fix eslint warnings

.eslintrc.cjs

@@ -0,0 +1,13 @@
+module.exports = {
+  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  parser: "@typescript-eslint/parser",
+  plugins: ["@typescript-eslint"],
+  root: true,
+  ignorePatterns: ["build/"],
+  env: {
+    browser: true,
+    worker: true,
+    commonjs: true,
+    node: true,
+  },
+};

d.ts

@@ -1,14 +1,14 @@
 declare module "*.jpg" {
-  const value: any;
+  const value: unknown;
   export default value;
 }
 
 declare module "*.svg" {
-  const value: any;
+  const value: unknown;
   export default value;
 }
 
 declare module "*.webp" {
-  const value: any;
+  const value: string;
   export default value;
 }

src/Const.ts

@@ -83,17 +83,20 @@ export const RecommendedFollows = [
  * Regex to match email address
  */
 export const EmailRegex =
+  // eslint-disable-next-line no-useless-escape
   /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
 
 /**
  * Generic URL regex
  */
 export const UrlRegex =
+  // eslint-disable-next-line no-useless-escape
   /((?:http|ftp|https):\/\/(?:[\w+?\.\w+])+(?:[a-zA-Z0-9\~\!\@\#\$\%\^\&\*\(\)_\-\=\+\\\/\?\.\:\;\'\,]*)?)/i;
 
 /**
  * Extract file extensions regex
  */
+// eslint-disable-next-line no-useless-escape
 export const FileExtensionRegex = /\.([\w]+)$/i;
 
 /**
@@ -121,6 +124,7 @@ export const TweetUrlRegex =
 /**
  * Hashtag regex
  */
+// eslint-disable-next-line no-useless-escape
 export const HashtagRegex = /(#[^\s!@#$%^&*()=+.\/,\[{\]};:'"?><]+)/;
 
 /**

src/Element/AsyncButton.tsx

@@ -1,14 +1,20 @@
 import { useState } from "react";
 
-export default function AsyncButton(props: any) {
+interface AsyncButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  onClick(e: React.MouseEvent): Promise<void> | void;
+  children?: React.ReactNode;
+}
+
+export default function AsyncButton(props: AsyncButtonProps) {
   const [loading, setLoading] = useState<boolean>(false);
 
-  async function handle(e: any) {
+  async function handle(e: React.MouseEvent) {
     if (loading) return;
     setLoading(true);
     try {
       if (typeof props.onClick === "function") {
-        let f = props.onClick(e);
+        const f = props.onClick(e);
         if (f instanceof Promise) {
           await f;
         }
@@ -19,12 +25,7 @@ export default function AsyncButton(props: any) {
   }
 
   return (
-    <button
+    <button type="button" disabled={loading} {...props} onClick={handle}>
-      type="button"
-      disabled={loading}
-      {...props}
-      onClick={(e) => handle(e)}
-    >
       {props.children}
     </button>
   );

src/Element/BlockList.tsx

@@ -1,13 +1,7 @@
-import { useMemo } from "react";
-import { useSelector } from "react-redux";
 import { FormattedMessage } from "react-intl";
-
-import { HexKey } from "Nostr";
-import type { RootState } from "State/Store";
 import MuteButton from "Element/MuteButton";
 import BlockButton from "Element/BlockButton";
 import ProfilePreview from "Element/ProfilePreview";
-import useMutedFeed, { getMuted } from "Feed/MuteList";
 import useModeration from "Hooks/useModeration";
 
 import messages from "./messages";
@@ -17,7 +11,6 @@ interface BlockListProps {
 }
 
 export default function BlockList({ variant }: BlockListProps) {
-  const { publicKey } = useSelector((s: RootState) => s.login);
   const { blocked, muted } = useModeration();
 
   return (

src/Element/Collapsed.tsx

@@ -1,4 +1,4 @@
-import { useState, ReactNode } from "react";
+import { ReactNode } from "react";
 
 import ShowMore from "Element/ShowMore";
 

src/Element/Copy.tsx

@@ -8,7 +8,7 @@ export interface CopyProps {
   maxSize?: number;
 }
 export default function Copy({ text, maxSize = 32 }: CopyProps) {
-  const { copy, copied, error } = useCopy();
+  const { copy, copied } = useCopy();
   const sliceLength = maxSize / 2;
   const trimmed =
     text.length > maxSize

src/Element/DM.tsx

@@ -12,6 +12,7 @@ import { setLastReadDm } from "Pages/MessagesPage";
 import { RootState } from "State/Store";
 import { HexKey, TaggedRawEvent } from "Nostr";
 import { incDmInteraction } from "State/Login";
+import { unwrap } from "Util";
 
 import messages from "./messages";
 
@@ -32,11 +33,11 @@ export default function DM(props: DMProps) {
   const isMe = props.data.pubkey === pubKey;
   const otherPubkey = isMe
     ? pubKey
-    : props.data.tags.find((a) => a[0] === "p")![1];
+    : unwrap(props.data.tags.find((a) => a[0] === "p")?.[1]);
 
   async function decrypt() {
-    let e = new Event(props.data);
+    const e = new Event(props.data);
-    let decrypted = await publisher.decryptDm(e);
+    const decrypted = await publisher.decryptDm(e);
     setContent(decrypted || "<ERROR>");
     if (!isMe) {
       setLastReadDm(e.PubKey);

src/Element/FollowButton.tsx

@@ -21,12 +21,12 @@ export default function FollowButton(props: FollowButtonProps) {
   const baseClassname = `${props.className} follow-button`;
 
   async function follow(pubkey: HexKey) {
-    let ev = await publiser.addFollow(pubkey);
+    const ev = await publiser.addFollow(pubkey);
     publiser.broadcast(ev);
   }
 
   async function unfollow(pubkey: HexKey) {
-    let ev = await publiser.removeFollow(pubkey);
+    const ev = await publiser.removeFollow(pubkey);
     publiser.broadcast(ev);
   }
 

src/Element/FollowListBase.tsx

@@ -17,7 +17,7 @@ export default function FollowListBase({
   const publisher = useEventPublisher();
 
   async function followAll() {
-    let ev = await publisher.addFollow(pubkeys);
+    const ev = await publisher.addFollow(pubkeys);
     publisher.broadcast(ev);
   }
 

src/Element/FollowersList.tsx

@@ -17,7 +17,7 @@ export default function FollowersList({ pubkey }: FollowersListProps) {
   const feed = useFollowersFeed(pubkey);
 
   const pubkeys = useMemo(() => {
-    let contactLists = feed?.store.notes.filter(
+    const contactLists = feed?.store.notes.filter(
       (a) =>
         a.kind === EventKind.ContactList &&
         a.tags.some((b) => b[0] === "p" && b[1] === pubkey)

src/Element/FollowsYou.tsx

@@ -25,7 +25,7 @@ export default function FollowsYou({ pubkey }: FollowsYouProps) {
     return getFollowers(feed.store, pubkey);
   }, [feed, pubkey]);
 
-  const followsMe = pubkeys.includes(loginPubKey!) ?? false;
+  const followsMe = loginPubKey ? pubkeys.includes(loginPubKey) : false;
 
   return followsMe ? (
     <span className="follows-you">{formatMessage(messages.FollowsYou)}</span>

src/Element/HyperText.tsx

@@ -135,7 +135,9 @@ export default function HyperText({
           </a>
         );
       }
-    } catch (error) {}
+    } catch (error) {
+      // Ignore the error.
+    }
     return (
       <a
         href={a}

src/Element/Invoice.tsx

@@ -1,7 +1,7 @@
 import "./Invoice.css";
 import { useState } from "react";
 import { useIntl, FormattedMessage } from "react-intl";
-// @ts-expect-error
+// @ts-expect-error No types available
 import { decode as invoiceDecode } from "light-bolt11-decoder";
 import { useMemo } from "react";
 import SendSats from "Element/SendSats";
@@ -13,6 +13,11 @@ import messages from "./messages";
 export interface InvoiceProps {
   invoice: string;
 }
+
+interface Section {
+  name: string;
+}
+
 export default function Invoice(props: InvoiceProps) {
   const invoice = props.invoice;
   const webln = useWebln();
@@ -21,21 +26,21 @@ export default function Invoice(props: InvoiceProps) {
 
   const info = useMemo(() => {
     try {
-      let parsed = invoiceDecode(invoice);
+      const parsed = invoiceDecode(invoice);
 
-      let amount = parseInt(
+      const amount = parseInt(
-        parsed.sections.find((a: any) => a.name === "amount")?.value
+        parsed.sections.find((a: Section) => a.name === "amount")?.value
       );
-      let timestamp = parseInt(
+      const timestamp = parseInt(
-        parsed.sections.find((a: any) => a.name === "timestamp")?.value
+        parsed.sections.find((a: Section) => a.name === "timestamp")?.value
       );
-      let expire = parseInt(
+      const expire = parseInt(
-        parsed.sections.find((a: any) => a.name === "expiry")?.value
+        parsed.sections.find((a: Section) => a.name === "expiry")?.value
       );
-      let description = parsed.sections.find(
+      const description = parsed.sections.find(
-        (a: any) => a.name === "description"
+        (a: Section) => a.name === "description"
       )?.value;
-      let ret = {
+      const ret = {
         amount: !isNaN(amount) ? amount / 1000 : 0,
         expire: !isNaN(timestamp) && !isNaN(expire) ? timestamp + expire : null,
         description,
@@ -72,7 +77,7 @@ export default function Invoice(props: InvoiceProps) {
     );
   }
 
-  async function payInvoice(e: any) {
+  async function payInvoice(e: React.MouseEvent<HTMLButtonElement>) {
     e.stopPropagation();
     if (webln?.enabled) {
       try {

src/Element/LNURLTip.css

@@ -0,0 +1,59 @@
+.lnurl-tip {
+  text-align: center;
+}
+
+.lnurl-tip .btn {
+  background-color: inherit;
+  width: 210px;
+  margin: 0 0 10px 0;
+}
+
+.lnurl-tip .btn:hover {
+  background-color: var(--gray);
+}
+
+.sat-amount {
+  display: inline-block;
+  background-color: var(--gray-secondary);
+  color: var(--font-color);
+  padding: 2px 10px;
+  border-radius: 10px;
+  user-select: none;
+  margin: 2px 5px;
+}
+
+.sat-amount:hover {
+  cursor: pointer;
+}
+
+.sat-amount.active {
+  font-weight: bold;
+  color: var(--note-bg);
+  background-color: var(--font-color);
+}
+
+.lnurl-tip .invoice {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+}
+
+.lnurl-tip .invoice .actions {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  text-align: center;
+}
+
+.lnurl-tip .invoice .actions .copy-action {
+  margin: 10px auto;
+}
+
+.lnurl-tip .invoice .actions .pay-actions {
+  margin: 10px auto;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+}

src/Element/LNURLTip.tsx

@@ -0,0 +1,301 @@
+import "./LNURLTip.css";
+import { useEffect, useMemo, useState } from "react";
+import { bech32ToText, unwrap } from "Util";
+import { HexKey } from "Nostr";
+import useEventPublisher from "Feed/EventPublisher";
+import Modal from "Element/Modal";
+import QrCode from "Element/QrCode";
+import Copy from "Element/Copy";
+import useWebln from "Hooks/useWebln";
+
+interface LNURLService {
+  nostrPubkey?: HexKey;
+  minSendable?: number;
+  maxSendable?: number;
+  metadata: string;
+  callback: string;
+  commentAllowed?: number;
+}
+
+interface LNURLInvoice {
+  pr: string;
+  successAction?: LNURLSuccessAction;
+}
+
+interface LNURLSuccessAction {
+  description?: string;
+  url?: string;
+}
+
+export interface LNURLTipProps {
+  onClose?: () => void;
+  svc?: string;
+  show?: boolean;
+  invoice?: string; // shortcut to invoice qr tab
+  title?: string;
+  notice?: string;
+  note?: HexKey;
+  author?: HexKey;
+}
+
+export default function LNURLTip(props: LNURLTipProps) {
+  const onClose = props.onClose || (() => undefined);
+  const service = props.svc;
+  const show = props.show || false;
+  const { note, author } = props;
+  const amounts = [50, 100, 500, 1_000, 5_000, 10_000, 50_000];
+  const [payService, setPayService] = useState<LNURLService>();
+  const [amount, setAmount] = useState<number>();
+  const [customAmount, setCustomAmount] = useState<number>(0);
+  const [invoice, setInvoice] = useState<LNURLInvoice>();
+  const [comment, setComment] = useState<string>();
+  const [error, setError] = useState<string>();
+  const [success, setSuccess] = useState<LNURLSuccessAction>();
+  const webln = useWebln(show);
+  const publisher = useEventPublisher();
+
+  useEffect(() => {
+    if (show && !props.invoice) {
+      loadService()
+        .then((a) => setPayService(unwrap(a)))
+        .catch(() => setError("Failed to load LNURL service"));
+    } else {
+      setPayService(undefined);
+      setError(undefined);
+      setInvoice(props.invoice ? { pr: props.invoice } : undefined);
+      setAmount(undefined);
+      setComment(undefined);
+      setSuccess(undefined);
+    }
+  }, [show, service]);
+
+  const serviceAmounts = useMemo(() => {
+    if (payService) {
+      const min = (payService.minSendable ?? 0) / 1000;
+      const max = (payService.maxSendable ?? 0) / 1000;
+      return amounts.filter((a) => a >= min && a <= max);
+    }
+    return [];
+  }, [payService]);
+
+  const metadata = useMemo(() => {
+    if (payService) {
+      const meta: string[][] = JSON.parse(payService.metadata);
+      const desc = meta.find((a) => a[0] === "text/plain");
+      const image = meta.find((a) => a[0] === "image/png;base64");
+      return {
+        description: desc ? desc[1] : null,
+        image: image ? image[1] : null,
+      };
+    }
+    return null;
+  }, [payService]);
+
+  const selectAmount = (a: number) => {
+    setError(undefined);
+    setInvoice(undefined);
+    setAmount(a);
+  };
+
+  async function fetchJson<T>(url: string) {
+    const rsp = await fetch(url);
+    if (rsp.ok) {
+      const data: T = await rsp.json();
+      console.log(data);
+      setError(undefined);
+      return data;
+    }
+    return null;
+  }
+
+  async function loadService(): Promise<LNURLService | null> {
+    if (service) {
+      const isServiceUrl = service.toLowerCase().startsWith("lnurl");
+      if (isServiceUrl) {
+        const serviceUrl = bech32ToText(service);
+        return await fetchJson(serviceUrl);
+      } else {
+        const ns = service.split("@");
+        return await fetchJson(`https://${ns[1]}/.well-known/lnurlp/${ns[0]}`);
+      }
+    }
+    return null;
+  }
+
+  async function loadInvoice() {
+    if (!amount || !payService) return null;
+    let url = "";
+    const amountParam = `amount=${Math.floor(amount * 1000)}`;
+    const commentParam = comment
+      ? `&comment=${encodeURIComponent(comment)}`
+      : "";
+    if (payService.nostrPubkey && author) {
+      const ev = await publisher.zap(author, note, comment);
+      const nostrParam =
+        ev && `&nostr=${encodeURIComponent(JSON.stringify(ev.ToObject()))}`;
+      url = `${payService.callback}?${amountParam}${commentParam}${nostrParam}`;
+    } else {
+      url = `${payService.callback}?${amountParam}${commentParam}`;
+    }
+    try {
+      const rsp = await fetch(url);
+      if (rsp.ok) {
+        const data = await rsp.json();
+        console.log(data);
+        if (data.status === "ERROR") {
+          setError(data.reason);
+        } else {
+          setInvoice(data);
+          setError("");
+          payWebLNIfEnabled(data);
+        }
+      } else {
+        setError("Failed to load invoice");
+      }
+    } catch (e) {
+      setError("Failed to load invoice");
+    }
+  }
+
+  function custom() {
+    const min = (payService?.minSendable ?? 0) / 1000;
+    const max = (payService?.maxSendable ?? 21_000_000_000) / 1000;
+    return (
+      <div className="flex mb10">
+        <input
+          type="number"
+          min={min}
+          max={max}
+          className="f-grow mr10"
+          value={customAmount}
+          onChange={(e) => setCustomAmount(parseInt(e.target.value))}
+        />
+        <div className="btn" onClick={() => selectAmount(customAmount)}>
+          Confirm
+        </div>
+      </div>
+    );
+  }
+
+  async function payWebLNIfEnabled(invoice: LNURLInvoice) {
+    try {
+      if (webln?.enabled) {
+        const res = await webln.sendPayment(invoice.pr);
+        console.log(res);
+        setSuccess(invoice.successAction || {});
+      }
+    } catch (e: unknown) {
+      console.warn(e);
+      if (e instanceof Error) {
+        setError(e.toString());
+      }
+    }
+  }
+
+  function invoiceForm() {
+    if (invoice) return null;
+    return (
+      <>
+        <div className="f-ellipsis mb10">
+          {metadata?.description ?? service}
+        </div>
+        <div className="flex">
+          {(payService?.commentAllowed ?? 0) > 0 ? (
+            <input
+              type="text"
+              placeholder="Comment"
+              className="mb10 f-grow"
+              maxLength={payService?.commentAllowed}
+              onChange={(e) => setComment(e.target.value)}
+            />
+          ) : null}
+        </div>
+        <div className="mb10">
+          {serviceAmounts.map((a) => (
+            <span
+              className={`sat-amount ${amount === a ? "active" : ""}`}
+              key={a}
+              onClick={() => selectAmount(a)}
+            >
+              {a.toLocaleString()}
+            </span>
+          ))}
+          {payService ? (
+            <span
+              className={`sat-amount ${amount === -1 ? "active" : ""}`}
+              onClick={() => selectAmount(-1)}
+            >
+              Custom
+            </span>
+          ) : null}
+        </div>
+        {amount === -1 ? custom() : null}
+        {(amount ?? 0) > 0 && (
+          <button type="button" className="mb10" onClick={() => loadInvoice()}>
+            Get Invoice
+          </button>
+        )}
+      </>
+    );
+  }
+
+  function payInvoice() {
+    if (success) return null;
+    const pr = invoice?.pr;
+    return (
+      <>
+        <div className="invoice">
+          {props.notice && <b className="error">{props.notice}</b>}
+          <QrCode data={pr} link={`lightning:${pr}`} />
+          <div className="actions">
+            {pr && (
+              <>
+                <div className="copy-action">
+                  <Copy text={pr} maxSize={26} />
+                </div>
+                <div className="pay-actions">
+                  <button
+                    type="button"
+                    onClick={() => window.open(`lightning:${pr}`)}
+                  >
+                    Open Wallet
+                  </button>
+                </div>
+              </>
+            )}
+          </div>
+        </div>
+      </>
+    );
+  }
+
+  function successAction() {
+    if (!success) return null;
+    return (
+      <>
+        <p>{success?.description ?? "Paid!"}</p>
+        {success.url ? (
+          <a href={success.url} rel="noreferrer" target="_blank">
+            {success.url}
+          </a>
+        ) : null}
+      </>
+    );
+  }
+
+  const defaultTitle = payService?.nostrPubkey
+    ? "⚡️ Send Zap!"
+    : "⚡️ Send sats";
+  if (!show) return null;
+  return (
+    <Modal onClose={onClose}>
+      <div className="lnurl-tip" onClick={(e) => e.stopPropagation()}>
+        <h2>{props.title || defaultTitle}</h2>
+        {invoiceForm()}
+        {error ? <p className="error">{error}</p> : null}
+        {payInvoice()}
+        {successAction()}
+      </div>
+    </Modal>
+  );
+}

