refactor: fix some eslint hints

src/context.ts

@@ -156,7 +156,7 @@ const checker: StaticHas = {
                     }' not '${cmd}')`,
                 );
             }
-            const set = cmd.indexOf("@") === -1 ? noAtCommands : atCommands;
+            const set = cmd.includes("@") ? atCommands : noAtCommands;
             set.add(cmd);
         });
         return <C extends Context>(ctx: C): ctx is CommandContext<C> => {

src/convenience/frameworks.ts

@@ -160,7 +160,7 @@
             const chunks: Chunk[] = [];
             req.on("data", (chunk: Chunk) => chunks.push(chunk))
                 .once("end", () => {
-                    // @ts-ignore `Buffer` is Node-only
+                    // @ts-expect-error `Buffer` is Node-only
                     const raw = Buffer.concat(chunks).toString("utf-8");
                     resolve(JSON.parse(raw));
                 })

src/convenience/session.ts

@@ -248,7 +248,7 @@ function strictMultiSession<S, C extends Context>(
         const propSessions = await Promise.all(props.map(async (prop) => {
             const { initial, storage, getSessionKey, custom } = defaults[prop];
             const s = new PropertySession(
-                // @ts-ignore cannot express that the storage works for a concrete prop
+                // @ts-expect-error cannot express that the storage works for a concrete prop
                 storage,
                 ctx.session,
                 prop,
@@ -305,7 +305,7 @@ export function lazySession<S, C extends Context>(
     const { initial, storage, getSessionKey, custom } = fillDefaults(options);
     return async (ctx, next) => {
         const propSession = new PropertySession(
-            // @ts-ignore suppress promise nature of values
+            // @ts-expect-error suppress promise nature of values
             storage,
             ctx,
             "session",

src/core/error.ts

@@ -13,7 +13,7 @@ import { type ApiError, type ResponseParameters } from "../types.ts";
  */
 export class GrammyError extends Error implements ApiError {
     /** Flag that this request was unsuccessful. Always `false`. */
-    public readonly ok: false = false;
+    public readonly ok = false;
     /** An integer holding Telegram's error code. Subject to change. */
     public readonly error_code: number;
     /** A human-readable description of the error. */

test/composer.test.ts

@@ -14,7 +14,7 @@ import {
 } from "./deps.test.ts";
 
 describe("BotError", () => {
-    // @ts-ignore-error this message is missing many properties
+    // @ts-expect-error this message is missing many properties
     const ctx = new Context({ message: { text: "test" } }, 0, 0);
     it("should copy stack and message", () => {
         const e = new Error("nope");

test/convenience/session.test.ts

@@ -745,7 +745,7 @@ describe("enhanceStorage", () => {
         assertEquals(await store.read("k"), 42);
         await tick(2);
         assertEquals(await store.read("k"), undefined);
-        store.write("k", 42);
+        await store.write("k", 42);
         assertEquals(await store.read("k"), 42);
     });
 
@@ -884,7 +884,7 @@ describe("enhanceStorage", () => {
         assertEquals(await enhanced.read("k"), 400);
         await tick(2);
         assertEquals(await enhanced.read("k"), undefined);
-        enhanced.write("k", 42);
+        await enhanced.write("k", 42);
         assertEquals(await enhanced.read("k"), 42);
     });
 });