Add `durations` utility for computing durations

ts/background.ts

@@ -19,6 +19,7 @@ import { getTitleBarVisibility, TitleBarVisibility } from './types/Settings';
 import { SocketStatus } from './types/SocketStatus';
 import { DEFAULT_CONVERSATION_COLOR } from './types/Colors';
 import { ChallengeHandler } from './challenge';
+import * as durations from './util/durations';
 import { isWindowDragElement } from './util/isWindowDragElement';
 import { assert, strictAssert } from './util/assert';
 import { dropNull } from './util/dropNull';
@@ -2261,7 +2262,7 @@ export async function startApp(): Promise<void> {
 
   window.SignalContext.nativeThemeListener.subscribe(themeChanged);
 
-  const FIVE_MINUTES = 5 * 60 * 1000;
+  const FIVE_MINUTES = 5 * durations.MINUTE;
 
   // Note: once this function returns, there still might be messages being processed on
   //   a given conversation's queue. But we have processed all events from the websocket.

ts/groups.ts

@@ -23,6 +23,7 @@ import dataInterface from './sql/Client';
 import { toWebSafeBase64, fromWebSafeBase64 } from './util/webSafeBase64';
 import { assert, strictAssert } from './util/assert';
 import { isMoreRecentThan } from './util/timestamp';
+import * as durations from './util/durations';
 import { normalizeUuid } from './util/normalizeUuid';
 import { dropNull } from './util/dropNull';
 import {
@@ -1252,9 +1253,8 @@ export async function modifyGroupV2({
     );
   }
 
-  const ONE_MINUTE = 1000 * 60;
   const startTime = Date.now();
-  const timeoutTime = startTime + ONE_MINUTE;
+  const timeoutTime = startTime + durations.MINUTE;
 
   const MAX_ATTEMPTS = 5;
 
@@ -2723,7 +2723,7 @@ type MaybeUpdatePropsType = {
   force?: boolean;
 };
 
-const FIVE_MINUTES = 1000 * 60 * 5;
+const FIVE_MINUTES = 5 * durations.MINUTE;
 
 export async function waitThenMaybeUpdateGroup(
   options: MaybeUpdatePropsType,

ts/jobs/readSyncJobQueue.ts

@@ -4,7 +4,7 @@
 /* eslint-disable class-methods-use-this */
 
 import * as z from 'zod';
-import * as moment from 'moment';
+import * as durations from '../util/durations';
 import type { LoggerType } from '../logging/log';
 import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
 import { runReadOrViewSyncJob } from './helpers/runReadOrViewSyncJob';
@@ -12,7 +12,7 @@ import { runReadOrViewSyncJob } from './helpers/runReadOrViewSyncJob';
 import { JobQueue } from './JobQueue';
 import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
 
-const MAX_RETRY_TIME = moment.duration(1, 'day').asMilliseconds();
+const MAX_RETRY_TIME = durations.DAY;
 
 const readSyncJobDataSchema = z.object({
   readSyncs: z.array(

ts/jobs/reportSpamJobQueue.ts

@@ -3,7 +3,7 @@
 /* eslint-disable class-methods-use-this */
 
 import * as z from 'zod';
-import * as moment from 'moment';
+import * as durations from '../util/durations';
 import { strictAssert } from '../util/assert';
 import { waitForOnline } from '../util/waitForOnline';
 import { isDone as isDeviceLinked } from '../util/registration';
@@ -16,7 +16,7 @@ import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
 import { parseIntWithFallback } from '../util/parseIntWithFallback';
 import type { WebAPIType } from '../textsecure/WebAPI';
 