src/Element/LoadMore.tsx

@@ -23,7 +23,7 @@ export default function LoadMore({
   }, [inView, shouldLoadMore, tick]);
 
   useEffect(() => {
-    let t = setInterval(() => {
+    const t = setInterval(() => {
       setTick((x) => (x += 1));
     }, 500);
     return () => clearInterval(t);

src/Element/Mention.tsx

@@ -9,10 +9,10 @@ export default function Mention({ pubkey }: { pubkey: HexKey }) {
 
   const name = useMemo(() => {
     let name = hexToBech32("npub", pubkey).substring(0, 12);
-    if ((user?.display_name?.length ?? 0) > 0) {
+    if (user?.display_name !== undefined && user.display_name.length > 0) {
-      name = user!.display_name!;
+      name = user.display_name;
-    } else if ((user?.name?.length ?? 0) > 0) {
+    } else if (user?.name !== undefined && user.name.length > 0) {
-      name = user!.name!;
+      name = user.name;
     }
     return name;
   }, [user, pubkey]);

src/Element/Modal.tsx

@@ -8,10 +8,13 @@ export interface ModalProps {
   children: React.ReactNode;
 }
 
-function useOnClickOutside(ref: any, onClickOutside: () => void) {
+function useOnClickOutside(
+  ref: React.MutableRefObject<Element | null>,
+  onClickOutside: () => void
+) {
   useEffect(() => {
-    function handleClickOutside(ev: any) {
+    function handleClickOutside(ev: MouseEvent) {
-      if (ref && ref.current && !ref.current.contains(ev.target)) {
+      if (ref && ref.current && !ref.current.contains(ev.target as Node)) {
         onClickOutside();
       }
     }
@@ -24,7 +27,7 @@ function useOnClickOutside(ref: any, onClickOutside: () => void) {
 
 export default function Modal(props: ModalProps) {
   const ref = useRef(null);
-  const onClose = props.onClose || (() => {});
+  const onClose = props.onClose || (() => undefined);
   const className = props.className || "";
   useOnClickOutside(ref, onClose);
 

src/Element/MutedList.tsx

@@ -1,6 +1,5 @@
 import { useMemo } from "react";
 import { FormattedMessage } from "react-intl";
-
 import { HexKey } from "Nostr";
 import MuteButton from "Element/MuteButton";
 import ProfilePreview from "Element/ProfilePreview";

src/Element/Nip5Service.tsx

@@ -29,7 +29,9 @@ type Nip05ServiceProps = {
   supportLink: string;
 };
 
-type ReduxStore = any;
+interface ReduxStore {
+  login: { publicKey: string };
+}
 
 export default function Nip5Service(props: Nip05ServiceProps) {
   const navigate = useNavigate();
@@ -64,9 +66,9 @@ export default function Nip5Service(props: Nip05ServiceProps) {
         if ("error" in a) {
           setError(a as ServiceError);
         } else {
-          let svc = a as ServiceConfig;
+          const svc = a as ServiceConfig;
           setServiceConfig(svc);
-          let defaultDomain =
+          const defaultDomain =
             svc.domains.find((a) => a.default)?.name || svc.domains[0].name;
           setDomain(defaultDomain);
         }
@@ -86,7 +88,7 @@ export default function Nip5Service(props: Nip05ServiceProps) {
         setAvailabilityResponse({ available: false, why: "TOO_LONG" });
         return;
       }
-      let rx = new RegExp(
+      const rx = new RegExp(
         domainConfig?.regex[0] ?? "",
         domainConfig?.regex[1] ?? ""
       );
@@ -111,14 +113,14 @@ export default function Nip5Service(props: Nip05ServiceProps) {
 
   useEffect(() => {
     if (registerResponse && showInvoice) {
-      let t = setInterval(async () => {
+      const t = setInterval(async () => {
-        let status = await svc.CheckRegistration(registerResponse.token);
+        const status = await svc.CheckRegistration(registerResponse.token);
         if ("error" in status) {
           setError(status);
           setRegisterResponse(undefined);
           setShowInvoice(false);
         } else {
-          let result: CheckRegisterResponse = status;
+          const result: CheckRegisterResponse = status;
           if (result.available && result.paid) {
             setShowInvoice(false);
             setRegisterStatus(status);
@@ -131,8 +133,14 @@ export default function Nip5Service(props: Nip05ServiceProps) {
     }
   }, [registerResponse, showInvoice, svc]);
 
-  function mapError(e: ServiceErrorCode, t: string | null): string | undefined {
+  function mapError(
-    let whyMap = new Map([
+    e: ServiceErrorCode | undefined,
+    t: string | null
+  ): string | undefined {
+    if (e === undefined) {
+      return undefined;
+    }
+    const whyMap = new Map([
       ["TOO_SHORT", formatMessage(messages.TooShort)],
       ["TOO_LONG", formatMessage(messages.TooLong)],
       ["REGEX", formatMessage(messages.Regex)],
@@ -149,7 +157,7 @@ export default function Nip5Service(props: Nip05ServiceProps) {
       return;
     }
 
-    let rsp = await svc.RegisterHandle(handle, domain, pubkey);
+    const rsp = await svc.RegisterHandle(handle, domain, pubkey);
     if ("error" in rsp) {
       setError(rsp);
     } else {
@@ -160,11 +168,11 @@ export default function Nip5Service(props: Nip05ServiceProps) {
 
   async function updateProfile(handle: string, domain: string) {
     if (user) {
-      let newProfile = {
+      const newProfile = {
         ...user,
         nip05: `${handle}@${domain}`,
       } as UserMetadata;
-      let ev = await publisher.metadata(newProfile);
+      const ev = await publisher.metadata(newProfile);
       publisher.broadcast(ev);
       navigate("/settings");
     }
@@ -231,7 +239,7 @@ export default function Nip5Service(props: Nip05ServiceProps) {
           <b className="error">
             <FormattedMessage {...messages.NotAvailable} />{" "}
             {mapError(
-              availabilityResponse.why!,
+              availabilityResponse.why,
               availabilityResponse.reasonTag || null
             )}
           </b>

src/Element/Note.tsx

@@ -17,7 +17,6 @@ import Text from "Element/Text";
 import { eventLink, getReactions, hexToBech32 } from "Util";
 import NoteFooter, { Translation } from "Element/NoteFooter";
 import NoteTime from "Element/NoteTime";
-import ShowMore from "Element/ShowMore";
 import EventKind from "Nostr/EventKind";
 import { useUserProfiles } from "Feed/ProfileFeed";
 import { TaggedRawEvent, u256 } from "Nostr";
@@ -39,10 +38,10 @@ export interface NoteProps {
   ["data-ev"]?: NEvent;
 }
 
-const HiddenNote = ({ children }: any) => {
+const HiddenNote = ({ children }: { children: React.ReactNode }) => {
   const [show, setShow] = useState(false);
   return show ? (
-    children
+    <>{children}</>
   ) : (
     <div className="card note hidden-note">
       <div className="header">
@@ -61,7 +60,6 @@ export default function Note(props: NoteProps) {
   const navigate = useNavigate();
   const {
     data,
-    className,
     related,
     highlight,
     options: opt,
@@ -80,9 +78,9 @@ export default function Note(props: NoteProps) {
   const { ref, inView, entry } = useInView({ triggerOnce: true });
   const [extendable, setExtendable] = useState<boolean>(false);
   const [showMore, setShowMore] = useState<boolean>(false);
-  const baseClassname = `note card ${props.className ? props.className : ""}`;
+  const baseClassName = `note card ${props.className ? props.className : ""}`;
   const [translated, setTranslated] = useState<Translation>();
-  const replyId = ev.Thread?.ReplyTo?.Event ?? ev.Thread?.Root?.Event;
+  // TODO Why was this unused? Was this a mistake?
   const { formatMessage } = useIntl();
 
   const options = {
@@ -93,7 +91,7 @@ export default function Note(props: NoteProps) {
   };
 
   const transformBody = useCallback(() => {
-    let body = ev?.Content ?? "";
+    const body = ev?.Content ?? "";
     if (deletions?.length > 0) {
       return (
         <b className="error">
@@ -113,14 +111,14 @@ export default function Note(props: NoteProps) {
 
   useLayoutEffect(() => {
     if (entry && inView && extendable === false) {
-      let h = entry?.target.clientHeight ?? 0;
+      const h = entry?.target.clientHeight ?? 0;
       if (h > 650) {
         setExtendable(true);
       }
     }
   }, [inView, entry, extendable]);
 
-  function goToEvent(e: any, id: u256) {
+  function goToEvent(e: React.MouseEvent, id: u256) {
     e.stopPropagation();
     navigate(eventLink(id));
   }
@@ -131,9 +129,9 @@ export default function Note(props: NoteProps) {
     }
 
     const maxMentions = 2;
-    let replyId = ev.Thread?.ReplyTo?.Event ?? ev.Thread?.Root?.Event;
+    const replyId = ev.Thread?.ReplyTo?.Event ?? ev.Thread?.Root?.Event;
-    let mentions: { pk: string; name: string; link: ReactNode }[] = [];
+    const mentions: { pk: string; name: string; link: ReactNode }[] = [];
-    for (let pk of ev.Thread?.PubKeys) {
+    for (const pk of ev.Thread?.PubKeys ?? []) {
       const u = users?.get(pk);
       const npub = hexToBech32("npub", pk);
       const shortNpub = npub.substring(0, 12);
@@ -153,9 +151,9 @@ export default function Note(props: NoteProps) {
         });
       }
     }
-    mentions.sort((a, b) => (a.name.startsWith("npub") ? 1 : -1));
+    mentions.sort((a) => (a.name.startsWith("npub") ? 1 : -1));
-    let othersLength = mentions.length - maxMentions;
+    const othersLength = mentions.length - maxMentions;
-    const renderMention = (m: any, idx: number) => {
+    const renderMention = (m: { link: React.ReactNode }, idx: number) => {
       return (
         <>
           {idx > 0 && ", "}
@@ -268,7 +266,7 @@ export default function Note(props: NoteProps) {
 
   const note = (
     <div
-      className={`${baseClassname}${highlight ? " active " : " "}${
+      className={`${baseClassName}${highlight ? " active " : " "}${
         extendable && !showMore ? " note-expand" : ""
       }`}
       ref={ref}

src/Element/NoteCreator.tsx

@@ -33,14 +33,14 @@ export interface NoteCreatorProps {
   show: boolean;
   setShow: (s: boolean) => void;
   replyTo?: NEvent;
-  onSend?: Function;
+  onSend?: () => void;
   autoFocus: boolean;
 }
 
 export function NoteCreator(props: NoteCreatorProps) {
   const { show, setShow, replyTo, onSend, autoFocus } = props;
   const publisher = useEventPublisher();
-  const [note, setNote] = useState<string>();
+  const [note, setNote] = useState<string>("");
   const [error, setError] = useState<string>();
   const [active, setActive] = useState<boolean>(false);
   const uploader = useFileUpload();
@@ -48,7 +48,7 @@ export function NoteCreator(props: NoteCreatorProps) {
 
   async function sendNote() {
     if (note) {
-      let ev = replyTo
+      const ev = replyTo
         ? await publisher.reply(replyTo, note)
         : await publisher.note(note);
       console.debug("Sending note: ", ev);
@@ -64,21 +64,23 @@ export function NoteCreator(props: NoteCreatorProps) {
 
   async function attachFile() {
     try {
-      let file = await openFile();
+      const file = await openFile();
       if (file) {
-        let rx = await uploader.upload(file, file.name);
+        const rx = await uploader.upload(file, file.name);
         if (rx.url) {
           setNote((n) => `${n ? `${n}\n` : ""}${rx.url}`);
         } else if (rx?.error) {
           setError(rx.error);
         }
       }
-    } catch (error: any) {
+    } catch (error: unknown) {
-      setError(error?.message);
+      if (error instanceof Error) {
+        setError(error?.message);
+      }
     }
   }
 
-  function onChange(ev: any) {
+  function onChange(ev: React.ChangeEvent<HTMLTextAreaElement>) {
     const { value } = ev.target;
     setNote(value);
     if (value) {
@@ -88,7 +90,7 @@ export function NoteCreator(props: NoteCreatorProps) {
     }
   }
 
-  function cancel(ev: any) {
+  function cancel() {
     setShow(false);
     setNote("");
   }
@@ -112,11 +114,7 @@ export function NoteCreator(props: NoteCreatorProps) {
                 value={note}
                 onFocus={() => setActive(true)}
               />
-              <button
+              <button type="button" className="attachment" onClick={attachFile}>
-                type="button"
-                className="attachment"
-                onClick={(e) => attachFile()}
-              >
                 <Attachment />
               </button>
             </div>

src/Element/NoteFooter.tsx

@@ -95,7 +95,7 @@ export default function NoteFooter(props: NoteFooterProps) {
   const groupReactions = useMemo(() => {
     const result = reactions?.reduce(
       (acc, reaction) => {
-        let kind = normalizeReaction(reaction.content);
+        const kind = normalizeReaction(reaction.content);
         const rs = acc[kind] || [];
         if (rs.map((e) => e.pubkey).includes(reaction.pubkey)) {
           return acc;
@@ -128,7 +128,7 @@ export default function NoteFooter(props: NoteFooterProps) {
 
   async function react(content: string) {
     if (!hasReacted(content)) {
-      let evLike = await publisher.react(ev, content);
+      const evLike = await publisher.react(ev, content);
       publisher.broadcast(evLike);
     }
   }
@@ -139,7 +139,7 @@ export default function NoteFooter(props: NoteFooterProps) {
         formatMessage(messages.ConfirmDeletion, { id: ev.Id.substring(0, 8) })
       )
     ) {
-      let evDelete = await publisher.delete(ev.Id);
+      const evDelete = await publisher.delete(ev.Id);
       publisher.broadcast(evDelete);
     }
   }
@@ -150,14 +150,14 @@ export default function NoteFooter(props: NoteFooterProps) {
         !prefs.confirmReposts ||
         window.confirm(formatMessage(messages.ConfirmRepost, { id: ev.Id }))
       ) {
-        let evRepost = await publisher.repost(ev);
+        const evRepost = await publisher.repost(ev);
         publisher.broadcast(evRepost);
       }
     }
   }
 
   function tipButton() {
-    let service = author?.lud16 || author?.lud06;
+    const service = author?.lud16 || author?.lud06;
     if (service) {
       return (
         <>
@@ -246,7 +246,7 @@ export default function NoteFooter(props: NoteFooterProps) {
     });
 
     if (res.ok) {
-      let result = await res.json();
+      const result = await res.json();
       if (typeof props.onTranslated === "function" && result) {
         props.onTranslated({
           text: result.translatedText,
@@ -332,7 +332,7 @@ export default function NoteFooter(props: NoteFooterProps) {
           {reactionIcons()}
           <div
             className={`reaction-pill ${reply ? "reacted" : ""}`}
-            onClick={(e) => setReply((s) => !s)}
+            onClick={() => setReply((s) => !s)}
           >
             <div className="reaction-pill-icon">
               <Reply />

src/Element/NoteGhost.tsx

@@ -1,8 +1,13 @@
 import "./Note.css";
 import ProfileImage from "Element/ProfileImage";
 
-export default function NoteGhost(props: any) {
+interface NoteGhostProps {
-  const className = `note card ${props.className ? props.className : ""}`;
+  className?: string;
+  children: React.ReactNode;
+}
+
+export default function NoteGhost(props: NoteGhostProps) {
+  const className = `note card ${props.className ?? ""}`;
   return (
     <div className={className}>
       <div className="header">

src/Element/NoteReaction.tsx

@@ -23,7 +23,7 @@ export default function NoteReaction(props: NoteReactionProps) {
 
   const refEvent = useMemo(() => {
     if (ev) {
-      let eTags = ev.Tags.filter((a) => a.Key === "e");
+      const eTags = ev.Tags.filter((a) => a.Key === "e");
       if (eTags.length > 0) {
         return eTags[0].Event;
       }
@@ -45,7 +45,7 @@ export default function NoteReaction(props: NoteReactionProps) {
       ev.Content !== "#[0]"
     ) {
       try {
-        let r: RawEvent = JSON.parse(ev.Content);
+        const r: RawEvent = JSON.parse(ev.Content);
         return r as TaggedRawEvent;
       } catch (e) {
         console.error("Could not load reposted content", e);

src/Element/NoteTime.tsx

@@ -1,5 +1,4 @@
 import { useEffect, useState } from "react";
-import { FormattedRelativeTime } from "react-intl";
 
 const MinuteInMs = 1_000 * 60;
 const HourInMs = MinuteInMs * 60;
@@ -19,10 +18,11 @@ export default function NoteTime(props: NoteTimeProps) {
   }).format(from);
   const fromDate = new Date(from);
   const isoDate = fromDate.toISOString();
-  const ago = new Date().getTime() - from;
-  const absAgo = Math.abs(ago);
 
   function calcTime() {
+    const fromDate = new Date(from);
+    const ago = new Date().getTime() - from;
+    const absAgo = Math.abs(ago);
     if (absAgo > DayInMs) {
       return fromDate.toLocaleDateString(undefined, {
         year: "2-digit",
@@ -38,7 +38,7 @@ export default function NoteTime(props: NoteTimeProps) {
     } else if (absAgo < MinuteInMs) {
       return fallback;
     } else {
-      let mins = Math.floor(absAgo / MinuteInMs);
+      const mins = Math.floor(absAgo / MinuteInMs);
       if (ago < 0) {
         return `in ${mins}m`;
       }
@@ -48,9 +48,9 @@ export default function NoteTime(props: NoteTimeProps) {
 
   useEffect(() => {
     setTime(calcTime());
-    let t = setInterval(() => {
+    const t = setInterval(() => {
       setTime((s) => {
-        let newTime = calcTime();
+        const newTime = calcTime();
         if (newTime !== s) {
           return newTime;
         }

src/Element/NoteToSelf.tsx

@@ -16,7 +16,7 @@ export interface NoteToSelfProps {
   link?: string;
 }
 
-function NoteLabel({ pubkey, link }: NoteToSelfProps) {
+function NoteLabel({ pubkey }: NoteToSelfProps) {
   const user = useUserProfile(pubkey);
   return (
     <div>

src/Element/ProfileImage.tsx

@@ -63,10 +63,10 @@ export function getDisplayName(
   pubkey: HexKey
 ) {
   let name = hexToBech32("npub", pubkey).substring(0, 12);
-  if ((user?.display_name?.length ?? 0) > 0) {
+  if (user?.display_name !== undefined && user.display_name.length > 0) {
-    name = user!.display_name!;
+    name = user.display_name;
-  } else if ((user?.name?.length ?? 0) > 0) {
+  } else if (user?.name !== undefined && user.name.length > 0) {
-    name = user!.name!;
+    name = user.name;
   }
   return name;
 }

src/Element/ProxyImg.tsx

@@ -1,7 +1,15 @@
 import useImgProxy from "Feed/ImgProxy";
 import { useEffect, useState } from "react";
 
