DURATION = exports.DEFAULT_ACTION_CLICK_ALLOWLIST = exports.DEFAULT_DATA_ATTRIBUTE_PREFIX = exports.DEFAULT_CSS_SELECTOR_ALLOWLIST = exports.OfflineDisabled = exports.ServerZone = void 0;
		var core_client_1 = require("./core-client");
		@@ -14,2 +14,4 @@ Object.defineProperty(exports, "AmplitudeCore", { enumerable: true, get: function () { return core_client_1.AmplitudeCore; } });
		Object.defineProperty(exports, "Destination", { enumerable: true, get: function () { return destination_1.Destination; } });
		var heartbeat_1 = require("./heartbeat");
		Object.defineProperty(exports, "getHeartbeatInstance", { enumerable: true, get: function () { return heartbeat_1.getHeartbeatInstance; } });
		var identity_1 = require("./plugins/identity");
		@@ -16,0 +18,0 @@ Object.defineProperty(exports, "IdentityEventSender", { enumerable: true, get: function () { return identity_1.IdentityEventSender; } });

+1

-1

lib/cjs/index.js.map

		@@ -1,1 +0,1 @@
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{ AmplitudeCore } from './core-client';\nexport { CoreClient, PluginHost } from './types/client/core-client';\nexport { AnalyticsClient } from './types/client/analytics-client';\nexport { AmplitudeContext } from './types/amplitude-context';\nexport { Identify, IIdentify, ValidPropertyType } from './identify';\nexport { Revenue, IRevenue, RevenueProperty } from './revenue';\nexport { Destination } from './plugins/destination';\nexport { IdentityEventSender } from './plugins/identity';\nexport { Config, RequestMetadata } from './config';\nexport { IConfig } from './types/config/core-config';\nexport { Logger, ILogger, LogConfig } from './logger';\nexport { getGlobalScope } from './global-scope';\nexport { getAnalyticsConnector, setConnectorDeviceId, setConnectorUserId } from './analytics-connector';\nexport { isNewSession } from './session';\nexport { getCookieName, getOldCookieName } from './cookie-name';\nexport { getLanguage } from './language';\nexport { getQueryParams } from './query-params';\n\nexport { returnWrapper, AmplitudeReturn } from './utils/return-wrapper';\nexport { debugWrapper, getClientLogConfig, getClientStates } from './utils/debug';\nexport { UUID } from './utils/uuid';\nexport { createIdentifyEvent } from './utils/event-builder';\nexport { isUrlMatchAllowlist, getDecodeURI } from './utils/url-utils';\nexport { generateHashCode, isTimestampInSample } from './utils/sampling';\nexport { omitUndefined } from './utils/omit-undefined';\n\nexport { MemoryStorage } from './storage/memory';\nexport { CookieStorage, isDomainEqual, decodeCookieValue } from './storage/cookie';\nexport { getStorageKey } from './storage/helpers';\n\nexport { BrowserStorage } from './storage/browser-storage';\n\nexport { DiagnosticsClient, IDiagnosticsClient } from './diagnostics/diagnostics-client';\nexport { registerSdkLoaderMetadata } from './diagnostics/uncaught-sdk-errors';\n\nexport { BaseTransport } from './transports/base';\nexport { FetchTransport } from './transports/fetch';\nexport {\n compressToGzipArrayBuffer,\n isCompressionStreamAvailable,\n MIN_GZIP_UPLOAD_BODY_SIZE_BYTES,\n} from './transports/gzip';\n\nexport { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source } from './remote-config/remote-config';\n\nexport { LogLevel } from './types/loglevel';\nexport { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';\nexport { Storage, IdentityStorageType, CookieStorageConfig } from './types/storage';\nexport { consoleObserver } from './observers/console';\nexport {\n Event,\n IdentifyOperation,\n SpecialEventType,\n IdentifyEvent,\n GroupIdentifyEvent,\n IdentifyUserProperties,\n} from './types/event/event';\nexport { EventOptions, BaseEvent } from './types/event/base-event';\nexport { IngestionMetadata } from './types/event/ingestion-metadata';\nexport { ServerZoneType, ServerZone } from './types/server-zone';\nexport { OfflineDisabled } from './types/offline';\nexport { Plan } from './types/event/plan';\nexport { TransportType, Transport, TransportOptions, TransportTypeOrOptions } from './types/transport';\nexport { Payload } from './types/payload';\nexport { Response } from './types/response';\nexport { UserSession } from './types/user-session';\nexport {\n Plugin,\n BeforePlugin,\n DestinationPlugin,\n EnrichmentPlugin,\n PluginType,\n AnalyticsIdentity,\n} from './types/plugin';\nexport { Result } from './types/result';\nexport {\n ElementInteractionsOptions,\n Messenger,\n ActionType,\n DEFAULT_CSS_SELECTOR_ALLOWLIST,\n DEFAULT_DATA_ATTRIBUTE_PREFIX,\n DEFAULT_ACTION_CLICK_ALLOWLIST,\n DEFAULT_EXPOSURE_DURATION,\n LabeledEvent,\n Trigger,\n DataSource,\n} from './types/element-interactions';\n\nexport {\n FrustrationInteractionsOptions,\n DEFAULT_DEAD_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_ALLOWLIST,\n DEFAULT_ERROR_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_THRESHOLD,\n DEFAULT_RAGE_CLICK_WINDOW_MS,\n DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD,\n DEFAULT_DEAD_CLICK_WINDOW_MS,\n} from './types/frustration-interactions';\nexport { PageTrackingOptions, PageTrackingTrackOn, PageTrackingHistoryChanges } from './types/page-view-tracking';\nexport { FormInteractionsOptions } from './types/form-interactions';\nexport { Status } from './types/status';\n\nexport { NetworkEventCallback, networkObserver } from './observers/network';\nexport { NetworkRequestEvent, IRequestWrapper, JsonObject, JsonValue, JsonArray } from './network-request-event';\nexport { NetworkTrackingOptions, NetworkCaptureRule } from './types/network-tracking';\nexport { SAFE_HEADERS, FORBIDDEN_HEADERS } from './types/constants';\n\nexport { PageUrlEnrichmentOptions } from './types/page-url-enrichment';\nexport { CustomEnrichmentOptions } from './types/custom-enrichment';\nexport { PerformanceTrackingOptions, MainThreadBlockOptions } from './types/performance-tracking';\n\n// Campaign\nexport { Campaign, UTMParameters, ReferrerParameters, ClickIdParameters, ICampaignParser } from './types/campaign';\nexport { EMPTY_VALUE, BASE_CAMPAIGN, MKTG } from './types/constants';\nexport { CampaignParser } from './campaign/campaign-parser';\nexport {\n getPageTitle,\n TEXT_MASK_ATTRIBUTE,\n MASKED_TEXT_VALUE,\n replaceSensitiveString,\n CC_REGEX,\n SSN_REGEX,\n EMAIL_REGEX,\n} from './plugins/helpers';\n\n// Browser\nexport {\n BrowserConfig,\n BrowserOptions,\n DefaultTrackingOptions,\n TrackingOptions,\n TrackingMethod,\n AutocaptureOptions,\n CookieOptions,\n AttributionOptions,\n RemoteConfigOptions,\n} from './types/config/browser-config';\nexport { BrowserClient } from './types/client/browser-client';\n\n// Node\nexport { NodeClient } from './types/client/node-client';\nexport { NodeConfig, NodeOptions } from './types/config/node-config';\n\n// React Native\nexport {\n ReactNativeConfig,\n ReactNativeTrackingOptions,\n ReactNativeOptions,\n ReactNativeAttributionOptions,\n} from './types/config/react-native-config';\nexport { ReactNativeClient } from './types/client/react-native-client';\n\nexport { Observable, asyncMap, merge, multicast, Unsubscribable } from './utils/observable';\n\nexport { InstanceProxy } from './types/proxy';\nexport { safeJsonStringify } from './utils/safe-stringify';\n\n// Messenger (cross-window communication)\nexport type { BaseWindowMessenger, ActionHandler } from './messenger/base-window-messenger';\nexport { getOrCreateWindowMessenger } from './messenger/base-window-messenger';\nexport { enableBackgroundCapture } from './messenger/background-capture';\nexport {\n AMPLITUDE_ORIGIN,\n AMPLITUDE_ORIGIN_EU,\n AMPLITUDE_ORIGIN_STAGING,\n AMPLITUDE_ORIGINS_MAP,\n AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL,\n} from './messenger/constants';\n\nexport { ExcludeInternalReferrersOptions, EXCLUDE_INTERNAL_REFERRERS_CONDITIONS } from './types/config/browser-config';\n\nexport { VideoObserver, State as VideoState, type VideoObserverParams } from './observers/video';\nexport { EmbeddedVideoPlayer, type Vendor as VideoVendor } from './video-analytics/types';\nexport { isChromeExtension } from './utils/environment';\n"]}
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{ AmplitudeCore } from './core-client';\nexport { CoreClient, PluginHost } from './types/client/core-client';\nexport { AnalyticsClient } from './types/client/analytics-client';\nexport { AmplitudeContext } from './types/amplitude-context';\nexport { Identify, IIdentify, ValidPropertyType } from './identify';\nexport { Revenue, IRevenue, RevenueProperty } from './revenue';\nexport { Destination } from './plugins/destination';\nexport { getHeartbeatInstance } from './heartbeat';\nexport { IdentityEventSender } from './plugins/identity';\nexport { Config, RequestMetadata } from './config';\nexport { IConfig } from './types/config/core-config';\nexport { Logger, ILogger, LogConfig } from './logger';\nexport { getGlobalScope } from './global-scope';\nexport { getAnalyticsConnector, setConnectorDeviceId, setConnectorUserId } from './analytics-connector';\nexport { isNewSession } from './session';\nexport { getCookieName, getOldCookieName } from './cookie-name';\nexport { getLanguage } from './language';\nexport { getQueryParams } from './query-params';\n\nexport { returnWrapper, AmplitudeReturn } from './utils/return-wrapper';\nexport { debugWrapper, getClientLogConfig, getClientStates } from './utils/debug';\nexport { UUID } from './utils/uuid';\nexport { createIdentifyEvent } from './utils/event-builder';\nexport { isUrlMatchAllowlist, getDecodeURI } from './utils/url-utils';\nexport { generateHashCode, isTimestampInSample } from './utils/sampling';\nexport { omitUndefined } from './utils/omit-undefined';\n\nexport { MemoryStorage } from './storage/memory';\nexport { CookieStorage, isDomainEqual, decodeCookieValue } from './storage/cookie';\nexport { getStorageKey } from './storage/helpers';\n\nexport { BrowserStorage } from './storage/browser-storage';\n\nexport { DiagnosticsClient, IDiagnosticsClient } from './diagnostics/diagnostics-client';\nexport { registerSdkLoaderMetadata } from './diagnostics/uncaught-sdk-errors';\n\nexport { BaseTransport } from './transports/base';\nexport { FetchTransport } from './transports/fetch';\nexport {\n compressToGzipArrayBuffer,\n isCompressionStreamAvailable,\n MIN_GZIP_UPLOAD_BODY_SIZE_BYTES,\n} from './transports/gzip';\n\nexport {\n RemoteConfigClient,\n IRemoteConfigClient,\n RemoteConfig,\n Source,\n RemoteConfigFetchRequest,\n RemoteConfigCustomFetch,\n} from './remote-config/remote-config';\n\nexport { LogLevel } from './types/loglevel';\nexport { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';\nexport { Storage, IdentityStorageType, CookieStorageConfig } from './types/storage';\nexport { consoleObserver } from './observers/console';\nexport {\n Event,\n IdentifyOperation,\n SpecialEventType,\n IdentifyEvent,\n GroupIdentifyEvent,\n IdentifyUserProperties,\n} from './types/event/event';\nexport { EventOptions, BaseEvent } from './types/event/base-event';\nexport { IngestionMetadata } from './types/event/ingestion-metadata';\nexport { ServerZoneType, ServerZone } from './types/server-zone';\nexport { OfflineDisabled } from './types/offline';\nexport { Plan } from './types/event/plan';\nexport { TransportType, Transport, TransportOptions, TransportTypeOrOptions } from './types/transport';\nexport { Payload } from './types/payload';\nexport { Response } from './types/response';\nexport { UserSession } from './types/user-session';\nexport {\n Plugin,\n BeforePlugin,\n DestinationPlugin,\n EnrichmentPlugin,\n PluginType,\n AnalyticsIdentity,\n} from './types/plugin';\nexport { Result } from './types/result';\nexport {\n ElementInteractionsOptions,\n Messenger,\n ActionType,\n DEFAULT_CSS_SELECTOR_ALLOWLIST,\n DEFAULT_DATA_ATTRIBUTE_PREFIX,\n DEFAULT_ACTION_CLICK_ALLOWLIST,\n DEFAULT_EXPOSURE_DURATION,\n LabeledEvent,\n Trigger,\n DataSource,\n} from './types/element-interactions';\n\nexport {\n FrustrationInteractionsOptions,\n DEFAULT_DEAD_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_ALLOWLIST,\n DEFAULT_ERROR_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_THRESHOLD,\n DEFAULT_RAGE_CLICK_WINDOW_MS,\n DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD,\n DEFAULT_DEAD_CLICK_WINDOW_MS,\n} from './types/frustration-interactions';\nexport { PageTrackingOptions, PageTrackingTrackOn, PageTrackingHistoryChanges } from './types/page-view-tracking';\nexport { FormInteractionsOptions } from './types/form-interactions';\nexport { Status } from './types/status';\n\nexport { NetworkEventCallback, networkObserver } from './observers/network';\nexport { NetworkRequestEvent, IRequestWrapper, JsonObject, JsonValue, JsonArray } from './network-request-event';\nexport { NetworkTrackingOptions, NetworkCaptureRule } from './types/network-tracking';\nexport { SAFE_HEADERS, FORBIDDEN_HEADERS } from './types/constants';\n\nexport { PageUrlEnrichmentOptions } from './types/page-url-enrichment';\nexport { CustomEnrichmentOptions } from './types/custom-enrichment';\nexport { PerformanceTrackingOptions, MainThreadBlockOptions } from './types/performance-tracking';\n\n// Campaign\nexport { Campaign, UTMParameters, ReferrerParameters, ClickIdParameters, ICampaignParser } from './types/campaign';\nexport { EMPTY_VALUE, BASE_CAMPAIGN, MKTG } from './types/constants';\nexport { CampaignParser } from './campaign/campaign-parser';\nexport {\n getPageTitle,\n TEXT_MASK_ATTRIBUTE,\n MASKED_TEXT_VALUE,\n replaceSensitiveString,\n CC_REGEX,\n SSN_REGEX,\n EMAIL_REGEX,\n} from './plugins/helpers';\n\n// Browser\nexport {\n BrowserConfig,\n BrowserOptions,\n DefaultTrackingOptions,\n TrackingOptions,\n TrackingMethod,\n AutocaptureOptions,\n CookieOptions,\n AttributionOptions,\n RemoteConfigOptions,\n} from './types/config/browser-config';\nexport { BrowserClient } from './types/client/browser-client';\n\n// Node\nexport { NodeClient } from './types/client/node-client';\nexport { NodeConfig, NodeOptions } from './types/config/node-config';\n\n// React Native\nexport {\n ReactNativeConfig,\n ReactNativeTrackingOptions,\n ReactNativeOptions,\n ReactNativeAttributionOptions,\n} from './types/config/react-native-config';\nexport { ReactNativeClient } from './types/client/react-native-client';\n\nexport { Observable, asyncMap, merge, multicast, Unsubscribable } from './utils/observable';\n\nexport { InstanceProxy } from './types/proxy';\nexport { safeJsonStringify } from './utils/safe-stringify';\n\n// Messenger (cross-window communication)\nexport type { BaseWindowMessenger, ActionHandler } from './messenger/base-window-messenger';\nexport { getOrCreateWindowMessenger } from './messenger/base-window-messenger';\nexport { enableBackgroundCapture } from './messenger/background-capture';\nexport {\n AMPLITUDE_ORIGIN,\n AMPLITUDE_ORIGIN_EU,\n AMPLITUDE_ORIGIN_STAGING,\n AMPLITUDE_ORIGINS_MAP,\n AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL,\n} from './messenger/constants';\n\nexport { ExcludeInternalReferrersOptions, EXCLUDE_INTERNAL_REFERRERS_CONDITIONS } from './types/config/browser-config';\n\nexport { VideoObserver, State as VideoState, type VideoObserverParams } from './observers/video';\nexport { EmbeddedVideoPlayer, type Vendor as VideoVendor } from './video-analytics/types';\nexport { isChromeExtension } from './utils/environment';\n"]}