-const RETRY_WAIT_TIME = moment.duration(1, 'minute').asMilliseconds();
+const RETRY_WAIT_TIME = durations.MINUTE;
 const RETRYABLE_4XX_FAILURE_STATUSES = new Set([
   404,
   408,

ts/jobs/viewSyncJobQueue.ts

@@ -4,7 +4,7 @@
 /* eslint-disable class-methods-use-this */
 
 import * as z from 'zod';
-import * as moment from 'moment';
+import * as durations from '../util/durations';
 import type { LoggerType } from '../logging/log';
 import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
 import { runReadOrViewSyncJob } from './helpers/runReadOrViewSyncJob';
@@ -12,7 +12,7 @@ import { runReadOrViewSyncJob } from './helpers/runReadOrViewSyncJob';
 import { JobQueue } from './JobQueue';
 import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
 
-const MAX_RETRY_TIME = moment.duration(1, 'day').asMilliseconds();
+const MAX_RETRY_TIME = durations.DAY;
 
 const viewSyncJobDataSchema = z.object({
   viewSyncs: z.array(

ts/jobs/viewedReceiptsJobQueue.ts

@@ -4,7 +4,7 @@
 /* eslint-disable class-methods-use-this */
 
 import { z } from 'zod';
-import * as moment from 'moment';
+import * as durations from '../util/durations';
 import type { LoggerType } from '../logging/log';
 import { exponentialBackoffMaxAttempts } from '../util/exponentialBackoff';
 import { commonShouldJobContinue } from './helpers/commonShouldJobContinue';
@@ -14,7 +14,7 @@ import { JobQueue } from './JobQueue';
 import { jobQueueDatabaseStore } from './JobQueueDatabaseStore';
 import { handleCommonJobRequestError } from './helpers/handleCommonJobRequestError';
 
-const MAX_RETRY_TIME = moment.duration(1, 'day').asMilliseconds();
+const MAX_RETRY_TIME = durations.DAY;
 
 const viewedReceiptsJobDataSchema = z.object({
   viewedReceipt: z.object({

ts/messageModifiers/AttachmentDownloads.ts

@@ -5,6 +5,7 @@ import { isNumber, omit } from 'lodash';
 import { v4 as getGuid } from 'uuid';
 
 import dataInterface from '../sql/Client';
+import * as durations from '../util/durations';
 import { downloadAttachment } from '../util/downloadAttachment';
 import { stringFromBytes } from '../Crypto';
 import {
@@ -28,15 +29,12 @@ const {
 
 const MAX_ATTACHMENT_JOB_PARALLELISM = 3;
 
-const SECOND = 1000;
-const MINUTE = 60 * SECOND;
-const HOUR = 60 * MINUTE;
-const TICK_INTERVAL = MINUTE;
+const TICK_INTERVAL = durations.MINUTE;
 
 const RETRY_BACKOFF: Record<number, number> = {
-  1: 30 * SECOND,
-  2: 30 * MINUTE,
-  3: 6 * HOUR,
+  1: 30 * durations.SECOND,
+  2: 30 * durations.MINUTE,
+  3: 6 * durations.HOUR,
 };
 
 let enabled = false;

ts/models/conversations.ts

@@ -56,6 +56,7 @@ import { sendReadReceiptsFor } from '../util/sendReadReceiptsFor';
 import { updateConversationsWithUuidLookup } from '../updateConversationsWithUuidLookup';
 import { ReadStatus } from '../messages/MessageReadStatus';
 import { SendStatus } from '../messages/MessageSendState';
+import * as durations from '../util/durations';
 import {
   concat,
   filter,
@@ -106,8 +107,8 @@ const {
 } = window.Signal.Migrations;
 const { addStickerPackReference } = window.Signal.Data;
 
-const THREE_HOURS = 3 * 60 * 60 * 1000;
-const FIVE_MINUTES = 1000 * 60 * 5;
+const THREE_HOURS = durations.HOUR * 3;
+const FIVE_MINUTES = durations.MINUTE * 5;
 
 const JOB_REPORTING_THRESHOLD_MS = 25;
 

ts/services/calling.ts

@@ -34,7 +34,6 @@ import {
   BandwidthMode,
 } from 'ringrtc';
 import { uniqBy, noop } from 'lodash';
-import * as moment from 'moment';
 
 import {
   ActionsType as UxActionsType,
@@ -63,6 +62,7 @@ import {
 import { assert } from '../util/assert';
 import { dropNull, shallowDropNull } from '../util/dropNull';
 import { getOwn } from '../util/getOwn';
+import * as durations from '../util/durations';
 import { handleMessageSend } from '../util/handleMessageSend';
 import {
   fetchMembershipProof,
@@ -99,9 +99,7 @@ const RINGRTC_HTTP_METHOD_TO_OUR_HTTP_METHOD: Map<
   [HttpMethod.Delete, 'DELETE'],
 ]);
 