-export const ProxyImg = (props: any) => {
+interface ProxyImgProps
+  extends React.DetailedHTMLProps<
+    React.ImgHTMLAttributes<HTMLImageElement>,
+    HTMLImageElement
+  > {
+  size?: number;
+}
+
+export const ProxyImg = (props: ProxyImgProps) => {
   const { src, size, ...rest } = props;
   const [url, setUrl] = useState<string>();
   const { proxy } = useImgProxy();

src/Element/QrCode.tsx

@@ -15,7 +15,7 @@ export default function QrCode(props: QrCodeProps) {
 
   useEffect(() => {
     if ((props.data?.length ?? 0) > 0 && qrRef.current) {
-      let qr = new QRCodeStyling({
+      const qr = new QRCodeStyling({
         width: props.width || 256,
         height: props.height || 256,
         data: props.data,
@@ -35,9 +35,9 @@ export default function QrCode(props: QrCodeProps) {
       qrRef.current.innerHTML = "";
       qr.append(qrRef.current);
       if (props.link) {
-        qrRef.current.onclick = function (e) {
+        qrRef.current.onclick = function () {
-          let elm = document.createElement("a");
+          const elm = document.createElement("a");
-          elm.href = props.link!;
+          elm.href = props.link ?? "";
           elm.click();
         };
       }
@@ -46,10 +46,5 @@ export default function QrCode(props: QrCodeProps) {
     }
   }, [props.data, props.link]);
 
-  return (
+  return <div className={`qr${props.className ?? ""}`} ref={qrRef}></div>;
-    <div
-      className={`qr${props.className ? ` ${props.className}` : ""}`}
-      ref={qrRef}
-    ></div>
-  );
 }

src/Element/Relay.tsx

@@ -47,7 +47,7 @@ export default function Relay(props: RelayProps) {
     );
   }
 
-  let latency = Math.floor(state?.avgLatency ?? 0);
+  const latency = Math.floor(state?.avgLatency ?? 0);
   return (
     <>
       <div className={`relay w-max`}>
@@ -104,7 +104,10 @@ export default function Relay(props: RelayProps) {
               <FontAwesomeIcon icon={faPlugCircleXmark} /> {state?.disconnects}
             </div>
             <div>
-              <span className="icon-btn" onClick={() => navigate(state!.id)}>
+              <span
+                className="icon-btn"
+                onClick={() => navigate(state?.id ?? "")}
+              >
                 <FontAwesomeIcon icon={faGear} />
               </span>
             </div>

src/Element/SendSats.tsx

@@ -50,7 +50,7 @@ export interface LNURLTipProps {
 }
 
 export default function LNURLTip(props: LNURLTipProps) {
-  const onClose = props.onClose || (() => {});
+  const onClose = props.onClose || (() => undefined);
   const service = props.svc;
   const show = props.show || false;
   const { note, author, target } = props;
@@ -83,7 +83,7 @@ export default function LNURLTip(props: LNURLTipProps) {
   useEffect(() => {
     if (show && !props.invoice) {
       loadService()
-        .then((a) => setPayService(a!))
+        .then((a) => setPayService(a ?? undefined))
         .catch(() => setError(formatMessage(messages.LNURLFail)));
     } else {
       setPayService(undefined);
@@ -97,25 +97,14 @@ export default function LNURLTip(props: LNURLTipProps) {
 
   const serviceAmounts = useMemo(() => {
     if (payService) {
-      let min = (payService.minSendable ?? 0) / 1000;
+      const min = (payService.minSendable ?? 0) / 1000;
-      let max = (payService.maxSendable ?? 0) / 1000;
+      const max = (payService.maxSendable ?? 0) / 1000;
       return amounts.filter((a) => a >= min && a <= max);
     }
     return [];
   }, [payService]);
 
-  const metadata = useMemo(() => {
+  // TODO Why was this never used? I think this might be a bug, or was it just an oversight?
-    if (payService) {
-      let meta: string[][] = JSON.parse(payService.metadata);
-      let desc = meta.find((a) => a[0] === "text/plain");
-      let image = meta.find((a) => a[0] === "image/png;base64");
-      return {
-        description: desc ? desc[1] : null,
-        image: image ? image[1] : null,
-      };
-    }
-    return null;
-  }, [payService]);
 
   const selectAmount = (a: number) => {
     setError(undefined);
@@ -124,9 +113,9 @@ export default function LNURLTip(props: LNURLTipProps) {
   };
 
   async function fetchJson<T>(url: string) {
-    let rsp = await fetch(url);
+    const rsp = await fetch(url);
     if (rsp.ok) {
-      let data: T = await rsp.json();
+      const data: T = await rsp.json();
       console.log(data);
       setError(undefined);
       return data;
@@ -136,12 +125,12 @@ export default function LNURLTip(props: LNURLTipProps) {
 
   async function loadService(): Promise<LNURLService | null> {
     if (service) {
-      let isServiceUrl = service.toLowerCase().startsWith("lnurl");
+      const isServiceUrl = service.toLowerCase().startsWith("lnurl");
       if (isServiceUrl) {
-        let serviceUrl = bech32ToText(service);
+        const serviceUrl = bech32ToText(service);
         return await fetchJson(serviceUrl);
       } else {
-        let ns = service.split("@");
+        const ns = service.split("@");
         return await fetchJson(`https://${ns[1]}/.well-known/lnurlp/${ns[0]}`);
       }
     }
@@ -165,9 +154,9 @@ export default function LNURLTip(props: LNURLTipProps) {
       url = `${payService.callback}?${amountParam}${commentParam}`;
     }
     try {
-      let rsp = await fetch(url);
+      const rsp = await fetch(url);
       if (rsp.ok) {
-        let data = await rsp.json();
+        const data = await rsp.json();
         console.log(data);
         if (data.status === "ERROR") {
           setError(data.reason);
@@ -185,8 +174,8 @@ export default function LNURLTip(props: LNURLTipProps) {
   }
 
   function custom() {
-    let min = (payService?.minSendable ?? 1000) / 1000;
+    const min = (payService?.minSendable ?? 1000) / 1000;
-    let max = (payService?.maxSendable ?? 21_000_000_000) / 1000;
+    const max = (payService?.maxSendable ?? 21_000_000_000) / 1000;
     return (
       <div className="custom-amount flex">
         <input
@@ -201,8 +190,8 @@ export default function LNURLTip(props: LNURLTipProps) {
         <button
           className="secondary"
           type="button"
-          disabled={!Boolean(customAmount)}
+          disabled={!customAmount}
-          onClick={() => selectAmount(customAmount!)}
+          onClick={() => selectAmount(customAmount ?? 0)}
         >
           <FormattedMessage {...messages.Confirm} />
         </button>
@@ -213,13 +202,15 @@ export default function LNURLTip(props: LNURLTipProps) {
   async function payWebLNIfEnabled(invoice: LNURLInvoice) {
     try {
       if (webln?.enabled) {
-        let res = await webln.sendPayment(invoice!.pr);
+        const res = await webln.sendPayment(invoice?.pr ?? "");
         console.log(res);
-        setSuccess(invoice!.successAction || {});
+        setSuccess(invoice?.successAction ?? {});
       }
-    } catch (e: any) {
+    } catch (e: unknown) {
-      setError(e.toString());
       console.warn(e);
+      if (e instanceof Error) {
+        setError(e.toString());
+      }
     }
   }
 

src/Element/Text.tsx

@@ -5,7 +5,7 @@ import ReactMarkdown from "react-markdown";
 import { visit, SKIP } from "unist-util-visit";
 
 import { UrlRegex, MentionRegex, InvoiceRegex, HashtagRegex } from "Const";
-import { eventLink, hexToBech32 } from "Util";
+import { eventLink, hexToBech32, unwrap } from "Util";
 import Invoice from "Element/Invoice";
 import Hashtag from "Element/Hashtag";
 
@@ -14,11 +14,12 @@ import { MetadataCache } from "State/Users";
 import Mention from "Element/Mention";
 import HyperText from "Element/HyperText";
 import { HexKey } from "Nostr";
+import * as unist from "unist";
 
-export type Fragment = string | JSX.Element;
+export type Fragment = string | React.ReactNode;
 
 export interface TextFragment {
-  body: Fragment[];
+  body: React.ReactNode[];
   tags: Tag[];
   users: Map<string, MetadataCache>;
 }
@@ -52,24 +53,24 @@ export default function Text({ content, tags, creator, users }: TextProps) {
       .map((f) => {
         if (typeof f === "string") {
           return f.split(MentionRegex).map((match) => {
-            let matchTag = match.match(/#\[(\d+)\]/);
+            const matchTag = match.match(/#\[(\d+)\]/);
             if (matchTag && matchTag.length === 2) {
-              let idx = parseInt(matchTag[1]);
+              const idx = parseInt(matchTag[1]);
-              let ref = frag.tags?.find((a) => a.Index === idx);
+              const ref = frag.tags?.find((a) => a.Index === idx);
               if (ref) {
                 switch (ref.Key) {
                   case "p": {
-                    return <Mention pubkey={ref.PubKey!} />;
+                    return <Mention pubkey={ref.PubKey ?? ""} />;
                   }
                   case "e": {
-                    let eText = hexToBech32("note", ref.Event!).substring(
+                    const eText = hexToBech32(
-                      0,
+                      "note",
-                      12
+                      ref.Event ?? ""
-                    );
+                    ).substring(0, 12);
                     return (
                       <Link
                         key={ref.Event}
-                        to={eventLink(ref.Event!)}
+                        to={eventLink(ref.Event ?? "")}
                         onClick={(e) => e.stopPropagation()}
                       >
                         #{eText}
@@ -77,7 +78,7 @@ export default function Text({ content, tags, creator, users }: TextProps) {
                     );
                   }
                   case "t": {
-                    return <Hashtag tag={ref.Hashtag!} />;
+                    return <Hashtag tag={ref.Hashtag ?? ""} />;
                   }
                 }
               }
@@ -127,7 +128,7 @@ export default function Text({ content, tags, creator, users }: TextProps) {
   }
 
   function transformLi(frag: TextFragment) {
-    let fragments = transformText(frag);
+    const fragments = transformText(frag);
     return <li>{fragments}</li>;
   }
 
@@ -140,9 +141,6 @@ export default function Text({ content, tags, creator, users }: TextProps) {
   }
 
   function transformText(frag: TextFragment) {
-    if (frag.body === undefined) {
-      debugger;
-    }
     let fragments = extractMentions(frag);
     fragments = extractLinks(fragments);
     fragments = extractInvoices(fragments);
@@ -152,15 +150,22 @@ export default function Text({ content, tags, creator, users }: TextProps) {
 
   const components = useMemo(() => {
     return {
-      p: (x: any) =>
+      p: (x: { children?: React.ReactNode[] }) =>
         transformParagraph({ body: x.children ?? [], tags, users }),
-      a: (x: any) => <HyperText link={x.href} creator={creator} />,
+      a: (x: { href?: string }) => (
-      li: (x: any) => transformLi({ body: x.children ?? [], tags, users }),
+        <HyperText link={x.href ?? ""} creator={creator} />
+      ),
+      li: (x: { children?: Fragment[] }) =>
+        transformLi({ body: x.children ?? [], tags, users }),
     };
   }, [content]);
 
+  interface Node extends unist.Node<unist.Data> {
+    value: string;
+  }
+
   const disableMarkdownLinks = useCallback(
-    () => (tree: any) => {
+    () => (tree: Node) => {
       visit(tree, (node, index, parent) => {
         if (
           parent &&
@@ -172,8 +177,9 @@ export default function Text({ content, tags, creator, users }: TextProps) {
             node.type === "definition")
         ) {
           node.type = "text";
+          const position = unwrap(node.position);
           node.value = content
-            .slice(node.position.start.offset, node.position.end.offset)
+            .slice(position.start.offset, position.end.offset)
             .replace(/\)$/, " )");
           return SKIP;
         }

src/Element/Textarea.tsx

@@ -2,7 +2,7 @@ import "@webscopeio/react-textarea-autocomplete/style.css";
 import "./Textarea.css";
 
 import { useState } from "react";
-import { useIntl, FormattedMessage } from "react-intl";
+import { useIntl } from "react-intl";
 import ReactTextareaAutocomplete from "@webscopeio/react-textarea-autocomplete";
 import emoji from "@jukben/emoji-search";
 import TextareaAutosize from "react-textarea-autosize";
@@ -30,7 +30,7 @@ const EmojiItem = ({ entity: { name, char } }: { entity: EmojiItemProps }) => {
 };
 
 const UserItem = (metadata: MetadataCache) => {
-  const { pubkey, display_name, picture, nip05, ...rest } = metadata;
+  const { pubkey, display_name, nip05, ...rest } = metadata;
   return (
     <div key={pubkey} className="user-item">
       <div className="user-picture">
@@ -44,7 +44,15 @@ const UserItem = (metadata: MetadataCache) => {
   );
 };
 
-const Textarea = ({ users, onChange, ...rest }: any) => {
+interface TextareaProps {
+  autoFocus: boolean;
+  className: string;
+  onChange(ev: React.ChangeEvent<HTMLTextAreaElement>): void;
+  value: string;
+  onFocus(): void;
+}
+
+const Textarea = (props: TextareaProps) => {
   const [query, setQuery] = useState("");
   const { formatMessage } = useIntl();
 
@@ -52,7 +60,7 @@ const Textarea = ({ users, onChange, ...rest }: any) => {
 
   const userDataProvider = (token: string) => {
     setQuery(token);
-    return allUsers;
+    return allUsers ?? [];
   };
 
   const emojiDataProvider = (token: string) => {
@@ -62,23 +70,26 @@ const Textarea = ({ users, onChange, ...rest }: any) => {
   };
 
   return (
+    // @ts-expect-error If anybody can figure out how to type this, please do
     <ReactTextareaAutocomplete
-      {...rest}
+      {...props}
-      loadingComponent={() => <span>Loading....</span>}
+      loadingComponent={() => <span>Loading...</span>}
       placeholder={formatMessage(messages.NotePlaceholder)}
-      onChange={onChange}
       textAreaComponent={TextareaAutosize}
       trigger={{
         ":": {
           dataProvider: emojiDataProvider,
           component: EmojiItem,
-          output: (item: EmojiItemProps, trigger) => item.char,
+          output: (item: EmojiItemProps) => item.char,
         },
         "@": {
           afterWhitespace: true,
           dataProvider: userDataProvider,
-          component: (props: any) => <UserItem {...props.entity} />,
+          component: (props: { entity: MetadataCache }) => (
-          output: (item: any) => `@${hexToBech32("npub", item.pubkey)}`,
+            <UserItem {...props.entity} />
+          ),
+          output: (item: { pubkey: string }) =>
+            `@${hexToBech32("npub", item.pubkey)}`,
         },
       }}
     />

src/Element/Thread.tsx

@@ -6,19 +6,18 @@ import { useNavigate, useLocation, Link } from "react-router-dom";
 import { TaggedRawEvent, u256, HexKey } from "Nostr";
 import { default as NEvent } from "Nostr/Event";
 import EventKind from "Nostr/EventKind";
-import { eventLink, hexToBech32, bech32ToHex } from "Util";
+import { eventLink, bech32ToHex, unwrap } from "Util";
 import BackButton from "Element/BackButton";
 import Note from "Element/Note";
 import NoteGhost from "Element/NoteGhost";
 import Collapsed from "Element/Collapsed";
-
 import messages from "./messages";
 
 function getParent(
   ev: HexKey,
   chains: Map<HexKey, NEvent[]>
 ): HexKey | undefined {
-  for (let [k, vs] of chains.entries()) {
+  for (const [k, vs] of chains.entries()) {
     const fs = vs.map((a) => a.Id);
     if (fs.includes(ev)) {
       return k;
@@ -53,7 +52,6 @@ interface SubthreadProps {
 const Subthread = ({
   active,
   path,
-  from,
   notes,
   related,
   chains,
@@ -332,20 +330,19 @@ export default function Thread(props: ThreadProps) {
   const location = useLocation();
   const urlNoteId = location?.pathname.slice(3);
   const urlNoteHex = urlNoteId && bech32ToHex(urlNoteId);
-  const rootNoteId = root && hexToBech32("note", root.Id);
 
   const chains = useMemo(() => {
-    let chains = new Map<u256, NEvent[]>();
+    const chains = new Map<u256, NEvent[]>();
     parsedNotes
       ?.filter((a) => a.Kind === EventKind.TextNote)
       .sort((a, b) => b.CreatedAt - a.CreatedAt)
       .forEach((v) => {
-        let replyTo = v.Thread?.ReplyTo?.Event ?? v.Thread?.Root?.Event;
+        const replyTo = v.Thread?.ReplyTo?.Event ?? v.Thread?.Root?.Event;
         if (replyTo) {
           if (!chains.has(replyTo)) {
             chains.set(replyTo, [v]);
           } else {
-            chains.get(replyTo)!.push(v);
+            unwrap(chains.get(replyTo)).push(v);
           }
         } else if (v.Tags.length > 0) {
           console.log("Not replying to anything: ", v);
@@ -370,7 +367,7 @@ export default function Thread(props: ThreadProps) {
       return;
     }
 
-    let subthreadPath = [];
+    const subthreadPath = [];
     let parent = getParent(urlNoteHex, chains);
     while (parent) {
       subthreadPath.unshift(parent);
@@ -414,7 +411,7 @@ export default function Thread(props: ThreadProps) {
     if (!from || !chains) {
       return;
     }
-    let replies = chains.get(from);
+    const replies = chains.get(from);
     if (replies) {
       return (
         <Subthread
@@ -476,6 +473,6 @@ function getReplies(from: u256, chains?: Map<u256, NEvent[]>): NEvent[] {
   if (!from || !chains) {
     return [];
   }
-  let replies = chains.get(from);
+  const replies = chains.get(from);
   return replies ? replies : [];
 }

src/Element/TidalEmbed.tsx

@@ -1,4 +1,4 @@
-import { CSSProperties, useEffect, useState } from "react";
+import { useEffect, useState } from "react";
 import { TidalRegex } from "Const";
 
