fix: convert more public types to arrow funcs

Convert the rest of the public types in `src/exports/public.d.ts` to use
arrow function types instead of bound function types.

I kept the following types in `public.d.ts` using non-arrow functions,
since

- These functions are for user inputs, which might rely on these
  functions being bound, and so it might be a breaking change to
  change these types:
  - [`Emulator['platform']`][1]
  - functions in `KitConfig`
- Class methods that rely on `this`:
  - [`Server`][2]

[1]: https://github.com/sveltejs/kit/blob/b25f2d052bbf22e832ac57cbf9e12c48ac922f96/packages/kit/src/exports/public.d.ts#L272-L276
[2]: https://github.com/sveltejs/kit/blob/b25f2d052bbf22e832ac57cbf9e12c48ac922f96/packages/kit/src/exports/public.d.ts#L1174-L1178

Author: aloisklink

packages/kit/src/exports/public.d.ts

@@ -93,9 +93,9 @@ export interface Builder {
 	/** Print messages to the console. `log.info` and `log.minor` are silent unless Vite's `logLevel` is `info`. */
 	log: Logger;
 	/** Remove `dir` and all its contents. */
-	rimraf(dir: string): void;
+	rimraf: (dir: string) => void;
 	/** Create `dir` and any required parent directories. */
-	mkdirp(dir: string): void;
+	mkdirp: (dir: string) => void;
 
 	/** The fully resolved `svelte.config.js`. */
 	config: ValidatedConfig;
@@ -110,59 +110,59 @@ export interface Builder {
 	 * @param fn A function that groups a set of routes into an entry point
 	 * @deprecated Use `builder.routes` instead
 	 */
-	createEntries(fn: (route: RouteDefinition) => AdapterEntry): Promise<void>;
+	createEntries: (fn: (route: RouteDefinition) => AdapterEntry) => Promise<void>;
 
 	/**
 	 * Find all the assets imported by server files belonging to `routes`
 	 */
-	findServerAssets(routes: RouteDefinition[]): string[];
+	findServerAssets: (routes: RouteDefinition[]) => string[];
 
 	/**
 	 * Generate a fallback page for a static webserver to use when no route is matched. Useful for single-page apps.
 	 */
-	generateFallback(dest: string): Promise<void>;
+	generateFallback: (dest: string) => Promise<void>;
 
 	/**
 	 * Generate a module exposing build-time environment variables as `$env/dynamic/public`.
 	 */
-	generateEnvModule(): void;
+	generateEnvModule: () => void;
 
 	/**
 	 * Generate a server-side manifest to initialise the SvelteKit [server](https://svelte.dev/docs/kit/@sveltejs-kit#Server) with.
 	 * @param opts a relative path to the base directory of the app and optionally in which format (esm or cjs) the manifest should be generated
 	 */
-	generateManifest(opts: { relativePath: string; routes?: RouteDefinition[] }): string;
+	generateManifest: (opts: { relativePath: string; routes?: RouteDefinition[] }) => string;
 
 	/**
 	 * Resolve a path to the `name` directory inside `outDir`, e.g. `/path/to/.svelte-kit/my-adapter`.
 	 * @param name path to the file, relative to the build directory
 	 */
-	getBuildDirectory(name: string): string;
+	getBuildDirectory: (name: string) => string;
 	/** Get the fully resolved path to the directory containing client-side assets, including the contents of your `static` directory. */
-	getClientDirectory(): string;
+	getClientDirectory: () => string;
 	/** Get the fully resolved path to the directory containing server-side code. */
-	getServerDirectory(): string;
+	getServerDirectory: () => string;
 	/** Get the application path including any configured `base` path, e.g. `my-base-path/_app`. */
-	getAppPath(): string;
+	getAppPath: () => string;
 