+20

-1

lib/cjs/remote-config/remote-config.d.ts

		@@ -22,2 +22,20 @@ import { ServerZoneType } from '../types/server-zone';
		export type Source = 'cache' \| 'remote';
		/**
		* The fully-formed remote-config request handed to a custom transport. Consumers that need to
		* own the network call (e.g. to attach auth headers and route through a proxy) supply a
		* {@link RemoteConfigCustomFetch} via the client constructor; the client builds this request
		* (resolved URL, headers, abort signal) and the callback executes it.
		*/
		export interface RemoteConfigFetchRequest {
		url: string;
		method: 'GET';
		headers: Record<string, string>;
		/** Abort signal the client uses to enforce the fetch timeout; honor it in your fetch call. */
		signal?: AbortSignal;
		}
		/**
		* Custom transport for the remote-config fetch. Must return a `Response`. Retry/backoff stays
		* in the client around this callback, so it is invoked once per attempt.
		*/
		export type RemoteConfigCustomFetch = (request: RemoteConfigFetchRequest) => Promise<Response>;
		export declare const US_SERVER_URL = "https://sr-client-cfg.amplitude.com/config";
		@@ -96,3 +114,4 @@ export declare const EU_SERVER_URL = "https://sr-client-cfg.eu.amplitude.com/config";
		isLastFetchInvalidApiKey: boolean;
		constructor(apiKey: string, logger: ILogger, serverZone?: ServerZoneType, serverUrl?: string);
		readonly customFetch?: RemoteConfigCustomFetch;
		constructor(apiKey: string, logger: ILogger, serverZone?: ServerZoneType, serverUrl?: string, customFetch?: RemoteConfigCustomFetch);
		subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;
		@@ -99,0 +118,0 @@ unsubscribe(id: string): boolean;

+1

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+67

-32

lib/cjs/remote-config/remote-config.js

		@@ -7,2 +7,27 @@ "use strict";
		var uuid_1 = require("../utils/uuid");
		/**
		* Settles with `promise`, but rejects with an AbortError when `signal` fires. The request-timeout
		* signal is handed to customFetch, but a transport that ignores it would block the await (and the
		* retry loop) indefinitely; racing the abort guarantees the client-side timeout always applies.
		* The transport's own promise keeps running — we can't cancel it — we just stop awaiting it.
		*/
		function abortableFetch(promise, signal) {
		return new Promise(function (resolve, reject) {
		var onAbort = function () {
		// Match how a native aborted fetch rejects (name 'AbortError') so fetch()'s catch logs it
		// as a timeout; either way the loop retries since the abort doesn't clear shouldRetry.
		var err = new Error('Remote config custom fetch aborted by timeout');
		err.name = 'AbortError';
		reject(err);
		};
		signal.addEventListener('abort', onAbort, { once: true });
		promise.then(function (value) {
		signal.removeEventListener('abort', onAbort);
		resolve(value);
		}, function (err) {
		signal.removeEventListener('abort', onAbort);
		reject(err);
		});
		});
		}
		exports.US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';
		@@ -27,3 +52,3 @@ exports.EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';
		var RemoteConfigClient = /** @class */ (function () {
		function RemoteConfigClient(apiKey, logger, serverZone, serverUrl) {
		function RemoteConfigClient(apiKey, logger, serverZone, serverUrl, customFetch) {
		if (serverZone === void 0) { serverZone = 'US'; }
		@@ -42,2 +67,3 @@ // Registered callbackInfos by subscribe().
		this.storage = new remote_config_localstorage_1.RemoteConfigLocalStorage(apiKey, logger);
		this.customFetch = customFetch;
		}
		@@ -276,5 +302,5 @@ RemoteConfigClient.prototype.subscribe = function (key, deliveryMode, callback) {
		_loop_1 = function (attempt) {
		var shouldRetry, abortController, timeoutId, res, body, remoteConfig, error_2;
		return tslib_1.__generator(this, function (_b) {
		switch (_b.label) {
		var shouldRetry, abortController, timeoutId, url, headers, res, _b, isSuccess, body, remoteConfig, error_2;
		return tslib_1.__generator(this, function (_c) {
		switch (_c.label) {
		case 0:
		@@ -284,18 +310,27 @@ shouldRetry = true;
		timeoutId = setTimeout(function () { return abortController.abort(); }, timeout);
		_b.label = 1;
		_c.label = 1;
		case 1:
		_b.trys.push([1, 7, 8, 9]);
		return [4 /yield/, fetch(this_1.getUrlParams(), {
		method: 'GET',
		headers: {
		Accept: '/',
		},
		signal: abortController.signal,
		})];
		_c.trys.push([1, 10, 11, 12]);
		url = this_1.getUrlParams();
		headers = { Accept: '/' };
		if (!this_1.customFetch) return [3 /break/, 3];
		return [4 /yield/, abortableFetch(this_1.customFetch({ url: url, method: 'GET', headers: headers, signal: abortController.signal }), abortController.signal)];
		case 2:
		res = _b.sent();
		if (!!res.ok) return [3 /break/, 4];
		_b = _c.sent();
		return [3 /break/, 5];
		case 3: return [4 /yield/, fetch(url, {
		method: 'GET',
		headers: headers,
		signal: abortController.signal,
		})];
		case 4:
		_b = _c.sent();
		_c.label = 5;
		case 5:
		res = _b;
		isSuccess = res.ok \|\| (res.status >= 200 && res.status < 300);
		if (!!isSuccess) return [3 /break/, 7];
		return [4 /yield/, res.text()];
		case 3:
		body = _b.sent();
		case 6:
		body = _c.sent();
		this_1.logger.debug("Remote config client fetch with retry time ".concat(retries, " failed with ").concat(res.status, ": ").concat(body));
		@@ -310,6 +345,6 @@ if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {
		}
		return [3 /break/, 6];
		case 4: return [4 /yield/, res.json()];
		case 5:
		remoteConfig = (_b.sent());
		return [3 /break/, 9];
		case 7: return [4 /yield/, res.json()];
		case 8:
		remoteConfig = (_c.sent());
		return [2 /return/, { value: {
		@@ -319,5 +354,5 @@ remoteConfig: remoteConfig,
		} }];
		case 6: return [3 /break/, 9];
		case 7:
		error_2 = _b.sent();
		case 9: return [3 /break/, 12];
		case 10:
		error_2 = _c.sent();
		// Handle rejects when the request fails, for example, a network error or timeout
		@@ -330,17 +365,17 @@ if (error_2 instanceof Error && error_2.name === 'AbortError') {
		}
		return [3 /break/, 9];
		case 8:
		return [3 /break/, 12];
		case 11:
		// Clear the timeout since request completed or failed
		clearTimeout(timeoutId);
		return [7 /endfinally/];
		case 9:
		case 12:
		if (!shouldRetry) {
		return [2 /return/, "break"];
		}
		if (!(attempt < retries - 1)) return [3 /break/, 11];
		if (!(attempt < retries - 1)) return [3 /break/, 14];
		return [4 /yield/, new Promise(function (resolve) { return setTimeout(resolve, _this.getJitterDelay(interval)); })];
		case 10:
		_b.sent();
		_b.label = 11;
		case 11: return [2 /return/];
		case 13:
		_c.sent();
		_c.label = 14;
		case 14: return [2 /return/];
		}
		@@ -347,0 +382,0 @@ });