-const CLEAN_EXPIRED_GROUP_CALL_RINGS_INTERVAL = moment
-  .duration(10, 'minutes')
-  .asMilliseconds();
+const CLEAN_EXPIRED_GROUP_CALL_RINGS_INTERVAL = 10 * durations.MINUTE;
 
 // We send group call update messages to tell other clients to peek, which triggers
 //   notifications, timeline messages, big green "Join" buttons, and so on. This enum

ts/services/groupCredentialFetcher.ts

@@ -11,6 +11,7 @@ import {
 } from '../util/zkgroup';
 
 import { GroupCredentialType } from '../textsecure/WebAPI';
+import * as durations from '../util/durations';
 import { BackOff } from '../util/BackOff';
 import { sleep } from '../util/sleep';
 
@@ -26,13 +27,8 @@ type NextCredentialsType = {
   tomorrow: GroupCredentialType;
 };
 
-const SECOND = 1000;
-const MINUTE = 60 * SECOND;
-const HOUR = 60 * MINUTE;
-const DAY = 24 * HOUR;
-
 function getTodayInEpoch() {
-  return Math.floor(Date.now() / DAY);
+  return Math.floor(Date.now() / durations.DAY);
 }
 
 let started = false;
@@ -48,15 +44,17 @@ export async function initializeGroupCredentialFetcher(): Promise<void> {
   // Because we fetch eight days of credentials at a time, we really only need to run
   //   this about once a week. But there's no problem running it more often; it will do
   //   nothing if no new credentials are needed, and will only request needed credentials.
-  await runWithRetry(maybeFetchNewCredentials, { scheduleAnother: 4 * HOUR });
+  await runWithRetry(maybeFetchNewCredentials, {
+    scheduleAnother: 4 * durations.HOUR,
+  });
 }
 
 const BACKOFF_TIMEOUTS = [
-  SECOND,
-  5 * SECOND,
-  30 * SECOND,
-  2 * MINUTE,
-  5 * MINUTE,
+  durations.SECOND,
+  5 * durations.SECOND,
+  30 * durations.SECOND,
+  2 * durations.MINUTE,
+  5 * durations.MINUTE,
 ];
 
 export async function runWithRetry(

ts/services/storage.ts

@@ -26,6 +26,7 @@ import {
 } from './storageRecordOps';
 import { ConversationModel } from '../models/conversations';
 import { strictAssert } from '../util/assert';
+import * as durations from '../util/durations';
 import { BackOff } from '../util/BackOff';
 import { handleMessageSend } from '../util/handleMessageSend';
 import { storageJobQueue } from '../util/JobQueue';
@@ -60,18 +61,19 @@ const validRecordTypes = new Set([
   4, // ACCOUNT
 ]);
 
-const SECOND = 1000;
-const MINUTE = 60 * SECOND;
-
 const backOff = new BackOff([
-  SECOND,
-  5 * SECOND,
-  30 * SECOND,
-  2 * MINUTE,
-  5 * MINUTE,
+  durations.SECOND,
+  5 * durations.SECOND,
+  30 * durations.SECOND,
+  2 * durations.MINUTE,
+  5 * durations.MINUTE,
 ]);
 