 	/**
 	 * Write client assets to `dest`.
 	 * @param dest the destination folder
 	 * @returns an array of files written to `dest`
 	 */
-	writeClient(dest: string): string[];
+	writeClient: (dest: string) => string[];
 	/**
 	 * Write prerendered files to `dest`.
 	 * @param dest the destination folder
 	 * @returns an array of files written to `dest`
 	 */
-	writePrerendered(dest: string): string[];
+	writePrerendered: (dest: string) => string[];
 	/**
 	 * Write server-side code to `dest`.
 	 * @param dest the destination folder
 	 * @returns an array of files written to `dest`
 	 */
-	writeServer(dest: string): string[];
+	writeServer: (dest: string) => string[];
 	/**
 	 * Copy a file or directory.
 	 * @param from the source file or directory
@@ -171,20 +171,20 @@ export interface Builder {
 	 * @param opts.replace a map of strings to replace
 	 * @returns an array of files that were copied
 	 */
-	copy(
+	copy: (
 		from: string,
 		to: string,
 		opts?: {
 			filter?(basename: string): boolean;
 			replace?: Record<string, string>;
 		}
-	): string[];
+	) => string[];
 
 	/**
 	 * Compress files in `directory` with gzip and brotli, where appropriate. Generates `.gz` and `.br` files alongside the originals.
 	 * @param {string} directory The directory containing the files to be compressed
 	 */
-	compress(directory: string): Promise<void>;
+	compress: (directory: string) => Promise<void>;
 }
 
 export interface Config {
@@ -214,13 +214,13 @@ export interface Cookies {
 	 * @param name the name of the cookie
 	 * @param opts the options, passed directly to `cookie.parse`. See documentation [here](https://github.com/jshttp/cookie#cookieparsestr-options)
 	 */
-	get(name: string, opts?: import('cookie').CookieParseOptions): string | undefined;
+	get: (name: string, opts?: import('cookie').CookieParseOptions) => string | undefined;
 
 	/**
 	 * Gets all cookies that were previously set with `cookies.set`, or from the request headers.
 	 * @param opts the options, passed directly to `cookie.parse`. See documentation [here](https://github.com/jshttp/cookie#cookieparsestr-options)
 	 */
-	getAll(opts?: import('cookie').CookieParseOptions): Array<{ name: string; value: string }>;
+	getAll: (opts?: import('cookie').CookieParseOptions) => Array<{ name: string; value: string }>;
 
 	/**
 	 * Sets a cookie. This will add a `set-cookie` header to the response, but also make the cookie available via `cookies.get` or `cookies.getAll` during the current request.
@@ -232,11 +232,11 @@ export interface Cookies {
 	 * @param value the cookie value
 	 * @param opts the options, passed directly to `cookie.serialize`. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 	 */
-	set(
+	set: (
 		name: string,
 		value: string,
 		opts: import('cookie').CookieSerializeOptions & { path: string }
-	): void;
+	) => void;
 
 	/**
 	 * Deletes a cookie by setting its value to an empty string and setting the expiry date in the past.
@@ -245,7 +245,7 @@ export interface Cookies {
 	 * @param name the name of the cookie
 	 * @param opts the options, passed directly to `cookie.serialize`. The `path` must match the path of the cookie you want to delete. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 	 */
-	delete(name: string, opts: import('cookie').CookieSerializeOptions & { path: string }): void;
+	delete: (name: string, opts: import('cookie').CookieSerializeOptions & { path: string }) => void;
 
 	/**
 	 * Serialize a cookie name-value pair into a `Set-Cookie` header string, but don't apply it to the response.
@@ -258,11 +258,11 @@ export interface Cookies {
 	 * @param value the cookie value
 	 * @param opts the options, passed directly to `cookie.serialize`. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 	 */
-	serialize(
+	serialize: (
 		name: string,
 		value: string,
 		opts: import('cookie').CookieSerializeOptions & { path: string }
-	): string;
+	) => string;
 }
 
 /**
@@ -945,7 +945,7 @@ export interface BeforeNavigate extends Navigation {
 	/**
 	 * Call this to prevent the navigation from starting.
 	 */
-	cancel(): void;
+	cancel: () => void;
 }
 