+1

-1

lib/cjs/remote-config/remote-config.js.map

		@@ -1,1 +0,1 @@
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{ ServerZoneType } from '../types/server-zone';\nimport { ILogger } from '../logger';\nimport { RemoteConfigLocalStorage } from './remote-config-localstorage';\nimport { UUID } from '../utils/uuid';\n\n/*\n Modes for receiving remote config updates:\n * - `'all'` – Optimized for both speed and freshness. Returns the fastest response first\n * (cache or remote), then always waits for and returns the remote response to ensure\n * the most up-to-date config. Callback may be called once (if remote wins) or twice\n * (cache first, then remote).\n * - `{ timeout: number }` – Prefers remote data but with a fallback strategy. Waits for\n * a remote response until the specified timeout (in milliseconds), then falls back to\n * cached data if available. Callback is called exactly once.\n /\nexport type DeliveryMode = 'all' \| { timeout: number };\n\n/\n Sources of returned remote config:\n * - `cache` - Fetched from local storage.\n * - `remote` - Fetched from remote.\n /\nexport type Source = 'cache' \| 'remote';\n\nexport const US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';\nexport const EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';\nexport const DEFAULT_MAX_RETRIES = 3;\nconst CODE_STATUS = {\n INVALID_API_KEY: 401,\n FORBIDDEN: 403,\n RATE_LIMIT: 429,\n} as const;\n\n/\n The default timeout for fetch in milliseconds.\n * Linear backoff policy: timeout / retry times is the interval between fetch retry.\n /\nconst DEFAULT_TIMEOUT = 1000;\n\n/\n The minimum time between fetches in milliseconds.\n * This prevents too many requests from being sent in a short period of time.\n /\nconst DEFAULT_MIN_TIME_BETWEEN_FETCHES = 5 60 * 1000; // 5 minutes\n\nexport interface RemoteConfig {\n [key: string]: any;\n}\n\nexport interface RemoteConfigInfo {\n remoteConfig: RemoteConfig \| null;\n // Timestamp of when the remote config was fetched.\n lastFetch: Date;\n}\n\nexport interface RemoteConfigStorage {\n /*\n Fetch remote config from storage asynchronously.\n /\n fetchConfig(): Promise<RemoteConfigInfo>;\n\n /\n Set remote config to storage asynchronously.\n /\n setConfig(config: RemoteConfigInfo): Promise<boolean>;\n}\n\n/\n Information about each callback registered by `RemoteConfigClient.subscribe()`,\n * managed internally by `RemoteConfigClient`.\n /\nexport interface CallbackInfo {\n id: string;\n key?: string;\n deliveryMode: DeliveryMode;\n callback: RemoteConfigCallback;\n lastCallback?: Date;\n}\n\n/\n Callback used in `RemoteConfigClient.subscribe()`.\n * This function is called when the remote config is fetched.\n /\ntype RemoteConfigCallback = (remoteConfig: RemoteConfig \| null, source: Source, lastFetch: Date) => void;\n\nexport interface IRemoteConfigClient {\n /\n Subscribe for updates to remote config.\n * Callback is guaranteed to be called at least once,\n * Whether we are able to fetch a config or not.\n \n @param key - a string containing a series of period delimited keys to filter the returned config.\n * Ie, {a: {b: {c: ...}}} would return {b: {c: ...}} for \"a\" or {c: ...} for \"a.b\".\n * Set to `undefined` to subscribe all keys.\n * @param deliveryMode - how the initial callback is sent.\n * @param callback - a block that will be called when remote config is fetched.\n * @return id - identification of the subscribe and can be used to unsubscribe from updates.\n /\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;\n\n /\n Unsubscribe a callback from receiving future updates.\n \n @param id - identification of the callback that you want to unsubscribe.\n * It's the return value of subscribe().\n * @return boolean - whether the callback is removed.\n /\n unsubscribe(id: string): boolean;\n\n /\n Request the remote config client to fetch from remote, update cache, and callback.\n /\n updateConfigs(): void;\n}\n\nexport class RemoteConfigClient implements IRemoteConfigClient {\n static readonly CONFIG_GROUP = 'browser';\n\n readonly apiKey: string;\n readonly serverUrl: string;\n readonly logger: ILogger;\n readonly storage: RemoteConfigStorage;\n // Registered callbackInfos by subscribe().\n callbackInfos: CallbackInfo[] = [];\n // Track the last successful fetch time for throttling (timestamp in milliseconds).\n lastSuccessfulFetch: number \| null = null;\n // Store the in-flight fetch promise for deduplication.\n fetchPromise: Promise<RemoteConfigInfo> \| null = null;\n // Used to skip periodic updateConfigs calls when API key is invalid.\n isLastFetchInvalidApiKey = false;\n\n constructor(apiKey: string, logger: ILogger, serverZone: ServerZoneType = 'US', serverUrl?: string) {\n this.apiKey = apiKey;\n this.serverUrl = serverUrl \|\| (serverZone === 'US' ? US_SERVER_URL : EU_SERVER_URL);\n this.logger = logger;\n this.storage = new RemoteConfigLocalStorage(apiKey, logger);\n }\n\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string {\n const id = UUID();\n const callbackInfo = {\n id: id,\n key: key,\n deliveryMode: deliveryMode,\n callback: callback,\n };\n this.callbackInfos.push(callbackInfo);\n\n if (deliveryMode === 'all') {\n void this.subscribeAll(callbackInfo);\n } else {\n void this.subscribeWaitForRemote(callbackInfo, deliveryMode.timeout);\n }\n\n return id;\n }\n\n unsubscribe(id: string): boolean {\n const index = this.callbackInfos.findIndex((callbackInfo) => callbackInfo.id === id);\n if (index === -1) {\n this.logger.debug(`Remote config client unsubscribe failed because callback with id ${id} doesn't exist.`);\n return false;\n }\n\n this.callbackInfos.splice(index, 1);\n this.logger.debug(`Remote config client unsubscribe succeeded removing callback with id ${id}.`);\n return true;\n }\n\n async updateConfigs() {\n // Check if we need to throttle based on last successful fetch time\n if (this.lastSuccessfulFetch) {\n const timeSinceLastFetch = Date.now() - this.lastSuccessfulFetch;\n if (timeSinceLastFetch < DEFAULT_MIN_TIME_BETWEEN_FETCHES) {\n this.logger.debug('Remote config client skipping updateConfigs: Too recent');\n return;\n }\n }\n\n const result = await this.getOrCreateFetchPromise();\n void this.storage.setConfig(result);\n this.callbackInfos.forEach((callbackInfo) => {\n this.sendCallback(callbackInfo, result, 'remote');\n });\n }\n\n /\n Get the in-flight fetch promise or create a new one.\n * This ensures multiple subscribe calls share the same network request.\n /\n getOrCreateFetchPromise(): Promise<RemoteConfigInfo> {\n if (this.fetchPromise) {\n return this.fetchPromise;\n }\n\n if (this.isLastFetchInvalidApiKey) {\n this.logger.debug('Remote config client skipping fetch: Invalid API key');\n this.fetchPromise = Promise.resolve({\n remoteConfig: null,\n lastFetch: new Date(),\n }).finally(() => {\n this.fetchPromise = null;\n });\n return this.fetchPromise;\n }\n\n this.fetchPromise = this.fetch()\n .then((result) => {\n // Update last successful fetch time if we got a valid config\n if (result.remoteConfig !== null) {\n this.lastSuccessfulFetch = Date.now();\n }\n return result;\n })\n .finally(() => {\n // Clear the promise after it settles (success or failure)\n this.fetchPromise = null;\n });\n\n return this.fetchPromise;\n }\n\n /\n Send remote first. If it's already complete, we can skip the cached response.\n * - if remote is fetched first, no cache fetch.\n * - if cache is fetched first, still fetching remote.\n /\n async subscribeAll(callbackInfo: CallbackInfo) {\n const remotePromise = this.getOrCreateFetchPromise().then((result) => {\n this.logger.debug(`Remote config client subscription all mode fetched from remote: ${JSON.stringify(result)}`);\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n });\n\n const cachePromise = this.storage.fetchConfig().then((result) => {\n return result;\n });\n\n // Wait for the first result to resolve\n const result = await Promise.race([remotePromise, cachePromise]);\n\n // If cache is fetched first, wait for remote.\n if (result !== undefined) {\n this.logger.debug(`Remote config client subscription all mode fetched from cache: ${JSON.stringify(result)}`);\n // Skip sending callback if cache is empty (first time user).\n if (result.remoteConfig !== null) {\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client skips sending callback because cache is empty (first time user).');\n }\n }\n await remotePromise;\n }\n\n /\n Waits for a remote response until the given timeout, then return a cached copy, if available.\n /\n async subscribeWaitForRemote(callbackInfo: CallbackInfo, timeout: number) {\n const timeoutPromise = new Promise((_, reject) => {\n setTimeout(() => {\n reject('Timeout exceeded');\n }, timeout);\n });\n\n try {\n const result: RemoteConfigInfo = (await Promise.race([\n this.getOrCreateFetchPromise(),\n timeoutPromise,\n ])) as RemoteConfigInfo;\n\n this.logger.debug('Remote config client subscription wait for remote mode returns from remote.');\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n } catch (error) {\n this.logger.debug(\n 'Remote config client subscription wait for remote mode exceeded timeout. Try to fetch from cache.',\n );\n const result = await this.storage.fetchConfig();\n if (result.remoteConfig !== null) {\n this.logger.debug('Remote config client subscription wait for remote mode returns a cached copy.');\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client subscription wait for remote mode failed to fetch cache.');\n this.sendCallback(callbackInfo, result, 'remote');\n }\n }\n }\n\n /\n Call the callback with filtered remote config based on key.\n * @param remoteConfigInfo - the whole remote config object without filtering by key.\n /\n sendCallback(callbackInfo: CallbackInfo, remoteConfigInfo: RemoteConfigInfo, source: Source) {\n callbackInfo.lastCallback = new Date();\n\n let filteredConfig: RemoteConfig \| null;\n if (callbackInfo.key) {\n // Filter remote config by key.\n // For example, if remote config is {a: {b: {c: 1}}},\n // if key = 'a', filter result is {b: {c: 1}};\n // if key = 'a.b', filter result is {c: 1}\n filteredConfig = callbackInfo.key.split('.').reduce((config, key) => {\n if (config === null) {\n return config;\n }\n\n return key in config ? (config[key] as RemoteConfig) : null;\n }, remoteConfigInfo.remoteConfig);\n } else {\n filteredConfig = remoteConfigInfo.remoteConfig;\n }\n\n callbackInfo.callback(filteredConfig, source, remoteConfigInfo.lastFetch);\n }\n\n /\n Fetch remote config from remote.\n * @param retries - the number of retries. default is 3.\n * @param timeout - the timeout in milliseconds. Default is 1000.\n * This timeout serves two purposes:\n * 1. It determines how long to wait for each remote config fetch request before aborting it.\n * If the fetch does not complete within the specified timeout, the request is cancelled using AbortController,\n * and the attempt is considered failed (and may be retried if retries remain).\n * 2. It is also used to calculate the interval between retries. The total timeout is divided by the number of retries,\n * so each retry waits for (timeout / retries) milliseconds before the next attempt (linear backoff).\n * Retry behavior by status code:\n * - 401: invalid API key (stop retries and disable future updateConfigs calls).\n * - 429: retry up to max retries.\n * - other 4xx: no retry.\n * - 5xx and network failures: retry up to max retries.\n * @returns the remote config info. null if failed to fetch or the response is not valid JSON.\n /\n async fetch(retries: number = DEFAULT_MAX_RETRIES, timeout: number = DEFAULT_TIMEOUT): Promise<RemoteConfigInfo> {\n const interval = timeout / retries;\n const failedRemoteConfigInfo: RemoteConfigInfo = {\n remoteConfig: null,\n lastFetch: new Date(),\n };\n\n for (let attempt = 0; attempt < retries; attempt++) {\n let shouldRetry = true;\n // Create AbortController for request timeout\n const abortController = new AbortController();\n const timeoutId = setTimeout(() => abortController.abort(), timeout);\n\n try {\n const res = await fetch(this.getUrlParams(), {\n method: 'GET',\n headers: {\n Accept: '/',\n },\n signal: abortController.signal,\n });\n\n // Handle unsuccessful fetch\n if (!res.ok) {\n const body = await res.text();\n this.logger.debug(`Remote config client fetch with retry time ${retries} failed with ${res.status}: ${body}`);\n\n if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {\n this.logger.error(\n `Remote config client fetch failed with ${res.status}. Invalid API key; future fetches will be skipped.`,\n );\n this.isLastFetchInvalidApiKey = true;\n shouldRetry = false;\n } else if (res.status >= 400 && res.status < 500 && res.status !== CODE_STATUS.RATE_LIMIT) {\n shouldRetry = false;\n }\n } else {\n // Handle successful fetch\n const remoteConfig: RemoteConfig = (await res.json()) as RemoteConfig;\n return {\n remoteConfig: remoteConfig,\n lastFetch: new Date(),\n };\n }\n } catch (error) {\n // Handle rejects when the request fails, for example, a network error or timeout\n if (error instanceof Error && error.name === 'AbortError') {\n this.logger.debug(`Remote config client fetch with retry time ${retries} timed out after ${timeout}ms`);\n } else {\n this.logger.debug(`Remote config client fetch with retry time ${retries} is rejected because: `, error);\n }\n } finally {\n // Clear the timeout since request completed or failed\n clearTimeout(timeoutId);\n }\n\n if (!shouldRetry) {\n break;\n }\n\n // Linear backoff:\n // wait for the specified interval before the next attempt\n // except after the last attempt.\n if (attempt < retries - 1) {\n await new Promise((resolve) => setTimeout(resolve, this.getJitterDelay(interval)));\n }\n }\n\n return failedRemoteConfigInfo;\n }\n\n /\n Return jitter in the bound of [0,baseDelay) and then floor round.\n /\n getJitterDelay(baseDelay: number): number {\n return Math.floor(Math.random() baseDelay);\n }\n\n getUrlParams(): string {\n // URL encode the API key to handle special characters\n const encodedApiKey = encodeURIComponent(this.apiKey);\n\n const urlParams = new URLSearchParams();\n urlParams.append('config_group', RemoteConfigClient.CONFIG_GROUP);\n\n return `${this.serverUrl}/${encodedApiKey}?${urlParams.toString()}`;\n }\n}\n"]}
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{ ServerZoneType } from '../types/server-zone';\nimport { ILogger } from '../logger';\nimport { RemoteConfigLocalStorage } from './remote-config-localstorage';\nimport { UUID } from '../utils/uuid';\n\n/*\n Modes for receiving remote config updates:\n * - `'all'` – Optimized for both speed and freshness. Returns the fastest response first\n * (cache or remote), then always waits for and returns the remote response to ensure\n * the most up-to-date config. Callback may be called once (if remote wins) or twice\n * (cache first, then remote).\n * - `{ timeout: number }` – Prefers remote data but with a fallback strategy. Waits for\n * a remote response until the specified timeout (in milliseconds), then falls back to\n * cached data if available. Callback is called exactly once.\n /\nexport type DeliveryMode = 'all' \| { timeout: number };\n\n/\n Sources of returned remote config:\n * - `cache` - Fetched from local storage.\n * - `remote` - Fetched from remote.\n /\nexport type Source = 'cache' \| 'remote';\n\n/\n The fully-formed remote-config request handed to a custom transport. Consumers that need to\n * own the network call (e.g. to attach auth headers and route through a proxy) supply a\n * {@link RemoteConfigCustomFetch} via the client constructor; the client builds this request\n * (resolved URL, headers, abort signal) and the callback executes it.\n /\nexport interface RemoteConfigFetchRequest {\n url: string;\n method: 'GET';\n headers: Record<string, string>;\n /* Abort signal the client uses to enforce the fetch timeout; honor it in your fetch call. /\n signal?: AbortSignal;\n}\n\n/\n Custom transport for the remote-config fetch. Must return a `Response`. Retry/backoff stays\n * in the client around this callback, so it is invoked once per attempt.\n /\nexport type RemoteConfigCustomFetch = (request: RemoteConfigFetchRequest) => Promise<Response>;\n\n/\n Settles with `promise`, but rejects with an AbortError when `signal` fires. The request-timeout\n * signal is handed to customFetch, but a transport that ignores it would block the await (and the\n * retry loop) indefinitely; racing the abort guarantees the client-side timeout always applies.\n * The transport's own promise keeps running — we can't cancel it — we just stop awaiting it.\n /\nfunction abortableFetch(promise: Promise<Response>, signal: AbortSignal): Promise<Response> {\n return new Promise<Response>((resolve, reject) => {\n const onAbort = () => {\n // Match how a native aborted fetch rejects (name 'AbortError') so fetch()'s catch logs it\n // as a timeout; either way the loop retries since the abort doesn't clear shouldRetry.\n const err = new Error('Remote config custom fetch aborted by timeout');\n err.name = 'AbortError';\n reject(err);\n };\n signal.addEventListener('abort', onAbort, { once: true });\n promise.then(\n (value) => {\n signal.removeEventListener('abort', onAbort);\n resolve(value);\n },\n (err) => {\n signal.removeEventListener('abort', onAbort);\n reject(err);\n },\n );\n });\n}\n\nexport const US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';\nexport const EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';\nexport const DEFAULT_MAX_RETRIES = 3;\nconst CODE_STATUS = {\n INVALID_API_KEY: 401,\n FORBIDDEN: 403,\n RATE_LIMIT: 429,\n} as const;\n\n/\n The default timeout for fetch in milliseconds.\n * Linear backoff policy: timeout / retry times is the interval between fetch retry.\n /\nconst DEFAULT_TIMEOUT = 1000;\n\n/\n The minimum time between fetches in milliseconds.\n * This prevents too many requests from being sent in a short period of time.\n /\nconst DEFAULT_MIN_TIME_BETWEEN_FETCHES = 5 60 * 1000; // 5 minutes\n\nexport interface RemoteConfig {\n [key: string]: any;\n}\n\nexport interface RemoteConfigInfo {\n remoteConfig: RemoteConfig \| null;\n // Timestamp of when the remote config was fetched.\n lastFetch: Date;\n}\n\nexport interface RemoteConfigStorage {\n /*\n Fetch remote config from storage asynchronously.\n /\n fetchConfig(): Promise<RemoteConfigInfo>;\n\n /\n Set remote config to storage asynchronously.\n /\n setConfig(config: RemoteConfigInfo): Promise<boolean>;\n}\n\n/\n Information about each callback registered by `RemoteConfigClient.subscribe()`,\n * managed internally by `RemoteConfigClient`.\n /\nexport interface CallbackInfo {\n id: string;\n key?: string;\n deliveryMode: DeliveryMode;\n callback: RemoteConfigCallback;\n lastCallback?: Date;\n}\n\n/\n Callback used in `RemoteConfigClient.subscribe()`.\n * This function is called when the remote config is fetched.\n /\ntype RemoteConfigCallback = (remoteConfig: RemoteConfig \| null, source: Source, lastFetch: Date) => void;\n\nexport interface IRemoteConfigClient {\n /\n Subscribe for updates to remote config.\n * Callback is guaranteed to be called at least once,\n * Whether we are able to fetch a config or not.\n \n @param key - a string containing a series of period delimited keys to filter the returned config.\n * Ie, {a: {b: {c: ...}}} would return {b: {c: ...}} for \"a\" or {c: ...} for \"a.b\".\n * Set to `undefined` to subscribe all keys.\n * @param deliveryMode - how the initial callback is sent.\n * @param callback - a block that will be called when remote config is fetched.\n * @return id - identification of the subscribe and can be used to unsubscribe from updates.\n /\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;\n\n /\n Unsubscribe a callback from receiving future updates.\n \n @param id - identification of the callback that you want to unsubscribe.\n * It's the return value of subscribe().\n * @return boolean - whether the callback is removed.\n /\n unsubscribe(id: string): boolean;\n\n /\n Request the remote config client to fetch from remote, update cache, and callback.\n /\n updateConfigs(): void;\n}\n\nexport class RemoteConfigClient implements IRemoteConfigClient {\n static readonly CONFIG_GROUP = 'browser';\n\n readonly apiKey: string;\n readonly serverUrl: string;\n readonly logger: ILogger;\n readonly storage: RemoteConfigStorage;\n // Registered callbackInfos by subscribe().\n callbackInfos: CallbackInfo[] = [];\n // Track the last successful fetch time for throttling (timestamp in milliseconds).\n lastSuccessfulFetch: number \| null = null;\n // Store the in-flight fetch promise for deduplication.\n fetchPromise: Promise<RemoteConfigInfo> \| null = null;\n // Used to skip periodic updateConfigs calls when API key is invalid.\n isLastFetchInvalidApiKey = false;\n // Optional custom transport. When provided, it replaces the internal fetch for the config GET\n // (e.g. to attach auth and route through a proxy). Retry stays in the client around it.\n readonly customFetch?: RemoteConfigCustomFetch;\n\n constructor(\n apiKey: string,\n logger: ILogger,\n serverZone: ServerZoneType = 'US',\n serverUrl?: string,\n customFetch?: RemoteConfigCustomFetch,\n ) {\n this.apiKey = apiKey;\n this.serverUrl = serverUrl \|\| (serverZone === 'US' ? US_SERVER_URL : EU_SERVER_URL);\n this.logger = logger;\n this.storage = new RemoteConfigLocalStorage(apiKey, logger);\n this.customFetch = customFetch;\n }\n\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string {\n const id = UUID();\n const callbackInfo = {\n id: id,\n key: key,\n deliveryMode: deliveryMode,\n callback: callback,\n };\n this.callbackInfos.push(callbackInfo);\n\n if (deliveryMode === 'all') {\n void this.subscribeAll(callbackInfo);\n } else {\n void this.subscribeWaitForRemote(callbackInfo, deliveryMode.timeout);\n }\n\n return id;\n }\n\n unsubscribe(id: string): boolean {\n const index = this.callbackInfos.findIndex((callbackInfo) => callbackInfo.id === id);\n if (index === -1) {\n this.logger.debug(`Remote config client unsubscribe failed because callback with id ${id} doesn't exist.`);\n return false;\n }\n\n this.callbackInfos.splice(index, 1);\n this.logger.debug(`Remote config client unsubscribe succeeded removing callback with id ${id}.`);\n return true;\n }\n\n async updateConfigs() {\n // Check if we need to throttle based on last successful fetch time\n if (this.lastSuccessfulFetch) {\n const timeSinceLastFetch = Date.now() - this.lastSuccessfulFetch;\n if (timeSinceLastFetch < DEFAULT_MIN_TIME_BETWEEN_FETCHES) {\n this.logger.debug('Remote config client skipping updateConfigs: Too recent');\n return;\n }\n }\n\n const result = await this.getOrCreateFetchPromise();\n void this.storage.setConfig(result);\n this.callbackInfos.forEach((callbackInfo) => {\n this.sendCallback(callbackInfo, result, 'remote');\n });\n }\n\n /\n Get the in-flight fetch promise or create a new one.\n * This ensures multiple subscribe calls share the same network request.\n /\n getOrCreateFetchPromise(): Promise<RemoteConfigInfo> {\n if (this.fetchPromise) {\n return this.fetchPromise;\n }\n\n if (this.isLastFetchInvalidApiKey) {\n this.logger.debug('Remote config client skipping fetch: Invalid API key');\n this.fetchPromise = Promise.resolve({\n remoteConfig: null,\n lastFetch: new Date(),\n }).finally(() => {\n this.fetchPromise = null;\n });\n return this.fetchPromise;\n }\n\n this.fetchPromise = this.fetch()\n .then((result) => {\n // Update last successful fetch time if we got a valid config\n if (result.remoteConfig !== null) {\n this.lastSuccessfulFetch = Date.now();\n }\n return result;\n })\n .finally(() => {\n // Clear the promise after it settles (success or failure)\n this.fetchPromise = null;\n });\n\n return this.fetchPromise;\n }\n\n /\n Send remote first. If it's already complete, we can skip the cached response.\n * - if remote is fetched first, no cache fetch.\n * - if cache is fetched first, still fetching remote.\n /\n async subscribeAll(callbackInfo: CallbackInfo) {\n const remotePromise = this.getOrCreateFetchPromise().then((result) => {\n this.logger.debug(`Remote config client subscription all mode fetched from remote: ${JSON.stringify(result)}`);\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n });\n\n const cachePromise = this.storage.fetchConfig().then((result) => {\n return result;\n });\n\n // Wait for the first result to resolve\n const result = await Promise.race([remotePromise, cachePromise]);\n\n // If cache is fetched first, wait for remote.\n if (result !== undefined) {\n this.logger.debug(`Remote config client subscription all mode fetched from cache: ${JSON.stringify(result)}`);\n // Skip sending callback if cache is empty (first time user).\n if (result.remoteConfig !== null) {\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client skips sending callback because cache is empty (first time user).');\n }\n }\n await remotePromise;\n }\n\n /\n Waits for a remote response until the given timeout, then return a cached copy, if available.\n /\n async subscribeWaitForRemote(callbackInfo: CallbackInfo, timeout: number) {\n const timeoutPromise = new Promise((_, reject) => {\n setTimeout(() => {\n reject('Timeout exceeded');\n }, timeout);\n });\n\n try {\n const result: RemoteConfigInfo = (await Promise.race([\n this.getOrCreateFetchPromise(),\n timeoutPromise,\n ])) as RemoteConfigInfo;\n\n this.logger.debug('Remote config client subscription wait for remote mode returns from remote.');\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n } catch (error) {\n this.logger.debug(\n 'Remote config client subscription wait for remote mode exceeded timeout. Try to fetch from cache.',\n );\n const result = await this.storage.fetchConfig();\n if (result.remoteConfig !== null) {\n this.logger.debug('Remote config client subscription wait for remote mode returns a cached copy.');\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client subscription wait for remote mode failed to fetch cache.');\n this.sendCallback(callbackInfo, result, 'remote');\n }\n }\n }\n\n /\n Call the callback with filtered remote config based on key.\n * @param remoteConfigInfo - the whole remote config object without filtering by key.\n /\n sendCallback(callbackInfo: CallbackInfo, remoteConfigInfo: RemoteConfigInfo, source: Source) {\n callbackInfo.lastCallback = new Date();\n\n let filteredConfig: RemoteConfig \| null;\n if (callbackInfo.key) {\n // Filter remote config by key.\n // For example, if remote config is {a: {b: {c: 1}}},\n // if key = 'a', filter result is {b: {c: 1}};\n // if key = 'a.b', filter result is {c: 1}\n filteredConfig = callbackInfo.key.split('.').reduce((config, key) => {\n if (config === null) {\n return config;\n }\n\n return key in config ? (config[key] as RemoteConfig) : null;\n }, remoteConfigInfo.remoteConfig);\n } else {\n filteredConfig = remoteConfigInfo.remoteConfig;\n }\n\n callbackInfo.callback(filteredConfig, source, remoteConfigInfo.lastFetch);\n }\n\n /\n Fetch remote config from remote.\n * @param retries - the number of retries. default is 3.\n * @param timeout - the timeout in milliseconds. Default is 1000.\n * This timeout serves two purposes:\n * 1. It determines how long to wait for each remote config fetch request before aborting it.\n * If the fetch does not complete within the specified timeout, the request is cancelled using AbortController,\n * and the attempt is considered failed (and may be retried if retries remain).\n * 2. It is also used to calculate the interval between retries. The total timeout is divided by the number of retries,\n * so each retry waits for (timeout / retries) milliseconds before the next attempt (linear backoff).\n * Retry behavior by status code:\n * - 401: invalid API key (stop retries and disable future updateConfigs calls).\n * - 429: retry up to max retries.\n * - other 4xx: no retry.\n * - 5xx and network failures: retry up to max retries.\n * @returns the remote config info. null if failed to fetch or the response is not valid JSON.\n /\n async fetch(retries: number = DEFAULT_MAX_RETRIES, timeout: number = DEFAULT_TIMEOUT): Promise<RemoteConfigInfo> {\n const interval = timeout / retries;\n const failedRemoteConfigInfo: RemoteConfigInfo = {\n remoteConfig: null,\n lastFetch: new Date(),\n };\n\n for (let attempt = 0; attempt < retries; attempt++) {\n let shouldRetry = true;\n // Create AbortController for request timeout\n const abortController = new AbortController();\n const timeoutId = setTimeout(() => abortController.abort(), timeout);\n\n try {\n const url = this.getUrlParams();\n const headers: Record<string, string> = { Accept: '/' };\n // When a custom transport is configured, hand it the fully-formed request and let it own\n // the network call; otherwise use the built-in fetch. Retry/response handling is identical.\n // The built-in fetch cancels directly on the signal; the custom transport can't be\n // cancelled, so race it against the abort (abortableFetch) to enforce the timeout even if\n // the transport ignores the signal — otherwise a hung transport would block every retry.\n const res = this.customFetch\n ? await abortableFetch(\n this.customFetch({ url, method: 'GET', headers, signal: abortController.signal }),\n abortController.signal,\n )\n : await fetch(url, {\n method: 'GET',\n headers,\n signal: abortController.signal,\n });\n\n // Treat a 2xx status as success even when `res.ok` is absent. A custom transport may return\n // a Response-like object that sets `status`/`text()`/`json()` but not `ok` (e.g. an axios\n // adapter); falling back to the status range keeps the config path consistent with the\n // event-upload path while still honoring native fetch's `ok`.\n const isSuccess = res.ok \|\| (res.status >= 200 && res.status < 300);\n // Handle unsuccessful fetch\n if (!isSuccess) {\n const body = await res.text();\n this.logger.debug(`Remote config client fetch with retry time ${retries} failed with ${res.status}: ${body}`);\n\n if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {\n this.logger.error(\n `Remote config client fetch failed with ${res.status}. Invalid API key; future fetches will be skipped.`,\n );\n this.isLastFetchInvalidApiKey = true;\n shouldRetry = false;\n } else if (res.status >= 400 && res.status < 500 && res.status !== CODE_STATUS.RATE_LIMIT) {\n shouldRetry = false;\n }\n } else {\n // Handle successful fetch\n const remoteConfig: RemoteConfig = (await res.json()) as RemoteConfig;\n return {\n remoteConfig: remoteConfig,\n lastFetch: new Date(),\n };\n }\n } catch (error) {\n // Handle rejects when the request fails, for example, a network error or timeout\n if (error instanceof Error && error.name === 'AbortError') {\n this.logger.debug(`Remote config client fetch with retry time ${retries} timed out after ${timeout}ms`);\n } else {\n this.logger.debug(`Remote config client fetch with retry time ${retries} is rejected because: `, error);\n }\n } finally {\n // Clear the timeout since request completed or failed\n clearTimeout(timeoutId);\n }\n\n if (!shouldRetry) {\n break;\n }\n\n // Linear backoff:\n // wait for the specified interval before the next attempt\n // except after the last attempt.\n if (attempt < retries - 1) {\n await new Promise((resolve) => setTimeout(resolve, this.getJitterDelay(interval)));\n }\n }\n\n return failedRemoteConfigInfo;\n }\n\n /\n Return jitter in the bound of [0,baseDelay) and then floor round.\n /\n getJitterDelay(baseDelay: number): number {\n return Math.floor(Math.random() baseDelay);\n }\n\n getUrlParams(): string {\n // URL encode the API key to handle special characters\n const encodedApiKey = encodeURIComponent(this.apiKey);\n\n const urlParams = new URLSearchParams();\n urlParams.append('config_group', RemoteConfigClient.CONFIG_GROUP);\n\n return `${this.serverUrl}/${encodedApiKey}?${urlParams.toString()}`;\n }\n}\n"]}

