CODEBASE: Add custom useRerender hook (#359)

src/Augmentation/ui/AugmentationsRoot.tsx

@@ -2,7 +2,7 @@
  * Root React component for the Augmentations UI page that display all of your
  * owned and purchased Augmentations and Source-Files.
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 
 import { InstalledAugmentations } from "./InstalledAugmentations";
 import { PlayerMultipliers } from "./PlayerMultipliers";
@@ -26,6 +26,7 @@ import { formatNumberNoSuffix } from "../../ui/formatNumber";
 import { Info } from "@mui/icons-material";
 import { Link } from "@mui/material";
 import { AlertEvents } from "../../ui/React/AlertManager";
+import { useRerender } from "../../ui/React/hooks";
 
 const NeuroFluxDisplay = (): React.ReactElement => {
   const level = Player.augmentations.find((e) => e.name === AugmentationNames.NeuroFluxGovernor)?.level ?? 0;
@@ -84,14 +85,7 @@ interface IProps {
 
 export function AugmentationsRoot(props: IProps): React.ReactElement {
   const [installOpen, setInstallOpen] = useState(false);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(200);
 
   function doExport(): void {
     props.exportGameFn();

src/Augmentation/ui/InstalledAugmentations.tsx

@@ -15,9 +15,10 @@ import { Settings } from "../../Settings/Settings";
 import { Player } from "@player";
 import { StaticAugmentations } from "../StaticAugmentations";
 import { AugmentationNames } from "../data/AugmentationNames";
+import { useRerender } from "../../ui/React/hooks";
 
 export function InstalledAugmentations(): React.ReactElement {
-  const setRerender = useState(true)[1];
+  const rerender = useRerender();
   const sourceAugs = Player.augmentations.slice().filter((aug) => aug.name !== AugmentationNames.NeuroFluxGovernor);
 
   const [selectedAug, setSelectedAug] = useState(sourceAugs[0]);
@@ -28,10 +29,6 @@ export function InstalledAugmentations(): React.ReactElement {
     });
   }
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   function sortByAcquirementTime(): void {
     Settings.OwnedAugmentationsOrder = OwnedAugmentationsOrderSetting.AcquirementTime;
     rerender();

src/Bladeburner/ui/BlackOpElem.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React from "react";
 import { formatNumberNoSuffix } from "../../ui/formatNumber";
 import { convertTimeMsToTimeElapsedString } from "../../utils/StringHelperFunctions";
 import { ActionTypes } from "../data/ActionTypes";
@@ -14,6 +14,7 @@ import { StartButton } from "./StartButton";
 
 import Typography from "@mui/material/Typography";
 import Paper from "@mui/material/Paper";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   bladeburner: Bladeburner;
@@ -21,10 +22,7 @@ interface IProps {
 }
 
 export function BlackOpElem(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
   const isCompleted = props.bladeburner.blackops[props.action.name] != null;
   if (isCompleted) {
     return (

src/Bladeburner/ui/BladeburnerRoot.tsx

@@ -1,22 +1,14 @@
-import React, { useState, useEffect } from "react";
+import React from "react";
 import { Stats } from "./Stats";
 import { Console } from "./Console";
 import { AllPages } from "./AllPages";
 
 import { Player } from "@player";
 import Box from "@mui/material/Box";
+import { useRerender } from "../../ui/React/hooks";
 
 export function BladeburnerRoot(): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
+  useRerender(200);
   const bladeburner = Player.bladeburner;
   if (!bladeburner) return <></>;
   return (

src/Bladeburner/ui/Console.tsx

@@ -11,6 +11,7 @@ import TextField from "@mui/material/TextField";
 import { Theme } from "@mui/material/styles";
 import makeStyles from "@mui/styles/makeStyles";
 import createStyles from "@mui/styles/createStyles";
+import { useRerender } from "../../ui/React/hooks";
 
 interface ILineProps {
   content: React.ReactNode;
@@ -54,8 +55,8 @@ interface IProps {
 export function Console(props: IProps): React.ReactElement {
   const classes = useStyles();
   const [command, setCommand] = useState("");
-  const setRerender = useState(false)[1];
   const consoleInput = useRef<HTMLInputElement>(null);
+  useRerender(1000);
 
   function handleCommandChange(event: React.ChangeEvent<HTMLInputElement>): void {
     setCommand(event.target.value);
@@ -63,17 +64,6 @@ export function Console(props: IProps): React.ReactElement {
 
   const [consoleHistoryIndex, setConsoleHistoryIndex] = useState(props.bladeburner.consoleHistory.length);
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 1000);
-    return () => {
-      clearInterval(id);
-    };
-  }, []);
-
   function handleKeyDown(event: React.KeyboardEvent<HTMLInputElement>): void {
     if (event.key === KEY.ENTER) {
       event.preventDefault();

src/Bladeburner/ui/ContractElem.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React from "react";
 import { ActionTypes } from "../data/ActionTypes";
 import { createProgressBarText } from "../../utils/helpers/createProgressBarText";
 import { convertTimeMsToTimeElapsedString } from "../../utils/StringHelperFunctions";
@@ -14,6 +14,7 @@ import { StartButton } from "./StartButton";
 import { formatNumberNoSuffix, formatBigNumber } from "../../ui/formatNumber";
 import Typography from "@mui/material/Typography";
 import Paper from "@mui/material/Paper";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   bladeburner: Bladeburner;
@@ -21,10 +22,7 @@ interface IProps {
 }
 
 export function ContractElem(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
   const isActive =
     props.bladeburner.action.type === ActionTypes["Contract"] && props.action.name === props.bladeburner.action.name;
   const computedActionTimeCurrent = Math.min(