 // Re-use dom parser across instances of TidalEmbed

src/Element/Timeline.tsx

@@ -83,7 +83,7 @@ export default function Timeline({
       }
       case EventKind.Reaction:
       case EventKind.Repost: {
-        let eRef = e.tags.find((a) => a[0] === "e")?.at(1);
+        const eRef = e.tags.find((a) => a[0] === "e")?.at(1);
         return (
           <NoteReaction
             data={e}

src/Element/Zap.tsx

@@ -2,10 +2,10 @@ import "./Zap.css";
 import { useMemo } from "react";
 import { FormattedMessage } from "react-intl";
 import { useSelector } from "react-redux";
-// @ts-expect-error
+// @ts-expect-error No types available
 import { decode as invoiceDecode } from "light-bolt11-decoder";
 import { bytesToHex } from "@noble/hashes/utils";
-import { sha256 } from "Util";
+import { sha256, unwrap } from "Util";
 
 //import { sha256 } from "Util";
 import { formatShort } from "Number";
@@ -24,15 +24,19 @@ function findTag(e: TaggedRawEvent, tag: string) {
   return maybeTag && maybeTag[1];
 }
 
+interface Section {
+  name: string;
+}
+
 function getInvoice(zap: TaggedRawEvent) {
   const bolt11 = findTag(zap, "bolt11");
   const decoded = invoiceDecode(bolt11);
 
   const amount = decoded.sections.find(
-    (section: any) => section.name === "amount"
+    (section: Section) => section.name === "amount"
   )?.value;
   const hash = decoded.sections.find(
-    (section: any) => section.name === "description_hash"
+    (section: Section) => section.name === "description_hash"
   )?.value;
 
   return { amount, hash: hash ? bytesToHex(hash) : undefined };
@@ -72,7 +76,7 @@ export function parseZap(zap: TaggedRawEvent): ParsedZap {
   const { amount, hash } = getInvoice(zap);
   const zapper = hash ? getZapper(zap, hash) : { isValid: false };
   const e = findTag(zap, "e");
-  const p = findTag(zap, "p")!;
+  const p = unwrap(findTag(zap, "p"));
   return {
     id: zap.id,
     e,

src/Element/ZapButton.tsx

@@ -6,8 +6,8 @@ import { useUserProfile } from "Feed/ProfileFeed";
 import { HexKey } from "Nostr";
 import SendSats from "Element/SendSats";
 
-const ZapButton = ({ pubkey, svc }: { pubkey?: HexKey; svc?: string }) => {
+const ZapButton = ({ pubkey, svc }: { pubkey: HexKey; svc?: string }) => {
-  const profile = useUserProfile(pubkey!);
+  const profile = useUserProfile(pubkey);
   const [zap, setZap] = useState(false);
   const service = svc ?? (profile?.lud16 || profile?.lud06);
 
@@ -15,7 +15,7 @@ const ZapButton = ({ pubkey, svc }: { pubkey?: HexKey; svc?: string }) => {
 
   return (
     <>
-      <div className="zap-button" onClick={(e) => setZap(true)}>
+      <div className="zap-button" onClick={() => setZap(true)}>
         <FontAwesomeIcon icon={faBolt} />
       </div>
       <SendSats

src/Feed/EventPublisher.ts

@@ -1,12 +1,13 @@
 import { useSelector } from "react-redux";
 
+import { TaggedRawEvent } from "Nostr";
 import { System } from "Nostr/System";
 import { default as NEvent } from "Nostr/Event";
 import EventKind from "Nostr/EventKind";
 import Tag from "Nostr/Tag";
 import { RootState } from "State/Store";
 import { HexKey, RawEvent, u256, UserMetadata, Lists } from "Nostr";
-import { bech32ToHex } from "Util";
+import { bech32ToHex, unwrap } from "Util";
 import { DefaultRelays, HashtagRegex } from "Const";
 import { RelaySettings } from "Nostr/Connection";
 
@@ -40,9 +41,12 @@ export default function useEventPublisher() {
   async function signEvent(ev: NEvent): Promise<NEvent> {
     if (hasNip07 && !privKey) {
       ev.Id = await ev.CreateId();
-      let tmpEv = await barierNip07(() =>
+      const tmpEv = (await barrierNip07(() =>
         window.nostr.signEvent(ev.ToObject())
-      );
+      )) as TaggedRawEvent;
+      if (!tmpEv.relays) {
+        tmpEv.relays = [];
+      }
       return new NEvent(tmpEv);
     } else if (privKey) {
       await ev.Sign(privKey);
@@ -111,14 +115,14 @@ export default function useEventPublisher() {
      */
     broadcastForBootstrap: (ev: NEvent | undefined) => {
       if (ev) {
-        for (let [k, _] of DefaultRelays) {
+        for (const [k] of DefaultRelays) {
           System.WriteOnceToRelay(k, ev);
         }
       }
     },
     muted: async (keys: HexKey[], priv: HexKey[]) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.Lists;
         ev.Tags.push(new Tag(["d", Lists.Muted], ev.Tags.length));
         keys.forEach((p) => {
@@ -129,7 +133,7 @@ export default function useEventPublisher() {
           const ps = priv.map((p) => ["p", p]);
           const plaintext = JSON.stringify(ps);
           if (hasNip07 && !privKey) {
-            content = await barierNip07(() =>
+            content = await barrierNip07(() =>
               window.nostr.nip04.encrypt(pubKey, plaintext)
             );
           } else if (privKey) {
@@ -142,7 +146,7 @@ export default function useEventPublisher() {
     },
     metadata: async (obj: UserMetadata) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.SetMetadata;
         ev.Content = JSON.stringify(obj);
         return await signEvent(ev);
@@ -150,7 +154,7 @@ export default function useEventPublisher() {
     },
     note: async (msg: string) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.TextNote;
         processContent(ev, msg);
         return await signEvent(ev);
@@ -158,18 +162,14 @@ export default function useEventPublisher() {
     },
     zap: async (author: HexKey, note?: HexKey, msg?: string) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.ZapRequest;
         if (note) {
-          // @ts-ignore
+          ev.Tags.push(new Tag(["e", note], 0));
-          ev.Tags.push(new Tag(["e", note]));
         }
-        // @ts-ignore
+        ev.Tags.push(new Tag(["p", author], 0));
-        ev.Tags.push(new Tag(["p", author]));
-        // @ts-ignore
         const relayTag = ["relays", ...Object.keys(relays).slice(0, 10)];
-        // @ts-ignore
+        ev.Tags.push(new Tag(relayTag, 0));
-        ev.Tags.push(new Tag(relayTag));
         processContent(ev, msg || "");
         return await signEvent(ev);
       }
@@ -179,15 +179,20 @@ export default function useEventPublisher() {
      */
     reply: async (replyTo: NEvent, msg: string) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.TextNote;
 
-        let thread = replyTo.Thread;
+        const thread = replyTo.Thread;
         if (thread) {
           if (thread.Root || thread.ReplyTo) {
             ev.Tags.push(
               new Tag(
-                ["e", thread.Root?.Event ?? thread.ReplyTo?.Event!, "", "root"],
+                [
+                  "e",
+                  thread.Root?.Event ?? thread.ReplyTo?.Event ?? "",
+                  "",
+                  "root",
+                ],
                 ev.Tags.length
               )
             );
@@ -199,7 +204,7 @@ export default function useEventPublisher() {
             ev.Tags.push(new Tag(["p", replyTo.PubKey], ev.Tags.length));
           }
 
-          for (let pk of thread.PubKeys) {
+          for (const pk of thread.PubKeys) {
             if (pk === pubKey) {
               continue; // dont tag self in replies
             }
@@ -218,7 +223,7 @@ export default function useEventPublisher() {
     },
     react: async (evRef: NEvent, content = "+") => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.Reaction;
         ev.Content = content;
         ev.Tags.push(new Tag(["e", evRef.Id], 0));
@@ -228,10 +233,10 @@ export default function useEventPublisher() {
     },
     saveRelays: async () => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.ContactList;
         ev.Content = JSON.stringify(relays);
-        for (let pk of follows) {
+        for (const pk of follows) {
           ev.Tags.push(new Tag(["p", pk], ev.Tags.length));
         }
 
@@ -243,16 +248,16 @@ export default function useEventPublisher() {
       newRelays?: Record<string, RelaySettings>
     ) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.ContactList;
         ev.Content = JSON.stringify(newRelays ?? relays);
-        let temp = new Set(follows);
+        const temp = new Set(follows);
         if (Array.isArray(pkAdd)) {
           pkAdd.forEach((a) => temp.add(a));
         } else {
           temp.add(pkAdd);
         }
-        for (let pk of temp) {
+        for (const pk of temp) {
           if (pk.length !== 64) {
             continue;
           }
@@ -264,10 +269,10 @@ export default function useEventPublisher() {
     },
     removeFollow: async (pkRemove: HexKey) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.ContactList;
         ev.Content = JSON.stringify(relays);
-        for (let pk of follows) {
+        for (const pk of follows) {
           if (pk === pkRemove || pk.length !== 64) {
             continue;
           }
@@ -282,7 +287,7 @@ export default function useEventPublisher() {
      */
     delete: async (id: u256) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.Deletion;
         ev.Content = "";
         ev.Tags.push(new Tag(["e", id], 0));
@@ -290,11 +295,11 @@ export default function useEventPublisher() {
       }
     },
     /**
-     * Respot a note (NIP-18)
+     * Repost a note (NIP-18)
      */
     repost: async (note: NEvent) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.Repost;
         ev.Content = JSON.stringify(note.Original);
         ev.Tags.push(new Tag(["e", note.Id], 0));
@@ -311,12 +316,12 @@ export default function useEventPublisher() {
           return "<CANT DECRYPT>";
         }
         try {
-          let otherPubKey =
+          const otherPubKey =
             note.PubKey === pubKey
-              ? note.Tags.filter((a) => a.Key === "p")[0].PubKey!
+              ? unwrap(note.Tags.filter((a) => a.Key === "p")[0].PubKey)
               : note.PubKey;
           if (hasNip07 && !privKey) {
-            return await barierNip07(() =>
+            return await barrierNip07(() =>
               window.nostr.nip04.decrypt(otherPubKey, note.Content)
             );
           } else if (privKey) {
@@ -324,21 +329,21 @@ export default function useEventPublisher() {
             return note.Content;
           }
         } catch (e) {
-          console.error("Decyrption failed", e);
+          console.error("Decryption failed", e);
           return "<DECRYPTION FAILED>";
         }
       }
     },
     sendDm: async (content: string, to: HexKey) => {
       if (pubKey) {
-        let ev = NEvent.ForPubKey(pubKey);
+        const ev = NEvent.ForPubKey(pubKey);
         ev.Kind = EventKind.DirectMessage;
         ev.Content = content;
         ev.Tags.push(new Tag(["p", to], 0));
 
         try {
           if (hasNip07 && !privKey) {
-            let cx: string = await barierNip07(() =>
+            const cx: string = await barrierNip07(() =>
               window.nostr.nip04.encrypt(to, content)
             );
             ev.Content = cx;
@@ -358,12 +363,12 @@ export default function useEventPublisher() {
 let isNip07Busy = false;
 
 const delay = (t: number) => {
-  return new Promise((resolve, reject) => {
+  return new Promise((resolve) => {
     setTimeout(resolve, t);
   });
 };
 
-export const barierNip07 = async (then: () => Promise<any>) => {
+export const barrierNip07 = async <T>(then: () => Promise<T>): Promise<T> => {
   while (isNip07Busy) {
     await delay(10);
   }

src/Feed/FollowersFeed.ts

@@ -6,7 +6,7 @@ import useSubscription from "Feed/Subscription";
 
 export default function useFollowersFeed(pubkey: HexKey) {
   const sub = useMemo(() => {
-    let x = new Subscriptions();
+    const x = new Subscriptions();
     x.Id = `followers:${pubkey.slice(0, 12)}`;
     x.Kinds = new Set([EventKind.ContactList]);
     x.PTags = new Set([pubkey]);

src/Feed/FollowsFeed.ts

@@ -6,7 +6,7 @@ import useSubscription, { NoteStore } from "Feed/Subscription";
 
 export default function useFollowsFeed(pubkey: HexKey) {
   const sub = useMemo(() => {
-    let x = new Subscriptions();
+    const x = new Subscriptions();
     x.Id = `follows:${pubkey.slice(0, 12)}`;
     x.Kinds = new Set([EventKind.ContactList]);
     x.Authors = new Set([pubkey]);
@@ -18,10 +18,10 @@ export default function useFollowsFeed(pubkey: HexKey) {
 }
 
 export function getFollowers(feed: NoteStore, pubkey: HexKey) {
-  let contactLists = feed?.notes.filter(
+  const contactLists = feed?.notes.filter(
     (a) => a.kind === EventKind.ContactList && a.pubkey === pubkey
   );
-  let pTags = contactLists?.map((a) =>
+  const pTags = contactLists?.map((a) =>
     a.tags.filter((b) => b[0] === "p").map((c) => c[1])
   );
   return [...new Set(pTags?.flat())];

src/Feed/ImgProxy.ts

@@ -2,6 +2,7 @@ import * as secp from "@noble/secp256k1";
 import * as base64 from "@protobufjs/base64";
 import { useSelector } from "react-redux";
 import { RootState } from "State/Store";
+import { unwrap } from "Util";
 
 export interface ImgProxySettings {
   url: string;
@@ -21,8 +22,8 @@ export default function useImgProxy() {
 
   async function signUrl(u: string) {
     const result = await secp.utils.hmacSha256(
-      secp.utils.hexToBytes(settings!.key),
+      secp.utils.hexToBytes(unwrap(settings).key),
-      secp.utils.hexToBytes(settings!.salt),
+      secp.utils.hexToBytes(unwrap(settings).salt),
       te.encode(u)
     );
     return urlSafe(base64.encode(result, 0, result.byteLength));

src/Feed/LoginFeed.ts

@@ -19,9 +19,10 @@ import { RootState } from "State/Store";
 import { mapEventToProfile, MetadataCache } from "State/Users";
 import { useDb } from "State/Users/Db";
 import useSubscription from "Feed/Subscription";
-import { barierNip07 } from "Feed/EventPublisher";
+import { barrierNip07 } from "Feed/EventPublisher";
 import { getMutedKeys, getNewest } from "Feed/MuteList";
 import useModeration from "Hooks/useModeration";
+import { unwrap } from "Util";
 
 /**
  * Managed loading data for the current logged in user
@@ -40,7 +41,7 @@ export default function useLoginFeed() {
   const subMetadata = useMemo(() => {
     if (!pubKey) return null;
 
-    let sub = new Subscriptions();
+    const sub = new Subscriptions();
     sub.Id = `login:meta`;
     sub.Authors = new Set([pubKey]);
     sub.Kinds = new Set([EventKind.ContactList, EventKind.SetMetadata]);
@@ -52,7 +53,7 @@ export default function useLoginFeed() {
   const subNotification = useMemo(() => {
     if (!pubKey) return null;
 
-    let sub = new Subscriptions();
+    const sub = new Subscriptions();
     sub.Id = "login:notifications";
     // todo: add zaps
     sub.Kinds = new Set([EventKind.TextNote]);
@@ -64,7 +65,7 @@ export default function useLoginFeed() {
   const subMuted = useMemo(() => {
     if (!pubKey) return null;
 
-    let sub = new Subscriptions();
+    const sub = new Subscriptions();
     sub.Id = "login:muted";
     sub.Kinds = new Set([EventKind.Lists]);
     sub.Authors = new Set([pubKey]);
@@ -77,12 +78,12 @@ export default function useLoginFeed() {
   const subDms = useMemo(() => {
     if (!pubKey) return null;
 
-    let dms = new Subscriptions();
+    const dms = new Subscriptions();
     dms.Id = "login:dms";
     dms.Kinds = new Set([EventKind.DirectMessage]);
     dms.PTags = new Set([pubKey]);
 
-    let dmsFromME = new Subscriptions();
+    const dmsFromME = new Subscriptions();
     dmsFromME.Authors = new Set([pubKey]);
     dmsFromME.Kinds = new Set([EventKind.DirectMessage]);
     dms.AddSubscription(dmsFromME);
@@ -102,28 +103,28 @@ export default function useLoginFeed() {
   const mutedFeed = useSubscription(subMuted, { leaveOpen: true, cache: true });
 
   useEffect(() => {
-    let contactList = metadataFeed.store.notes.filter(
+    const contactList = metadataFeed.store.notes.filter(
       (a) => a.kind === EventKind.ContactList
     );
-    let metadata = metadataFeed.store.notes.filter(
+    const metadata = metadataFeed.store.notes.filter(
       (a) => a.kind === EventKind.SetMetadata
     );
-    let profiles = metadata
+    const profiles = metadata
       .map((a) => mapEventToProfile(a))
       .filter((a) => a !== undefined)
-      .map((a) => a!);
+      .map((a) => unwrap(a));
 
-    for (let cl of contactList) {
+    for (const cl of contactList) {
       if (cl.content !== "" && cl.content !== "{}") {
-        let relays = JSON.parse(cl.content);
+        const relays = JSON.parse(cl.content);
         dispatch(setRelays({ relays, createdAt: cl.created_at }));
       }
-      let pTags = cl.tags.filter((a) => a[0] === "p").map((a) => a[1]);
+      const pTags = cl.tags.filter((a) => a[0] === "p").map((a) => a[1]);
       dispatch(setFollows({ keys: pTags, createdAt: cl.created_at }));
     }
 