+5

-0

lib/cjs/types/event/base-event.d.ts

		import { Plan } from './plan';
		import { IngestionMetadataEventProperty } from './ingestion-metadata';
		export interface Delay {
		id: string;
		timeout?: number;
		}
		export interface BaseEvent extends EventOptions {
		@@ -63,3 +67,4 @@ event_type: string;
		} \| undefined;
		delay?: Delay;
		}
		//# sourceMappingURL=base-event.d.ts.map

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lib/cjs/types/event/base-event.js.map

		@@ -1,1 +0,1 @@
		{"version":3,"file":"base-event.js","sourceRoot":"","sources":["../../../../src/types/event/base-event.ts"],"names":[],"mappings":"","sourcesContent":["import { Plan } from './plan';\nimport { IngestionMetadataEventProperty } from './ingestion-metadata';\n\nexport interface BaseEvent extends EventOptions {\n event_type: string;\n event_properties?: { [key: string]: any } \| undefined;\n user_properties?: { [key: string]: any } \| undefined;\n group_properties?: { [key: string]: any } \| undefined;\n}\n\nexport interface EventOptions {\n user_id?: string;\n device_id?: string;\n time?: number;\n location_lat?: number;\n location_lng?: number;\n app_version?: string;\n version_name?: string;\n library?: string;\n platform?: string;\n os_name?: string;\n os_version?: string;\n device_brand?: string;\n device_manufacturer?: string;\n device_model?: string;\n carrier?: string;\n country?: string;\n region?: string;\n city?: string;\n dma?: string;\n idfa?: string;\n idfv?: string;\n adid?: string;\n android_id?: string;\n language?: string;\n ip?: string;\n price?: number;\n quantity?: number;\n revenue?: number;\n receipt?: string;\n receiptSig?: string;\n productId?: string;\n revenueType?: string;\n currency?: string;\n event_id?: number;\n session_id?: number;\n insert_id?: string;\n plan?: Plan;\n ingestion_metadata?: IngestionMetadataEventProperty;\n partner_id?: string;\n user_agent?: string;\n android_app_set_id?: string;\n extra?: { [key: string]: any };\n groups?: { [key: string]: any } \| undefined;\n}\n"]}
		{"version":3,"file":"base-event.js","sourceRoot":"","sources":["../../../../src/types/event/base-event.ts"],"names":[],"mappings":"","sourcesContent":["import { Plan } from './plan';\nimport { IngestionMetadataEventProperty } from './ingestion-metadata';\n\nexport interface Delay {\n id: string;\n timeout?: number;\n}\n\nexport interface BaseEvent extends EventOptions {\n event_type: string;\n event_properties?: { [key: string]: any } \| undefined;\n user_properties?: { [key: string]: any } \| undefined;\n group_properties?: { [key: string]: any } \| undefined;\n}\n\nexport interface EventOptions {\n user_id?: string;\n device_id?: string;\n time?: number;\n location_lat?: number;\n location_lng?: number;\n app_version?: string;\n version_name?: string;\n library?: string;\n platform?: string;\n os_name?: string;\n os_version?: string;\n device_brand?: string;\n device_manufacturer?: string;\n device_model?: string;\n carrier?: string;\n country?: string;\n region?: string;\n city?: string;\n dma?: string;\n idfa?: string;\n idfv?: string;\n adid?: string;\n android_id?: string;\n language?: string;\n ip?: string;\n price?: number;\n quantity?: number;\n revenue?: number;\n receipt?: string;\n receiptSig?: string;\n productId?: string;\n revenueType?: string;\n currency?: string;\n event_id?: number;\n session_id?: number;\n insert_id?: string;\n plan?: Plan;\n ingestion_metadata?: IngestionMetadataEventProperty;\n partner_id?: string;\n user_agent?: string;\n android_app_set_id?: string;\n extra?: { [key: string]: any };\n groups?: { [key: string]: any } \| undefined;\n delay?: Delay;\n}\n"]}

+2

-1

lib/esm/index.d.ts

		@@ -8,2 +8,3 @@ export { AmplitudeCore } from './core-client';
		export { Destination } from './plugins/destination';
		export { getHeartbeatInstance } from './heartbeat';
		export { IdentityEventSender } from './plugins/identity';
		@@ -35,3 +36,3 @@ export { Config, RequestMetadata } from './config';
		export { compressToGzipArrayBuffer, isCompressionStreamAvailable, MIN_GZIP_UPLOAD_BODY_SIZE_BYTES, } from './transports/gzip';
		export { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source } from './remote-config/remote-config';
		export { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source, RemoteConfigFetchRequest, RemoteConfigCustomFetch, } from './remote-config/remote-config';
		export { LogLevel } from './types/loglevel';
		@@ -38,0 +39,0 @@ export { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';

+1

-1

lib/esm/index.d.ts.map

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		{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,aAAa,EAAE,MAAM,eAAe,CAAC;AAC9C,OAAO,EAAE,UAAU,EAAE,UAAU,EAAE,MAAM,4BAA4B,CAAC;AACpE,OAAO,EAAE,eAAe,EAAE,MAAM,iCAAiC,CAAC;AAClE,OAAO,EAAE,gBAAgB,EAAE,MAAM,2BAA2B,CAAC;AAC7D,OAAO,EAAE,QAAQ,EAAE,SAAS,EAAE,iBAAiB,EAAE,MAAM,YAAY,CAAC;AACpE,OAAO,EAAE,OAAO,EAAE,QAAQ,EAAE,eAAe,EAAE,MAAM,WAAW,CAAC;AAC/D,OAAO,EAAE,WAAW,EAAE,MAAM,uBAAuB,CAAC;AACpD,OAAO,EAAE,oBAAoB,EAAE,MAAM,aAAa,CAAC;AACnD,OAAO,EAAE,mBAAmB,EAAE,MAAM,oBAAoB,CAAC;AACzD,OAAO,EAAE,MAAM,EAAE,eAAe,EAAE,MAAM,UAAU,CAAC;AACnD,OAAO,EAAE,OAAO,EAAE,MAAM,4BAA4B,CAAC;AACrD,OAAO,EAAE,MAAM,EAAE,OAAO,EAAE,SAAS,EAAE,MAAM,UAAU,CAAC;AACtD,OAAO,EAAE,cAAc,EAAE,MAAM,gBAAgB,CAAC;AAChD,OAAO,EAAE,qBAAqB,EAAE,oBAAoB,EAAE,kBAAkB,EAAE,MAAM,uBAAuB,CAAC;AACxG,OAAO,EAAE,YAAY,EAAE,MAAM,WAAW,CAAC;AACzC,OAAO,EAAE,aAAa,EAAE,gBAAgB,EAAE,MAAM,eAAe,CAAC;AAChE,OAAO,EAAE,WAAW,EAAE,MAAM,YAAY,CAAC;AACzC,OAAO,EAAE,cAAc,EAAE,MAAM,gBAAgB,CAAC;AAEhD,OAAO,EAAE,aAAa,EAAE,eAAe,EAAE,MAAM,wBAAwB,CAAC;AACxE,OAAO,EAAE,YAAY,EAAE,kBAAkB,EAAE,eAAe,EAAE,MAAM,eAAe,CAAC;AAClF,OAAO,EAAE,IAAI,EAAE,MAAM,cAAc,CAAC;AACpC,OAAO,EAAE,mBAAmB,EAAE,MAAM,uBAAuB,CAAC;AAC5D,OAAO,EAAE,mBAAmB,EAAE,YAAY,EAAE,MAAM,mBAAmB,CAAC;AACtE,OAAO,EAAE,gBAAgB,EAAE,mBAAmB,EAAE,MAAM,kBAAkB,CAAC;AACzE,OAAO,EAAE,aAAa,EAAE,MAAM,wBAAwB,CAAC;AAEvD,OAAO,EAAE,aAAa,EAAE,MAAM,kBAAkB,CAAC;AACjD,OAAO,EAAE,aAAa,EAAE,aAAa,EAAE,iBAAiB,EAAE,MAAM,kBAAkB,CAAC;AACnF,OAAO,EAAE,aAAa,EAAE,MAAM,mBAAmB,CAAC;AAElD,OAAO,EAAE,cAAc,EAAE,MAAM,2BAA2B,CAAC;AAE3D,OAAO,EAAE,iBAAiB,EAAE,kBAAkB,EAAE,MAAM,kCAAkC,CAAC;AACzF,OAAO,EAAE,yBAAyB,EAAE,MAAM,mCAAmC,CAAC;AAE9E,OAAO,EAAE,aAAa,EAAE,MAAM,mBAAmB,CAAC;AAClD,OAAO,EAAE,cAAc,EAAE,MAAM,oBAAoB,CAAC;AACpD,OAAO,EACL,yBAAyB,EACzB,4BAA4B,EAC5B,+BAA+B,GAChC,MAAM,mBAAmB,CAAC;AAE3B,OAAO,EACL,kBAAkB,EAClB,mBAAmB,EACnB,YAAY,EACZ,MAAM,EACN,wBAAwB,EACxB,uBAAuB,GACxB,MAAM,+BAA+B,CAAC;AAEvC,OAAO,EAAE,QAAQ,EAAE,MAAM,kBAAkB,CAAC;AAC5C,OAAO,EAAE,gBAAgB,EAAE,cAAc,EAAE,MAAM,mBAAmB,CAAC;AACrE,OAAO,EAAE,OAAO,EAAE,mBAAmB,EAAE,mBAAmB,EAAE,MAAM,iBAAiB,CAAC;AACpF,OAAO,EAAE,eAAe,EAAE,MAAM,qBAAqB,CAAC;AACtD,OAAO,EACL,KAAK,EACL,iBAAiB,EACjB,gBAAgB,EAChB,aAAa,EACb,kBAAkB,EAClB,sBAAsB,GACvB,MAAM,qBAAqB,CAAC;AAC7B,OAAO,EAAE,YAAY,EAAE,SAAS,EAAE,MAAM,0BAA0B,CAAC;AACnE,OAAO,EAAE,iBAAiB,EAAE,MAAM,kCAAkC,CAAC;AACrE,OAAO,EAAE,cAAc,EAAE,UAAU,EAAE,MAAM,qBAAqB,CAAC;AACjE,OAAO,EAAE,eAAe,EAAE,MAAM,iBAAiB,CAAC;AAClD,OAAO,EAAE,IAAI,EAAE,MAAM,oBAAoB,CAAC;AAC1C,OAAO,EAAE,aAAa,EAAE,SAAS,EAAE,gBAAgB,EAAE,sBAAsB,EAAE,MAAM,mBAAmB,CAAC;AACvG,OAAO,EAAE,OAAO,EAAE,MAAM,iBAAiB,CAAC;AAC1C,OAAO,EAAE,QAAQ,EAAE,MAAM,kBAAkB,CAAC;AAC5C,OAAO,EAAE,WAAW,EAAE,MAAM,sBAAsB,CAAC;AACnD,OAAO,EACL,MAAM,EACN,YAAY,EACZ,iBAAiB,EACjB,gBAAgB,EAChB,UAAU,EACV,iBAAiB,GAClB,MAAM,gBAAgB,CAAC;AACxB,OAAO,EAAE,MAAM,EAAE,MAAM,gBAAgB,CAAC;AACxC,OAAO,EACL,0BAA0B,EAC1B,SAAS,EACT,UAAU,EACV,8BAA8B,EAC9B,6BAA6B,EAC7B,8BAA8B,EAC9B,yBAAyB,EACzB,YAAY,EACZ,OAAO,EACP,UAAU,GACX,MAAM,8BAA8B,CAAC;AAEtC,OAAO,EACL,8BAA8B,EAC9B,4BAA4B,EAC5B,4BAA4B,EAC5B,6BAA6B,EAC7B,4BAA4B,EAC5B,4BAA4B,EAC5B,0CAA0C,EAC1C,4BAA4B,GAC7B,MAAM,kCAAkC,CAAC;AAC1C,OAAO,EAAE,mBAAmB,EAAE,mBAAmB,EAAE,0BAA0B,EAAE,MAAM,4BAA4B,CAAC;AAClH,OAAO,EAAE,uBAAuB,EAAE,MAAM,2BAA2B,CAAC;AACpE,OAAO,EAAE,MAAM,EAAE,MAAM,gBAAgB,CAAC;AAExC,OAAO,EAAE,oBAAoB,EAAE,eAAe,EAAE,MAAM,qBAAqB,CAAC;AAC5E,OAAO,EAAE,mBAAmB,EAAE,eAAe,EAAE,UAAU,EAAE,SAAS,EAAE,SAAS,EAAE,MAAM,yBAAyB,CAAC;AACjH,OAAO,EAAE,sBAAsB,EAAE,kBAAkB,EAAE,MAAM,0BAA0B,CAAC;AACtF,OAAO,EAAE,YAAY,EAAE,iBAAiB,EAAE,MAAM,mBAAmB,CAAC;AAEpE,OAAO,EAAE,wBAAwB,EAAE,MAAM,6BAA6B,CAAC;AACvE,OAAO,EAAE,uBAAuB,EAAE,MAAM,2BAA2B,CAAC;AACpE,OAAO,EAAE,0BAA0B,EAAE,sBAAsB,EAAE,MAAM,8BAA8B,CAAC;AAGlG,OAAO,EAAE,QAAQ,EAAE,aAAa,EAAE,kBAAkB,EAAE,iBAAiB,EAAE,eAAe,EAAE,MAAM,kBAAkB,CAAC;AACnH,OAAO,EAAE,WAAW,EAAE,aAAa,EAAE,IAAI,EAAE,MAAM,mBAAmB,CAAC;AACrE,OAAO,EAAE,cAAc,EAAE,MAAM,4BAA4B,CAAC;AAC5D,OAAO,EACL,YAAY,EACZ,mBAAmB,EACnB,iBAAiB,EACjB,sBAAsB,EACtB,QAAQ,EACR,SAAS,EACT,WAAW,GACZ,MAAM,mBAAmB,CAAC;AAG3B,OAAO,EACL,aAAa,EACb,cAAc,EACd,sBAAsB,EACtB,eAAe,EACf,cAAc,EACd,kBAAkB,EAClB,aAAa,EACb,kBAAkB,EAClB,mBAAmB,GACpB,MAAM,+BAA+B,CAAC;AACvC,OAAO,EAAE,aAAa,EAAE,MAAM,+BAA+B,CAAC;AAG9D,OAAO,EAAE,UAAU,EAAE,MAAM,4BAA4B,CAAC;AACxD,OAAO,EAAE,UAAU,EAAE,WAAW,EAAE,MAAM,4BAA4B,CAAC;AAGrE,OAAO,EACL,iBAAiB,EACjB,0BAA0B,EAC1B,kBAAkB,EAClB,6BAA6B,GAC9B,MAAM,oCAAoC,CAAC;AAC5C,OAAO,EAAE,iBAAiB,EAAE,MAAM,oCAAoC,CAAC;AAEvE,OAAO,EAAE,UAAU,EAAE,QAAQ,EAAE,KAAK,EAAE,SAAS,EAAE,cAAc,EAAE,MAAM,oBAAoB,CAAC;AAE5F,OAAO,EAAE,aAAa,EAAE,MAAM,eAAe,CAAC;AAC9C,OAAO,EAAE,iBAAiB,EAAE,MAAM,wBAAwB,CAAC;AAG3D,YAAY,EAAE,mBAAmB,EAAE,aAAa,EAAE,MAAM,mCAAmC,CAAC;AAC5F,OAAO,EAAE,0BAA0B,EAAE,MAAM,mCAAmC,CAAC;AAC/E,OAAO,EAAE,uBAAuB,EAAE,MAAM,gCAAgC,CAAC;AACzE,OAAO,EACL,gBAAgB,EAChB,mBAAmB,EACnB,wBAAwB,EACxB,qBAAqB,EACrB,uCAAuC,GACxC,MAAM,uBAAuB,CAAC;AAE/B,OAAO,EAAE,+BAA+B,EAAE,qCAAqC,EAAE,MAAM,+BAA+B,CAAC;AAEvH,OAAO,EAAE,aAAa,EAAE,KAAK,IAAI,UAAU,EAAE,KAAK,mBAAmB,EAAE,MAAM,mBAAmB,CAAC;AACjG,OAAO,EAAE,mBAAmB,EAAE,KAAK,MAAM,IAAI,WAAW,EAAE,MAAM,yBAAyB,CAAC;AAC1F,OAAO,EAAE,iBAAiB,EAA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+2