-const conflictBackOff = new BackOff([SECOND, 5 * SECOND, 30 * SECOND]);
+const conflictBackOff = new BackOff([
+  durations.SECOND,
+  5 * durations.SECOND,
+  30 * durations.SECOND,
+]);
 
 function redactStorageID(storageID: string): string {
   return storageID.substring(0, 3);
@@ -1112,7 +1114,7 @@ async function upload(fromSync = false): Promise<void> {
     if (uploadBucket.length >= 3) {
       const [firstMostRecentWrite] = uploadBucket;
 
-      if (isMoreRecentThan(5 * MINUTE, firstMostRecentWrite)) {
+      if (isMoreRecentThan(5 * durations.MINUTE, firstMostRecentWrite)) {
         throw new Error(
           'storageService.uploadManifest: too many writes too soon.'
         );

ts/sql/Client.ts

@@ -29,6 +29,7 @@ import { arrayBufferToBase64, base64ToArrayBuffer } from '../Crypto';
 import { CURRENT_SCHEMA_VERSION } from '../../js/modules/types/message';
 import { createBatcher } from '../util/batcher';
 import { assert } from '../util/assert';
+import * as durations from '../util/durations';
 import { cleanDataForIpc } from './cleanDataForIpc';
 import { ReactionType } from '../types/Reactions';
 import { ConversationColorType, CustomColorType } from '../types/Colors';
@@ -82,7 +83,7 @@ if (ipcRenderer && ipcRenderer.setMaxListeners) {
   window.log.warn('sql/Client: ipcRenderer is not available!');
 }
 
-const DATABASE_UPDATE_TIMEOUT = 2 * 60 * 1000; // two minutes
+const DATABASE_UPDATE_TIMEOUT = 2 * durations.MINUTE;
 
 const MIN_TRACE_DURATION = 10;
 

ts/sql/Server.ts

@@ -13,7 +13,6 @@ import mkdirp from 'mkdirp';
 import rimraf from 'rimraf';
 import SQL, { Database, Statement } from 'better-sqlite3';
 import pProps from 'p-props';
-import * as moment from 'moment';
 
 import { v4 as generateUUID } from 'uuid';
 import {
@@ -41,6 +40,7 @@ import { dropNull } from '../util/dropNull';
 import { isNormalNumber } from '../util/isNormalNumber';
 import { isNotNil } from '../util/isNotNil';
 import { parseIntOrThrow } from '../util/parseIntOrThrow';
+import * as durations from '../util/durations';
 import { formatCountForLogging } from '../logging/formatCountForLogging';
 import { ConversationColorType, CustomColorType } from '../types/Colors';
 import { ProcessGroupCallRingRequestResult } from '../types/Calling';
@@ -5965,7 +5965,7 @@ async function processGroupCallRingCancelation(ringId: bigint): Promise<void> {
 
 // This age, in milliseconds, should be longer than any group call ring duration. Beyond
 //   that, it doesn't really matter what the value is.
-const MAX_GROUP_CALL_RING_AGE = moment.duration(30, 'minutes').asMilliseconds();
+const MAX_GROUP_CALL_RING_AGE = 30 * durations.MINUTE;
 
 async function cleanExpiredGroupCallRings(): Promise<void> {
   const db = getInstance();

ts/test-both/util/expireTimers.ts

@@ -1,18 +1,14 @@
 // Copyright 2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+import * as durations from '../../util/durations';
+
 export type TestExpireTimer = Readonly<{ value: number; label: string }>;
 
-const SECOND = 1;
-const MINUTE = 60 * SECOND;
-const HOUR = 60 * MINUTE;
-const DAY = 24 * HOUR;
-const WEEK = 7 * DAY;
-
 export const EXPIRE_TIMERS: ReadonlyArray<TestExpireTimer> = [
-  { value: 42 * SECOND, label: '42 seconds' },
-  { value: 5 * MINUTE, label: '5 minutes' },
-  { value: 1 * HOUR, label: '1 hour' },
-  { value: 6 * DAY, label: '6 days' },
-  { value: 3 * WEEK, label: '3 weeks' },
+  { value: 42 * durations.SECOND, label: '42 seconds' },
+  { value: 5 * durations.MINUTE, label: '5 minutes' },
+  { value: 1 * durations.HOUR, label: '1 hour' },
+  { value: 6 * durations.DAY, label: '6 days' },
+  { value: 3 * durations.WEEK, label: '3 weeks' },
 ];

