Use method style

.eslintrc.json

@@ -16,5 +16,6 @@
         "@typescript-eslint"
     ],
     "rules": {
+        "@typescript-eslint/method-signature-style": ["error", "method"]
     }
 }

src/config.ts

@@ -20,7 +20,7 @@ export interface AutocompleteConfig<State> {
     /**
      * The function to use to render the dropdown
      */
-    render: (container: HTMLElement, state: State) => void | PromiseLike<void>
+    render(container: HTMLElement, state: State): void | PromiseLike<void>
     /**
      * Minimum length of the query before searching
      */
@@ -32,7 +32,7 @@ export interface AutocompleteConfig<State> {
     /**
      * The function to use to submit the search
      */
-    submit: (query: string) => unknown
+    submit(query: string): unknown
     /**
      * Enable history
      */

src/utils/input.ts

@@ -1,19 +1,19 @@
 import { findAll } from "./dom"
 
 type Callbacks = {
-    onSubmit?: (value: string) => void
-    onInput?: (value: string) => void
-    onFocus?: (value: string) => void
-    onBlur?: (value: string) => void
-    onKeyDown?: (value: string, key: string) => void
-    onClick?: (value: string) => void
+    onSubmit?(value: string): void
+    onInput?(value: string): void
+    onFocus?(value: string): void
+    onBlur?(value: string): void
+    onKeyDown?(value: string, key: string): void
+    onClick?(value: string): void
 }
 
 export function bindInput(
     selector: string | HTMLInputElement,
     callbacks: Callbacks
 ): {
-    destroy: () => void
+    destroy(): void
 } {
     const target =
         selector instanceof HTMLInputElement

src/utils/limiter.ts

@@ -4,8 +4,8 @@ type Callback<T> = () => PromiseLike<T>
 
 interface Event<T> {
     getPromise?: Callback<T>
-    resolve: (result?: T) => void
-    reject: (...args: unknown[]) => void
+    resolve(result?: T): void
+    reject(...args: unknown[]): void
     number: number
 }
 

src/utils/promise.ts

@@ -135,7 +135,10 @@ export class SimplePromise<T> implements PromiseLike<T> {
 
 export const AnyPromise = "Promise" in window ? window.Promise : SimplePromise
 
-export type Cancellable<T> = { promise: PromiseLike<T>; cancel: () => void }
+export type Cancellable<T> = { 
+    promise: PromiseLike<T>
+    cancel(): void 
+}
 
 export class CancellableError extends Error {}