-1

lib/esm/index.js

		@@ -5,2 +5,3 @@ export { AmplitudeCore } from './core-client';
		export { Destination } from './plugins/destination';
		export { getHeartbeatInstance } from './heartbeat';
		export { IdentityEventSender } from './plugins/identity';
		@@ -31,3 +32,3 @@ export { Config, RequestMetadata } from './config';
		export { compressToGzipArrayBuffer, isCompressionStreamAvailable, MIN_GZIP_UPLOAD_BODY_SIZE_BYTES, } from './transports/gzip';
		export { RemoteConfigClient } from './remote-config/remote-config';
		export { RemoteConfigClient, } from './remote-config/remote-config';
		export { LogLevel } from './types/loglevel';
		@@ -34,0 +35,0 @@ export { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';

+1

-1

lib/esm/index.js.map

		@@ -1,1 +0,1 @@
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{ AmplitudeCore } from './core-client';\nexport { CoreClient, PluginHost } from './types/client/core-client';\nexport { AnalyticsClient } from './types/client/analytics-client';\nexport { AmplitudeContext } from './types/amplitude-context';\nexport { Identify, IIdentify, ValidPropertyType } from './identify';\nexport { Revenue, IRevenue, RevenueProperty } from './revenue';\nexport { Destination } from './plugins/destination';\nexport { IdentityEventSender } from './plugins/identity';\nexport { Config, RequestMetadata } from './config';\nexport { IConfig } from './types/config/core-config';\nexport { Logger, ILogger, LogConfig } from './logger';\nexport { getGlobalScope } from './global-scope';\nexport { getAnalyticsConnector, setConnectorDeviceId, setConnectorUserId } from './analytics-connector';\nexport { isNewSession } from './session';\nexport { getCookieName, getOldCookieName } from './cookie-name';\nexport { getLanguage } from './language';\nexport { getQueryParams } from './query-params';\n\nexport { returnWrapper, AmplitudeReturn } from './utils/return-wrapper';\nexport { debugWrapper, getClientLogConfig, getClientStates } from './utils/debug';\nexport { UUID } from './utils/uuid';\nexport { createIdentifyEvent } from './utils/event-builder';\nexport { isUrlMatchAllowlist, getDecodeURI } from './utils/url-utils';\nexport { generateHashCode, isTimestampInSample } from './utils/sampling';\nexport { omitUndefined } from './utils/omit-undefined';\n\nexport { MemoryStorage } from './storage/memory';\nexport { CookieStorage, isDomainEqual, decodeCookieValue } from './storage/cookie';\nexport { getStorageKey } from './storage/helpers';\n\nexport { BrowserStorage } from './storage/browser-storage';\n\nexport { DiagnosticsClient, IDiagnosticsClient } from './diagnostics/diagnostics-client';\nexport { registerSdkLoaderMetadata } from './diagnostics/uncaught-sdk-errors';\n\nexport { BaseTransport } from './transports/base';\nexport { FetchTransport } from './transports/fetch';\nexport {\n compressToGzipArrayBuffer,\n isCompressionStreamAvailable,\n MIN_GZIP_UPLOAD_BODY_SIZE_BYTES,\n} from './transports/gzip';\n\nexport { RemoteConfigClient, IRemoteConfigClient, RemoteConfig, Source } from './remote-config/remote-config';\n\nexport { LogLevel } from './types/loglevel';\nexport { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';\nexport { Storage, IdentityStorageType, CookieStorageConfig } from './types/storage';\nexport { consoleObserver } from './observers/console';\nexport {\n Event,\n IdentifyOperation,\n SpecialEventType,\n IdentifyEvent,\n GroupIdentifyEvent,\n IdentifyUserProperties,\n} from './types/event/event';\nexport { EventOptions, BaseEvent } from './types/event/base-event';\nexport { IngestionMetadata } from './types/event/ingestion-metadata';\nexport { ServerZoneType, ServerZone } from './types/server-zone';\nexport { OfflineDisabled } from './types/offline';\nexport { Plan } from './types/event/plan';\nexport { TransportType, Transport, TransportOptions, TransportTypeOrOptions } from './types/transport';\nexport { Payload } from './types/payload';\nexport { Response } from './types/response';\nexport { UserSession } from './types/user-session';\nexport {\n Plugin,\n BeforePlugin,\n DestinationPlugin,\n EnrichmentPlugin,\n PluginType,\n AnalyticsIdentity,\n} from './types/plugin';\nexport { Result } from './types/result';\nexport {\n ElementInteractionsOptions,\n Messenger,\n ActionType,\n DEFAULT_CSS_SELECTOR_ALLOWLIST,\n DEFAULT_DATA_ATTRIBUTE_PREFIX,\n DEFAULT_ACTION_CLICK_ALLOWLIST,\n DEFAULT_EXPOSURE_DURATION,\n LabeledEvent,\n Trigger,\n DataSource,\n} from './types/element-interactions';\n\nexport {\n FrustrationInteractionsOptions,\n DEFAULT_DEAD_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_ALLOWLIST,\n DEFAULT_ERROR_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_THRESHOLD,\n DEFAULT_RAGE_CLICK_WINDOW_MS,\n DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD,\n DEFAULT_DEAD_CLICK_WINDOW_MS,\n} from './types/frustration-interactions';\nexport { PageTrackingOptions, PageTrackingTrackOn, PageTrackingHistoryChanges } from './types/page-view-tracking';\nexport { FormInteractionsOptions } from './types/form-interactions';\nexport { Status } from './types/status';\n\nexport { NetworkEventCallback, networkObserver } from './observers/network';\nexport { NetworkRequestEvent, IRequestWrapper, JsonObject, JsonValue, JsonArray } from './network-request-event';\nexport { NetworkTrackingOptions, NetworkCaptureRule } from './types/network-tracking';\nexport { SAFE_HEADERS, FORBIDDEN_HEADERS } from './types/constants';\n\nexport { PageUrlEnrichmentOptions } from './types/page-url-enrichment';\nexport { CustomEnrichmentOptions } from './types/custom-enrichment';\nexport { PerformanceTrackingOptions, MainThreadBlockOptions } from './types/performance-tracking';\n\n// Campaign\nexport { Campaign, UTMParameters, ReferrerParameters, ClickIdParameters, ICampaignParser } from './types/campaign';\nexport { EMPTY_VALUE, BASE_CAMPAIGN, MKTG } from './types/constants';\nexport { CampaignParser } from './campaign/campaign-parser';\nexport {\n getPageTitle,\n TEXT_MASK_ATTRIBUTE,\n MASKED_TEXT_VALUE,\n replaceSensitiveString,\n CC_REGEX,\n SSN_REGEX,\n EMAIL_REGEX,\n} from './plugins/helpers';\n\n// Browser\nexport {\n BrowserConfig,\n BrowserOptions,\n DefaultTrackingOptions,\n TrackingOptions,\n TrackingMethod,\n AutocaptureOptions,\n CookieOptions,\n AttributionOptions,\n RemoteConfigOptions,\n} from './types/config/browser-config';\nexport { BrowserClient } from './types/client/browser-client';\n\n// Node\nexport { NodeClient } from './types/client/node-client';\nexport { NodeConfig, NodeOptions } from './types/config/node-config';\n\n// React Native\nexport {\n ReactNativeConfig,\n ReactNativeTrackingOptions,\n ReactNativeOptions,\n ReactNativeAttributionOptions,\n} from './types/config/react-native-config';\nexport { ReactNativeClient } from './types/client/react-native-client';\n\nexport { Observable, asyncMap, merge, multicast, Unsubscribable } from './utils/observable';\n\nexport { InstanceProxy } from './types/proxy';\nexport { safeJsonStringify } from './utils/safe-stringify';\n\n// Messenger (cross-window communication)\nexport type { BaseWindowMessenger, ActionHandler } from './messenger/base-window-messenger';\nexport { getOrCreateWindowMessenger } from './messenger/base-window-messenger';\nexport { enableBackgroundCapture } from './messenger/background-capture';\nexport {\n AMPLITUDE_ORIGIN,\n AMPLITUDE_ORIGIN_EU,\n AMPLITUDE_ORIGIN_STAGING,\n AMPLITUDE_ORIGINS_MAP,\n AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL,\n} from './messenger/constants';\n\nexport { ExcludeInternalReferrersOptions, EXCLUDE_INTERNAL_REFERRERS_CONDITIONS } from './types/config/browser-config';\n\nexport { VideoObserver, State as VideoState, type VideoObserverParams } from './observers/video';\nexport { EmbeddedVideoPlayer, type Vendor as VideoVendor } from './video-analytics/types';\nexport { isChromeExtension } from './utils/environment';\n"]}
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{ AmplitudeCore } from './core-client';\nexport { CoreClient, PluginHost } from './types/client/core-client';\nexport { AnalyticsClient } from './types/client/analytics-client';\nexport { AmplitudeContext } from './types/amplitude-context';\nexport { Identify, IIdentify, ValidPropertyType } from './identify';\nexport { Revenue, IRevenue, RevenueProperty } from './revenue';\nexport { Destination } from './plugins/destination';\nexport { getHeartbeatInstance } from './heartbeat';\nexport { IdentityEventSender } from './plugins/identity';\nexport { Config, RequestMetadata } from './config';\nexport { IConfig } from './types/config/core-config';\nexport { Logger, ILogger, LogConfig } from './logger';\nexport { getGlobalScope } from './global-scope';\nexport { getAnalyticsConnector, setConnectorDeviceId, setConnectorUserId } from './analytics-connector';\nexport { isNewSession } from './session';\nexport { getCookieName, getOldCookieName } from './cookie-name';\nexport { getLanguage } from './language';\nexport { getQueryParams } from './query-params';\n\nexport { returnWrapper, AmplitudeReturn } from './utils/return-wrapper';\nexport { debugWrapper, getClientLogConfig, getClientStates } from './utils/debug';\nexport { UUID } from './utils/uuid';\nexport { createIdentifyEvent } from './utils/event-builder';\nexport { isUrlMatchAllowlist, getDecodeURI } from './utils/url-utils';\nexport { generateHashCode, isTimestampInSample } from './utils/sampling';\nexport { omitUndefined } from './utils/omit-undefined';\n\nexport { MemoryStorage } from './storage/memory';\nexport { CookieStorage, isDomainEqual, decodeCookieValue } from './storage/cookie';\nexport { getStorageKey } from './storage/helpers';\n\nexport { BrowserStorage } from './storage/browser-storage';\n\nexport { DiagnosticsClient, IDiagnosticsClient } from './diagnostics/diagnostics-client';\nexport { registerSdkLoaderMetadata } from './diagnostics/uncaught-sdk-errors';\n\nexport { BaseTransport } from './transports/base';\nexport { FetchTransport } from './transports/fetch';\nexport {\n compressToGzipArrayBuffer,\n isCompressionStreamAvailable,\n MIN_GZIP_UPLOAD_BODY_SIZE_BYTES,\n} from './transports/gzip';\n\nexport {\n RemoteConfigClient,\n IRemoteConfigClient,\n RemoteConfig,\n Source,\n RemoteConfigFetchRequest,\n RemoteConfigCustomFetch,\n} from './remote-config/remote-config';\n\nexport { LogLevel } from './types/loglevel';\nexport { AMPLITUDE_PREFIX, STORAGE_PREFIX } from './types/constants';\nexport { Storage, IdentityStorageType, CookieStorageConfig } from './types/storage';\nexport { consoleObserver } from './observers/console';\nexport {\n Event,\n IdentifyOperation,\n SpecialEventType,\n IdentifyEvent,\n GroupIdentifyEvent,\n IdentifyUserProperties,\n} from './types/event/event';\nexport { EventOptions, BaseEvent } from './types/event/base-event';\nexport { IngestionMetadata } from './types/event/ingestion-metadata';\nexport { ServerZoneType, ServerZone } from './types/server-zone';\nexport { OfflineDisabled } from './types/offline';\nexport { Plan } from './types/event/plan';\nexport { TransportType, Transport, TransportOptions, TransportTypeOrOptions } from './types/transport';\nexport { Payload } from './types/payload';\nexport { Response } from './types/response';\nexport { UserSession } from './types/user-session';\nexport {\n Plugin,\n BeforePlugin,\n DestinationPlugin,\n EnrichmentPlugin,\n PluginType,\n AnalyticsIdentity,\n} from './types/plugin';\nexport { Result } from './types/result';\nexport {\n ElementInteractionsOptions,\n Messenger,\n ActionType,\n DEFAULT_CSS_SELECTOR_ALLOWLIST,\n DEFAULT_DATA_ATTRIBUTE_PREFIX,\n DEFAULT_ACTION_CLICK_ALLOWLIST,\n DEFAULT_EXPOSURE_DURATION,\n LabeledEvent,\n Trigger,\n DataSource,\n} from './types/element-interactions';\n\nexport {\n FrustrationInteractionsOptions,\n DEFAULT_DEAD_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_ALLOWLIST,\n DEFAULT_ERROR_CLICK_ALLOWLIST,\n DEFAULT_RAGE_CLICK_THRESHOLD,\n DEFAULT_RAGE_CLICK_WINDOW_MS,\n DEFAULT_RAGE_CLICK_OUT_OF_BOUNDS_THRESHOLD,\n DEFAULT_DEAD_CLICK_WINDOW_MS,\n} from './types/frustration-interactions';\nexport { PageTrackingOptions, PageTrackingTrackOn, PageTrackingHistoryChanges } from './types/page-view-tracking';\nexport { FormInteractionsOptions } from './types/form-interactions';\nexport { Status } from './types/status';\n\nexport { NetworkEventCallback, networkObserver } from './observers/network';\nexport { NetworkRequestEvent, IRequestWrapper, JsonObject, JsonValue, JsonArray } from './network-request-event';\nexport { NetworkTrackingOptions, NetworkCaptureRule } from './types/network-tracking';\nexport { SAFE_HEADERS, FORBIDDEN_HEADERS } from './types/constants';\n\nexport { PageUrlEnrichmentOptions } from './types/page-url-enrichment';\nexport { CustomEnrichmentOptions } from './types/custom-enrichment';\nexport { PerformanceTrackingOptions, MainThreadBlockOptions } from './types/performance-tracking';\n\n// Campaign\nexport { Campaign, UTMParameters, ReferrerParameters, ClickIdParameters, ICampaignParser } from './types/campaign';\nexport { EMPTY_VALUE, BASE_CAMPAIGN, MKTG } from './types/constants';\nexport { CampaignParser } from './campaign/campaign-parser';\nexport {\n getPageTitle,\n TEXT_MASK_ATTRIBUTE,\n MASKED_TEXT_VALUE,\n replaceSensitiveString,\n CC_REGEX,\n SSN_REGEX,\n EMAIL_REGEX,\n} from './plugins/helpers';\n\n// Browser\nexport {\n BrowserConfig,\n BrowserOptions,\n DefaultTrackingOptions,\n TrackingOptions,\n TrackingMethod,\n AutocaptureOptions,\n CookieOptions,\n AttributionOptions,\n RemoteConfigOptions,\n} from './types/config/browser-config';\nexport { BrowserClient } from './types/client/browser-client';\n\n// Node\nexport { NodeClient } from './types/client/node-client';\nexport { NodeConfig, NodeOptions } from './types/config/node-config';\n\n// React Native\nexport {\n ReactNativeConfig,\n ReactNativeTrackingOptions,\n ReactNativeOptions,\n ReactNativeAttributionOptions,\n} from './types/config/react-native-config';\nexport { ReactNativeClient } from './types/client/react-native-client';\n\nexport { Observable, asyncMap, merge, multicast, Unsubscribable } from './utils/observable';\n\nexport { InstanceProxy } from './types/proxy';\nexport { safeJsonStringify } from './utils/safe-stringify';\n\n// Messenger (cross-window communication)\nexport type { BaseWindowMessenger, ActionHandler } from './messenger/base-window-messenger';\nexport { getOrCreateWindowMessenger } from './messenger/base-window-messenger';\nexport { enableBackgroundCapture } from './messenger/background-capture';\nexport {\n AMPLITUDE_ORIGIN,\n AMPLITUDE_ORIGIN_EU,\n AMPLITUDE_ORIGIN_STAGING,\n AMPLITUDE_ORIGINS_MAP,\n AMPLITUDE_BACKGROUND_CAPTURE_SCRIPT_URL,\n} from './messenger/constants';\n\nexport { ExcludeInternalReferrersOptions, EXCLUDE_INTERNAL_REFERRERS_CONDITIONS } from './types/config/browser-config';\n\nexport { VideoObserver, State as VideoState, type VideoObserverParams } from './observers/video';\nexport { EmbeddedVideoPlayer, type Vendor as VideoVendor } from './video-analytics/types';\nexport { isChromeExtension } from './utils/environment';\n"]}