src/Bladeburner/ui/GeneralActionElem.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React from "react";
 import { ActionTypes } from "../data/ActionTypes";
 import { createProgressBarText } from "../../utils/helpers/createProgressBarText";
 import { formatNumberNoSuffix } from "../../ui/formatNumber";
@@ -14,6 +14,7 @@ import { StartButton } from "./StartButton";
 import Typography from "@mui/material/Typography";
 import Box from "@mui/material/Box";
 import Paper from "@mui/material/Paper";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   bladeburner: Bladeburner;
@@ -21,10 +22,7 @@ interface IProps {
 }
 
 export function GeneralActionElem(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
   const isActive = props.action.name === props.bladeburner.action.name;
   const computedActionTimeCurrent = Math.min(
     props.bladeburner.actionTimeCurrent + props.bladeburner.actionTimeOverflow,

src/Bladeburner/ui/OperationElem.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React from "react";
 import { ActionTypes } from "../data/ActionTypes";
 import { createProgressBarText } from "../../utils/helpers/createProgressBarText";
 import { convertTimeMsToTimeElapsedString } from "../../utils/StringHelperFunctions";
@@ -15,6 +15,7 @@ import { CopyableText } from "../../ui/React/CopyableText";
 import { formatNumberNoSuffix, formatBigNumber } from "../../ui/formatNumber";
 import Typography from "@mui/material/Typography";
 import Paper from "@mui/material/Paper";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   bladeburner: Bladeburner;
@@ -22,10 +23,7 @@ interface IProps {
 }
 
 export function OperationElem(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
   const isActive =
     props.bladeburner.action.type === ActionTypes["Operation"] && props.action.name === props.bladeburner.action.name;
   const computedActionTimeCurrent = Math.min(

src/Corporation/ui/CorporationRoot.tsx

@@ -1,7 +1,7 @@
 // React Components for the Corporation UI's navigation tabs
 // These are the tabs at the top of the UI that let you switch to different
 // divisions, see an overview of your corporation, or create a new industry
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 import { MainPanel } from "./MainPanel";
 import { IndustryType } from "../data/Enums";
 import { ExpandIndustryTab } from "./ExpandIndustryTab";
@@ -11,22 +11,16 @@ import { Overview } from "./Overview";
 
 import Tabs from "@mui/material/Tabs";
 import Tab from "@mui/material/Tab";
+import { useRerender } from "../../ui/React/hooks";
 
 export function CorporationRoot(): React.ReactElement {
+  const rerender = useRerender(200);
   const corporation = Player.corporation;
   if (corporation === null) return <></>;
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
   const [divisionName, setDivisionName] = useState<string | number>("Overview");
   function handleChange(event: React.SyntheticEvent, tab: string | number): void {
     setDivisionName(tab);
   }
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
 
   const canExpand =
     Object.values(IndustryType).filter(

src/Corporation/ui/modals/ExportModal.tsx

@@ -14,6 +14,7 @@ import Box from "@mui/material/Box";
 import MenuItem from "@mui/material/MenuItem";
 import Select, { SelectChangeEvent } from "@mui/material/Select";
 import { CityName } from "../../../Enums";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface IProps {
   open: boolean;
@@ -32,11 +33,7 @@ export function ExportModal(props: IProps): React.ReactElement {
   const [industry, setIndustry] = useState<string>(defaultDivision.name);
   const [city, setCity] = useState(Object.keys(defaultDivision.warehouses)[0] as CityName);
   const [amt, setAmt] = useState("");
-  const setRerender = useState(false)[1];
-
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
 
   function onCityChange(event: SelectChangeEvent<string>): void {
     setCity(event.target.value as CityName);

src/Corporation/ui/modals/MaterialMarketTaModal.tsx

@@ -8,6 +8,7 @@ import TextField from "@mui/material/TextField";
 import FormControlLabel from "@mui/material/FormControlLabel";
 import Switch from "@mui/material/Switch";
 import Tooltip from "@mui/material/Tooltip";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface IMarketTA2Props {
   mat: Material;
@@ -17,10 +18,7 @@ function MarketTA2(props: IMarketTA2Props): React.ReactElement {
   const division = useDivision();
   if (!division.hasResearch("Market-TA.II")) return <></>;
   const [newCost, setNewCost] = useState<number>(props.mat.bCost);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
   const markupLimit = props.mat.getMarkupLimit();
 
   function onChange(event: React.ChangeEvent<HTMLInputElement>): void {

src/Corporation/ui/modals/ProductMarketTaModal.tsx

@@ -8,6 +8,7 @@ import TextField from "@mui/material/TextField";
 import FormControlLabel from "@mui/material/FormControlLabel";
 import Switch from "@mui/material/Switch";
 import Tooltip from "@mui/material/Tooltip";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface ITa2Props {
   product: Product;
@@ -18,10 +19,7 @@ function MarketTA2(props: ITa2Props): React.ReactElement {
   if (!division.hasResearch("Market-TA.II")) return <></>;
   const markupLimit = props.product.rat / props.product.mku;
   const [value, setValue] = useState(props.product.pCost);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
 
   function onChange(event: React.ChangeEvent<HTMLInputElement>): void {
     setValue(parseFloat(event.target.value));

src/Corporation/ui/modals/SmartSupplyModal.tsx

@@ -10,6 +10,7 @@ import FormControlLabel from "@mui/material/FormControlLabel";
 import Switch from "@mui/material/Switch";
 import { CorpMaterialName } from "@nsdefs";
 import { materialNames } from "../../data/Constants";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface ILeftoverProps {
   matName: CorpMaterialName;
@@ -49,10 +50,7 @@ interface IProps {
 
 export function SmartSupplyModal(props: IProps): React.ReactElement {
   const division = useDivision();
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
 
