remove ns2 example doing DOM manip

doc/source/netscript/netscriptjs.rst

@@ -117,30 +117,6 @@ that are loaded.
 Examples
 --------
 
-**DOM Manipulation (tprintColored.ns)**
-
-Directly alter the game's terminal and print colored text::
-
-    export function tprintColored(txt, color) {
-        let terminalInput   = document.getElementById("terminal-input");
-        let rowElement      = document.createElement("tr");
-        let cellElement     = document.createElement("td");
-
-        rowElement.classList.add("posted");
-        cellElement.classList.add("terminal-line");
-        cellElement.style.color = color;
-        cellElement.innerText = txt;
-
-        rowElement.appendChild(cellElement);
-        terminalInput.before(rowElement);
-    }
-
-    export async function main(ns) {
-        tprintColored("Red Text!", "red");
-        tprintColored("Blue Text!", "blue");
-        tprintColored("Use Hex Codes!", "#3087E3");
-    }
-
 **Script Scheduler (scriptScheduler.ns)**
 
 This script shows some of the new functionality that is available in NetscriptJS,

src/Terminal/Terminal.ts

@@ -5,7 +5,7 @@ import { HacknetServer } from "../Hacknet/HacknetServer";
 import { BaseServer } from "../Server/BaseServer";
 import { Programs } from "../Programs/Programs";
 import { CodingContractResult } from "../CodingContracts";
-import { TerminalEvents } from "./TerminalEvents";
+import { TerminalEvents, TerminalClearEvents } from "./TerminalEvents";
 
 import { TextFile } from "../TextFile";
 import { Script } from "../Script/Script";
@@ -480,6 +480,7 @@ export class Terminal implements ITerminal {
     // TODO: remove this once we figure out the height issue.
     this.outputHistory = [new Output(`Bitburner v${CONSTANTS.Version}`, "primary")];
     TerminalEvents.emit();
+    TerminalClearEvents.emit();
   }
 
   prestige(): void {

src/Terminal/TerminalEvents.ts

@@ -1,2 +1,3 @@
 import { EventEmitter } from "../utils/EventEmitter";
 export const TerminalEvents = new EventEmitter<[]>();
+export const TerminalClearEvents = new EventEmitter<[]>();

src/Terminal/ui/TerminalRoot.tsx

@@ -11,7 +11,7 @@ import { ITerminal, Output, Link } from "../ITerminal";
 import { IRouter } from "../../ui/Router";
 import { IPlayer } from "../../PersonObjects/IPlayer";
 import { TerminalInput } from "./TerminalInput";
-import { TerminalEvents } from "../TerminalEvents";
+import { TerminalEvents, TerminalClearEvents } from "../TerminalEvents";
 
 interface IActionTimerProps {
   terminal: ITerminal;
@@ -51,13 +51,17 @@ interface IProps {
 export function TerminalRoot({ terminal, router, player }: IProps): React.ReactElement {
   const scrollHook = useRef<HTMLDivElement>(null);
   const setRerender = useState(0)[1];
+  const [key, setKey] = useState(0);
   function rerender(): void {
     setRerender((old) => old + 1);
   }
 
-  useEffect(() => {
-    return TerminalEvents.subscribe(rerender);
-  }, []);
+  function clear(): void {
+    setKey((key) => key + 1);
+  }
+
+  useEffect(() => TerminalEvents.subscribe(rerender), []);
+  useEffect(() => TerminalClearEvents.subscribe(clear), []);
 
   function doScroll(): void {
     const hook = scrollHook.current;
@@ -76,7 +80,7 @@ export function TerminalRoot({ terminal, router, player }: IProps): React.ReactE
   return (
     <>
       <Box width="100%" minHeight="100vh" display={"flex"} alignItems={"flex-end"}>
-        <List id="terminal" classes={{ root: classes.list }}>
+        <List key={key} id="terminal" classes={{ root: classes.list }}>
           {terminal.outputHistory.map((item, i) => {
             if (item instanceof Output)
               return (

src/ui/ActiveScripts/ActiveScriptsRoot.tsx

@@ -22,8 +22,8 @@ export function ActiveScriptsRoot(props: IProps): React.ReactElement {
   }
 
   useEffect(() => {
-    const id = setInterval(rerender, 20);
-    return () => clearInterval(id);
+    // const id = setInterval(rerender, 20);
+    // return () => clearInterval(id);
   }, []);
 
   return (

src/ui/ActiveScripts/ServerAccordionContent.tsx

@@ -21,10 +21,17 @@ export function ServerAccordionContent(props: IProps): React.ReactElement {
     setPage(0);
   };
 
+  let safePage = page;
+  while (safePage * rowsPerPage + 1 > props.workerScripts.length) {
+    safePage--;
+  }
+
+  if (safePage != page) setPage(safePage);
+
   return (
     <>
       <List dense disablePadding>
-        {props.workerScripts.slice(page * rowsPerPage, page * rowsPerPage + rowsPerPage).map((ws) => (
+        {props.workerScripts.slice(safePage * rowsPerPage, safePage * rowsPerPage + rowsPerPage).map((ws) => (
           <WorkerScriptAccordion key={`${ws.name}_${ws.args}`} workerScript={ws} />
         ))}
       </List>
@@ -33,7 +40,7 @@ export function ServerAccordionContent(props: IProps): React.ReactElement {
         component="div"
         count={props.workerScripts.length}
         rowsPerPage={rowsPerPage}
-        page={page}
+        page={safePage}
         onPageChange={handleChangePage}
         onRowsPerPageChange={handleChangeRowsPerPage}
         ActionsComponent={TablePaginationActionsAll}

src/ui/ActiveScripts/ServerAccordions.tsx

@@ -35,13 +35,6 @@ export function ServerAccordions(props: IProps): React.ReactElement {
   const [page, setPage] = useState(0);
   const [rowsPerPage, setRowsPerPage] = useState(10);
   const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
-  useEffect(() => {
-    return WorkerScriptStartStopEventEmitter.subscribe(rerender);
-  }, []);
 
   const handleChangePage = (event: unknown, newPage: number): void => {
     setPage(newPage);
@@ -79,6 +72,19 @@ export function ServerAccordions(props: IProps): React.ReactElement {
 
   const filtered = Object.values(serverToScriptMap).filter((data) => data && data.server.hostname.includes(filter));
 
+  function rerender(): void {
+    setRerender((old) => !old);
+
+    let safePage = page;
+    while (safePage * rowsPerPage + 1 >= filtered.length) {
+      safePage--;
+    }
+
+    if (safePage != page) setPage(safePage);
+  }
+
+  useEffect(() => WorkerScriptStartStopEventEmitter.subscribe(rerender));
+
   return (
     <>
       <TextField