+20

-1

lib/esm/remote-config/remote-config.d.ts

		@@ -22,2 +22,20 @@ import { ServerZoneType } from '../types/server-zone';
		export type Source = 'cache' \| 'remote';
		/**
		* The fully-formed remote-config request handed to a custom transport. Consumers that need to
		* own the network call (e.g. to attach auth headers and route through a proxy) supply a
		* {@link RemoteConfigCustomFetch} via the client constructor; the client builds this request
		* (resolved URL, headers, abort signal) and the callback executes it.
		*/
		export interface RemoteConfigFetchRequest {
		url: string;
		method: 'GET';
		headers: Record<string, string>;
		/** Abort signal the client uses to enforce the fetch timeout; honor it in your fetch call. */
		signal?: AbortSignal;
		}
		/**
		* Custom transport for the remote-config fetch. Must return a `Response`. Retry/backoff stays
		* in the client around this callback, so it is invoked once per attempt.
		*/
		export type RemoteConfigCustomFetch = (request: RemoteConfigFetchRequest) => Promise<Response>;
		export declare const US_SERVER_URL = "https://sr-client-cfg.amplitude.com/config";
		@@ -96,3 +114,4 @@ export declare const EU_SERVER_URL = "https://sr-client-cfg.eu.amplitude.com/config";
		isLastFetchInvalidApiKey: boolean;
		constructor(apiKey: string, logger: ILogger, serverZone?: ServerZoneType, serverUrl?: string);
		readonly customFetch?: RemoteConfigCustomFetch;
		constructor(apiKey: string, logger: ILogger, serverZone?: ServerZoneType, serverUrl?: string, customFetch?: RemoteConfigCustomFetch);
		subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;
		@@ -99,0 +118,0 @@ unsubscribe(id: string): boolean;

+1

-1

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+67

-32

lib/esm/remote-config/remote-config.js

		import { __awaiter, __generator } from "tslib";
		import { RemoteConfigLocalStorage } from './remote-config-localstorage';
		import { UUID } from '../utils/uuid';
		/**
		* Settles with `promise`, but rejects with an AbortError when `signal` fires. The request-timeout
		* signal is handed to customFetch, but a transport that ignores it would block the await (and the
		* retry loop) indefinitely; racing the abort guarantees the client-side timeout always applies.
		* The transport's own promise keeps running — we can't cancel it — we just stop awaiting it.
		*/
		function abortableFetch(promise, signal) {
		return new Promise(function (resolve, reject) {
		var onAbort = function () {
		// Match how a native aborted fetch rejects (name 'AbortError') so fetch()'s catch logs it
		// as a timeout; either way the loop retries since the abort doesn't clear shouldRetry.
		var err = new Error('Remote config custom fetch aborted by timeout');
		err.name = 'AbortError';
		reject(err);
		};
		signal.addEventListener('abort', onAbort, { once: true });
		promise.then(function (value) {
		signal.removeEventListener('abort', onAbort);
		resolve(value);
		}, function (err) {
		signal.removeEventListener('abort', onAbort);
		reject(err);
		});
		});
		}
		export var US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';
		@@ -23,3 +48,3 @@ export var EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';
		var RemoteConfigClient = /** @class */ (function () {
		function RemoteConfigClient(apiKey, logger, serverZone, serverUrl) {
		function RemoteConfigClient(apiKey, logger, serverZone, serverUrl, customFetch) {
		if (serverZone === void 0) { serverZone = 'US'; }
		@@ -38,2 +63,3 @@ // Registered callbackInfos by subscribe().
		this.storage = new RemoteConfigLocalStorage(apiKey, logger);
		this.customFetch = customFetch;
		}
		@@ -272,5 +298,5 @@ RemoteConfigClient.prototype.subscribe = function (key, deliveryMode, callback) {
		_loop_1 = function (attempt) {
		var shouldRetry, abortController, timeoutId, res, body, remoteConfig, error_2;
		return __generator(this, function (_b) {
		switch (_b.label) {
		var shouldRetry, abortController, timeoutId, url, headers, res, _b, isSuccess, body, remoteConfig, error_2;
		return __generator(this, function (_c) {
		switch (_c.label) {
		case 0:
		@@ -280,18 +306,27 @@ shouldRetry = true;
		timeoutId = setTimeout(function () { return abortController.abort(); }, timeout);
		_b.label = 1;
		_c.label = 1;
		case 1:
		_b.trys.push([1, 7, 8, 9]);
		return [4 /yield/, fetch(this_1.getUrlParams(), {
		method: 'GET',
		headers: {
		Accept: '/',
		},
		signal: abortController.signal,
		})];
		_c.trys.push([1, 10, 11, 12]);
		url = this_1.getUrlParams();
		headers = { Accept: '/' };
		if (!this_1.customFetch) return [3 /break/, 3];
		return [4 /yield/, abortableFetch(this_1.customFetch({ url: url, method: 'GET', headers: headers, signal: abortController.signal }), abortController.signal)];
		case 2:
		res = _b.sent();
		if (!!res.ok) return [3 /break/, 4];
		_b = _c.sent();
		return [3 /break/, 5];
		case 3: return [4 /yield/, fetch(url, {
		method: 'GET',
		headers: headers,
		signal: abortController.signal,
		})];
		case 4:
		_b = _c.sent();
		_c.label = 5;
		case 5:
		res = _b;
		isSuccess = res.ok \|\| (res.status >= 200 && res.status < 300);
		if (!!isSuccess) return [3 /break/, 7];
		return [4 /yield/, res.text()];
		case 3:
		body = _b.sent();
		case 6:
		body = _c.sent();
		this_1.logger.debug("Remote config client fetch with retry time ".concat(retries, " failed with ").concat(res.status, ": ").concat(body));
		@@ -306,6 +341,6 @@ if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {
		}
		return [3 /break/, 6];
		case 4: return [4 /yield/, res.json()];
		case 5:
		remoteConfig = (_b.sent());
		return [3 /break/, 9];
		case 7: return [4 /yield/, res.json()];
		case 8:
		remoteConfig = (_c.sent());
		return [2 /return/, { value: {
		@@ -315,5 +350,5 @@ remoteConfig: remoteConfig,
		} }];
		case 6: return [3 /break/, 9];
		case 7:
		error_2 = _b.sent();
		case 9: return [3 /break/, 12];
		case 10:
		error_2 = _c.sent();
		// Handle rejects when the request fails, for example, a network error or timeout
		@@ -326,17 +361,17 @@ if (error_2 instanceof Error && error_2.name === 'AbortError') {
		}
		return [3 /break/, 9];
		case 8:
		return [3 /break/, 12];
		case 11:
		// Clear the timeout since request completed or failed
		clearTimeout(timeoutId);
		return [7 /endfinally/];
		case 9:
		case 12:
		if (!shouldRetry) {
		return [2 /return/, "break"];
		}
		if (!(attempt < retries - 1)) return [3 /break/, 11];
		if (!(attempt < retries - 1)) return [3 /break/, 14];
		return [4 /yield/, new Promise(function (resolve) { return setTimeout(resolve, _this.getJitterDelay(interval)); })];
		case 10:
		_b.sent();
		_b.label = 11;
		case 11: return [2 /return/];
		case 13:
		_c.sent();
		_c.label = 14;
		case 14: return [2 /return/];
		}
		@@ -343,0 +378,0 @@ });