   // Smart Supply Checkbox
   function smartSupplyOnChange(e: React.ChangeEvent<HTMLInputElement>): void {

src/CotMG/ui/StaneksGiftRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useEffect } from "react";
 import { convertTimeMsToTimeElapsedString } from "../../utils/StringHelperFunctions";
 import { CONSTANTS } from "../../Constants";
 import { StaneksGiftEvents } from "../StaneksGiftEvents";
@@ -11,16 +11,14 @@ import { ActiveFragment } from "../ActiveFragment";
 import { Fragments } from "../Fragment";
 import { DummyGrid } from "./DummyGrid";
 import Container from "@mui/material/Container";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   staneksGift: StaneksGift;
 };
 
 export function StaneksGiftRoot({ staneksGift }: IProps): React.ReactElement {
-  const setRerender = useState(true)[1];
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
+  const rerender = useRerender();
   useEffect(() => StaneksGiftEvents.subscribe(rerender), []);
   return (
     <Container maxWidth="lg" disableGutters sx={{ mx: 0 }}>

src/Faction/ui/AugmentationsPage.tsx

@@ -1,5 +1,5 @@
 import { Box, Button, Tooltip, Typography, Paper, Container } from "@mui/material";
-import React, { useState } from "react";
+import React from "react";
 
 import { StaticAugmentations } from "../../Augmentation/StaticAugmentations";
 import { getGenericAugmentationPriceMultiplier } from "../../Augmentation/AugmentationHelpers";
@@ -15,6 +15,7 @@ import { FactionNames } from "../data/FactionNames";
 import { Faction } from "../Faction";
 import { getFactionAugmentationsFiltered, hasAugmentationPrereqs, purchaseAugmentation } from "../FactionHelpers";
 import { CONSTANTS } from "../../Constants";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   faction: Faction;
@@ -23,11 +24,7 @@ type IProps = {
 
 /** Root React Component for displaying a faction's "Purchase Augmentations" page */
 export function AugmentationsPage(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender();
 
   function getAugs(): string[] {
     return getFactionAugmentationsFiltered(props.faction);

src/Faction/ui/FactionRoot.tsx

@@ -3,7 +3,7 @@
  * This is the component for displaying a single faction's UI, not the list of all
  * accessible factions
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 
 import { AugmentationsPage } from "./AugmentationsPage";
 import { DonateOption } from "./DonateOption";
@@ -25,6 +25,7 @@ import { FactionNames } from "../data/FactionNames";
 import { GangButton } from "./GangButton";
 import { FactionWork } from "../../Work/FactionWork";
 import { FactionWorkType } from "../../Enums";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   faction: Faction;
@@ -152,18 +153,9 @@ function MainPage({ faction, rerender, onAugmentations }: IMainProps): React.Rea
 }
 
 export function FactionRoot(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
+  const rerender = useRerender(200);
   const [purchasingAugs, setPurchasingAugs] = useState(props.augPage);
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
   const faction = props.faction;
 
   if (!Player.factions.includes(faction.name)) {

src/Faction/ui/FactionsRoot.tsx

@@ -1,6 +1,6 @@
 import { Explore, Info, LastPage, LocalPolice, NewReleases, Report, SportsMma } from "@mui/icons-material";
 import { Box, Button, Container, Paper, Tooltip, Typography, useTheme } from "@mui/material";
-import React, { useEffect, useState } from "react";
+import React, { useEffect } from "react";
 import { Player } from "@player";
 import { Settings } from "../../Settings/Settings";
 import { formatFavor, formatReputation } from "../../ui/formatNumber";
@@ -9,6 +9,7 @@ import { FactionNames } from "../data/FactionNames";
 import { Faction } from "../Faction";
 import { getFactionAugmentationsFiltered, joinFaction } from "../FactionHelpers";
 import { Factions } from "../Factions";
+import { useRerender } from "../../ui/React/hooks";
 
 export const InvitationsSeen: string[] = [];
 
@@ -166,15 +167,7 @@ const FactionElement = (props: FactionElementProps): React.ReactElement => {
 
 export function FactionsRoot(): React.ReactElement {
   const theme = useTheme();
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
+  const rerender = useRerender(200);
   useEffect(() => {
     Player.factionInvitations.forEach((faction) => {
       if (InvitationsSeen.includes(faction)) return;

src/Faction/ui/Info.tsx

@@ -2,7 +2,7 @@
  * React component for general information about the faction. This includes the
  * factions "motto", reputation, favor, and gameplay instructions
  */
-import React, { useState, useEffect } from "react";
+import React from "react";
 
 import { Faction } from "../Faction";
 import { FactionInfo } from "../FactionInfo";
@@ -16,6 +16,7 @@ import createStyles from "@mui/styles/createStyles";
 import Typography from "@mui/material/Typography";
 import Tooltip from "@mui/material/Tooltip";
 import Box from "@mui/material/Box";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   faction: Faction;
@@ -43,16 +44,7 @@ function DefaultAssignment(): React.ReactElement {
 }
 
 export function Info(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
+  useRerender(200);
   const classes = useStyles();
 
   const Assignment = props.factionInfo.assignment ?? DefaultAssignment;

src/Gang/ui/EquipmentsSubpage.tsx

@@ -19,6 +19,7 @@ import { UpgradeType } from "../data/upgrades";
 import { Player } from "@player";
 import { Settings } from "../../Settings/Settings";
 import { StatsRow } from "../../ui/React/StatsRow";
+import { useRerender } from "../../ui/React/hooks";
 
 interface INextRevealProps {
   upgrades: string[];
@@ -86,13 +87,9 @@ interface IPanelProps {
 
 function GangMemberUpgradePanel(props: IPanelProps): React.ReactElement {
   const gang = useGang();
-  const setRerender = useState(false)[1];
+  const rerender = useRerender();
   const [currentCategory, setCurrentCategory] = useState("Weapons");
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   function filterUpgrades(list: string[], type: UpgradeType): GangMemberUpgrade[] {
     return Object.keys(GangMemberUpgrades)
       .filter((upgName: string) => {

src/Hacknet/ui/HacknetRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 
 import { GeneralInfo } from "./GeneralInfo";
 import { HacknetNodeElem } from "./HacknetNodeElem";
@@ -25,21 +25,14 @@ import Typography from "@mui/material/Typography";
 import Grid from "@mui/material/Grid";
 import Button from "@mui/material/Button";
 import { Box } from "@mui/material";
+import { useRerender } from "../../ui/React/hooks";
 