     (async () => {
-      let maxProfile = profiles.reduce(
+      const maxProfile = profiles.reduce(
         (acc, v) => {
           if (v.created > acc.created) {
             acc.profile = v;
@@ -134,7 +135,7 @@ export default function useLoginFeed() {
         { created: 0, profile: null as MetadataCache | null }
       );
       if (maxProfile.profile) {
-        let existing = await db.find(maxProfile.profile.pubkey);
+        const existing = await db.find(maxProfile.profile.pubkey);
         if ((existing?.created ?? 0) < maxProfile.created) {
           await db.put(maxProfile.profile);
         }
@@ -153,7 +154,7 @@ export default function useLoginFeed() {
       dispatch(setLatestNotifications(nx.created_at));
       makeNotification(db, nx).then((notification) => {
         if (notification) {
-          // @ts-ignore
+          // @ts-expect-error This is typed wrong, but I don't have the time to fix it right now
           dispatch(sendNotification(notification));
         }
       });
@@ -176,8 +177,8 @@ export default function useLoginFeed() {
           try {
             const blocked = JSON.parse(plaintext);
             const keys = blocked
-              .filter((p: any) => p && p.length === 2 && p[0] === "p")
+              .filter((p: string) => p && p.length === 2 && p[0] === "p")
-              .map((p: any) => p[1]);
+              .map((p: string) => p[1]);
             dispatch(
               setBlocked({
                 keys,
@@ -193,7 +194,7 @@ export default function useLoginFeed() {
   }, [dispatch, mutedFeed.store]);
 
   useEffect(() => {
-    let dms = dmsFeed.store.notes.filter(
+    const dms = dmsFeed.store.notes.filter(
       (a) => a.kind === EventKind.DirectMessage
     );
     dispatch(addDirectMessage(dms));
@@ -209,7 +210,7 @@ async function decryptBlocked(
   if (pubKey && privKey) {
     return await ev.DecryptData(raw.content, privKey, pubKey);
   } else {
-    return await barierNip07(() =>
+    return await barrierNip07(() =>
       window.nostr.nip04.decrypt(pubKey, raw.content)
     );
   }

src/Feed/MuteList.ts

@@ -7,7 +7,7 @@ import useSubscription, { NoteStore } from "Feed/Subscription";
 
 export default function useMutedFeed(pubkey: HexKey) {
   const sub = useMemo(() => {
-    let sub = new Subscriptions();
+    const sub = new Subscriptions();
     sub.Id = `muted:${pubkey.slice(0, 12)}`;
     sub.Kinds = new Set([EventKind.Lists]);
     sub.Authors = new Set([pubkey]);
@@ -44,7 +44,7 @@ export function getMutedKeys(rawNotes: TaggedRawEvent[]): {
 }
 
 export function getMuted(feed: NoteStore, pubkey: HexKey): HexKey[] {
-  let lists = feed?.notes.filter(
+  const lists = feed?.notes.filter(
     (a) => a.kind === EventKind.Lists && a.pubkey === pubkey
   );
   return getMutedKeys(lists).keys;

src/Feed/RelayState.ts

@@ -1,16 +1,16 @@
 import { useSyncExternalStore } from "react";
 import { System } from "Nostr/System";
-import { CustomHook, StateSnapshot } from "Nostr/Connection";
+import { StateSnapshot } from "Nostr/Connection";
 
-const noop = (f: CustomHook) => {
+const noop = () => {
-  return () => {};
+  return () => undefined;
 };
 const noopState = (): StateSnapshot | undefined => {
   return undefined;
 };
 
 export default function useRelayState(addr: string) {
-  let c = System.Sockets.get(addr);
+  const c = System.Sockets.get(addr);
   return useSyncExternalStore<StateSnapshot | undefined>(
     c?.StatusHook.bind(c) ?? noop,
     c?.GetState.bind(c) ?? noopState

src/Feed/Subscription.ts

@@ -2,7 +2,7 @@ import { useEffect, useMemo, useReducer, useState } from "react";
 import { System } from "Nostr/System";
 import { TaggedRawEvent } from "Nostr";
 import { Subscriptions } from "Nostr/Subscriptions";
-import { debounce } from "Util";
+import { debounce, unwrap } from "Util";
 import { db } from "Db";
 
 export type NoteStore = {
@@ -17,7 +17,7 @@ export type UseSubscriptionOptions = {
 
 interface ReducerArg {
   type: "END" | "EVENT" | "CLEAR";
-  ev?: TaggedRawEvent | Array<TaggedRawEvent>;
+  ev?: TaggedRawEvent | TaggedRawEvent[];
   end?: boolean;
 }
 
@@ -25,7 +25,7 @@ function notesReducer(state: NoteStore, arg: ReducerArg) {
   if (arg.type === "END") {
     return {
       notes: state.notes,
-      end: arg.end!,
+      end: arg.end ?? false,
     } as NoteStore;
   }
 
@@ -36,11 +36,11 @@ function notesReducer(state: NoteStore, arg: ReducerArg) {
     } as NoteStore;
   }
 
-  let evs = arg.ev!;
+  let evs = arg.ev;
-  if (!Array.isArray(evs)) {
+  if (!(evs instanceof Array)) {
-    evs = [evs];
+    evs = evs === undefined ? [] : [evs];
   }
-  let existingIds = new Set(state.notes.map((a) => a.id));
+  const existingIds = new Set(state.notes.map((a) => a.id));
   evs = evs.filter((a) => !existingIds.has(a.id));
   if (evs.length === 0) {
     return state;
@@ -175,7 +175,7 @@ const PreloadNotes = async (id: string): Promise<TaggedRawEvent[]> => {
   const feed = await db.feeds.get(id);
   if (feed) {
     const events = await db.events.bulkGet(feed.ids);
-    return events.filter((a) => a !== undefined).map((a) => a!);
+    return events.filter((a) => a !== undefined).map((a) => unwrap(a));
   }
   return [];
 };

src/Feed/ThreadFeed.ts

@@ -16,9 +16,9 @@ export default function useThreadFeed(id: u256) {
 
   function addId(id: u256[]) {
     setTrackingEvent((s) => {
-      let orig = new Set(s);
+      const orig = new Set(s);
       if (id.some((a) => !orig.has(a))) {
-        let tmp = new Set([...s, ...id]);
+        const tmp = new Set([...s, ...id]);
         return Array.from(tmp);
       } else {
         return s;
@@ -55,16 +55,16 @@ export default function useThreadFeed(id: u256) {
   useEffect(() => {
     if (main.store) {
       return debounce(200, () => {
-        let mainNotes = main.store.notes.filter(
+        const mainNotes = main.store.notes.filter(
           (a) => a.kind === EventKind.TextNote
         );
 
-        let eTags = mainNotes
+        const eTags = mainNotes
           .filter((a) => a.kind === EventKind.TextNote)
           .map((a) => a.tags.filter((b) => b[0] === "e").map((b) => b[1]))
           .flat();
-        let ids = mainNotes.map((a) => a.id);
+        const ids = mainNotes.map((a) => a.id);
-        let allEvents = new Set([...eTags, ...ids]);
+        const allEvents = new Set([...eTags, ...ids]);
         addId(Array.from(allEvents));
       });
     }

src/Feed/TimelineFeed.ts

@@ -2,7 +2,7 @@ import { useCallback, useEffect, useMemo, useState } from "react";
 import { u256 } from "Nostr";
 import EventKind from "Nostr/EventKind";
 import { Subscriptions } from "Nostr/Subscriptions";
-import { unixNow } from "Util";
+import { unixNow, unwrap } from "Util";
 import useSubscription from "Feed/Subscription";
 import { useSelector } from "react-redux";
 import { RootState } from "State/Store";
@@ -38,7 +38,7 @@ export default function useTimelineFeed(
       return null;
     }
 
-    let sub = new Subscriptions();
+    const sub = new Subscriptions();
     sub.Id = `timeline:${subject.type}:${subject.discriminator}`;
     sub.Kinds = new Set([EventKind.TextNote, EventKind.Repost]);
     switch (subject.type) {
@@ -64,7 +64,7 @@ export default function useTimelineFeed(
   }, [subject.type, subject.items, subject.discriminator]);
 
   const sub = useMemo(() => {
-    let sub = createSub();
+    const sub = createSub();
     if (sub) {
       if (options.method === "LIMIT_UNTIL") {
         sub.Until = until;
@@ -80,7 +80,7 @@ export default function useTimelineFeed(
       if (pref.autoShowLatest) {
         // copy properties of main sub but with limit 0
         // this will put latest directly into main feed
-        let latestSub = new Subscriptions();
+        const latestSub = new Subscriptions();
         latestSub.Authors = sub.Authors;
         latestSub.HashTags = sub.HashTags;
         latestSub.PTags = sub.PTags;
@@ -97,7 +97,7 @@ export default function useTimelineFeed(
   const main = useSubscription(sub, { leaveOpen: true, cache: true });
 
   const subRealtime = useMemo(() => {
-    let subLatest = createSub();
+    const subLatest = createSub();
     if (subLatest && !pref.autoShowLatest) {
       subLatest.Id = `${subLatest.Id}:latest`;
       subLatest.Limit = 1;
@@ -131,7 +131,7 @@ export default function useTimelineFeed(
 
   const subParents = useMemo(() => {
     if (trackingParentEvents.length > 0) {
-      let parents = new Subscriptions();
+      const parents = new Subscriptions();
       parents.Id = `timeline-parent:${subject.type}`;
       parents.Ids = new Set(trackingParentEvents);
       return parents;
@@ -144,21 +144,21 @@ export default function useTimelineFeed(
   useEffect(() => {
     if (main.store.notes.length > 0) {
       setTrackingEvent((s) => {
-        let ids = main.store.notes.map((a) => a.id);
+        const ids = main.store.notes.map((a) => a.id);
         if (ids.some((a) => !s.includes(a))) {
           return Array.from(new Set([...s, ...ids]));
         }
         return s;
       });
-      let reposts = main.store.notes
+      const reposts = main.store.notes
         .filter((a) => a.kind === EventKind.Repost && a.content === "")
         .map((a) => a.tags.find((b) => b[0] === "e"))
         .filter((a) => a)
-        .map((a) => a![1]);
+        .map((a) => unwrap(a)[1]);
       if (reposts.length > 0) {
         setTrackingParentEvents((s) => {
           if (reposts.some((a) => !s.includes(a))) {
-            let temp = new Set([...s, ...reposts]);
+            const temp = new Set([...s, ...reposts]);
             return Array.from(temp);
           }
           return s;
@@ -175,7 +175,7 @@ export default function useTimelineFeed(
     loadMore: () => {
       console.debug("Timeline load more!");
       if (options.method === "LIMIT_UNTIL") {
-        let oldest = main.store.notes.reduce(
+        const oldest = main.store.notes.reduce(
           (acc, v) => (acc = v.created_at < acc ? v.created_at : acc),
           unixNow()
         );

src/Feed/ZapsFeed.ts

@@ -6,7 +6,7 @@ import useSubscription from "./Subscription";
 
 export default function useZapsFeed(pubkey: HexKey) {
   const sub = useMemo(() => {
-    let x = new Subscriptions();
+    const x = new Subscriptions();
     x.Id = `zaps:${pubkey.slice(0, 12)}`;
     x.Kinds = new Set([EventKind.ZapReceipt]);
     x.PTags = new Set([pubkey]);

src/Hooks/useHorizontalScroll.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useRef, WheelEvent, LegacyRef } from "react";
+import { useEffect, useRef, LegacyRef } from "react";
 
 function useHorizontalScroll() {
   const elRef = useRef<HTMLDivElement>();
@@ -10,9 +10,7 @@ function useHorizontalScroll() {
         ev.preventDefault();
         el.scrollTo({ left: el.scrollLeft + ev.deltaY, behavior: "smooth" });
       };
-      // @ts-ignore
       el.addEventListener("wheel", onWheel);
-      // @ts-ignore
       return () => el.removeEventListener("wheel", onWheel);
     }
   }, []);

src/Hooks/useWebln.ts

@@ -5,7 +5,7 @@ declare global {
     webln?: {
       enabled: boolean;
       enable: () => Promise<void>;
-      sendPayment: (pr: string) => Promise<any>;
+      sendPayment: (pr: string) => Promise<unknown>;
     };
   }
 }
@@ -15,7 +15,7 @@ export default function useWebln(enable = true) {
 
   useEffect(() => {
     if (maybeWebLn && !maybeWebLn.enabled && enable) {
-      maybeWebLn.enable().catch((error) => {
+      maybeWebLn.enable().catch(() => {
         console.debug("Couldn't enable WebLN");
       });
     }

src/Icons/Attachment.tsx

@@ -1,6 +1,4 @@
-import IconProps from "./IconProps";
+const Attachment = () => {
-
-const Attachment = (props: IconProps) => {
   return (
     <svg
       width="21"

src/Icons/Logout.tsx

@@ -1,6 +1,4 @@
-import IconProps from "./IconProps";
+const Logout = () => {
-
-const Logout = (props: IconProps) => {
   return (
     <svg
       width="22"

src/Icons/Reply.tsx

@@ -1,5 +1,3 @@
-import IconProps from "./IconProps";
-
 const Reply = () => {
   return (
     <svg

src/Nip05/ServiceProvider.ts

@@ -107,11 +107,11 @@ export class ServiceProvider {
   async _GetJson<T>(
     path: string,
     method?: "GET" | string,
-    body?: any,
+    body?: { [key: string]: string },
-    headers?: any
+    headers?: { [key: string]: string }
   ): Promise<T | ServiceError> {
     try {
-      let rsp = await fetch(`${this.url}${path}`, {
+      const rsp = await fetch(`${this.url}${path}`, {
         method: method,
         body: body ? JSON.stringify(body) : undefined,
         headers: {
@@ -121,7 +121,7 @@ export class ServiceProvider {
         },
       });
 
-      let obj = await rsp.json();
+      const obj = await rsp.json();
       if ("error" in obj) {
         return <ServiceError>obj;
       }

src/Nostr/Connection.ts

@@ -9,6 +9,7 @@ import { RawEvent, TaggedRawEvent, u256 } from "Nostr";
 import { RelayInfo } from "./RelayInfo";
 import Nips from "./Nips";
 import { System } from "./System";
+import { unwrap } from "Util";
 
 export type CustomHook = (state: Readonly<StateSnapshot>) => void;
 
@@ -51,7 +52,7 @@ export default class Connection {
   LastState: Readonly<StateSnapshot>;
   IsClosed: boolean;
   ReconnectTimer: ReturnType<typeof setTimeout> | null;
-  EventsCallback: Map<u256, (msg?: any) => void>;
+  EventsCallback: Map<u256, (msg: boolean[]) => void>;
   AwaitingAuth: Map<string, boolean>;
   Authed: boolean;
 
@@ -87,15 +88,15 @@ export default class Connection {
   async Connect() {
     try {
       if (this.Info === undefined) {
-        let u = new URL(this.Address);
+        const u = new URL(this.Address);
-        let rsp = await fetch(`https://${u.host}`, {
+        const rsp = await fetch(`https://${u.host}`, {
           headers: {
             accept: "application/nostr+json",
           },
         });
         if (rsp.ok) {
-          let data = await rsp.json();
+          const data = await rsp.json();
-          for (let [k, v] of Object.entries(data)) {
+          for (const [k, v] of Object.entries(data)) {
             if (v === "unset" || v === "") {
               data[k] = undefined;
             }
@@ -114,7 +115,7 @@ export default class Connection {
 
     this.IsClosed = false;
     this.Socket = new WebSocket(this.Address);
-    this.Socket.onopen = (e) => this.OnOpen(e);
+    this.Socket.onopen = () => this.OnOpen();
     this.Socket.onmessage = (e) => this.OnMessage(e);
     this.Socket.onerror = (e) => this.OnError(e);
     this.Socket.onclose = (e) => this.OnClose(e);
@@ -130,7 +131,7 @@ export default class Connection {
     this._UpdateState();
   }
 
-  OnOpen(e: Event) {
+  OnOpen() {
     this.ConnectTimeout = DefaultConnectTimeout;
     this._InitSubscriptions();
     console.log(`[${this.Address}] Open!`);
@@ -157,10 +158,10 @@ export default class Connection {
     this._UpdateState();
   }
 
-  OnMessage(e: MessageEvent<any>) {
+  OnMessage(e: MessageEvent) {
     if (e.data.length > 0) {
-      let msg = JSON.parse(e.data);
+      const msg = JSON.parse(e.data);
-      let tag = msg[0];
+      const tag = msg[0];
       switch (tag) {
         case "AUTH": {
           this._OnAuthAsync(msg[1]);
@@ -183,7 +184,7 @@ export default class Connection {
           console.debug("OK: ", msg);
           const id = msg[1];
           if (this.EventsCallback.has(id)) {
-            let cb = this.EventsCallback.get(id)!;
+            const cb = unwrap(this.EventsCallback.get(id));
             this.EventsCallback.delete(id);
             cb(msg);
           }
@@ -213,7 +214,7 @@ export default class Connection {
     if (!this.Settings.write) {
       return;
     }
-    let req = ["EVENT", e.ToObject()];
+    const req = ["EVENT", e.ToObject()];
     this._SendJson(req);
     this.Stats.EventsSent++;
     this._UpdateState();
@@ -222,13 +223,13 @@ export default class Connection {
   /**
    * Send event on this connection and wait for OK response
    */
-  async SendAsync(e: NEvent, timeout: number = 5000) {
+  async SendAsync(e: NEvent, timeout = 5000) {
-    return new Promise<void>((resolve, reject) => {
+    return new Promise<void>((resolve) => {
       if (!this.Settings.write) {
         resolve();
         return;
       }
-      let t = setTimeout(() => {
+      const t = setTimeout(() => {
         resolve();
       }, timeout);
       this.EventsCallback.set(e.Id, () => {
@@ -236,7 +237,7 @@ export default class Connection {
         resolve();
       });
 
-      let req = ["EVENT", e.ToObject()];
+      const req = ["EVENT", e.ToObject()];
       this._SendJson(req);
       this.Stats.EventsSent++;
       this._UpdateState();
@@ -269,7 +270,7 @@ export default class Connection {
    */
   RemoveSubscription(subId: string) {
     if (this.Subscriptions.has(subId)) {
-      let req = ["CLOSE", subId];
+      const req = ["CLOSE", subId];
       this._SendJson(req);
       this.Subscriptions.delete(subId);
       return true;
@@ -281,7 +282,7 @@ export default class Connection {
    * Hook status for connection
    */
   StatusHook(fnHook: CustomHook) {
-    let id = uuid();
+    const id = uuid();
     this.StateHooks.set(id, fnHook);
     return () => {
       this.StateHooks.delete(id);
@@ -324,20 +325,20 @@ export default class Connection {
   }
 
   _NotifyState() {
-    let state = this.GetState();
+    const state = this.GetState();
-    for (let [_, h] of this.StateHooks) {
+    for (const [, h] of this.StateHooks) {
       h(state);
     }
   }
 
   _InitSubscriptions() {
     // send pending
-    for (let p of this.Pending) {
+    for (const p of this.Pending) {
       this._SendJson(p);
     }
     this.Pending = [];
 
-    for (let [_, s] of this.Subscriptions) {
+    for (const [, s] of this.Subscriptions) {
       this._SendSubscription(s);
     }
     this._UpdateState();
@@ -357,19 +358,20 @@ export default class Connection {
     this._SendJson(req);
   }
 
-  _SendJson(obj: any) {
+  _SendJson(obj: Subscriptions | object) {
     if (this.Socket?.readyState !== WebSocket.OPEN) {
+      // @ts-expect-error TODO @v0l please figure this out... what the hell is going on
       this.Pending.push(obj);
       return;
     }
-    let json = JSON.stringify(obj);
+    const json = JSON.stringify(obj);
     this.Socket.send(json);
   }
 