+1

-1

lib/esm/remote-config/remote-config.js.map

		@@ -1,1 +0,1 @@
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{ ServerZoneType } from '../types/server-zone';\nimport { ILogger } from '../logger';\nimport { RemoteConfigLocalStorage } from './remote-config-localstorage';\nimport { UUID } from '../utils/uuid';\n\n/*\n Modes for receiving remote config updates:\n * - `'all'` – Optimized for both speed and freshness. Returns the fastest response first\n * (cache or remote), then always waits for and returns the remote response to ensure\n * the most up-to-date config. Callback may be called once (if remote wins) or twice\n * (cache first, then remote).\n * - `{ timeout: number }` – Prefers remote data but with a fallback strategy. Waits for\n * a remote response until the specified timeout (in milliseconds), then falls back to\n * cached data if available. Callback is called exactly once.\n /\nexport type DeliveryMode = 'all' \| { timeout: number };\n\n/\n Sources of returned remote config:\n * - `cache` - Fetched from local storage.\n * - `remote` - Fetched from remote.\n /\nexport type Source = 'cache' \| 'remote';\n\nexport const US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';\nexport const EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';\nexport const DEFAULT_MAX_RETRIES = 3;\nconst CODE_STATUS = {\n INVALID_API_KEY: 401,\n FORBIDDEN: 403,\n RATE_LIMIT: 429,\n} as const;\n\n/\n The default timeout for fetch in milliseconds.\n * Linear backoff policy: timeout / retry times is the interval between fetch retry.\n /\nconst DEFAULT_TIMEOUT = 1000;\n\n/\n The minimum time between fetches in milliseconds.\n * This prevents too many requests from being sent in a short period of time.\n /\nconst DEFAULT_MIN_TIME_BETWEEN_FETCHES = 5 60 * 1000; // 5 minutes\n\nexport interface RemoteConfig {\n [key: string]: any;\n}\n\nexport interface RemoteConfigInfo {\n remoteConfig: RemoteConfig \| null;\n // Timestamp of when the remote config was fetched.\n lastFetch: Date;\n}\n\nexport interface RemoteConfigStorage {\n /*\n Fetch remote config from storage asynchronously.\n /\n fetchConfig(): Promise<RemoteConfigInfo>;\n\n /\n Set remote config to storage asynchronously.\n /\n setConfig(config: RemoteConfigInfo): Promise<boolean>;\n}\n\n/\n Information about each callback registered by `RemoteConfigClient.subscribe()`,\n * managed internally by `RemoteConfigClient`.\n /\nexport interface CallbackInfo {\n id: string;\n key?: string;\n deliveryMode: DeliveryMode;\n callback: RemoteConfigCallback;\n lastCallback?: Date;\n}\n\n/\n Callback used in `RemoteConfigClient.subscribe()`.\n * This function is called when the remote config is fetched.\n /\ntype RemoteConfigCallback = (remoteConfig: RemoteConfig \| null, source: Source, lastFetch: Date) => void;\n\nexport interface IRemoteConfigClient {\n /\n Subscribe for updates to remote config.\n * Callback is guaranteed to be called at least once,\n * Whether we are able to fetch a config or not.\n \n @param key - a string containing a series of period delimited keys to filter the returned config.\n * Ie, {a: {b: {c: ...}}} would return {b: {c: ...}} for \"a\" or {c: ...} for \"a.b\".\n * Set to `undefined` to subscribe all keys.\n * @param deliveryMode - how the initial callback is sent.\n * @param callback - a block that will be called when remote config is fetched.\n * @return id - identification of the subscribe and can be used to unsubscribe from updates.\n /\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;\n\n /\n Unsubscribe a callback from receiving future updates.\n \n @param id - identification of the callback that you want to unsubscribe.\n * It's the return value of subscribe().\n * @return boolean - whether the callback is removed.\n /\n unsubscribe(id: string): boolean;\n\n /\n Request the remote config client to fetch from remote, update cache, and callback.\n /\n updateConfigs(): void;\n}\n\nexport class RemoteConfigClient implements IRemoteConfigClient {\n static readonly CONFIG_GROUP = 'browser';\n\n readonly apiKey: string;\n readonly serverUrl: string;\n readonly logger: ILogger;\n readonly storage: RemoteConfigStorage;\n // Registered callbackInfos by subscribe().\n callbackInfos: CallbackInfo[] = [];\n // Track the last successful fetch time for throttling (timestamp in milliseconds).\n lastSuccessfulFetch: number \| null = null;\n // Store the in-flight fetch promise for deduplication.\n fetchPromise: Promise<RemoteConfigInfo> \| null = null;\n // Used to skip periodic updateConfigs calls when API key is invalid.\n isLastFetchInvalidApiKey = false;\n\n constructor(apiKey: string, logger: ILogger, serverZone: ServerZoneType = 'US', serverUrl?: string) {\n this.apiKey = apiKey;\n this.serverUrl = serverUrl \|\| (serverZone === 'US' ? US_SERVER_URL : EU_SERVER_URL);\n this.logger = logger;\n this.storage = new RemoteConfigLocalStorage(apiKey, logger);\n }\n\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string {\n const id = UUID();\n const callbackInfo = {\n id: id,\n key: key,\n deliveryMode: deliveryMode,\n callback: callback,\n };\n this.callbackInfos.push(callbackInfo);\n\n if (deliveryMode === 'all') {\n void this.subscribeAll(callbackInfo);\n } else {\n void this.subscribeWaitForRemote(callbackInfo, deliveryMode.timeout);\n }\n\n return id;\n }\n\n unsubscribe(id: string): boolean {\n const index = this.callbackInfos.findIndex((callbackInfo) => callbackInfo.id === id);\n if (index === -1) {\n this.logger.debug(`Remote config client unsubscribe failed because callback with id ${id} doesn't exist.`);\n return false;\n }\n\n this.callbackInfos.splice(index, 1);\n this.logger.debug(`Remote config client unsubscribe succeeded removing callback with id ${id}.`);\n return true;\n }\n\n async updateConfigs() {\n // Check if we need to throttle based on last successful fetch time\n if (this.lastSuccessfulFetch) {\n const timeSinceLastFetch = Date.now() - this.lastSuccessfulFetch;\n if (timeSinceLastFetch < DEFAULT_MIN_TIME_BETWEEN_FETCHES) {\n this.logger.debug('Remote config client skipping updateConfigs: Too recent');\n return;\n }\n }\n\n const result = await this.getOrCreateFetchPromise();\n void this.storage.setConfig(result);\n this.callbackInfos.forEach((callbackInfo) => {\n this.sendCallback(callbackInfo, result, 'remote');\n });\n }\n\n /\n Get the in-flight fetch promise or create a new one.\n * This ensures multiple subscribe calls share the same network request.\n /\n getOrCreateFetchPromise(): Promise<RemoteConfigInfo> {\n if (this.fetchPromise) {\n return this.fetchPromise;\n }\n\n if (this.isLastFetchInvalidApiKey) {\n this.logger.debug('Remote config client skipping fetch: Invalid API key');\n this.fetchPromise = Promise.resolve({\n remoteConfig: null,\n lastFetch: new Date(),\n }).finally(() => {\n this.fetchPromise = null;\n });\n return this.fetchPromise;\n }\n\n this.fetchPromise = this.fetch()\n .then((result) => {\n // Update last successful fetch time if we got a valid config\n if (result.remoteConfig !== null) {\n this.lastSuccessfulFetch = Date.now();\n }\n return result;\n })\n .finally(() => {\n // Clear the promise after it settles (success or failure)\n this.fetchPromise = null;\n });\n\n return this.fetchPromise;\n }\n\n /\n Send remote first. If it's already complete, we can skip the cached response.\n * - if remote is fetched first, no cache fetch.\n * - if cache is fetched first, still fetching remote.\n /\n async subscribeAll(callbackInfo: CallbackInfo) {\n const remotePromise = this.getOrCreateFetchPromise().then((result) => {\n this.logger.debug(`Remote config client subscription all mode fetched from remote: ${JSON.stringify(result)}`);\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n });\n\n const cachePromise = this.storage.fetchConfig().then((result) => {\n return result;\n });\n\n // Wait for the first result to resolve\n const result = await Promise.race([remotePromise, cachePromise]);\n\n // If cache is fetched first, wait for remote.\n if (result !== undefined) {\n this.logger.debug(`Remote config client subscription all mode fetched from cache: ${JSON.stringify(result)}`);\n // Skip sending callback if cache is empty (first time user).\n if (result.remoteConfig !== null) {\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client skips sending callback because cache is empty (first time user).');\n }\n }\n await remotePromise;\n }\n\n /\n Waits for a remote response until the given timeout, then return a cached copy, if available.\n /\n async subscribeWaitForRemote(callbackInfo: CallbackInfo, timeout: number) {\n const timeoutPromise = new Promise((_, reject) => {\n setTimeout(() => {\n reject('Timeout exceeded');\n }, timeout);\n });\n\n try {\n const result: RemoteConfigInfo = (await Promise.race([\n this.getOrCreateFetchPromise(),\n timeoutPromise,\n ])) as RemoteConfigInfo;\n\n this.logger.debug('Remote config client subscription wait for remote mode returns from remote.');\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n } catch (error) {\n this.logger.debug(\n 'Remote config client subscription wait for remote mode exceeded timeout. Try to fetch from cache.',\n );\n const result = await this.storage.fetchConfig();\n if (result.remoteConfig !== null) {\n this.logger.debug('Remote config client subscription wait for remote mode returns a cached copy.');\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client subscription wait for remote mode failed to fetch cache.');\n this.sendCallback(callbackInfo, result, 'remote');\n }\n }\n }\n\n /\n Call the callback with filtered remote config based on key.\n * @param remoteConfigInfo - the whole remote config object without filtering by key.\n /\n sendCallback(callbackInfo: CallbackInfo, remoteConfigInfo: RemoteConfigInfo, source: Source) {\n callbackInfo.lastCallback = new Date();\n\n let filteredConfig: RemoteConfig \| null;\n if (callbackInfo.key) {\n // Filter remote config by key.\n // For example, if remote config is {a: {b: {c: 1}}},\n // if key = 'a', filter result is {b: {c: 1}};\n // if key = 'a.b', filter result is {c: 1}\n filteredConfig = callbackInfo.key.split('.').reduce((config, key) => {\n if (config === null) {\n return config;\n }\n\n return key in config ? (config[key] as RemoteConfig) : null;\n }, remoteConfigInfo.remoteConfig);\n } else {\n filteredConfig = remoteConfigInfo.remoteConfig;\n }\n\n callbackInfo.callback(filteredConfig, source, remoteConfigInfo.lastFetch);\n }\n\n /\n Fetch remote config from remote.\n * @param retries - the number of retries. default is 3.\n * @param timeout - the timeout in milliseconds. Default is 1000.\n * This timeout serves two purposes:\n * 1. It determines how long to wait for each remote config fetch request before aborting it.\n * If the fetch does not complete within the specified timeout, the request is cancelled using AbortController,\n * and the attempt is considered failed (and may be retried if retries remain).\n * 2. It is also used to calculate the interval between retries. The total timeout is divided by the number of retries,\n * so each retry waits for (timeout / retries) milliseconds before the next attempt (linear backoff).\n * Retry behavior by status code:\n * - 401: invalid API key (stop retries and disable future updateConfigs calls).\n * - 429: retry up to max retries.\n * - other 4xx: no retry.\n * - 5xx and network failures: retry up to max retries.\n * @returns the remote config info. null if failed to fetch or the response is not valid JSON.\n /\n async fetch(retries: number = DEFAULT_MAX_RETRIES, timeout: number = DEFAULT_TIMEOUT): Promise<RemoteConfigInfo> {\n const interval = timeout / retries;\n const failedRemoteConfigInfo: RemoteConfigInfo = {\n remoteConfig: null,\n lastFetch: new Date(),\n };\n\n for (let attempt = 0; attempt < retries; attempt++) {\n let shouldRetry = true;\n // Create AbortController for request timeout\n const abortController = new AbortController();\n const timeoutId = setTimeout(() => abortController.abort(), timeout);\n\n try {\n const res = await fetch(this.getUrlParams(), {\n method: 'GET',\n headers: {\n Accept: '/',\n },\n signal: abortController.signal,\n });\n\n // Handle unsuccessful fetch\n if (!res.ok) {\n const body = await res.text();\n this.logger.debug(`Remote config client fetch with retry time ${retries} failed with ${res.status}: ${body}`);\n\n if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {\n this.logger.error(\n `Remote config client fetch failed with ${res.status}. Invalid API key; future fetches will be skipped.`,\n );\n this.isLastFetchInvalidApiKey = true;\n shouldRetry = false;\n } else if (res.status >= 400 && res.status < 500 && res.status !== CODE_STATUS.RATE_LIMIT) {\n shouldRetry = false;\n }\n } else {\n // Handle successful fetch\n const remoteConfig: RemoteConfig = (await res.json()) as RemoteConfig;\n return {\n remoteConfig: remoteConfig,\n lastFetch: new Date(),\n };\n }\n } catch (error) {\n // Handle rejects when the request fails, for example, a network error or timeout\n if (error instanceof Error && error.name === 'AbortError') {\n this.logger.debug(`Remote config client fetch with retry time ${retries} timed out after ${timeout}ms`);\n } else {\n this.logger.debug(`Remote config client fetch with retry time ${retries} is rejected because: `, error);\n }\n } finally {\n // Clear the timeout since request completed or failed\n clearTimeout(timeoutId);\n }\n\n if (!shouldRetry) {\n break;\n }\n\n // Linear backoff:\n // wait for the specified interval before the next attempt\n // except after the last attempt.\n if (attempt < retries - 1) {\n await new Promise((resolve) => setTimeout(resolve, this.getJitterDelay(interval)));\n }\n }\n\n return failedRemoteConfigInfo;\n }\n\n /\n Return jitter in the bound of [0,baseDelay) and then floor round.\n /\n getJitterDelay(baseDelay: number): number {\n return Math.floor(Math.random() baseDelay);\n }\n\n getUrlParams(): string {\n // URL encode the API key to handle special characters\n const encodedApiKey = encodeURIComponent(this.apiKey);\n\n const urlParams = new URLSearchParams();\n urlParams.append('config_group', RemoteConfigClient.CONFIG_GROUP);\n\n return `${this.serverUrl}/${encodedApiKey}?${urlParams.toString()}`;\n }\n}\n"]}
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{ ServerZoneType } from '../types/server-zone';\nimport { ILogger } from '../logger';\nimport { RemoteConfigLocalStorage } from './remote-config-localstorage';\nimport { UUID } from '../utils/uuid';\n\n/*\n Modes for receiving remote config updates:\n * - `'all'` – Optimized for both speed and freshness. Returns the fastest response first\n * (cache or remote), then always waits for and returns the remote response to ensure\n * the most up-to-date config. Callback may be called once (if remote wins) or twice\n * (cache first, then remote).\n * - `{ timeout: number }` – Prefers remote data but with a fallback strategy. Waits for\n * a remote response until the specified timeout (in milliseconds), then falls back to\n * cached data if available. Callback is called exactly once.\n /\nexport type DeliveryMode = 'all' \| { timeout: number };\n\n/\n Sources of returned remote config:\n * - `cache` - Fetched from local storage.\n * - `remote` - Fetched from remote.\n /\nexport type Source = 'cache' \| 'remote';\n\n/\n The fully-formed remote-config request handed to a custom transport. Consumers that need to\n * own the network call (e.g. to attach auth headers and route through a proxy) supply a\n * {@link RemoteConfigCustomFetch} via the client constructor; the client builds this request\n * (resolved URL, headers, abort signal) and the callback executes it.\n /\nexport interface RemoteConfigFetchRequest {\n url: string;\n method: 'GET';\n headers: Record<string, string>;\n /* Abort signal the client uses to enforce the fetch timeout; honor it in your fetch call. /\n signal?: AbortSignal;\n}\n\n/\n Custom transport for the remote-config fetch. Must return a `Response`. Retry/backoff stays\n * in the client around this callback, so it is invoked once per attempt.\n /\nexport type RemoteConfigCustomFetch = (request: RemoteConfigFetchRequest) => Promise<Response>;\n\n/\n Settles with `promise`, but rejects with an AbortError when `signal` fires. The request-timeout\n * signal is handed to customFetch, but a transport that ignores it would block the await (and the\n * retry loop) indefinitely; racing the abort guarantees the client-side timeout always applies.\n * The transport's own promise keeps running — we can't cancel it — we just stop awaiting it.\n /\nfunction abortableFetch(promise: Promise<Response>, signal: AbortSignal): Promise<Response> {\n return new Promise<Response>((resolve, reject) => {\n const onAbort = () => {\n // Match how a native aborted fetch rejects (name 'AbortError') so fetch()'s catch logs it\n // as a timeout; either way the loop retries since the abort doesn't clear shouldRetry.\n const err = new Error('Remote config custom fetch aborted by timeout');\n err.name = 'AbortError';\n reject(err);\n };\n signal.addEventListener('abort', onAbort, { once: true });\n promise.then(\n (value) => {\n signal.removeEventListener('abort', onAbort);\n resolve(value);\n },\n (err) => {\n signal.removeEventListener('abort', onAbort);\n reject(err);\n },\n );\n });\n}\n\nexport const US_SERVER_URL = 'https://sr-client-cfg.amplitude.com/config';\nexport const EU_SERVER_URL = 'https://sr-client-cfg.eu.amplitude.com/config';\nexport const DEFAULT_MAX_RETRIES = 3;\nconst CODE_STATUS = {\n INVALID_API_KEY: 401,\n FORBIDDEN: 403,\n RATE_LIMIT: 429,\n} as const;\n\n/\n The default timeout for fetch in milliseconds.\n * Linear backoff policy: timeout / retry times is the interval between fetch retry.\n /\nconst DEFAULT_TIMEOUT = 1000;\n\n/\n The minimum time between fetches in milliseconds.\n * This prevents too many requests from being sent in a short period of time.\n /\nconst DEFAULT_MIN_TIME_BETWEEN_FETCHES = 5 60 * 1000; // 5 minutes\n\nexport interface RemoteConfig {\n [key: string]: any;\n}\n\nexport interface RemoteConfigInfo {\n remoteConfig: RemoteConfig \| null;\n // Timestamp of when the remote config was fetched.\n lastFetch: Date;\n}\n\nexport interface RemoteConfigStorage {\n /*\n Fetch remote config from storage asynchronously.\n /\n fetchConfig(): Promise<RemoteConfigInfo>;\n\n /\n Set remote config to storage asynchronously.\n /\n setConfig(config: RemoteConfigInfo): Promise<boolean>;\n}\n\n/\n Information about each callback registered by `RemoteConfigClient.subscribe()`,\n * managed internally by `RemoteConfigClient`.\n /\nexport interface CallbackInfo {\n id: string;\n key?: string;\n deliveryMode: DeliveryMode;\n callback: RemoteConfigCallback;\n lastCallback?: Date;\n}\n\n/\n Callback used in `RemoteConfigClient.subscribe()`.\n * This function is called when the remote config is fetched.\n /\ntype RemoteConfigCallback = (remoteConfig: RemoteConfig \| null, source: Source, lastFetch: Date) => void;\n\nexport interface IRemoteConfigClient {\n /\n Subscribe for updates to remote config.\n * Callback is guaranteed to be called at least once,\n * Whether we are able to fetch a config or not.\n \n @param key - a string containing a series of period delimited keys to filter the returned config.\n * Ie, {a: {b: {c: ...}}} would return {b: {c: ...}} for \"a\" or {c: ...} for \"a.b\".\n * Set to `undefined` to subscribe all keys.\n * @param deliveryMode - how the initial callback is sent.\n * @param callback - a block that will be called when remote config is fetched.\n * @return id - identification of the subscribe and can be used to unsubscribe from updates.\n /\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string;\n\n /\n Unsubscribe a callback from receiving future updates.\n \n @param id - identification of the callback that you want to unsubscribe.\n * It's the return value of subscribe().\n * @return boolean - whether the callback is removed.\n /\n unsubscribe(id: string): boolean;\n\n /\n Request the remote config client to fetch from remote, update cache, and callback.\n /\n updateConfigs(): void;\n}\n\nexport class RemoteConfigClient implements IRemoteConfigClient {\n static readonly CONFIG_GROUP = 'browser';\n\n readonly apiKey: string;\n readonly serverUrl: string;\n readonly logger: ILogger;\n readonly storage: RemoteConfigStorage;\n // Registered callbackInfos by subscribe().\n callbackInfos: CallbackInfo[] = [];\n // Track the last successful fetch time for throttling (timestamp in milliseconds).\n lastSuccessfulFetch: number \| null = null;\n // Store the in-flight fetch promise for deduplication.\n fetchPromise: Promise<RemoteConfigInfo> \| null = null;\n // Used to skip periodic updateConfigs calls when API key is invalid.\n isLastFetchInvalidApiKey = false;\n // Optional custom transport. When provided, it replaces the internal fetch for the config GET\n // (e.g. to attach auth and route through a proxy). Retry stays in the client around it.\n readonly customFetch?: RemoteConfigCustomFetch;\n\n constructor(\n apiKey: string,\n logger: ILogger,\n serverZone: ServerZoneType = 'US',\n serverUrl?: string,\n customFetch?: RemoteConfigCustomFetch,\n ) {\n this.apiKey = apiKey;\n this.serverUrl = serverUrl \|\| (serverZone === 'US' ? US_SERVER_URL : EU_SERVER_URL);\n this.logger = logger;\n this.storage = new RemoteConfigLocalStorage(apiKey, logger);\n this.customFetch = customFetch;\n }\n\n subscribe(key: string \| undefined, deliveryMode: DeliveryMode, callback: RemoteConfigCallback): string {\n const id = UUID();\n const callbackInfo = {\n id: id,\n key: key,\n deliveryMode: deliveryMode,\n callback: callback,\n };\n this.callbackInfos.push(callbackInfo);\n\n if (deliveryMode === 'all') {\n void this.subscribeAll(callbackInfo);\n } else {\n void this.subscribeWaitForRemote(callbackInfo, deliveryMode.timeout);\n }\n\n return id;\n }\n\n unsubscribe(id: string): boolean {\n const index = this.callbackInfos.findIndex((callbackInfo) => callbackInfo.id === id);\n if (index === -1) {\n this.logger.debug(`Remote config client unsubscribe failed because callback with id ${id} doesn't exist.`);\n return false;\n }\n\n this.callbackInfos.splice(index, 1);\n this.logger.debug(`Remote config client unsubscribe succeeded removing callback with id ${id}.`);\n return true;\n }\n\n async updateConfigs() {\n // Check if we need to throttle based on last successful fetch time\n if (this.lastSuccessfulFetch) {\n const timeSinceLastFetch = Date.now() - this.lastSuccessfulFetch;\n if (timeSinceLastFetch < DEFAULT_MIN_TIME_BETWEEN_FETCHES) {\n this.logger.debug('Remote config client skipping updateConfigs: Too recent');\n return;\n }\n }\n\n const result = await this.getOrCreateFetchPromise();\n void this.storage.setConfig(result);\n this.callbackInfos.forEach((callbackInfo) => {\n this.sendCallback(callbackInfo, result, 'remote');\n });\n }\n\n /\n Get the in-flight fetch promise or create a new one.\n * This ensures multiple subscribe calls share the same network request.\n /\n getOrCreateFetchPromise(): Promise<RemoteConfigInfo> {\n if (this.fetchPromise) {\n return this.fetchPromise;\n }\n\n if (this.isLastFetchInvalidApiKey) {\n this.logger.debug('Remote config client skipping fetch: Invalid API key');\n this.fetchPromise = Promise.resolve({\n remoteConfig: null,\n lastFetch: new Date(),\n }).finally(() => {\n this.fetchPromise = null;\n });\n return this.fetchPromise;\n }\n\n this.fetchPromise = this.fetch()\n .then((result) => {\n // Update last successful fetch time if we got a valid config\n if (result.remoteConfig !== null) {\n this.lastSuccessfulFetch = Date.now();\n }\n return result;\n })\n .finally(() => {\n // Clear the promise after it settles (success or failure)\n this.fetchPromise = null;\n });\n\n return this.fetchPromise;\n }\n\n /\n Send remote first. If it's already complete, we can skip the cached response.\n * - if remote is fetched first, no cache fetch.\n * - if cache is fetched first, still fetching remote.\n /\n async subscribeAll(callbackInfo: CallbackInfo) {\n const remotePromise = this.getOrCreateFetchPromise().then((result) => {\n this.logger.debug(`Remote config client subscription all mode fetched from remote: ${JSON.stringify(result)}`);\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n });\n\n const cachePromise = this.storage.fetchConfig().then((result) => {\n return result;\n });\n\n // Wait for the first result to resolve\n const result = await Promise.race([remotePromise, cachePromise]);\n\n // If cache is fetched first, wait for remote.\n if (result !== undefined) {\n this.logger.debug(`Remote config client subscription all mode fetched from cache: ${JSON.stringify(result)}`);\n // Skip sending callback if cache is empty (first time user).\n if (result.remoteConfig !== null) {\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client skips sending callback because cache is empty (first time user).');\n }\n }\n await remotePromise;\n }\n\n /\n Waits for a remote response until the given timeout, then return a cached copy, if available.\n /\n async subscribeWaitForRemote(callbackInfo: CallbackInfo, timeout: number) {\n const timeoutPromise = new Promise((_, reject) => {\n setTimeout(() => {\n reject('Timeout exceeded');\n }, timeout);\n });\n\n try {\n const result: RemoteConfigInfo = (await Promise.race([\n this.getOrCreateFetchPromise(),\n timeoutPromise,\n ])) as RemoteConfigInfo;\n\n this.logger.debug('Remote config client subscription wait for remote mode returns from remote.');\n this.sendCallback(callbackInfo, result, 'remote');\n void this.storage.setConfig(result);\n } catch (error) {\n this.logger.debug(\n 'Remote config client subscription wait for remote mode exceeded timeout. Try to fetch from cache.',\n );\n const result = await this.storage.fetchConfig();\n if (result.remoteConfig !== null) {\n this.logger.debug('Remote config client subscription wait for remote mode returns a cached copy.');\n this.sendCallback(callbackInfo, result, 'cache');\n } else {\n this.logger.debug('Remote config client subscription wait for remote mode failed to fetch cache.');\n this.sendCallback(callbackInfo, result, 'remote');\n }\n }\n }\n\n /\n Call the callback with filtered remote config based on key.\n * @param remoteConfigInfo - the whole remote config object without filtering by key.\n /\n sendCallback(callbackInfo: CallbackInfo, remoteConfigInfo: RemoteConfigInfo, source: Source) {\n callbackInfo.lastCallback = new Date();\n\n let filteredConfig: RemoteConfig \| null;\n if (callbackInfo.key) {\n // Filter remote config by key.\n // For example, if remote config is {a: {b: {c: 1}}},\n // if key = 'a', filter result is {b: {c: 1}};\n // if key = 'a.b', filter result is {c: 1}\n filteredConfig = callbackInfo.key.split('.').reduce((config, key) => {\n if (config === null) {\n return config;\n }\n\n return key in config ? (config[key] as RemoteConfig) : null;\n }, remoteConfigInfo.remoteConfig);\n } else {\n filteredConfig = remoteConfigInfo.remoteConfig;\n }\n\n callbackInfo.callback(filteredConfig, source, remoteConfigInfo.lastFetch);\n }\n\n /\n Fetch remote config from remote.\n * @param retries - the number of retries. default is 3.\n * @param timeout - the timeout in milliseconds. Default is 1000.\n * This timeout serves two purposes:\n * 1. It determines how long to wait for each remote config fetch request before aborting it.\n * If the fetch does not complete within the specified timeout, the request is cancelled using AbortController,\n * and the attempt is considered failed (and may be retried if retries remain).\n * 2. It is also used to calculate the interval between retries. The total timeout is divided by the number of retries,\n * so each retry waits for (timeout / retries) milliseconds before the next attempt (linear backoff).\n * Retry behavior by status code:\n * - 401: invalid API key (stop retries and disable future updateConfigs calls).\n * - 429: retry up to max retries.\n * - other 4xx: no retry.\n * - 5xx and network failures: retry up to max retries.\n * @returns the remote config info. null if failed to fetch or the response is not valid JSON.\n /\n async fetch(retries: number = DEFAULT_MAX_RETRIES, timeout: number = DEFAULT_TIMEOUT): Promise<RemoteConfigInfo> {\n const interval = timeout / retries;\n const failedRemoteConfigInfo: RemoteConfigInfo = {\n remoteConfig: null,\n lastFetch: new Date(),\n };\n\n for (let attempt = 0; attempt < retries; attempt++) {\n let shouldRetry = true;\n // Create AbortController for request timeout\n const abortController = new AbortController();\n const timeoutId = setTimeout(() => abortController.abort(), timeout);\n\n try {\n const url = this.getUrlParams();\n const headers: Record<string, string> = { Accept: '/' };\n // When a custom transport is configured, hand it the fully-formed request and let it own\n // the network call; otherwise use the built-in fetch. Retry/response handling is identical.\n // The built-in fetch cancels directly on the signal; the custom transport can't be\n // cancelled, so race it against the abort (abortableFetch) to enforce the timeout even if\n // the transport ignores the signal — otherwise a hung transport would block every retry.\n const res = this.customFetch\n ? await abortableFetch(\n this.customFetch({ url, method: 'GET', headers, signal: abortController.signal }),\n abortController.signal,\n )\n : await fetch(url, {\n method: 'GET',\n headers,\n signal: abortController.signal,\n });\n\n // Treat a 2xx status as success even when `res.ok` is absent. A custom transport may return\n // a Response-like object that sets `status`/`text()`/`json()` but not `ok` (e.g. an axios\n // adapter); falling back to the status range keeps the config path consistent with the\n // event-upload path while still honoring native fetch's `ok`.\n const isSuccess = res.ok \|\| (res.status >= 200 && res.status < 300);\n // Handle unsuccessful fetch\n if (!isSuccess) {\n const body = await res.text();\n this.logger.debug(`Remote config client fetch with retry time ${retries} failed with ${res.status}: ${body}`);\n\n if (res.status === CODE_STATUS.INVALID_API_KEY \|\| res.status === CODE_STATUS.FORBIDDEN) {\n this.logger.error(\n `Remote config client fetch failed with ${res.status}. Invalid API key; future fetches will be skipped.`,\n );\n this.isLastFetchInvalidApiKey = true;\n shouldRetry = false;\n } else if (res.status >= 400 && res.status < 500 && res.status !== CODE_STATUS.RATE_LIMIT) {\n shouldRetry = false;\n }\n } else {\n // Handle successful fetch\n const remoteConfig: RemoteConfig = (await res.json()) as RemoteConfig;\n return {\n remoteConfig: remoteConfig,\n lastFetch: new Date(),\n };\n }\n } catch (error) {\n // Handle rejects when the request fails, for example, a network error or timeout\n if (error instanceof Error && error.name === 'AbortError') {\n this.logger.debug(`Remote config client fetch with retry time ${retries} timed out after ${timeout}ms`);\n } else {\n this.logger.debug(`Remote config client fetch with retry time ${retries} is rejected because: `, error);\n }\n } finally {\n // Clear the timeout since request completed or failed\n clearTimeout(timeoutId);\n }\n\n if (!shouldRetry) {\n break;\n }\n\n // Linear backoff:\n // wait for the specified interval before the next attempt\n // except after the last attempt.\n if (attempt < retries - 1) {\n await new Promise((resolve) => setTimeout(resolve, this.getJitterDelay(interval)));\n }\n }\n\n return failedRemoteConfigInfo;\n }\n\n /\n Return jitter in the bound of [0,baseDelay) and then floor round.\n /\n getJitterDelay(baseDelay: number): number {\n return Math.floor(Math.random() baseDelay);\n }\n\n getUrlParams(): string {\n // URL encode the API key to handle special characters\n const encodedApiKey = encodeURIComponent(this.apiKey);\n\n const urlParams = new URLSearchParams();\n urlParams.append('config_group', RemoteConfigClient.CONFIG_GROUP);\n\n return `${this.serverUrl}/${encodedApiKey}?${urlParams.toString()}`;\n }\n}\n"]}