ts/test-both/util/exponentialBackoff_test.ts

@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { assert } from 'chai';
-import * as moment from 'moment';
+import * as durations from '../../util/durations';
 
 import {
   exponentialBackoffSleepTime,
@@ -20,7 +20,7 @@ describe('exponential backoff utilities', () => {
     });
 
     it('plateaus at a maximum after 15 attempts', () => {
-      const maximum = moment.duration(15, 'minutes').asMilliseconds();
+      const maximum = 15 * durations.MINUTE;
       for (let attempt = 16; attempt < 100; attempt += 1) {
         assert.strictEqual(exponentialBackoffSleepTime(attempt), maximum);
       }
@@ -39,8 +39,7 @@ describe('exponential backoff utilities', () => {
 
     it('returns 110 attempts for 1 day', () => {
       // This is a test case that is lifted from iOS's codebase.
-      const oneDay = moment.duration(24, 'hours').asMilliseconds();
-      assert.strictEqual(exponentialBackoffMaxAttempts(oneDay), 110);
+      assert.strictEqual(exponentialBackoffMaxAttempts(durations.DAY), 110);
     });
   });
 });

ts/test-both/util/isConversationUnregistered_test.ts

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { assert } from 'chai';
+import * as durations from '../../util/durations';
 
 import { isConversationUnregistered } from '../../util/isConversationUnregistered';
 
@@ -33,12 +34,10 @@ describe('isConversationUnregistered', () => {
   });
 
   it('returns false if passed a time more than 6 hours ago', () => {
-    const oneMinute = 1000 * 60;
-    const sixHours = 1000 * 60 * 60 * 6;
-
     assert.isFalse(
       isConversationUnregistered({
-        discoveredUnregisteredAt: Date.now() - sixHours - oneMinute,
+        discoveredUnregisteredAt:
+          Date.now() - 6 * durations.HOUR - durations.MINUTE,
       })
     );
     assert.isFalse(

ts/test-electron/services/senderCertificate_test.ts

@@ -8,6 +8,7 @@ import { assert } from 'chai';
 import * as sinon from 'sinon';
 import { v4 as uuid } from 'uuid';
 import Long from 'long';
+import * as durations from '../../util/durations';
 import * as Bytes from '../../Bytes';
 import { typedArrayToArrayBuffer } from '../../Crypto';
 import { SenderCertificateMode } from '../../textsecure/OutgoingMessage';
@@ -18,7 +19,7 @@ import { SenderCertificateService } from '../../services/senderCertificate';
 import SenderCertificate = Proto.SenderCertificate;
 
 describe('SenderCertificateService', () => {
-  const FIFTEEN_MINUTES = 15 * 60 * 1000;
+  const FIFTEEN_MINUTES = 15 * durations.MINUTE;
 
   let fakeValidCertificate: SenderCertificate;
   let fakeValidCertificateExpiry: number;

ts/textsecure/SocketManager.ts

@@ -14,6 +14,7 @@ import { strictAssert } from '../util/assert';
 import { explodePromise } from '../util/explodePromise';
 import { BackOff, FIBONACCI_TIMEOUTS } from '../util/BackOff';
 import { getUserAgent } from '../util/getUserAgent';
+import * as durations from '../util/durations';
 import { sleep } from '../util/sleep';
 import { SocketStatus } from '../types/SocketStatus';
 import * as Errors from '../types/errors';
@@ -30,9 +31,9 @@ import { WebAPICredentials, IRequestHandler } from './Types.d';
 // TODO: remove once we move away from ArrayBuffers
 const FIXMEU8 = Uint8Array;
 
-const TEN_SECONDS = 1000 * 10;
+const TEN_SECONDS = 10 * durations.SECOND;
 