   _OnEvent(subId: string, ev: RawEvent) {
     if (this.Subscriptions.has(subId)) {
       //this._VerifySig(ev);
-      let tagged: TaggedRawEvent = {
+      const tagged: TaggedRawEvent = {
         ...ev,
         relays: [this.Address],
       };
@@ -386,18 +388,18 @@ export default class Connection {
     };
     this.AwaitingAuth.set(challenge, true);
     const authEvent = await System.nip42Auth(challenge, this.Address);
-    return new Promise((resolve, _) => {
+    return new Promise((resolve) => {
       if (!authEvent) {
         authCleanup();
         return Promise.reject("no event");
       }
 
-      let t = setTimeout(() => {
+      const t = setTimeout(() => {
         authCleanup();
         resolve();
       }, 10_000);
 
-      this.EventsCallback.set(authEvent.Id, (msg: any[]) => {
+      this.EventsCallback.set(authEvent.Id, (msg: boolean[]) => {
         clearTimeout(t);
         authCleanup();
         if (msg.length > 3 && msg[2] === true) {
@@ -407,7 +409,7 @@ export default class Connection {
         resolve();
       });
 
-      let req = ["AUTH", authEvent.ToObject()];
+      const req = ["AUTH", authEvent.ToObject()];
       this._SendJson(req);
       this.Stats.EventsSent++;
       this._UpdateState();
@@ -415,13 +417,13 @@ export default class Connection {
   }
 
   _OnEnd(subId: string) {
-    let sub = this.Subscriptions.get(subId);
+    const sub = this.Subscriptions.get(subId);
     if (sub) {
-      let now = new Date().getTime();
+      const now = new Date().getTime();
-      let started = sub.Started.get(this.Address);
+      const started = sub.Started.get(this.Address);
       sub.Finished.set(this.Address, now);
       if (started) {
-        let responseTime = now - started;
+        const responseTime = now - started;
         if (responseTime > 10_000) {
           console.warn(
             `[${this.Address}][${subId}] Slow response time ${(
@@ -441,14 +443,14 @@ export default class Connection {
   }
 
   _VerifySig(ev: RawEvent) {
-    let payload = [0, ev.pubkey, ev.created_at, ev.kind, ev.tags, ev.content];
+    const payload = [0, ev.pubkey, ev.created_at, ev.kind, ev.tags, ev.content];
 
-    let payloadData = new TextEncoder().encode(JSON.stringify(payload));
+    const payloadData = new TextEncoder().encode(JSON.stringify(payload));
     if (secp.utils.sha256Sync === undefined) {
       throw "Cannot verify event, no sync sha256 method";
     }
-    let data = secp.utils.sha256Sync(payloadData);
+    const data = secp.utils.sha256Sync(payloadData);
-    let hash = secp.utils.bytesToHex(data);
+    const hash = secp.utils.bytesToHex(data);
     if (!secp.schnorr.verifySync(ev.sig, hash, ev.pubkey)) {
       throw "Sig verify failed";
     }

src/Nostr/Event.ts

@@ -67,7 +67,7 @@ export default class Event {
    * Get the pub key of the creator of this event NIP-26
    */
   get RootPubKey() {
-    let delegation = this.Tags.find((a) => a.Key === "delegation");
+    const delegation = this.Tags.find((a) => a.Key === "delegation");
     if (delegation?.PubKey) {
       return delegation.PubKey;
     }
@@ -80,7 +80,7 @@ export default class Event {
   async Sign(key: HexKey) {
     this.Id = await this.CreateId();
 
-    let sig = await secp.schnorr.sign(this.Id, key);
+    const sig = await secp.schnorr.sign(this.Id, key);
     this.Signature = secp.utils.bytesToHex(sig);
     if (!(await this.Verify())) {
       throw "Signing failed";
@@ -92,13 +92,13 @@ export default class Event {
    * @returns True if valid signature
    */
   async Verify() {
-    let id = await this.CreateId();
+    const id = await this.CreateId();
-    let result = await secp.schnorr.verify(this.Signature, id, this.PubKey);
+    const result = await secp.schnorr.verify(this.Signature, id, this.PubKey);
     return result;
   }
 
   async CreateId() {
-    let payload = [
+    const payload = [
       0,
       this.PubKey,
       this.CreatedAt,
@@ -107,9 +107,9 @@ export default class Event {
       this.Content,
     ];
 
-    let payloadData = new TextEncoder().encode(JSON.stringify(payload));
+    const payloadData = new TextEncoder().encode(JSON.stringify(payload));
-    let data = await secp.utils.sha256(payloadData);
+    const data = await secp.utils.sha256(payloadData);
-    let hash = secp.utils.bytesToHex(data);
+    const hash = secp.utils.bytesToHex(data);
     if (this.Id !== "" && hash !== this.Id) {
       console.debug(payload);
       throw "ID doesnt match!";
@@ -135,7 +135,7 @@ export default class Event {
    * Create a new event for a specific pubkey
    */
   static ForPubKey(pubKey: HexKey) {
-    let ev = new Event();
+    const ev = new Event();
     ev.PubKey = pubKey;
     return ev;
   }
@@ -144,10 +144,10 @@ export default class Event {
    * Encrypt the given message content
    */
   async EncryptData(content: string, pubkey: HexKey, privkey: HexKey) {
-    let key = await this._GetDmSharedKey(pubkey, privkey);
+    const key = await this._GetDmSharedKey(pubkey, privkey);
-    let iv = window.crypto.getRandomValues(new Uint8Array(16));
+    const iv = window.crypto.getRandomValues(new Uint8Array(16));
-    let data = new TextEncoder().encode(content);
+    const data = new TextEncoder().encode(content);
-    let result = await window.crypto.subtle.encrypt(
+    const result = await window.crypto.subtle.encrypt(
       {
         name: "AES-CBC",
         iv: iv,
@@ -155,7 +155,7 @@ export default class Event {
       key,
       data
     );
-    let uData = new Uint8Array(result);
+    const uData = new Uint8Array(result);
     return `${base64.encode(uData, 0, result.byteLength)}?iv=${base64.encode(
       iv,
       0,
@@ -174,15 +174,15 @@ export default class Event {
    * Decrypt the content of the message
    */
   async DecryptData(cyphertext: string, privkey: HexKey, pubkey: HexKey) {
-    let key = await this._GetDmSharedKey(pubkey, privkey);
+    const key = await this._GetDmSharedKey(pubkey, privkey);
-    let cSplit = cyphertext.split("?iv=");
+    const cSplit = cyphertext.split("?iv=");
-    let data = new Uint8Array(base64.length(cSplit[0]));
+    const data = new Uint8Array(base64.length(cSplit[0]));
     base64.decode(cSplit[0], data, 0);
 
-    let iv = new Uint8Array(base64.length(cSplit[1]));
+    const iv = new Uint8Array(base64.length(cSplit[1]));
     base64.decode(cSplit[1], iv, 0);
 
-    let result = await window.crypto.subtle.decrypt(
+    const result = await window.crypto.subtle.decrypt(
       {
         name: "AES-CBC",
         iv: iv,
@@ -201,8 +201,8 @@ export default class Event {
   }
 
   async _GetDmSharedKey(pubkey: HexKey, privkey: HexKey) {
-    let sharedPoint = secp.getSharedSecret(privkey, "02" + pubkey);
+    const sharedPoint = secp.getSharedSecret(privkey, "02" + pubkey);
-    let sharedX = sharedPoint.slice(1, 33);
+    const sharedX = sharedPoint.slice(1, 33);
     return await window.crypto.subtle.importKey(
       "raw",
       sharedX,

src/Nostr/Subscriptions.ts

@@ -104,10 +104,10 @@ export class Subscriptions {
     this.Since = sub?.since ?? undefined;
     this.Until = sub?.until ?? undefined;
     this.Limit = sub?.limit ?? undefined;
-    this.OnEvent = (e) => {
+    this.OnEvent = () => {
       console.warn(`No event handler was set on subscription: ${this.Id}`);
     };
-    this.OnEnd = (c) => {};
+    this.OnEnd = () => undefined;
     this.OrSubs = [];
     this.Started = new Map<string, number>();
     this.Finished = new Map<string, number>();
@@ -128,7 +128,7 @@ export class Subscriptions {
   }
 
   ToObject(): RawReqFilter {
-    let ret: RawReqFilter = {};
+    const ret: RawReqFilter = {};
     if (this.Ids) {
       ret.ids = Array.from(this.Ids);
     }

src/Nostr/System.ts

@@ -5,9 +5,10 @@ import Connection, { RelaySettings } from "Nostr/Connection";
 import Event from "Nostr/Event";
 import EventKind from "Nostr/EventKind";
 import { Subscriptions } from "Nostr/Subscriptions";
+import { unwrap } from "Util";
 
 /**
- * Manages nostr content retrival system
+ * Manages nostr content retrieval system
  */
 export class NostrSystem {
   /**
@@ -49,14 +50,14 @@ export class NostrSystem {
   ConnectToRelay(address: string, options: RelaySettings) {
     try {
       if (!this.Sockets.has(address)) {
-        let c = new Connection(address, options);
+        const c = new Connection(address, options);
         this.Sockets.set(address, c);
-        for (let [_, s] of this.Subscriptions) {
+        for (const [, s] of this.Subscriptions) {
           c.AddSubscription(s);
         }
       } else {
         // update settings if already connected
-        this.Sockets.get(address)!.Settings = options;
+        unwrap(this.Sockets.get(address)).Settings = options;
       }
     } catch (e) {
       console.error(e);
@@ -67,7 +68,7 @@ export class NostrSystem {
    * Disconnect from a relay
    */
   DisconnectRelay(address: string) {
-    let c = this.Sockets.get(address);
+    const c = this.Sockets.get(address);
     if (c) {
       this.Sockets.delete(address);
       c.Close();
@@ -75,14 +76,14 @@ export class NostrSystem {
   }
 
   AddSubscription(sub: Subscriptions) {
-    for (let [a, s] of this.Sockets) {
+    for (const [, s] of this.Sockets) {
       s.AddSubscription(sub);
     }
     this.Subscriptions.set(sub.Id, sub);
   }
 
   RemoveSubscription(subId: string) {
-    for (let [a, s] of this.Sockets) {
+    for (const [, s] of this.Sockets) {
       s.RemoveSubscription(subId);
     }
     this.Subscriptions.delete(subId);
@@ -92,7 +93,7 @@ export class NostrSystem {
    * Send events to writable relays
    */
   BroadcastEvent(ev: Event) {
-    for (let [_, s] of this.Sockets) {
+    for (const [, s] of this.Sockets) {
       s.SendEvent(ev);
     }
   }
@@ -101,7 +102,7 @@ export class NostrSystem {
    * Write an event to a relay then disconnect
    */
   async WriteOnceToRelay(address: string, ev: Event) {
-    let c = new Connection(address, { write: true, read: false });
+    const c = new Connection(address, { write: true, read: false });
     await c.SendAsync(ev);
     c.Close();
   }
@@ -110,7 +111,7 @@ export class NostrSystem {
    * Request profile metadata for a set of pubkeys
    */
   TrackMetadata(pk: HexKey | Array<HexKey>) {
-    for (let p of Array.isArray(pk) ? pk : [pk]) {
+    for (const p of Array.isArray(pk) ? pk : [pk]) {
       if (p.length > 0) {
         this.WantsMetadata.add(p);
       }
@@ -121,7 +122,7 @@ export class NostrSystem {
    * Stop tracking metadata for a set of pubkeys
    */
   UntrackMetadata(pk: HexKey | Array<HexKey>) {
-    for (let p of Array.isArray(pk) ? pk : [pk]) {
+    for (const p of Array.isArray(pk) ? pk : [pk]) {
       if (p.length > 0) {
         this.WantsMetadata.delete(p);
       }
@@ -132,16 +133,16 @@ export class NostrSystem {
    * Request/Response pattern
    */
   RequestSubscription(sub: Subscriptions) {
-    return new Promise<TaggedRawEvent[]>((resolve, reject) => {
+    return new Promise<TaggedRawEvent[]>((resolve) => {
-      let events: TaggedRawEvent[] = [];
+      const events: TaggedRawEvent[] = [];
 
       // force timeout returning current results
-      let timeout = setTimeout(() => {
+      const timeout = setTimeout(() => {
         this.RemoveSubscription(sub.Id);
         resolve(events);
       }, 10_000);
 
-      let onEventPassthrough = sub.OnEvent;
+      const onEventPassthrough = sub.OnEvent;
       sub.OnEvent = (ev) => {
         if (typeof onEventPassthrough === "function") {
           onEventPassthrough(ev);
@@ -149,9 +150,9 @@ export class NostrSystem {
         if (!events.some((a) => a.id === ev.id)) {
           events.push(ev);
         } else {
-          let existing = events.find((a) => a.id === ev.id);
+          const existing = events.find((a) => a.id === ev.id);
           if (existing) {
-            for (let v of ev.relays) {
+            for (const v of ev.relays) {
               existing.relays.push(v);
             }
           }
@@ -171,11 +172,11 @@ export class NostrSystem {
 
   async _FetchMetadata() {
     if (this.UserDb) {
-      let missing = new Set<HexKey>();
+      const missing = new Set<HexKey>();
-      let meta = await this.UserDb.bulkGet(Array.from(this.WantsMetadata));
+      const meta = await this.UserDb.bulkGet(Array.from(this.WantsMetadata));
-      let expire = new Date().getTime() - ProfileCacheExpire;
+      const expire = new Date().getTime() - ProfileCacheExpire;
-      for (let pk of this.WantsMetadata) {
+      for (const pk of this.WantsMetadata) {
-        let m = meta.find((a) => a?.pubkey === pk);
+        const m = meta.find((a) => a?.pubkey === pk);
         if (!m || m.loaded < expire) {
           missing.add(pk);
           // cap 100 missing profiles
@@ -188,35 +189,38 @@ export class NostrSystem {
       if (missing.size > 0) {
         console.debug("Wants profiles: ", missing);
 
-        let sub = new Subscriptions();
+        const sub = new Subscriptions();
         sub.Id = `profiles:${sub.Id.slice(0, 8)}`;
         sub.Kinds = new Set([EventKind.SetMetadata]);
         sub.Authors = missing;
         sub.OnEvent = async (e) => {
-          let profile = mapEventToProfile(e);
+          const profile = mapEventToProfile(e);
+          const userDb = unwrap(this.UserDb);
           if (profile) {
-            let existing = await this.UserDb!.find(profile.pubkey);
+            const existing = await userDb.find(profile.pubkey);
             if ((existing?.created ?? 0) < profile.created) {
-              await this.UserDb!.put(profile);
+              await userDb.put(profile);
             } else if (existing) {
-              await this.UserDb!.update(profile.pubkey, {
+              await userDb.update(profile.pubkey, {
                 loaded: profile.loaded,
               });
             }
           }
         };
-        let results = await this.RequestSubscription(sub);
+        const results = await this.RequestSubscription(sub);
-        let couldNotFetch = Array.from(missing).filter(
+        const couldNotFetch = Array.from(missing).filter(
           (a) => !results.some((b) => b.pubkey === a)
         );
         console.debug("No profiles: ", couldNotFetch);
         if (couldNotFetch.length > 0) {
-          let updates = couldNotFetch.map((a) => {
+          const updates = couldNotFetch
-            return {
+            .map((a) => {
-              pubkey: a,
+              return {
-              loaded: new Date().getTime(),
+                pubkey: a,
-            };
+                loaded: new Date().getTime(),
-          }).map(a => this.UserDb!.update(a.pubkey, a));
+              };
+            })
+            .map((a) => unwrap(this.UserDb).update(a.pubkey, a));
           await Promise.all(updates);
         }
       }
@@ -224,12 +228,8 @@ export class NostrSystem {
     setTimeout(() => this._FetchMetadata(), 500);
   }
 
-  async nip42Auth(
+  nip42Auth: (challenge: string, relay: string) => Promise<Event | undefined> =
-    challenge: string,
+    async () => undefined;
-    relay: string
-  ): Promise<Event | undefined> {
-    return;
-  }
 }
 
 export const System = new NostrSystem();

src/Nostr/Tag.ts

@@ -56,7 +56,7 @@ export default class Tag {
     switch (this.Key) {
       case "e": {
         let ret = ["e", this.Event, this.Relay, this.Marker];
-        let trimEnd = ret.reverse().findIndex((a) => a !== undefined);
+        const trimEnd = ret.reverse().findIndex((a) => a !== undefined);
         ret = ret.reverse().slice(0, ret.length - trimEnd);
         return <string[]>ret;
       }
@@ -64,10 +64,10 @@ export default class Tag {
         return this.PubKey ? ["p", this.PubKey] : null;
       }
       case "t": {
-        return ["t", this.Hashtag!];
+        return ["t", this.Hashtag ?? ""];
       }
       case "d": {
-        return ["d", this.DTag!];
+        return ["d", this.DTag ?? ""];
       }
       default: {
         return this.Original;

src/Nostr/Thread.ts

@@ -19,15 +19,15 @@ export default class Thread {
    * @param ev Event to extract thread from
    */
   static ExtractThread(ev: NEvent) {
-    let isThread = ev.Tags.some((a) => a.Key === "e");
+    const isThread = ev.Tags.some((a) => a.Key === "e");
     if (!isThread) {
       return null;
     }
 