+5

-0

lib/esm/types/event/base-event.d.ts

		import { Plan } from './plan';
		import { IngestionMetadataEventProperty } from './ingestion-metadata';
		export interface Delay {
		id: string;
		timeout?: number;
		}
		export interface BaseEvent extends EventOptions {
		@@ -63,3 +67,4 @@ event_type: string;
		} \| undefined;
		delay?: Delay;
		}
		//# sourceMappingURL=base-event.d.ts.map

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lib/esm/types/event/base-event.js.map

		@@ -1,1 +0,1 @@
		{"version":3,"file":"base-event.js","sourceRoot":"","sources":["../../../../src/types/event/base-event.ts"],"names":[],"mappings":"","sourcesContent":["import { Plan } from './plan';\nimport { IngestionMetadataEventProperty } from './ingestion-metadata';\n\nexport interface BaseEvent extends EventOptions {\n event_type: string;\n event_properties?: { [key: string]: any } \| undefined;\n user_properties?: { [key: string]: any } \| undefined;\n group_properties?: { [key: string]: any } \| undefined;\n}\n\nexport interface EventOptions {\n user_id?: string;\n device_id?: string;\n time?: number;\n location_lat?: number;\n location_lng?: number;\n app_version?: string;\n version_name?: string;\n library?: string;\n platform?: string;\n os_name?: string;\n os_version?: string;\n device_brand?: string;\n device_manufacturer?: string;\n device_model?: string;\n carrier?: string;\n country?: string;\n region?: string;\n city?: string;\n dma?: string;\n idfa?: string;\n idfv?: string;\n adid?: string;\n android_id?: string;\n language?: string;\n ip?: string;\n price?: number;\n quantity?: number;\n revenue?: number;\n receipt?: string;\n receiptSig?: string;\n productId?: string;\n revenueType?: string;\n currency?: string;\n event_id?: number;\n session_id?: number;\n insert_id?: string;\n plan?: Plan;\n ingestion_metadata?: IngestionMetadataEventProperty;\n partner_id?: string;\n user_agent?: string;\n android_app_set_id?: string;\n extra?: { [key: string]: any };\n groups?: { [key: string]: any } \| undefined;\n}\n"]}
		{"version":3,"file":"base-event.js","sourceRoot":"","sources":["../../../../src/types/event/base-event.ts"],"names":[],"mappings":"","sourcesContent":["import { Plan } from './plan';\nimport { IngestionMetadataEventProperty } from './ingestion-metadata';\n\nexport interface Delay {\n id: string;\n timeout?: number;\n}\n\nexport interface BaseEvent extends EventOptions {\n event_type: string;\n event_properties?: { [key: string]: any } \| undefined;\n user_properties?: { [key: string]: any } \| undefined;\n group_properties?: { [key: string]: any } \| undefined;\n}\n\nexport interface EventOptions {\n user_id?: string;\n device_id?: string;\n time?: number;\n location_lat?: number;\n location_lng?: number;\n app_version?: string;\n version_name?: string;\n library?: string;\n platform?: string;\n os_name?: string;\n os_version?: string;\n device_brand?: string;\n device_manufacturer?: string;\n device_model?: string;\n carrier?: string;\n country?: string;\n region?: string;\n city?: string;\n dma?: string;\n idfa?: string;\n idfv?: string;\n adid?: string;\n android_id?: string;\n language?: string;\n ip?: string;\n price?: number;\n quantity?: number;\n revenue?: number;\n receipt?: string;\n receiptSig?: string;\n productId?: string;\n revenueType?: string;\n currency?: string;\n event_id?: number;\n session_id?: number;\n insert_id?: string;\n plan?: Plan;\n ingestion_metadata?: IngestionMetadataEventProperty;\n partner_id?: string;\n user_agent?: string;\n android_app_set_id?: string;\n extra?: { [key: string]: any };\n groups?: { [key: string]: any } \| undefined;\n delay?: Delay;\n}\n"]}

+1

-1

package.json

		{
		"name": "@amplitude/analytics-core",
		"version": "2.51.0",
		"version": "2.52.0",
		"description": "",
		@@ -5,0 +5,0 @@ "author": "Amplitude Inc",

@amplitude/analytics-core - npm Package Compare versions

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