 /** Root React Component for the Hacknet Node UI */
 export function HacknetRoot(): React.ReactElement {
   const [open, setOpen] = useState(false);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender(200);
   const [purchaseMultiplier, setPurchaseMultiplier] = useState<number | "MAX">(PurchaseMultipliers.x1);
 
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
   let totalProduction = 0;
   for (let i = 0; i < Player.hacknetNodes.length; ++i) {
     const node = Player.hacknetNodes[i];

src/Hacknet/ui/HashUpgradeModal.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React from "react";
 
 import { HashUpgrades } from "../HashUpgrades";
 
@@ -7,6 +7,7 @@ import { HacknetUpgradeElem } from "./HacknetUpgradeElem";
 import { Modal } from "../../ui/React/Modal";
 import { Player } from "@player";
 import Typography from "@mui/material/Typography";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   open: boolean;
@@ -15,15 +16,7 @@ interface IProps {
 
 /** Create the pop-up for purchasing upgrades with hashes */
 export function HashUpgradeModal(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(() => setRerender((old) => !old), 200);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(200);
 
   const hashManager = Player.hashManager;
   if (!hashManager) {

src/Locations/ui/CompanyLocation.tsx

@@ -3,7 +3,7 @@
  *
  * This subcomponent renders all of the buttons for applying to jobs at a company
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 import Typography from "@mui/material/Typography";
 import Button from "@mui/material/Button";
 import Tooltip from "@mui/material/Tooltip";
@@ -25,6 +25,7 @@ import { Page } from "../../ui/Router";
 import { Player } from "@player";
 import { QuitJobModal } from "../../Company/ui/QuitJobModal";
 import { CompanyWork } from "../../Work/CompanyWork";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   locName: LocationName;
@@ -32,15 +33,8 @@ type IProps = {
 
 export function CompanyLocation(props: IProps): React.ReactElement {
   const [quitOpen, setQuitOpen] = useState(false);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender(200);
 
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
   /**
    * We'll keep a reference to the Company that this component is being rendered for,
    * so we don't have to look it up every time

src/Locations/ui/HospitalLocation.tsx

@@ -12,20 +12,12 @@ import { getHospitalizationCost } from "../../Hospital/Hospital";
 import { Money } from "../../ui/React/Money";
 
 import { dialogBoxCreate } from "../../ui/React/DialogBox";
-import { useEffect, useState } from "react";
+import { useRerender } from "../../ui/React/hooks";
 
 export function HospitalLocation(): React.ReactElement {
   /** Stores button styling that sets them all to block display */
   const btnStyle = { display: "block" };
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(200);
 
   function getHealed(e: React.MouseEvent<HTMLElement>): void {
     if (!e.isTrusted) {

src/Locations/ui/PurchaseServerModal.tsx

@@ -14,7 +14,6 @@ interface IProps {
   onClose: () => void;
   ram: number;
   cost: number;
-  rerender: () => void;
 }
 
 /** React Component for the popup used to purchase a new server. */

src/Locations/ui/SlumsLocation.tsx

@@ -3,7 +3,7 @@
  *
  * This subcomponent renders all of the buttons for committing crimes
  */
-import React, { useState, useEffect } from "react";
+import React from "react";
 import Button from "@mui/material/Button";
 import Tooltip from "@mui/material/Tooltip";
 
@@ -15,15 +15,11 @@ import { Page } from "../../ui/Router";
 import { Player } from "@player";
 import { Box } from "@mui/material";
 import { Crime } from "../../Crime/Crime";
+import { useRerender } from "../../ui/React/hooks";
 
 export function SlumsLocation(): React.ReactElement {
-  const setRerender = useState(false)[1];
-  const rerender = () => setRerender((o) => !o);
+  useRerender(1000);
   const crimes = Object.values(Crimes);
-  useEffect(() => {
-    const timerId = setInterval(() => rerender(), 1000);
-    return () => clearInterval(timerId);
-  });
 
   function doCrime(e: React.MouseEvent<HTMLElement>, crime: Crime) {
     if (!e.isTrusted) return;

src/Locations/ui/TechVendorLocation.tsx

@@ -3,7 +3,7 @@
  *
  * This subcomponent renders all of the buttons for purchasing things from tech vendors
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 import Typography from "@mui/material/Typography";
 import Button from "@mui/material/Button";
 
@@ -19,13 +19,9 @@ import { Player } from "@player";
 import { PurchaseServerModal } from "./PurchaseServerModal";
 import { formatRam } from "../../ui/formatNumber";
 import { Box } from "@mui/material";
+import { useRerender } from "../../ui/React/hooks";
 