-const FIVE_MINUTES = 5 * 60 * 1000;
+const FIVE_MINUTES = 5 * durations.MINUTE;
 
 export type SocketManagerOptions = Readonly<{
   url: string;

ts/textsecure/TaskWithTimeout.ts

@@ -1,12 +1,14 @@
 // Copyright 2020 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+import * as durations from '../util/durations';
+
 export default function createTaskWithTimeout<T, Args extends Array<unknown>>(
   task: (...args: Args) => Promise<T>,
   id: string,
   options: { timeout?: number } = {}
 ): (...args: Args) => Promise<T> {
-  const timeout = options.timeout || 1000 * 60 * 2; // two minutes
+  const timeout = options.timeout || 2 * durations.MINUTE;
 
   const errorForStack = new Error('for stack');
 

ts/textsecure/WebAPI.ts

@@ -30,6 +30,7 @@ import { z } from 'zod';
 import Long from 'long';
 
 import { assert, strictAssert } from '../util/assert';
+import * as durations from '../util/durations';
 import { getUserAgent } from '../util/getUserAgent';
 import { toWebSafeBase64 } from '../util/webSafeBase64';
 import { SocketStatus } from '../types/SocketStatus';
@@ -266,7 +267,7 @@ function _validateResponse(response: any, schema: any) {
   return true;
 }
 
-const FIVE_MINUTES = 1000 * 60 * 5;
+const FIVE_MINUTES = 5 * durations.MINUTE;
 
 type AgentCacheType = {
   [name: string]: {

ts/textsecure/WebsocketResources.ts

@@ -27,6 +27,7 @@ import { connection as WebSocket, IMessage } from 'websocket';
 
 import EventTarget, { EventHandler } from './EventTarget';
 
+import * as durations from '../util/durations';
 import { dropNull } from '../util/dropNull';
 import { isOlderThan } from '../util/timestamp';
 import { strictAssert } from '../util/assert';
@@ -34,7 +35,7 @@ import { normalizeNumber } from '../util/normalizeNumber';
 import * as Errors from '../types/errors';
 import { SignalService as Proto } from '../protobuf';
 
-const THIRTY_SECONDS = 30 * 1000;
+const THIRTY_SECONDS = 30 * durations.SECOND;
 
 const MAX_MESSAGE_SIZE = 64 * 1024;
 
@@ -385,7 +386,7 @@ export type KeepAliveOptionsType = {
 
 const KEEPALIVE_INTERVAL_MS = 55000; // 55 seconds + 5 seconds for closing the
 // socket above.
-const MAX_KEEPALIVE_INTERVAL_MS = 300 * 1000; // 5 minutes
+const MAX_KEEPALIVE_INTERVAL_MS = 5 * durations.MINUTE;
 
 class KeepAlive {
   private keepAliveTimer: NodeJS.Timeout | undefined;

ts/updater/macos.ts

@@ -21,14 +21,13 @@ import {
   setUpdateListener,
   UpdaterInterface,
 } from './common';
+import * as durations from '../util/durations';
 import { LoggerType } from '../types/Logging';
 import { hexToBinary, verifySignature } from './signature';
 import { markShouldQuit } from '../../app/window_state';
 import { DialogType } from '../types/Dialogs';
 
-const SECOND = 1000;
-const MINUTE = SECOND * 60;
-const INTERVAL = MINUTE * 30;
+const INTERVAL = 30 * durations.MINUTE;
 
 export async function start(
   getMainWindow: () => BrowserWindow,

ts/updater/windows.ts

@@ -19,6 +19,7 @@ import {
   setUpdateListener,
   UpdaterInterface,
 } from './common';
+import * as durations from '../util/durations';
 import { LoggerType } from '../types/Logging';
 import { hexToBinary, verifySignature } from './signature';
 import { markShouldQuit } from '../../app/window_state';
@@ -27,9 +28,7 @@ import { DialogType } from '../types/Dialogs';
 const readdir = pify(readdirCallback);
 const unlink = pify(unlinkCallback);
 
