more cleanup in engine

src/Programs/ui/ProgramsRoot.tsx

@@ -0,0 +1,49 @@
+import React, { useState, useEffect } from "react";
+import { IPlayer } from "../../PersonObjects/IPlayer";
+import { Programs } from "../Programs";
+
+interface IProps {
+  player: IPlayer;
+}
+
+export function ProgramsRoot(props: IProps): React.ReactElement {
+  const setRerender = useState(false)[1];
+  function rerender(): void {
+    setRerender((old) => !old);
+  }
+  const [divisionName, setDivisionName] = useState("Overview");
+
+  useEffect(() => {
+    const id = setInterval(rerender, 20);
+    return () => clearInterval(id);
+  }, []);
+
+  return (
+    <>
+      <p id="create-program-page-text">
+        This page displays any programs that you are able to create. Writing the code for a program takes time, which
+        can vary based on how complex the program is. If you are working on creating a program you can cancel at any
+        time. Your progress will be saved and you can continue later.
+      </p>
+
+      <ul id="create-program-list">
+        {Object.keys(Programs).map((programName) => {
+          const program = Programs[programName];
+          if (program == null) return <></>;
+          const create = program.create;
+          if (create === null) return <></>;
+          return (
+            <a
+              key={programName}
+              className="a-link-button tooltip"
+              onClick={() => props.player.startCreateProgramWork(program.name, create.time, create.level)}
+            >
+              {program.name}
+              <span className="tooltiptext">{create.tooltip}</span>
+            </a>
+          );
+        })}
+      </ul>
+    </>
+  );
+}