-interface IServerProps {
-  ram: number;
-  rerender: () => void;
-}
-
-function ServerButton(props: IServerProps): React.ReactElement {
+function ServerButton(props: { ram: number }): React.ReactElement {
   const [open, setOpen] = useState(false);
   const cost = getPurchaseServerCost(props.ram);
   return (
@@ -34,35 +30,17 @@ function ServerButton(props: IServerProps): React.ReactElement {
         Purchase {formatRam(props.ram)} Server - 
         <Money money={cost} forPurchase={true} />
       </Button>
-      <PurchaseServerModal
-        open={open}
-        onClose={() => setOpen(false)}
-        ram={props.ram}
-        cost={cost}
-        rerender={props.rerender}
-      />
+      <PurchaseServerModal open={open} onClose={() => setOpen(false)} ram={props.ram} cost={cost} />
     </>
   );
 }
 
-type IProps = {
-  loc: Location;
-};
-
-export function TechVendorLocation(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 1000);
-    return () => clearInterval(id);
-  }, []);
+export function TechVendorLocation(props: { loc: Location }): React.ReactElement {
+  const rerender = useRerender(1000);
 
   const purchaseServerButtons: React.ReactNode[] = [];
   for (let i = props.loc.techVendorMinRam; i <= props.loc.techVendorMaxRam; i *= 2) {
-    purchaseServerButtons.push(<ServerButton key={i} ram={i} rerender={rerender} />);
+    purchaseServerButtons.push(<ServerButton key={i} ram={i} />);
   }
 
   return (

src/Locations/ui/TravelAgencyRoot.tsx

@@ -3,7 +3,7 @@
  *
  * TThis subcomponent renders all of the buttons for traveling to different cities
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 
 import { CityName } from "../../Enums";
 import { TravelConfirmationModal } from "./TravelConfirmationModal";
@@ -21,6 +21,7 @@ import { dialogBoxCreate } from "../../ui/React/DialogBox";
 import Typography from "@mui/material/Typography";
 import Box from "@mui/material/Box";
 import Button from "@mui/material/Button";
+import { useRerender } from "../../ui/React/hooks";
 
 function travel(to: CityName): void {
   const cost = CONSTANTS.TravelCost;
@@ -35,17 +36,9 @@ function travel(to: CityName): void {
 }
 
 export function TravelAgencyRoot(): React.ReactElement {
-  const setRerender = useState(false)[1];
   const [open, setOpen] = useState(false);
   const [destination, setDestination] = useState(CityName.Sector12);
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 1000);
-    return () => clearInterval(id);
-  }, []);
+  useRerender(1000);
 
   function startTravel(city: CityName): void {
     const cost = CONSTANTS.TravelCost;

src/PersonObjects/Grafting/ui/GraftingRoot.tsx

@@ -1,6 +1,6 @@
 import { CheckBox, CheckBoxOutlineBlank, Construction } from "@mui/icons-material";
 import { Box, Button, Container, List, ListItemButton, Paper, Typography } from "@mui/material";
-import React, { useEffect, useState } from "react";
+import React, { useState } from "react";
 import { GraftingWork } from "../../../Work/GraftingWork";
 import { Augmentation } from "../../../Augmentation/Augmentation";
 import { AugmentationNames } from "../../../Augmentation/data/AugmentationNames";
@@ -20,6 +20,7 @@ import { convertTimeMsToTimeElapsedString } from "../../../utils/StringHelperFun
 import { Player } from "@player";
 import { GraftableAugmentation } from "../GraftableAugmentation";
 import { calculateGraftingTimeWithBonus, getGraftingAvailableAugs } from "../GraftingHelpers";
+import { useRerender } from "../../../ui/React/hooks";
 
 export const GraftableAugmentations = (): Record<string, GraftableAugmentation> => {
   const gAugs: Record<string, GraftableAugmentation> = {};
@@ -65,11 +66,7 @@ export const GraftingRoot = (): React.ReactElement => {
   const [selectedAug, setSelectedAug] = useState(getGraftingAvailableAugs()[0]);
   const [graftOpen, setGraftOpen] = useState(false);
   const selectedAugmentation = StaticAugmentations[selectedAug];
-
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  const rerender = useRerender(200);
 
   const getAugsSorted = (): string[] => {
     const augs = getGraftingAvailableAugs();
@@ -86,11 +83,6 @@ export const GraftingRoot = (): React.ReactElement => {
     rerender();
   };
 
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
   return (
     <Container disableGutters maxWidth="lg" sx={{ mx: 0 }}>
       <Button onClick={() => Router.toLocation(Locations[LocationName.NewTokyoVitaLife])}>Back</Button>

src/PersonObjects/Sleeve/ui/CovenantPurchasesRoot.tsx

@@ -2,7 +2,7 @@
  * Root React component for the popup that lets player purchase Duplicate
  * Sleeves and Sleeve-related upgrades from The Covenant
  */
-import React, { useState } from "react";
+import React from "react";
 
 import { CovenantSleeveMemoryUpgrade } from "./CovenantSleeveMemoryUpgrade";
 
@@ -17,6 +17,7 @@ import { dialogBoxCreate } from "../../../ui/React/DialogBox";
 import Typography from "@mui/material/Typography";
 import Button from "@mui/material/Button";
 import { FactionNames } from "../../../Faction/data/FactionNames";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface IProps {
   open: boolean;
@@ -24,18 +25,13 @@ interface IProps {
 }
 
 export function CovenantPurchasesRoot(props: IProps): React.ReactElement {
-  const [update, setUpdate] = useState(0);
+  const rerender = useRerender();
 
   /** Get the cost to purchase a new Duplicate Sleeve */
   function purchaseCost(): number {
     return Math.pow(10, Player.sleevesFromCovenant) * BaseCostPerSleeve;
   }
 