-    let shouldWriteMarkers = ev.Kind === EventKind.TextNote;
+    const shouldWriteMarkers = ev.Kind === EventKind.TextNote;
-    let ret = new Thread();
+    const ret = new Thread();
-    let eTags = ev.Tags.filter((a) => a.Key === "e");
+    const eTags = ev.Tags.filter((a) => a.Key === "e");
-    let marked = eTags.some((a) => a.Marker !== undefined);
+    const marked = eTags.some((a) => a.Marker !== undefined);
     if (!marked) {
       ret.Root = eTags[0];
       ret.Root.Marker = shouldWriteMarkers ? "root" : undefined;
@@ -42,8 +42,8 @@ export default class Thread {
         }
       }
     } else {
-      let root = eTags.find((a) => a.Marker === "root");
+      const root = eTags.find((a) => a.Marker === "root");
-      let reply = eTags.find((a) => a.Marker === "reply");
+      const reply = eTags.find((a) => a.Marker === "reply");
       ret.Root = root;
       ret.ReplyTo = reply;
       ret.Mentions = eTags.filter((a) => a.Marker === "mention");

src/Notifications.ts

@@ -15,13 +15,12 @@ export async function makeNotification(
     case EventKind.TextNote: {
       const pubkeys = new Set([
         ev.pubkey,
-        ...ev.tags.filter((a) => a[0] === "p").map((a) => a[1]!),
+        ...ev.tags.filter((a) => a[0] === "p").map((a) => a[1]),
       ]);
       const users = await db.bulkGet(Array.from(pubkeys));
       const fromUser = users.find((a) => a?.pubkey === ev.pubkey);
       const name = getDisplayName(fromUser, ev.pubkey);
-      const avatarUrl =
+      const avatarUrl = fromUser?.picture || Nostrich;
-        (fromUser?.picture?.length ?? 0) === 0 ? Nostrich : fromUser?.picture;
       return {
         title: `Reply from ${name}`,
         body: replaceTagsWithUser(ev, users).substring(0, 50),
@@ -37,12 +36,12 @@ function replaceTagsWithUser(ev: TaggedRawEvent, users: MetadataCache[]) {
   return ev.content
     .split(MentionRegex)
     .map((match) => {
-      let matchTag = match.match(/#\[(\d+)\]/);
+      const matchTag = match.match(/#\[(\d+)\]/);
       if (matchTag && matchTag.length === 2) {
-        let idx = parseInt(matchTag[1]);
+        const idx = parseInt(matchTag[1]);
-        let ref = ev.tags[idx];
+        const ref = ev.tags[idx];
         if (ref && ref[0] === "p" && ref.length > 1) {
-          let u = users.find((a) => a.pubkey === ref[1]);
+          const u = users.find((a) => a.pubkey === ref[1]);
           return `@${getDisplayName(u, ref[1])}`;
         }
       }

src/Pages/ChatPage.tsx

@@ -9,7 +9,7 @@ import { bech32ToHex } from "Util";
 import useEventPublisher from "Feed/EventPublisher";
 
 import DM from "Element/DM";
-import { RawEvent } from "Nostr";
+import { RawEvent, TaggedRawEvent } from "Nostr";
 import { dmsInChat, isToSelf } from "Pages/MessagesPage";
 import NoteToSelf from "Element/NoteToSelf";
 
@@ -17,24 +17,32 @@ type RouterParams = {
   id: string;
 };
 
+interface State {
+  login: {
+    dms: TaggedRawEvent[];
+  };
+}
+
 export default function ChatPage() {
   const params = useParams<RouterParams>();
   const publisher = useEventPublisher();
   const id = bech32ToHex(params.id ?? "");
-  const pubKey = useSelector<any>((s) => s.login.publicKey);
+  const pubKey = useSelector<{ login: { publicKey: string } }>(
-  const dms = useSelector<any, RawEvent[]>((s) => filterDms(s.login.dms));
+    (s) => s.login.publicKey
+  );
+  const dms = useSelector<State, RawEvent[]>((s) => filterDms(s.login.dms));
   const [content, setContent] = useState<string>();
-  const { ref, inView, entry } = useInView();
+  const { ref, inView } = useInView();
   const dmListRef = useRef<HTMLDivElement>(null);
 
-  function filterDms(dms: RawEvent[]) {
+  function filterDms(dms: TaggedRawEvent[]) {
     return dmsInChat(
       id === pubKey ? dms.filter((d) => isToSelf(d, pubKey)) : dms,
       id
     );
   }
 
-  const sortedDms = useMemo<any[]>(() => {
+  const sortedDms = useMemo<RawEvent[]>(() => {
     return [...dms].sort((a, b) => a.created_at - b.created_at);
   }, [dms]);
 
@@ -46,7 +54,7 @@ export default function ChatPage() {
 
   async function sendDm() {
     if (content) {
-      let ev = await publisher.sendDm(content, id);
+      const ev = await publisher.sendDm(content, id);
       console.debug(ev);
       publisher.broadcast(ev);
       setContent("");
@@ -54,7 +62,7 @@ export default function ChatPage() {
   }
 
   async function onEnter(e: KeyboardEvent) {
-    let isEnter = e.code === "Enter";
+    const isEnter = e.code === "Enter";
     if (isEnter && !e.shiftKey) {
       await sendDm();
     }
@@ -67,8 +75,9 @@ export default function ChatPage() {
       )) || <ProfileImage pubkey={id} className="f-grow mb10" />}
       <div className="dm-list" ref={dmListRef}>
         <div>
+          {/* TODO I need to look into this again, something's being bricked with the RawEvent and TaggedRawEvent */}
           {sortedDms.map((a) => (
-            <DM data={a} key={a.id} />
+            <DM data={a as TaggedRawEvent} key={a.id} />
           ))}
           <div ref={ref} className="mb10"></div>
         </div>

src/Pages/DonatePage.tsx

@@ -45,11 +45,11 @@ const DonatePage = () => {
   const [today, setSumToday] = useState<TotalToday>();
 
   async function loadData() {
-    let rsp = await fetch(`${ApiHost}/api/v1/revenue/splits`);
+    const rsp = await fetch(`${ApiHost}/api/v1/revenue/splits`);
     if (rsp.ok) {
       setSplits(await rsp.json());
     }
-    let rsp2 = await fetch(`${ApiHost}/api/v1/revenue/today`);
+    const rsp2 = await fetch(`${ApiHost}/api/v1/revenue/today`);
     if (rsp2.ok) {
       setSumToday(await rsp2.json());
     }
@@ -60,7 +60,7 @@ const DonatePage = () => {
   }, []);
 
   function actions(pk: HexKey) {
-    let split = splits.find((a) => bech32ToHex(a.pubKey) === pk);
+    const split = splits.find((a) => bech32ToHex(a.pubKey) === pk);
     if (split) {
       return <>{(100 * split.split).toLocaleString()}%</>;
     }

src/Pages/EventPage.tsx

@@ -5,7 +5,7 @@ import { parseId } from "Util";
 
 export default function EventPage() {
   const params = useParams();
-  const id = parseId(params.id!);
+  const id = parseId(params.id ?? "");
   const thread = useThreadFeed(id);
 
   return <Thread notes={thread.notes} this={id} />;

src/Pages/HashTagsPage.tsx

@@ -1,9 +1,10 @@
 import { useParams } from "react-router-dom";
 import Timeline from "Element/Timeline";
+import { unwrap } from "Util";
 
 const HashTagsPage = () => {
   const params = useParams();
-  const tag = params.tag!.toLowerCase();
+  const tag = unwrap(params.tag).toLowerCase();
 
   return (
     <>

src/Pages/Layout.tsx

@@ -75,10 +75,10 @@ export default function Layout() {
 
   useEffect(() => {
     if (relays) {
-      for (let [k, v] of Object.entries(relays)) {
+      for (const [k, v] of Object.entries(relays)) {
         System.ConnectToRelay(k, v);
       }
-      for (let [k] of System.Sockets) {
+      for (const [k] of System.Sockets) {
         if (!relays[k] && !SearchRelays.has(k)) {
           System.DisconnectRelay(k);
         }
@@ -96,7 +96,7 @@ export default function Layout() {
   }
 
   useEffect(() => {
-    let osTheme = window.matchMedia("(prefers-color-scheme: light)");
+    const osTheme = window.matchMedia("(prefers-color-scheme: light)");
     setTheme(
       preferences.theme === "system" && osTheme.matches
         ? "light"
@@ -139,24 +139,24 @@ export default function Layout() {
   }, []);
 
   async function handleNewUser() {
-    let newRelays: Record<string, RelaySettings> | undefined;
+    let newRelays: Record<string, RelaySettings> = {};
 
     try {
-      let rsp = await fetch("https://api.nostr.watch/v1/online");
+      const rsp = await fetch("https://api.nostr.watch/v1/online");
       if (rsp.ok) {
-        let online: string[] = await rsp.json();
+        const online: string[] = await rsp.json();
-        let pickRandom = online
+        const pickRandom = online
-          .sort((a, b) => (Math.random() >= 0.5 ? 1 : -1))
+          .sort(() => (Math.random() >= 0.5 ? 1 : -1))
           .slice(0, 4); // pick 4 random relays
 
-        let relayObjects = pickRandom.map((a) => [
+        const relayObjects = pickRandom.map((a) => [
           a,
           { read: true, write: true },
         ]);
         newRelays = Object.fromEntries(relayObjects);
         dispatch(
           setRelays({
-            relays: newRelays!,
+            relays: newRelays,
             createdAt: 1,
           })
         );
@@ -175,13 +175,13 @@ export default function Layout() {
     }
   }, [newUserKey]);
 
-  async function goToNotifications(e: any) {
+  async function goToNotifications(e: React.MouseEvent) {
     e.stopPropagation();
     // request permissions to send notifications
     if ("Notification" in window) {
       try {
         if (Notification.permission !== "granted") {
-          let res = await Notification.requestPermission();
+          const res = await Notification.requestPermission();
           console.debug(res);
         }
       } catch (e) {
@@ -194,14 +194,14 @@ export default function Layout() {
   function accountHeader() {
     return (
       <div className="header-actions">
-        <div className="btn btn-rnd" onClick={(e) => navigate("/search")}>
+        <div className="btn btn-rnd" onClick={() => navigate("/search")}>
           <Search />
         </div>
-        <div className="btn btn-rnd" onClick={(e) => navigate("/messages")}>
+        <div className="btn btn-rnd" onClick={() => navigate("/messages")}>
           <Envelope />
           {unreadDms > 0 && <span className="has-unread"></span>}
         </div>
-        <div className="btn btn-rnd" onClick={(e) => goToNotifications(e)}>
+        <div className="btn btn-rnd" onClick={goToNotifications}>
           <Bell />
           {hasNotifications && <span className="has-unread"></span>}
         </div>

src/Pages/Login.tsx

@@ -30,15 +30,15 @@ export default function LoginPage() {
   }, [publicKey, navigate]);
 
   async function getNip05PubKey(addr: string) {
-    let [username, domain] = addr.split("@");
+    const [username, domain] = addr.split("@");
-    let rsp = await fetch(
+    const rsp = await fetch(
       `https://${domain}/.well-known/nostr.json?name=${encodeURIComponent(
         username
       )}`
     );
     if (rsp.ok) {
-      let data = await rsp.json();
+      const data = await rsp.json();
-      let pKey = data.names[username];
+      const pKey = data.names[username];
       if (pKey) {
         return pKey;
       }
@@ -49,17 +49,17 @@ export default function LoginPage() {
   async function doLogin() {
     try {
       if (key.startsWith("nsec")) {
-        let hexKey = bech32ToHex(key);
+        const hexKey = bech32ToHex(key);
         if (secp.utils.isValidPrivateKey(hexKey)) {
           dispatch(setPrivateKey(hexKey));
         } else {
           throw new Error("INVALID PRIVATE KEY");
         }
       } else if (key.startsWith("npub")) {
-        let hexKey = bech32ToHex(key);
+        const hexKey = bech32ToHex(key);
         dispatch(setPublicKey(hexKey));
       } else if (key.match(EmailRegex)) {
-        let hexKey = await getNip05PubKey(key);
+        const hexKey = await getNip05PubKey(key);
         dispatch(setPublicKey(hexKey));
       } else {
         if (secp.utils.isValidPrivateKey(key)) {
@@ -75,17 +75,17 @@ export default function LoginPage() {
   }
 
   async function makeRandomKey() {
-    let newKey = secp.utils.bytesToHex(secp.utils.randomPrivateKey());
+    const newKey = secp.utils.bytesToHex(secp.utils.randomPrivateKey());
     dispatch(setGeneratedPrivateKey(newKey));
     navigate("/new");
   }
 
   async function doNip07Login() {
-    let pubKey = await window.nostr.getPublicKey();
+    const pubKey = await window.nostr.getPublicKey();
     dispatch(setPublicKey(pubKey));
 
     if ("getRelays" in window.nostr) {
-      let relays = await window.nostr.getRelays();
+      const relays = await window.nostr.getRelays();
       dispatch(
         setRelays({
           relays: {
@@ -99,7 +99,7 @@ export default function LoginPage() {
   }
 
   function altLogins() {
-    let nip07 = "nostr" in window;
+    const nip07 = "nostr" in window;
     if (!nip07) {
       return null;
     }
@@ -108,7 +108,7 @@ export default function LoginPage() {
       <>
         <h2>Other Login Methods</h2>
         <div className="flex">
-          <button type="button" onClick={(e) => doNip07Login()}>
+          <button type="button" onClick={doNip07Login}>
             Login with Extension (NIP-07)
           </button>
         </div>
@@ -129,7 +129,7 @@ export default function LoginPage() {
       </div>
       {error.length > 0 ? <b className="error">{error}</b> : null}
       <div className="tabs">
-        <button type="button" onClick={(e) => doLogin()}>
+        <button type="button" onClick={doLogin}>
           Login
         </button>
         <button type="button" onClick={() => makeRandomKey()}>

src/Pages/MessagesPage.tsx

@@ -33,7 +33,7 @@ export default function MessagesPage() {
   const chats = useMemo(() => {
     return extractChats(
       dms.filter((a) => !isMuted(a.pubkey)),
-      myPubKey!
+      myPubKey ?? ""
     );
   }, [dms, myPubKey, dmInteraction]);
 
@@ -65,7 +65,7 @@ export default function MessagesPage() {
   }
 
   function markAllRead() {
-    for (let c of chats) {
+    for (const c of chats) {
       setLastReadDm(c.pubkey);
     }
     dispatch(incDmInteraction());
@@ -95,23 +95,23 @@ export default function MessagesPage() {
 }
 
 export function lastReadDm(pk: HexKey) {
-  let k = `dm:seen:${pk}`;
+  const k = `dm:seen:${pk}`;
   return parseInt(window.localStorage.getItem(k) ?? "0");
 }
 
 export function setLastReadDm(pk: HexKey) {
   const now = Math.floor(new Date().getTime() / 1000);
-  let current = lastReadDm(pk);
+  const current = lastReadDm(pk);
   if (current >= now) {
     return;
   }
 
-  let k = `dm:seen:${pk}`;
+  const k = `dm:seen:${pk}`;
   window.localStorage.setItem(k, now.toString());
 }
 
 export function dmTo(e: RawEvent) {
-  let firstP = e.tags.find((b) => b[0] === "p");
+  const firstP = e.tags.find((b) => b[0] === "p");
   return firstP ? firstP[1] : "";
 }
 
@@ -132,7 +132,7 @@ export function totalUnread(dms: RawEvent[], myPubKey: HexKey) {
 
 function unreadDms(dms: RawEvent[], myPubKey: HexKey, pk: HexKey) {
   if (pk === myPubKey) return 0;
-  let lastRead = lastReadDm(pk);
+  const lastRead = lastReadDm(pk);
   return dmsInChat(dms, pk).filter(
     (a) => a.created_at >= lastRead && a.pubkey !== myPubKey
   ).length;

src/Pages/Notifications.tsx

@@ -21,8 +21,8 @@ export default function NotificationsPage() {
         <Timeline
           subject={{
             type: "ptag",
-            items: [pubkey!],
+            items: [pubkey],
-            discriminator: pubkey!.slice(0, 12),
+            discriminator: pubkey.slice(0, 12),
           }}
           postsOnly={false}
           method={"TIME_RANGE"}

src/Pages/ProfilePage.tsx

@@ -51,7 +51,7 @@ export default function ProfilePage() {
   const { formatMessage } = useIntl();
   const params = useParams();
   const navigate = useNavigate();
-  const id = useMemo(() => parseId(params.id!), [params]);
+  const id = useMemo(() => parseId(params.id ?? ""), [params]);
   const user = useUserProfile(id);
   const loggedOut = useSelector<RootState, boolean | undefined>(
     (s) => s.login.loggedOut

src/Pages/SearchPage.tsx

@@ -10,7 +10,7 @@ import { System } from "Nostr/System";
 import messages from "./messages";
 
 const SearchPage = () => {
-  const params: any = useParams();
+  const params = useParams();
   const { formatMessage } = useIntl();
   const [search, setSearch] = useState<string>();
   const [keyword, setKeyword] = useState<string | undefined>(params.keyword);
@@ -27,15 +27,15 @@ const SearchPage = () => {
   }, [search]);
 
   useEffect(() => {
-    let addedRelays: string[] = [];
+    const addedRelays: string[] = [];
-    for (let [k, v] of SearchRelays) {
+    for (const [k, v] of SearchRelays) {
       if (!System.Sockets.has(k)) {
         System.ConnectToRelay(k, v);
         addedRelays.push(k);
       }
     }
     return () => {
-      for (let r of addedRelays) {
+      for (const r of addedRelays) {
         System.DisconnectRelay(r);
       }
     };

src/Pages/new/DiscoverFollows.tsx

@@ -6,16 +6,16 @@ import { useNavigate } from "react-router-dom";
 export default function DiscoverFollows() {
   const navigate = useNavigate();
 
-  const sortedReccomends = useMemo(() => {
+  const sortedRecommends = useMemo(() => {
-    return RecommendedFollows.sort((a) => (Math.random() >= 0.5 ? -1 : 1));
+    return RecommendedFollows.sort(() => (Math.random() >= 0.5 ? -1 : 1));
   }, []);
 
   return (
     <>
       <h2>Follow some popular accounts</h2>
       <button onClick={() => navigate("/")}>Skip</button>
-      {sortedReccomends.length > 0 && (
+      {sortedRecommends.length > 0 && (
-        <FollowListBase pubkeys={sortedReccomends} />
+        <FollowListBase pubkeys={sortedRecommends} />
       )}
       <button onClick={() => navigate("/")}>Done!</button>
     </>

src/Pages/new/ImportFollows.tsx

@@ -20,15 +20,17 @@ export default function ImportFollows() {
   const sortedTwitterFollows = useMemo(() => {
     return follows
       .map((a) => bech32ToHex(a))
-      .sort((a, b) => (currentFollows.includes(a) ? 1 : -1));
+      .sort((a) => (currentFollows.includes(a) ? 1 : -1));
   }, [follows, currentFollows]);
 
   async function loadFollows() {
     setFollows([]);
     setError("");
     try {
-      let rsp = await fetch(`${TwitterFollowsApi}?username=${twitterUsername}`);
+      const rsp = await fetch(
-      let data = await rsp.json();
+        `${TwitterFollowsApi}?username=${twitterUsername}`
+      );
+      const data = await rsp.json();
       if (rsp.ok) {
         if (Array.isArray(data) && data.length === 0) {
           setError(`No nostr users found for "${twitterUsername}"`);

src/Pages/settings/Preferences.tsx

@@ -7,6 +7,8 @@ import { DefaultImgProxy, setPreferences, UserPreferences } from "State/Login";
 import { RootState } from "State/Store";
 
 import messages from "./messages";
+import { unwrap } from "Util";
+import "./Preferences.css";
 
 const PreferencesPage = () => {
   const dispatch = useDispatch();
@@ -124,7 +126,7 @@ const PreferencesPage = () => {
                       setPreferences({
                         ...perf,
                         imgProxyConfig: {
-                          ...perf.imgProxyConfig!,
+                          ...unwrap(perf.imgProxyConfig),
                           url: e.target.value,
                         },
                       })
@@ -147,7 +149,7 @@ const PreferencesPage = () => {
                       setPreferences({
                         ...perf,
                         imgProxyConfig: {
-                          ...perf.imgProxyConfig!,
+                          ...unwrap(perf.imgProxyConfig),
                           key: e.target.value,
                         },
                       })
@@ -170,7 +172,7 @@ const PreferencesPage = () => {
                       setPreferences({
                         ...perf,
                         imgProxyConfig: {
-                          ...perf.imgProxyConfig!,
+                          ...unwrap(perf.imgProxyConfig),
                           salt: e.target.value,
                         },
                       })

src/Pages/settings/Profile.tsx

@@ -31,7 +31,7 @@ export default function ProfileSettings(props: ProfileSettingsProps) {
   const privKey = useSelector<RootState, HexKey | undefined>(
     (s) => s.login.privateKey
   );
-  const user = useUserProfile(id!);
+  const user = useUserProfile(id ?? "");
   const publisher = useEventPublisher();
   const uploader = useFileUpload();
 