 /**
@@ -1195,7 +1195,7 @@ export interface SSRManifest {
 		client: NonNullable<BuildData['client']>;
 		nodes: SSRNodeLoader[];
 		routes: SSRRoute[];
-		matchers(): Promise<Record<string, ParamMatcher>>;
+		matchers: () => Promise<Record<string, ParamMatcher>>;
 		/** A `[file]: size` map of all assets imported by server code */
 		server_assets: Record<string, number>;
 	};

packages/kit/src/runtime/server/cookie.js

@@ -52,7 +52,7 @@ export function get_cookies(request, url, trailing_slash) {
 
 		/**
 		 * @param {string} name
-		 * @param {import('cookie').CookieParseOptions} opts
+		 * @param {import('cookie').CookieParseOptions} [opts]
 		 */
 		get(name, opts) {
 			const c = new_cookies[name];
@@ -89,7 +89,7 @@ export function get_cookies(request, url, trailing_slash) {
 		},
 
 		/**
-		 * @param {import('cookie').CookieParseOptions} opts
+		 * @param {import('cookie').CookieParseOptions} [opts]
 		 */
 		getAll(opts) {
 			const decoder = opts?.decode || decodeURIComponent;

packages/kit/types/index.d.ts

@@ -75,9 +75,9 @@ declare module '@sveltejs/kit' {
 		/** Print messages to the console. `log.info` and `log.minor` are silent unless Vite's `logLevel` is `info`. */
 		log: Logger;
 		/** Remove `dir` and all its contents. */
-		rimraf(dir: string): void;
+		rimraf: (dir: string) => void;
 		/** Create `dir` and any required parent directories. */
-		mkdirp(dir: string): void;
+		mkdirp: (dir: string) => void;
 
 		/** The fully resolved `svelte.config.js`. */
 		config: ValidatedConfig;
@@ -92,59 +92,59 @@ declare module '@sveltejs/kit' {
 		 * @param fn A function that groups a set of routes into an entry point
 		 * @deprecated Use `builder.routes` instead
 		 */
-		createEntries(fn: (route: RouteDefinition) => AdapterEntry): Promise<void>;
+		createEntries: (fn: (route: RouteDefinition) => AdapterEntry) => Promise<void>;
 
 		/**
 		 * Find all the assets imported by server files belonging to `routes`
 		 */
-		findServerAssets(routes: RouteDefinition[]): string[];
+		findServerAssets: (routes: RouteDefinition[]) => string[];
 
 		/**
 		 * Generate a fallback page for a static webserver to use when no route is matched. Useful for single-page apps.
 		 */
-		generateFallback(dest: string): Promise<void>;
+		generateFallback: (dest: string) => Promise<void>;
 
 		/**
 		 * Generate a module exposing build-time environment variables as `$env/dynamic/public`.
 		 */
-		generateEnvModule(): void;
+		generateEnvModule: () => void;
 
 		/**
 		 * Generate a server-side manifest to initialise the SvelteKit [server](https://svelte.dev/docs/kit/@sveltejs-kit#Server) with.
 		 * @param opts a relative path to the base directory of the app and optionally in which format (esm or cjs) the manifest should be generated
 		 */
-		generateManifest(opts: { relativePath: string; routes?: RouteDefinition[] }): string;
+		generateManifest: (opts: { relativePath: string; routes?: RouteDefinition[] }) => string;
 
 		/**
 		 * Resolve a path to the `name` directory inside `outDir`, e.g. `/path/to/.svelte-kit/my-adapter`.
 		 * @param name path to the file, relative to the build directory
 		 */
-		getBuildDirectory(name: string): string;
+		getBuildDirectory: (name: string) => string;
 		/** Get the fully resolved path to the directory containing client-side assets, including the contents of your `static` directory. */
-		getClientDirectory(): string;
+		getClientDirectory: () => string;
 		/** Get the fully resolved path to the directory containing server-side code. */
-		getServerDirectory(): string;
+		getServerDirectory: () => string;
 		/** Get the application path including any configured `base` path, e.g. `my-base-path/_app`. */
-		getAppPath(): string;
+		getAppPath: () => string;
 
