add eslint in root of monorepo

.eslintignore

@@ -0,0 +1,4 @@
+**/node_modules/
+**/dist/
+**/lib/
+**/*.js

.eslintrc.js

@@ -0,0 +1,24 @@
+// This is a WIP, running eslint for the whole monorepo causes
+// javascript to run out of memory, so it needs a bit of refinement
+module.exports = {
+  // extends: [
+  //   "eslint:recommended",
+  //   "plugin:@typescript-eslint/recommended",
+  //   "plugin:@typescript-eslint/recommended-requiring-type-checking",
+  //   "plugin:react/recommended",
+  // ],
+  parser: "@typescript-eslint/parser",
+  parserOptions: {
+    ecmaVersion: "latest",
+    sourceType: "module",
+    tsconfigRootDir: __dirname,
+    // project: ["./tsconfig.json", "./packages/**/tsconfig.json"],
+  },
+  // plugins: ["@typescript-eslint", "react", "only-warn"],
+  root: true,
+  settings: {
+    react: {
+      version: "detect",
+    },
+  },
+};

package.json

@@ -21,7 +21,12 @@
     "clean": "npx rimraf {.,backend,examples,packages}/**/{.parcel-cache,.turbo,build,dist,node_modules,yarn-error.log} packages/app-extension/dev"
   },
   "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^5.31.0",
+    "@typescript-eslint/parser": "^5.31.0",
     "env-cmd": "^10.1.0",
+    "eslint": "^8.20.0",
+    "eslint-plugin-only-warn": "^1.0.3",
+    "eslint-plugin-react": "^7.30.1",
     "husky": "^8.0.1",
     "lint-staged": "^12.4.1",
     "prettier": "^2.6.2",

packages/app-extension/src/components/Unlocked/Nfts/Detail.tsx

@@ -3,15 +3,14 @@ import { Typography } from "@mui/material";
 import { PublicKey } from "@solana/web3.js";
 import { useCustomTheme, styles } from "@coral-xyz/themes";
 import { useNftMetadata } from "@coral-xyz/recoil";
-import { PrimaryButton, SecondaryButton } from "../../common";
+import { PrimaryButton, SecondaryButton, TextField } from "../../common";
 import {
   useDrawerContext,
   WithDrawer,
   WithMiniDrawer,
   CloseButton,
 } from "../../Layout/Drawer";
 import { NavStackEphemeral, NavStackScreen } from "../../Layout/NavStack";
-import { TextField } from "../../common";
 import { SendConfirmationCard } from "../Balances/TokensWidget/Send";
 
 const useStyles = styles((theme) => ({

packages/background/src/keyring/store.ts

@@ -1,5 +1,5 @@
 import * as bs58 from "bs58";
-import { Commitment } from "@solana/web3.js";
+import type { Commitment } from "@solana/web3.js";
 import type { KeyringStoreState } from "@coral-xyz/recoil";
 import { KeyringStoreStateEnum } from "@coral-xyz/recoil";
 import type { EventEmitter, DerivationPath } from "@coral-xyz/common";

packages/common/src/solana/index.ts

@@ -1,11 +1,10 @@
 import BN from "bn.js";
-import type { TransactionInstruction, Commitment } from "@solana/web3.js";
-import {
+import type {
+  TransactionInstruction,
+  Commitment,
   Connection,
-  PublicKey,
-  SystemProgram,
-  Transaction,
 } from "@solana/web3.js";
+import { PublicKey, SystemProgram, Transaction } from "@solana/web3.js";
 import { Token } from "@solana/spl-token";
 import type { TokenInfo } from "@solana/spl-token-registry";
 import * as anchor from "@project-serum/anchor";

packages/ledger-core/src/index.ts

@@ -66,7 +66,7 @@ export async function solanaLedgerSignBytes(
   derivationPath: Buffer,
   msgBytes: Buffer // Transaction "message".
 ) {
-  var numPaths = Buffer.alloc(1);
+  const numPaths = Buffer.alloc(1);
   // @ts-ignore
   numPaths.writeUInt8(1);
   const payload = Buffer.concat([numPaths, derivationPath, msgBytes]);
@@ -79,7 +79,7 @@ export async function getPublicKey(
   account: number,
   path: DerivationPath
 ) {
-  let dPath = solanaDerivationPath(account, path);
+  const dPath = solanaDerivationPath(account, path);
   const pubkeyBytes = await solanaLedgerPubkey(transport, dPath);
   return new PublicKey(bs58.encode(pubkeyBytes));
 }
@@ -112,8 +112,8 @@ async function solanaSend(
   p1: number,
   payload: Buffer
 ) {
-  var p2 = 0;
-  var payload_offset = 0;
+  let p2 = 0;
+  let payload_offset = 0;
 
   if (payload.length > MAX_PAYLOAD) {
     while (payload.length - payload_offset > MAX_PAYLOAD) {

packages/ledger-injection/src/index.ts

@@ -112,6 +112,6 @@ class LedgerInjection {
   }
 }
 
-let LEDGER = new LedgerInjection();
+const LEDGER = new LedgerInjection();
 
 main();

packages/react-xnft-renderer/src/plugin.ts

@@ -147,10 +147,10 @@ export class Plugin {
     this._nextRenderId = 0;
     this._iframe = document.createElement("iframe");
     this._iframe.setAttribute("fetchpriority", "low");
-    this._iframe!.src = this.iframeUrl;
+    this._iframe.src = this.iframeUrl;
     this._iframe.sandbox.add("allow-same-origin");
     this._iframe.sandbox.add("allow-scripts");
-    this._iframe!.onload = async () => {
+    this._iframe.onload = async () => {
       this._rpcServer.setWindow(this._iframe!.contentWindow);
       this._bridgeServer.setWindow(this._iframe!.contentWindow);
       this._dom = new Dom();
@@ -519,7 +519,7 @@ export class Plugin {
     if (this._pendingBridgeRequests!.length === 0) {
       return false;
     }
-    let nextReq = this._pendingBridgeRequests![0];
+    const nextReq = this._pendingBridgeRequests![0];
     return nextReq.renderId === this._nextRenderId;
   }
 