-  /** Force a rerender by just changing an arbitrary state value */
-  function rerender(): void {
-    setUpdate(update + 1);
-  }
-
   // Purchasing a new Duplicate Sleeve
   let purchaseDisabled = false;
   if (!Player.canAfford(purchaseCost())) {

src/PersonObjects/Sleeve/ui/SleeveAugmentationsModal.tsx

@@ -1,9 +1,10 @@
 import { Container, Typography, Paper } from "@mui/material";
-import React, { useEffect, useState } from "react";
+import React from "react";
 import { PurchasableAugmentations } from "../../../Augmentation/ui/PurchasableAugmentations";
 import { Player } from "@player";
 import { Modal } from "../../../ui/React/Modal";
 import { Sleeve } from "../Sleeve";
+import { useRerender } from "../../../ui/React/hooks";
 
 interface IProps {
   open: boolean;
@@ -12,15 +13,7 @@ interface IProps {
 }
 
 export function SleeveAugmentationsModal(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 150);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(150);
 
   // Array of all owned Augmentations. Names only
   const ownedAugNames = props.sleeve.augmentations.map((e) => e.name);

src/PersonObjects/Sleeve/ui/SleeveRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 
 import { Box, Typography, Button, Container } from "@mui/material";
 
@@ -6,18 +6,11 @@ import { Player } from "@player";
 
 import { SleeveElem } from "./SleeveElem";
 import { FAQModal } from "./FAQModal";
+import { useRerender } from "../../../ui/React/hooks";
 
 export function SleeveRoot(): React.ReactElement {
   const [FAQOpen, setFAQOpen] = useState(false);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(200);
 
   return (
     <>

src/Programs/ui/ProgramsRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useEffect } from "react";
 import { find } from "lodash";
 
 import { Box, Typography, Button, Container, Paper } from "@mui/material";
@@ -11,14 +11,12 @@ import { Settings } from "../../Settings/Settings";
 
 import { Programs } from "../Programs";
 import { CreateProgramWork } from "../../Work/CreateProgramWork";
+import { useRerender } from "../../ui/React/hooks";
 
 export const ProgramsSeen: string[] = [];
 
 export function ProgramsRoot(): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
+  useRerender(200);
 
   const programs = [...Object.values(Programs)]
     .filter((prog) => {
@@ -42,11 +40,6 @@ export function ProgramsRoot(): React.ReactElement {
     });
   }, []);
 
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
   const getHackingLevelRemaining = (lvl: number): number => {
     return Math.ceil(Math.max(lvl - (Player.skills.hacking + Player.skills.intelligence / 2), 0));
   };

src/ScriptEditor/ui/ScriptEditorRoot.tsx

@@ -45,6 +45,7 @@ import { Modal } from "../../ui/React/Modal";
 
 import libSource from "!!raw-loader!../NetscriptDefinitions.d.ts";
 import { TextField, Tooltip } from "@mui/material";
+import { useRerender } from "../../ui/React/hooks";
 
 interface IProps {
   // Map of filename -> code
@@ -106,10 +107,7 @@ let currentScript: OpenScript | null = null;
 
 // Called every time script editor is opened
 export function Root(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
+  const rerender = useRerender();
   const editorRef = useRef<IStandaloneCodeEditor | null>(null);
   const monacoRef = useRef<Monaco | null>(null);
   const vimStatusRef = useRef<HTMLElement>(null);

src/ScriptEditor/ui/ThemeEditorModal.tsx

@@ -4,6 +4,7 @@ import IconButton from "@mui/material/IconButton";
 import _ from "lodash";
 import { Color, ColorPicker } from "material-ui-color";
 import React, { useState } from "react";
+import { useRerender } from "../../ui/React/hooks";
 import { Settings } from "../../Settings/Settings";
 import { Modal } from "../../ui/React/Modal";
 import { OptionSwitch } from "../../ui/React/OptionSwitch";
@@ -65,10 +66,7 @@ function ColorEditor({ label, themePath, onColorChange, color, defaultColor }: I
 }
 
 export function ThemeEditorModal(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
+  const rerender = useRerender();
 
   // Need to deep copy the object since it has nested attributes
   const [themeCopy, setThemeCopy] = useState<IScriptEditorTheme>(JSON.parse(JSON.stringify(Settings.EditorTheme)));

src/Sidebar/ui/SidebarRoot.tsx

@@ -54,6 +54,7 @@ import { ProgramsSeen } from "../../Programs/ui/ProgramsRoot";
 import { InvitationsSeen } from "../../Faction/ui/FactionsRoot";
 import { hash } from "../../hash/hash";
 import { Locations } from "../../Locations/Locations";
+import { useRerender } from "../../ui/React/hooks";
 
 const RotatedDoubleArrowIcon = React.forwardRef((props: { color: "primary" | "secondary" | "error" }, __ref) => (
   <DoubleArrowIcon color={props.color} style={{ transform: "rotate(-90deg)" }} />
@@ -108,15 +109,7 @@ interface IProps {
 }
 
 export function SidebarRoot(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  useRerender(200);
 
   let flash: Page | null = null;
   switch (ITutorial.currStep) {

src/StockMarket/ui/StockMarketRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React from "react";
 
 import { InfoAndPurchases } from "./InfoAndPurchases";
 import { StockTickers } from "./StockTickers";
@@ -6,6 +6,7 @@ import { StockTickers } from "./StockTickers";
 import { IStockMarket } from "../IStockMarket";
 
 import { Player } from "@player";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   stockMarket: IStockMarket;
@@ -13,15 +14,7 @@ type IProps = {
 