@@ -61,7 +61,7 @@ export default function ProfileSettings(props: ProfileSettingsProps) {
 
   async function saveProfile() {
     // copy user object and delete internal fields
-    let userCopy = {
+    const userCopy = {
       ...user,
       name,
       display_name: displayName,
@@ -78,16 +78,16 @@ export default function ProfileSettings(props: ProfileSettingsProps) {
     delete userCopy["npub"];
     console.debug(userCopy);
 
-    let ev = await publisher.metadata(userCopy);
+    const ev = await publisher.metadata(userCopy);
     console.debug(ev);
     publisher.broadcast(ev);
   }
 
   async function uploadFile() {
-    let file = await openFile();
+    const file = await openFile();
     if (file) {
       console.log(file);
-      let rsp = await uploader.upload(file, file.name);
+      const rsp = await uploader.upload(file, file.name);
       console.log(rsp);
       if (typeof rsp?.error === "string") {
         throw new Error(`Upload failed ${rsp.error}`);

src/Pages/settings/RelayInfo.tsx

@@ -5,7 +5,7 @@ import { System } from "Nostr/System";
 import { useDispatch } from "react-redux";
 import { useNavigate, useParams } from "react-router-dom";
 import { removeRelay } from "State/Login";
-import { parseId } from "Util";
+import { parseId, unwrap } from "Util";
 
 import messages from "./messages";
 
@@ -100,7 +100,7 @@ const RelayInfo = () => {
           <div
             className="btn error"
             onClick={() => {
-              dispatch(removeRelay(conn!.Address));
+              dispatch(removeRelay(unwrap(conn).Address));
               navigate("/settings/relays");
             }}
           >

src/Pages/settings/Relays.tsx

@@ -19,7 +19,7 @@ const RelaySettingsPage = () => {
   const [newRelay, setNewRelay] = useState<string>();
 
   async function saveRelays() {
-    let ev = await publisher.saveRelays();
+    const ev = await publisher.saveRelays();
     publisher.broadcast(ev);
     publisher.broadcastForBootstrap(ev);
   }
@@ -48,7 +48,7 @@ const RelaySettingsPage = () => {
 
   function addNewRelay() {
     if ((newRelay?.length ?? 0) > 0) {
-      const parsed = new URL(newRelay!);
+      const parsed = new URL(newRelay ?? "");
       const payload = {
         relays: {
           ...relays,

src/State/Login.ts

@@ -215,26 +215,26 @@ const LoginSlice = createSlice({
       }
 
       // check pub key only
-      let pubKey = window.localStorage.getItem(PublicKeyItem);
+      const pubKey = window.localStorage.getItem(PublicKeyItem);
       if (pubKey && !state.privateKey) {
         state.publicKey = pubKey;
         state.loggedOut = false;
       }
 
-      let lastRelayList = window.localStorage.getItem(RelayListKey);
+      const lastRelayList = window.localStorage.getItem(RelayListKey);
       if (lastRelayList) {
         state.relays = JSON.parse(lastRelayList);
       } else {
         state.relays = Object.fromEntries(DefaultRelays.entries());
       }
 
-      let lastFollows = window.localStorage.getItem(FollowList);
+      const lastFollows = window.localStorage.getItem(FollowList);
       if (lastFollows) {
         state.follows = JSON.parse(lastFollows);
       }
 
       // notifications
-      let readNotif = parseInt(
+      const readNotif = parseInt(
         window.localStorage.getItem(NotificationsReadItem) ?? "0"
       );
       if (!isNaN(readNotif)) {
@@ -242,7 +242,7 @@ const LoginSlice = createSlice({
       }
 
       // preferences
-      let pref = window.localStorage.getItem(UserPreferencesKey);
+      const pref = window.localStorage.getItem(UserPreferencesKey);
       if (pref) {
         state.preferences = JSON.parse(pref);
       }
@@ -270,15 +270,15 @@ const LoginSlice = createSlice({
       state.publicKey = action.payload;
     },
     setRelays: (state, action: PayloadAction<SetRelaysPayload>) => {
-      let relays = action.payload.relays;
+      const relays = action.payload.relays;
-      let createdAt = action.payload.createdAt;
+      const createdAt = action.payload.createdAt;
       if (state.latestRelays > createdAt) {
         return;
       }
 
       // filter out non-websocket urls
-      let filtered = new Map<string, RelaySettings>();
+      const filtered = new Map<string, RelaySettings>();
-      for (let [k, v] of Object.entries(relays)) {
+      for (const [k, v] of Object.entries(relays)) {
         if (k.startsWith("wss://") || k.startsWith("ws://")) {
           filtered.set(k, v as RelaySettings);
         }
@@ -299,17 +299,17 @@ const LoginSlice = createSlice({
         return;
       }
 
-      let existing = new Set(state.follows);
+      const existing = new Set(state.follows);
-      let update = Array.isArray(keys) ? keys : [keys];
+      const update = Array.isArray(keys) ? keys : [keys];
 
       let changes = false;
-      for (let pk of update.filter((a) => a.length === 64)) {
+      for (const pk of update.filter((a) => a.length === 64)) {
         if (!existing.has(pk)) {
           existing.add(pk);
           changes = true;
         }
       }
-      for (let pk of existing) {
+      for (const pk of existing) {
         if (!update.includes(pk)) {
           existing.delete(pk);
           changes = true;
@@ -355,7 +355,7 @@ const LoginSlice = createSlice({
       }
 
       let didChange = false;
-      for (let x of n) {
+      for (const x of n) {
         if (!state.dms.some((a) => a.id === x.id)) {
           state.dms.push(x);
           didChange = true;
@@ -370,7 +370,7 @@ const LoginSlice = createSlice({
       state.dmInteraction += 1;
     },
     logout: (state) => {
-      let relays = { ...state.relays };
+      const relays = { ...state.relays };
       Object.assign(state, InitState);
       state.loggedOut = true;
       window.localStorage.clear();
@@ -430,7 +430,7 @@ export function sendNotification({
       hasPermission && timestamp > readNotifications;
     if (shouldShowNotification) {
       try {
-        let worker = await navigator.serviceWorker.ready;
+        const worker = await navigator.serviceWorker.ready;
         worker.showNotification(title, {
           tag: "notification",
           vibrate: [500],

src/State/Users.ts

@@ -26,7 +26,7 @@ export interface MetadataCache extends UserMetadata {
 
 export function mapEventToProfile(ev: TaggedRawEvent) {
   try {
-    let data: UserMetadata = JSON.parse(ev.content);
+    const data: UserMetadata = JSON.parse(ev.content);
     return {
       pubkey: ev.pubkey,
       npub: hexToBech32("npub", ev.pubkey),
@@ -43,12 +43,12 @@ export interface UsersDb {
   isAvailable(): Promise<boolean>;
   query(str: string): Promise<MetadataCache[]>;
   find(key: HexKey): Promise<MetadataCache | undefined>;
-  add(user: MetadataCache): Promise<any>;
+  add(user: MetadataCache): Promise<void>;
-  put(user: MetadataCache): Promise<any>;
+  put(user: MetadataCache): Promise<void>;
-  bulkAdd(users: MetadataCache[]): Promise<any>;
+  bulkAdd(users: MetadataCache[]): Promise<void>;
   bulkGet(keys: HexKey[]): Promise<MetadataCache[]>;
-  bulkPut(users: MetadataCache[]): Promise<any>;
+  bulkPut(users: MetadataCache[]): Promise<void>;
-  update(key: HexKey, fields: Record<string, any>): Promise<any>;
+  update(key: HexKey, fields: Record<string, string | number>): Promise<void>;
 }
 
 export interface UsersStore {

src/State/Users/Db.ts

@@ -4,18 +4,19 @@ import { db as idb } from "Db";
 import { UsersDb, MetadataCache, setUsers } from "State/Users";
 import store, { RootState } from "State/Store";
 import { useSelector } from "react-redux";
+import { unwrap } from "Util";
 
 class IndexedUsersDb implements UsersDb {
-  ready: boolean = false;
+  ready = false;
 
   isAvailable() {
     if ("indexedDB" in window) {
       return new Promise<boolean>((resolve) => {
         const req = window.indexedDB.open("dummy", 1);
-        req.onsuccess = (ev) => {
+        req.onsuccess = () => {
           resolve(true);
         };
-        req.onerror = (ev) => {
+        req.onerror = () => {
           resolve(false);
         };
       });
@@ -41,30 +42,29 @@ class IndexedUsersDb implements UsersDb {
       .toArray();
   }
 
-  bulkGet(keys: HexKey[]) {
+  async bulkGet(keys: HexKey[]) {
-    return idb.users
+    const ret = await idb.users.bulkGet(keys);
-      .bulkGet(keys)
+    return ret.filter((a) => a !== undefined).map((a_1) => unwrap(a_1));
-      .then((ret) => ret.filter((a) => a !== undefined).map((a) => a!));
   }
 
-  add(user: MetadataCache) {
+  async add(user: MetadataCache) {
-    return idb.users.add(user);
+    await idb.users.add(user);
   }
 
-  put(user: MetadataCache) {
+  async put(user: MetadataCache) {
-    return idb.users.put(user);
+    await idb.users.put(user);
   }
 
-  bulkAdd(users: MetadataCache[]) {
+  async bulkAdd(users: MetadataCache[]) {
-    return idb.users.bulkAdd(users);
+    await idb.users.bulkAdd(users);
   }
 
-  bulkPut(users: MetadataCache[]) {
+  async bulkPut(users: MetadataCache[]) {
-    return idb.users.bulkPut(users);
+    await idb.users.bulkPut(users);
   }
 
-  update(key: HexKey, fields: Record<string, any>) {
+  async update(key: HexKey, fields: Record<string, string>) {
-    return idb.users.update(key, fields);
+    await idb.users.update(key, fields);
   }
 }
 
@@ -128,7 +128,7 @@ class ReduxUsersDb implements UsersDb {
     });
   }
 
-  async update(key: HexKey, fields: Record<string, any>) {
+  async update(key: HexKey, fields: Record<string, string>) {
     const state = store.getState();
     const { users } = state.users;
     const current = users[key];

src/State/Users/Hooks.ts

@@ -4,8 +4,9 @@ import { MetadataCache } from "State/Users";
 import type { RootState } from "State/Store";
 import { HexKey } from "Nostr";
 import { useDb } from "./Db";
+import { unwrap } from "Util";
 
-export function useQuery(query: string, limit: number = 5) {
+export function useQuery(query: string) {
   const db = useDb();
   return useLiveQuery(async () => db.query(query), [query]);
 }
@@ -46,5 +47,5 @@ export function useKeys(pubKeys: HexKey[]): Map<HexKey, MetadataCache> {
     return new Map();
   }, [pubKeys, users]);
 
-  return dbUsers!;
+  return dbUsers ?? new Map();
 }

src/Upload/NostrBuild.ts

@@ -3,11 +3,11 @@ import { UploadResult } from "Upload";
 export default async function NostrBuild(
   file: File | Blob
 ): Promise<UploadResult> {
-  let fd = new FormData();
+  const fd = new FormData();
   fd.append("fileToUpload", file);
   fd.append("submit", "Upload Image");
 
-  let rsp = await fetch("https://nostr.build/api/upload/snort.php", {
+  const rsp = await fetch("https://nostr.build/api/upload/snort.php", {
     body: fd,
     method: "POST",
     headers: {
@@ -15,7 +15,7 @@ export default async function NostrBuild(
     },
   });
   if (rsp.ok) {
-    let data = await rsp.json();
+    const data = await rsp.json();
     return {
       url: new URL(data).toString(),
     };

src/Upload/NostrImg.ts

@@ -3,10 +3,10 @@ import { UploadResult } from "Upload";
 export default async function NostrImg(
   file: File | Blob
 ): Promise<UploadResult> {
-  let fd = new FormData();
+  const fd = new FormData();
   fd.append("image", file);
 
-  let rsp = await fetch("https://nostrimg.com/api/upload", {
+  const rsp = await fetch("https://nostrimg.com/api/upload", {
     body: fd,
     method: "POST",
     headers: {
@@ -14,7 +14,7 @@ export default async function NostrImg(
     },
   });
   if (rsp.ok) {
-    let data: UploadResponse = await rsp.json();
+    const data: UploadResponse = await rsp.json();
     if (typeof data?.imageUrl === "string" && data.success) {
       return {
         url: new URL(data.imageUrl).toString(),

src/Upload/VoidCat.ts

@@ -13,7 +13,7 @@ export default async function VoidCat(
   const buf = await file.arrayBuffer();
   const digest = await crypto.subtle.digest("SHA-256", buf);
 
-  let req = await fetch(`${VoidCatHost}/upload`, {
+  const req = await fetch(`${VoidCatHost}/upload`, {
     mode: "cors",
     method: "POST",
     body: buf,
@@ -28,7 +28,7 @@ export default async function VoidCat(
   });
 
   if (req.ok) {
-    let rsp: VoidUploadResponse = await req.json();
+    const rsp: VoidUploadResponse = await req.json();
     if (rsp.ok) {
       let ext = filename.match(FileExtensionRegex);
       if (rsp.file?.metadata?.mimeType === "image/webp") {

src/Util.ts

@@ -1,7 +1,7 @@
 import * as secp from "@noble/secp256k1";
 import { sha256 as hash } from "@noble/hashes/sha256";
 import { bech32 } from "bech32";
-import { HexKey, RawEvent, TaggedRawEvent, u256 } from "Nostr";
+import { HexKey, TaggedRawEvent, u256 } from "Nostr";
 import EventKind from "Nostr/EventKind";
 import { MessageDescriptor } from "react-intl";
 
@@ -10,11 +10,11 @@ export const sha256 = (str: string) => {
 };
 
 export async function openFile(): Promise<File | undefined> {
-  return new Promise((resolve, reject) => {
+  return new Promise((resolve) => {
-    let elm = document.createElement("input");
+    const elm = document.createElement("input");
     elm.type = "file";
     elm.onchange = (e: Event) => {
-      let elm = e.target as HTMLInputElement;
+      const elm = e.target as HTMLInputElement;
       if (elm.files) {
         resolve(elm.files[0]);
       } else {
@@ -36,13 +36,15 @@ export function parseId(id: string) {
     if (hrp.some((a) => id.startsWith(a))) {
       return bech32ToHex(id);
     }
-  } catch (e) {}
+  } catch (e) {
+    // Ignore the error.
+  }
   return id;
 }
 
 export function bech32ToHex(str: string) {
-  let nKey = bech32.decode(str);
+  const nKey = bech32.decode(str);
-  let buff = bech32.fromWords(nKey.words);
+  const buff = bech32.fromWords(nKey.words);
   return secp.utils.bytesToHex(Uint8Array.from(buff));
 }
 
@@ -52,8 +54,8 @@ export function bech32ToHex(str: string) {
  * @returns
  */
 export function bech32ToText(str: string) {
-  let decoded = bech32.decode(str, 1000);
+  const decoded = bech32.decode(str, 1000);
-  let buf = bech32.fromWords(decoded.words);
+  const buf = bech32.fromWords(decoded.words);
   return new TextDecoder().decode(Uint8Array.from(buf));
 }
 
@@ -76,7 +78,7 @@ export function hexToBech32(hrp: string, hex: string) {
   }
 
   try {
-    let buf = secp.utils.hexToBytes(hex);
+    const buf = secp.utils.hexToBytes(hex);
     return bech32.encode(hrp, bech32.toWords(buf));
   } catch (e) {
     console.warn("Invalid hex", hex, e);
@@ -140,13 +142,13 @@ export function getReactions(
 export function extractLnAddress(lnurl: string) {
   // some clients incorrectly set this to LNURL service, patch this
   if (lnurl.toLowerCase().startsWith("lnurl")) {
-    let url = bech32ToText(lnurl);
+    const url = bech32ToText(lnurl);
     if (url.startsWith("http")) {
-      let parsedUri = new URL(url);
+      const parsedUri = new URL(url);
       // is lightning address
       if (parsedUri.pathname.startsWith("/.well-known/lnurlp/")) {
-        let pathParts = parsedUri.pathname.split("/");
+        const pathParts = parsedUri.pathname.split("/");
-        let username = pathParts[pathParts.length - 1];
+        const username = pathParts[pathParts.length - 1];
         return `${username}@${parsedUri.hostname}`;
       }
     }
@@ -165,7 +167,7 @@ export function unixNow() {
  * @returns Cancel timeout function
  */
 export function debounce(timeout: number, fn: () => void) {
-  let t = setTimeout(fn, timeout);
+  const t = setTimeout(fn, timeout);
   return () => clearTimeout(t);
 }
 
@@ -201,3 +203,10 @@ export function dedupeByPubkey(events: TaggedRawEvent[]) {
   );
   return deduped.list as TaggedRawEvent[];
 }
+
+export function unwrap<T>(v: T | undefined | null): T {
+  if (v === undefined || v === null) {
+    throw new Error("missing value");
+  }
+  return v;
+}

src/index.tsx

@@ -26,6 +26,7 @@ import SearchPage from "Pages/SearchPage";
 import HelpPage from "Pages/HelpPage";
 import { NewUserRoutes } from "Pages/new";
 import { IntlProvider } from "./IntlProvider";
+import { unwrap } from "Util";
 
 /**
  * HTTP query provider
@@ -97,7 +98,7 @@ export const router = createBrowserRouter([
   },
 ]);
 
-const root = ReactDOM.createRoot(document.getElementById("root")!);
+const root = ReactDOM.createRoot(unwrap(document.getElementById("root")));
 root.render(
   <StrictMode>
     <Provider store={Store}>