packages/react-xnft/src/reconciler.ts

@@ -164,7 +164,7 @@ const RECONCILER = ReactReconciler({
     logger.debug("createTextInstance", text);
     const instance = {
       id: h.nextId(),
-      kind: "raw" as "raw", // ts wtf?
+      kind: "raw" as const,
       text,
       props: undefined,
       style: undefined,
@@ -1242,7 +1242,7 @@ function getOnChangeHandler(viewId: number): (event: any) => void {
 }
 
 export class ReconcilerBridgeManager {
-  private static _renderId: number = 0;
+  private static _renderId = 0;
 
   //
   // Send a message from the plugin-ui to the host over the reconciler bridge.

packages/react-xnft/src/sdk/Stack/index.tsx

@@ -57,7 +57,7 @@ function NavStackInner({
     (c: any) => c.props.name === activeRoute.name
   );
 
-  let { title: titleDefault } = options({
+  const { title: titleDefault } = options({
     route: activeRoute,
   });
   if (!title) {

packages/recoil/src/atoms/token.tsx

@@ -196,7 +196,7 @@ export const solanaNftCollections = selector({
     // Bucket all the nfts by collection name.
     //
     const collections: Map<string, any> = new Map();
-    for (let [key, value] of metadata.entries()) {
+    for (const [key, value] of metadata.entries()) {
       if (value.tokenMetaUriData.collection) {
         const name = value.tokenMetaUriData.collection.name;
         if (!collections.has(name)) {
@@ -212,7 +212,7 @@ export const solanaNftCollections = selector({
     // Finally, sort each bucket for consistent UI presentation.
     //
     const sortedCollections: any = [];
-    for (let [name, items] of collections.entries()) {
+    for (const [name, items] of collections.entries()) {
       items.sort((a, b) =>
         a.publicKey > b.publicKey ? 1 : a.publicKey === b.publicKey ? 0 : -1
       );

packages/recoil/src/context/Swap.tsx

@@ -194,7 +194,7 @@ export function SwapProvider(props: any) {
 
   const executeSwap = async () => {
     if (!transactions) return null;
-    for (let transactionStep of [
+    for (const transactionStep of [
       "setupTransaction",
       "swapTransaction",
       "cleanupTransaction",

packages/recoil/src/hooks/useLocalStorage.tsx

@@ -2,6 +2,7 @@ import { useState } from "react";
 
 export function useLocalStorage(key: string, initialValue: any) {
   // State to store our value
+
   // Pass initial state function to useState so logic is only executed once
   const [storedValue, setStoredValue] = useState(() => {
     if (typeof window === "undefined") {

packages/recoil/src/hooks/useNavigation.tsx

@@ -22,7 +22,7 @@ export function useNavigation(): NavigationContext {
   const pathname = location.pathname;
   const isRoot = TAB_SET.has(pathname.slice(1));
   const params = new URLSearchParams(location.search);
-  let title = isRoot
+  const title = isRoot
     ? ""
     : useDecodedSearchParams<ExtensionSearchParams>(params).title || "";
 
@@ -123,7 +123,7 @@ function makeParams(ob = {}) {
     .join("&");
 }
 
-export module SearchParamsFor {
+export namespace SearchParamsFor {
   export interface Plugin {
     props: { pluginUrl: string };
   }

yarn.lock

@@ -9398,12 +9398,17 @@ eslint-plugin-mui-unused-classes@^1.0.3:
   resolved "https://registry.yarnpkg.com/eslint-plugin-mui-unused-classes/-/eslint-plugin-mui-unused-classes-1.0.3.tgz#5601c17ac6094b36452117fe84792eeaaddc23a8"
   integrity sha512-hsvoxxcL189LSyUyBvak+tK7XHKvoAiUBQpnCRyx6hLf4FTE+WWNtE9cRwcUwZvdh+E/wLHGp9JpNveQcQpUTw==
 
+eslint-plugin-only-warn@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-only-warn/-/eslint-plugin-only-warn-1.0.3.tgz#a75f3a9ded7f03e9808e75ec27f22b644084506e"
+  integrity sha512-XQOX/TfLoLw6h8ky51d29uUjXRTQHqBGXPylDEmy5fe/w7LIOnp8MA24b1OSMEn9BQoKow1q3g1kLe5/9uBTvw==
+
 eslint-plugin-react-hooks@^4.5.0:
   version "4.6.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react-hooks/-/eslint-plugin-react-hooks-4.6.0.tgz#4c3e697ad95b77e93f8646aaa1630c1ba607edd3"
   integrity sha512-oFc7Itz9Qxh2x4gNHStv3BqJq54ExXmfC+a1NjAta66IAN87Wu0R/QArgIS9qKzX3dXKPI9H5crl9QchNMY9+g==
 
-eslint-plugin-react@^7.29.4:
+eslint-plugin-react@^7.29.4, eslint-plugin-react@^7.30.1:
   version "7.30.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.30.1.tgz#2be4ab23ce09b5949c6631413ba64b2810fd3e22"
   integrity sha512-NbEvI9jtqO46yJA3wcRF9Mo0lF9T/jhdHqhCHXiXtD+Zcb98812wvokjWpU7Q4QH5edo6dmqrukxVvWWXHlsUg==