-const SECOND = 1000;
-const MINUTE = SECOND * 60;
-const INTERVAL = MINUTE * 30;
+const INTERVAL = 30 * durations.MINUTE;
 
 let fileName: string;
 let version: string;

ts/util/MessageController.ts

@@ -2,13 +2,11 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { MessageModel } from '../models/messages';
+import * as durations from './durations';
 import { map, filter } from './iterables';
 import { isNotNil } from './isNotNil';
 
-const SECOND = 1000;
-const MINUTE = SECOND * 60;
-const FIVE_MINUTES = MINUTE * 5;
-const HOUR = MINUTE * 60;
+const FIVE_MINUTES = 5 * durations.MINUTE;
 
 type LookupItemType = {
   timestamp: number;
@@ -121,6 +119,6 @@ export class MessageController {
   }
 
   startCleanupInterval(): NodeJS.Timeout | number {
-    return setInterval(this.cleanup.bind(this), HOUR);
+    return setInterval(this.cleanup.bind(this), durations.HOUR);
   }
 }

ts/util/createIPCEvents.ts

@@ -28,6 +28,7 @@ import * as universalExpireTimer from './universalExpireTimer';
 import { PhoneNumberDiscoverability } from './phoneNumberDiscoverability';
 import { PhoneNumberSharingMode } from './phoneNumberSharingMode';
 import { assert } from './assert';
+import * as durations from './durations';
 import { isPhoneNumberSharingEnabled } from './isPhoneNumberSharingEnabled';
 
 type ThemeType = 'light' | 'dark' | 'system';
@@ -333,7 +334,7 @@ export function createIPCEvents(
     isPrimary: () => window.textsecure.storage.user.getDeviceId() === 1,
     syncRequest: () =>
       new Promise<void>((resolve, reject) => {
-        const FIVE_MINUTES = 5 * 60 * 60 * 1000;
+        const FIVE_MINUTES = 5 * durations.MINUTE;
         const syncRequest = window.getSyncRequest(FIVE_MINUTES);
         syncRequest.addEventListener('success', () => resolve());
         syncRequest.addEventListener('timeout', () =>

ts/util/durations.ts

@@ -0,0 +1,8 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+export const SECOND = 1000;
+export const MINUTE = SECOND * 60;
+export const HOUR = MINUTE * 60;
+export const DAY = HOUR * 24;
+export const WEEK = DAY * 7;

ts/util/exponentialBackoff.ts

@@ -1,10 +1,10 @@
 // Copyright 2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import * as moment from 'moment';
+import * as durations from './durations';
 
 const BACKOFF_FACTOR = 1.9;
-const MAX_BACKOFF = moment.duration(15, 'minutes').asMilliseconds();
+const MAX_BACKOFF = 15 * durations.MINUTE;
 
 /**
  * For a given attempt, how long should we sleep (in milliseconds)?

ts/util/getMuteOptions.ts

@@ -1,7 +1,7 @@
 // Copyright 2020-2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import moment from 'moment';
+import * as durations from './durations';
 import { LocalizerType } from '../types/Util';
 import { getMutedUntilText } from './getMutedUntilText';
 import { isMuted } from './isMuted';
@@ -32,19 +32,19 @@ export function getMuteOptions(
       : []),
     {
       name: i18n('muteHour'),
-      value: moment.duration(1, 'hour').as('milliseconds'),
+      value: durations.HOUR,
     },
     {
       name: i18n('muteEightHours'),
-      value: moment.duration(8, 'hour').as('milliseconds'),
+      value: 8 * durations.HOUR,
     },
     {
       name: i18n('muteDay'),
-      value: moment.duration(1, 'day').as('milliseconds'),
+      value: durations.DAY,
     },
     {
       name: i18n('muteWeek'),
-      value: moment.duration(1, 'week').as('milliseconds'),
+      value: durations.WEEK,
     },
     {
       name: i18n('muteAlways'),