typescript-eslint · JoshuaKGoldberg · Oct 22, 2024 · Oct 18, 2024 · Oct 18, 2024 · Oct 18, 2024
diff --git a/packages/website/src/components/RulesTable/index.tsx b/packages/website/src/components/RulesTable/index.tsx
@@ -386,7 +386,9 @@ function parseFiltersState(str: string): FiltersState {
     const exclude = part.startsWith(NEGATION_SYMBOL);
     const key = exclude ? part.slice(1) : part;
     if (Object.hasOwn(neutralFiltersState, key)) {
-      res[key] = exclude ? 'exclude' : 'include';
+      res[key as keyof typeof neutralFiltersState] = exclude
+        ? 'exclude'
+        : 'include';
     }
   }
 

diff --git a/packages/website/src/components/ast/utils.ts b/packages/website/src/components/ast/utils.ts
@@ -5,14 +5,13 @@ import type { ParentNodeType } from './types';
 
 import { tsEnumFlagToString, tsEnumToString } from './tsUtils';
 
-export function objType(obj: unknown): string {
-  const type = Object.prototype.toString.call(obj).slice(8, -1);
-  if (type === 'Object' && obj && typeof obj[Symbol.iterator] === 'function') {
-    return 'Iterable';
-  }
-
-  return type;
-}
+export const objType = (obj: unknown): string =>
+  typeof obj === 'object' &&
+  obj &&
+  Symbol.iterator in obj &&
+  typeof obj[Symbol.iterator] === 'function'
+    ? 'Iterable'
+    : Object.prototype.toString.call(obj).slice(8, -1);
 
 export function isRecord(value: unknown): value is Record<string, unknown> {
   return objType(value) === 'Object';

diff --git a/packages/website/src/components/lib/jsonSchema.ts b/packages/website/src/components/lib/jsonSchema.ts
@@ -177,33 +177,31 @@ export function getTypescriptOptions(): DescribedOptionDeclaration[] {
  */
 export function getTypescriptJsonSchema(): JSONSchema4 {
   const properties = Object.fromEntries(
-    getTypescriptOptions()
-      .map(item => {
-        let value;
-        if (item.type === 'boolean') {
-          value = {
-            description: item.description.message,
-            type: 'boolean',
-          };
-        } else if (item.type === 'list' && item.element?.type instanceof Map) {
-          value = {
-            description: item.description.message,
-            items: {
-              enum: [...item.element.type.keys()],
-              type: 'string',
-            },
-            type: 'array',
-          };
-        } else if (item.type instanceof Map) {
-          value = {
-            description: item.description.message,
-            enum: [...item.type.keys()],
+    getTypescriptOptions().flatMap(item => {
+      let value: JSONSchema4 | undefined;
+      if (item.type === 'boolean') {
+        value = {
+          description: item.description.message,
+          type: 'boolean',
+        };
+      } else if (item.type === 'list' && item.element?.type instanceof Map) {
+        value = {
+          description: item.description.message,
+          items: {
+            enum: [...item.element.type.keys()],
             type: 'string',
-          };
-        }
-        return [item.name, value] as const;
-      })
-      .filter(([, value]) => value),
+          },
+          type: 'array',
+        };
+      } else if (item.type instanceof Map) {
+        value = {
+          description: item.description.message,
+          enum: [...item.type.keys()],
+          type: 'string',
+        };
+      }
+      return value ? [[item.name, value] as const] : [];
+    }),
   );
 
   return {

diff --git a/packages/website/src/components/lib/shallowEqual.ts b/packages/website/src/components/lib/shallowEqual.ts
@@ -1,9 +1,9 @@
 /**
  * Shallowly compare two objects.
  */
-export function shallowEqual(
-  object1: object | null | undefined,
-  object2: object | null | undefined,
+export function shallowEqual<T extends Record<PropertyKey, unknown>>(
+  object1: T | null | undefined,
+  object2: T | null | undefined,
 ): boolean {
   if (object1 === object2) {
     return true;

diff --git a/packages/website/tsconfig.json b/packages/website/tsconfig.json
@@ -8,7 +8,6 @@
     "jsx": "react",
     "lib": ["DOM", "ES2023"],
     "noEmit": true,
-    "noImplicitAny": false,
     "resolveJsonModule": true,
     "baseUrl": ".",
     "paths": {