 /** Root React component for the Stock Market UI */
 export function StockMarketRoot(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  const rerender = useRerender(200);
   return (
     <>
       <InfoAndPurchases rerender={rerender} />

src/StockMarket/ui/StockTickers.tsx

@@ -10,13 +10,14 @@ import { StockTickersConfig, TickerDisplayMode } from "./StockTickersConfig";
 
 import { IStockMarket } from "../IStockMarket";
 import { Stock } from "../Stock";
+import { useRerender } from "../../ui/React/hooks";
 
 type IProps = {
   stockMarket: IStockMarket;
 };
 
 export function StockTickers(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
+  const rerender = useRerender();
   const [tickerDisplayMode, setTickerDisplayMode] = useState(TickerDisplayMode.AllStocks);
   const [watchlistSymbols, setWatchlistSymbols] = useState<string[]>([]);
 
@@ -39,10 +40,6 @@ export function StockTickers(props: IProps): React.ReactElement {
     }
   }
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   const tickers: React.ReactElement[] = [];
   for (const stockMarketProp of Object.keys(props.stockMarket)) {
     const val = props.stockMarket[stockMarketProp];

src/Terminal/ui/TerminalRoot.tsx

@@ -16,6 +16,7 @@ import { CodingContractModal } from "../../ui/React/CodingContractModal";
 
 import _ from "lodash";
 import { ANSIITypography } from "../../ui/React/ANSIITypography";
+import { useRerender } from "../../ui/React/hooks";
 
 function ActionTimer(): React.ReactElement {
   return (
@@ -44,11 +45,8 @@ const useStyles = makeStyles((theme: Theme) =>
 
 export function TerminalRoot(): React.ReactElement {
   const scrollHook = useRef<HTMLDivElement>(null);
-  const setRerender = useState(0)[1];
+  const rerender = useRerender();
   const [key, setKey] = useState(0);
-  function rerender(): void {
-    setRerender((old) => old + 1);
-  }
 
   function clear(): void {
     setKey((key) => key + 1);

src/ui/ActiveScripts/ActiveScriptsRoot.tsx

@@ -2,30 +2,23 @@
  * Root React Component for the "Active Scripts" UI page. This page displays
  * and provides information about all of the player's scripts that are currently running
  */
-import React, { useState, useEffect } from "react";
+import React, { useState } from "react";
 import Tabs from "@mui/material/Tabs";
 import Tab from "@mui/material/Tab";
 
 import { ActiveScriptsPage } from "./ActiveScriptsPage";
 import { RecentScriptsPage } from "./RecentScriptsPage";
 import { WorkerScript } from "../../Netscript/WorkerScript";
+import { useRerender } from "../React/hooks";
 
 interface IProps {
   workerScripts: Map<number, WorkerScript>;
 }
 
 export function ActiveScriptsRoot(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
-
   const [tab, setTab] = useState<"active" | "recent">("active");
+  useRerender(200);
+
   function handleChange(event: React.SyntheticEvent, tab: "active" | "recent"): void {
     setTab(tab);
   }

src/ui/ActiveScripts/ServerAccordions.tsx

@@ -16,6 +16,7 @@ import { BaseServer } from "../../Server/BaseServer";
 import { Settings } from "../../Settings/Settings";
 import { TablePaginationActionsAll } from "../React/TablePaginationActionsAll";
 import SearchIcon from "@mui/icons-material/Search";
+import { useRerender } from "../React/hooks";
 
 // Map of server hostname -> all workerscripts on that server for all active scripts
 interface IServerData {
@@ -35,7 +36,7 @@ export function ServerAccordions(props: IProps): React.ReactElement {
   const [filter, setFilter] = useState("");
   const [page, setPage] = useState(0);
   const [rowsPerPage, setRowsPerPage] = useState(Settings.ActiveScriptsServerPageSize);
-  const setRerender = useState(false)[1];
+  const rerender = useRerender();
 
   const handleChangePage = (event: unknown, newPage: number): void => {
     setPage(newPage);
@@ -78,10 +79,6 @@ export function ServerAccordions(props: IProps): React.ReactElement {
       (data.server.hostname.includes(filter) || data.server.runningScripts.find((s) => s.filename.includes(filter))),
   );
 
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   useEffect(() => WorkerScriptStartStopEventEmitter.subscribe(rerender));
 
   return (

src/ui/CharacterStats.tsx

@@ -1,6 +1,6 @@
 import { Paper, Table, TableBody, Box, IconButton, Typography, Container, Tooltip } from "@mui/material";
 import { MoreHoriz, Info } from "@mui/icons-material";
-import React, { useEffect, useState } from "react";
+import React, { useState } from "react";
 import { BitNodes, defaultMultipliers, getBitNodeMultipliers } from "../BitNode/BitNode";
 import { BitNodeMultipliers } from "../BitNode/BitNodeMultipliers";
 import { BitNodeMultipliersDisplay } from "../BitNode/ui/BitnodeMultipliersDescription";
@@ -16,6 +16,7 @@ import { Money } from "./React/Money";
 import { StatsRow } from "./React/StatsRow";
 import { StatsTable } from "./React/StatsTable";
 import { isEqual } from "lodash";
+import { useRerender } from "./React/hooks";
 
 interface EmployersModalProps {
   open: boolean;
@@ -199,15 +200,7 @@ function MoneyModal({ open, onClose }: IMoneyModalProps): React.ReactElement {
 export function CharacterStats(): React.ReactElement {
   const [moneyOpen, setMoneyOpen] = useState(false);
   const [employersOpen, setEmployersOpen] = useState(false);
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, 200);
-    return () => clearInterval(id);
-  }, []);
+  useRerender(200);
 
   const timeRows = [
     ["Since last Augmentation installation", convertTimeMsToTimeElapsedString(Player.playtimeSinceLastAug)],

src/ui/GameRoot.tsx

@@ -77,6 +77,7 @@ import { Apr1 } from "./Apr1";
 import { isFactionWork } from "../Work/FactionWork";
 import { V2Modal } from "../utils/V2Modal";
 import { MathJaxContext } from "better-react-mathjax";
+import { useRerender } from "./React/hooks";
 
 const htmlLocation = location;
 
@@ -127,7 +128,7 @@ export function GameRoot(): React.ReactElement {
   const classes = useStyles();
   const [{ files, vim }, setEditorOptions] = useState({ files: {}, vim: false });
   const [page, setPage] = useState(determineStartPage());
-  const setRerender = useState(0)[1];
+  const rerender = useRerender();
   const [augPage, setAugPage] = useState<boolean>(false);
   const [faction, setFaction] = useState<Faction>(
     isFactionWork(Player.currentWork) ? Factions[Player.currentWork.factionName] : (undefined as unknown as Faction),
@@ -155,9 +156,6 @@ export function GameRoot(): React.ReactElement {
     setErrorBoundaryKey(errorBoundaryKey + 1);
   }
 
-  function rerender(): void {
-    setRerender((old) => old + 1);
-  }
   useEffect(() => {
     return ITutorialEvents.subscribe(rerender);
   }, []);

src/ui/InteractiveTutorial/InteractiveTutorialRoot.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from "react";
+import React, { useEffect } from "react";
 
 import Paper from "@mui/material/Paper";
 import Typography from "@mui/material/Typography";
@@ -27,6 +27,7 @@ import {
   iTutorialSteps,
   iTutorialEnd,
 } from "../../InteractiveTutorial";
+import { useRerender } from "../React/hooks";
 
 interface IContent {
   content: React.ReactElement;
@@ -47,6 +48,7 @@ const useStyles = makeStyles((theme: Theme) =>
 
 export function InteractiveTutorialRoot(): React.ReactElement {
   const classes = useStyles();
+  const rerender = useRerender();
 
   const tutorialScriptName = `n00dles.js`;
 
@@ -556,11 +558,6 @@ export function InteractiveTutorialRoot(): React.ReactElement {
     },
   };
 
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   useEffect(() => {
     return ITutorialEvents.subscribe(rerender);
   }, []);

src/ui/React/LogBoxManager.tsx

@@ -19,6 +19,7 @@ import { debounce } from "lodash";
 import { Settings } from "../../Settings/Settings";
 import { ANSIITypography } from "./ANSIITypography";
 import { ScriptArg } from "../../Netscript/ScriptArg";
+import { useRerender } from "./hooks";
 
 let layerCounter = 0;
 
@@ -53,10 +54,7 @@ interface Log {
 let logs: Log[] = [];
 
 export function LogBoxManager(): React.ReactElement {
-  const setRerender = useState(true)[1];
-  function rerender(): void {
-    setRerender((o) => !o);
-  }
+  const rerender = useRerender();
   useEffect(
     () =>
       LogBoxEvents.subscribe((script: RunningScript) => {
@@ -140,12 +138,9 @@ function LogWindow(props: IProps): React.ReactElement {
   const classes = useStyles();
   const container = useRef<HTMLDivElement>(null);
   const textArea = useRef<HTMLDivElement>(null);
-  const setRerender = useState(false)[1];
+  const rerender = useRerender(1000);
   const [size, setSize] = useState<[number, number]>([500, 500]);
   const [minimized, setMinimized] = useState(false);
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
 
   const textAreaKeyDown = (e: React.KeyboardEvent) => {
     if (e.ctrlKey && e.key === "a") {
@@ -214,8 +209,6 @@ function LogWindow(props: IProps): React.ReactElement {
 
   useEffect(() => {
     updateLayer();
-    const id = setInterval(rerender, 1000);
-    return () => clearInterval(id);
   }, []);
 
   function kill(): void {

src/ui/React/hooks.ts

@@ -0,0 +1,15 @@
+import { useEffect, useState } from "react";
+
+/** Hook that returns a function for the component. Optionally set an interval to rerender the component.
+ * @param autoRerenderTime: Optional. If provided and nonzero, used as the ms interval to automatically call the rerender function.
+ */
+export function useRerender(autoRerenderTime?: number) {
+  const setRerender = useState(false)[1];
+  const rerender = () => setRerender((old) => !old);
+  useEffect(() => {
+    if (!autoRerenderTime) return;
+    const intervalID = setInterval(rerender, autoRerenderTime);
+    return () => clearInterval(intervalID);
+  }, []);
+  return rerender;
+}

src/ui/WorkInProgressRoot.tsx

@@ -2,7 +2,7 @@ import { Box, Container, Paper, Table, TableBody, Tooltip } from "@mui/material"
 import Button from "@mui/material/Button";
 import Typography from "@mui/material/Typography";
 import { uniqueId } from "lodash";
-import React, { useEffect, useState } from "react";
+import React from "react";
 import { Companies } from "../Company/Companies";
 import { CONSTANTS } from "../Constants";
 import { LocationName } from "../Enums";
@@ -27,6 +27,7 @@ import { isGraftingWork } from "../Work/GraftingWork";
 import { isFactionWork } from "../Work/FactionWork";
 import { FactionWorkType } from "../Enums";
 import { isCompanyWork } from "../Work/CompanyWork";
+import { useRerender } from "./React/hooks";
 
 const CYCLES_PER_SEC = 1000 / CONSTANTS.MilliPerCycle;
 
@@ -193,15 +194,7 @@ function CrimeExpRows(rate: WorkStats): React.ReactElement[] {
 }
 
 export function WorkInProgressRoot(): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    const id = setInterval(rerender, CONSTANTS.MilliPerCycle);
-    return () => clearInterval(id);
-  }, []);
+  useRerender(CONSTANTS.MilliPerCycle);
 
   let workInfo: IWorkInfo = {
     buttons: {