 		/**
 		 * Write client assets to `dest`.
 		 * @param dest the destination folder
 		 * @returns an array of files written to `dest`
 		 */
-		writeClient(dest: string): string[];
+		writeClient: (dest: string) => string[];
 		/**
 		 * Write prerendered files to `dest`.
 		 * @param dest the destination folder
 		 * @returns an array of files written to `dest`
 		 */
-		writePrerendered(dest: string): string[];
+		writePrerendered: (dest: string) => string[];
 		/**
 		 * Write server-side code to `dest`.
 		 * @param dest the destination folder
 		 * @returns an array of files written to `dest`
 		 */
-		writeServer(dest: string): string[];
+		writeServer: (dest: string) => string[];
 		/**
 		 * Copy a file or directory.
 		 * @param from the source file or directory
@@ -153,20 +153,20 @@ declare module '@sveltejs/kit' {
 		 * @param opts.replace a map of strings to replace
 		 * @returns an array of files that were copied
 		 */
-		copy(
+		copy: (
 			from: string,
 			to: string,
 			opts?: {
 				filter?(basename: string): boolean;
 				replace?: Record<string, string>;
 			}
-		): string[];
+		) => string[];
 
 		/**
 		 * Compress files in `directory` with gzip and brotli, where appropriate. Generates `.gz` and `.br` files alongside the originals.
 		 * @param directory The directory containing the files to be compressed
 		 */
-		compress(directory: string): Promise<void>;
+		compress: (directory: string) => Promise<void>;
 	}
 
 	export interface Config {
@@ -196,13 +196,13 @@ declare module '@sveltejs/kit' {
 		 * @param name the name of the cookie
 		 * @param opts the options, passed directly to `cookie.parse`. See documentation [here](https://github.com/jshttp/cookie#cookieparsestr-options)
 		 */
-		get(name: string, opts?: import('cookie').CookieParseOptions): string | undefined;
+		get: (name: string, opts?: import('cookie').CookieParseOptions) => string | undefined;
 
 		/**
 		 * Gets all cookies that were previously set with `cookies.set`, or from the request headers.
 		 * @param opts the options, passed directly to `cookie.parse`. See documentation [here](https://github.com/jshttp/cookie#cookieparsestr-options)
 		 */
-		getAll(opts?: import('cookie').CookieParseOptions): Array<{ name: string; value: string }>;
+		getAll: (opts?: import('cookie').CookieParseOptions) => Array<{ name: string; value: string }>;
 
 		/**
 		 * Sets a cookie. This will add a `set-cookie` header to the response, but also make the cookie available via `cookies.get` or `cookies.getAll` during the current request.
@@ -214,11 +214,11 @@ declare module '@sveltejs/kit' {
 		 * @param value the cookie value
 		 * @param opts the options, passed directly to `cookie.serialize`. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 		 */
-		set(
+		set: (
 			name: string,
 			value: string,
 			opts: import('cookie').CookieSerializeOptions & { path: string }
-		): void;
+		) => void;
 
 		/**
 		 * Deletes a cookie by setting its value to an empty string and setting the expiry date in the past.
@@ -227,7 +227,7 @@ declare module '@sveltejs/kit' {
 		 * @param name the name of the cookie
 		 * @param opts the options, passed directly to `cookie.serialize`. The `path` must match the path of the cookie you want to delete. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 		 */
-		delete(name: string, opts: import('cookie').CookieSerializeOptions & { path: string }): void;
+		delete: (name: string, opts: import('cookie').CookieSerializeOptions & { path: string }) => void;
 
 		/**
 		 * Serialize a cookie name-value pair into a `Set-Cookie` header string, but don't apply it to the response.
@@ -240,11 +240,11 @@ declare module '@sveltejs/kit' {
 		 * @param value the cookie value
 		 * @param opts the options, passed directly to `cookie.serialize`. See documentation [here](https://github.com/jshttp/cookie#cookieserializename-value-options)
 		 */
-		serialize(
+		serialize: (
 			name: string,
 			value: string,
 			opts: import('cookie').CookieSerializeOptions & { path: string }
-		): string;
+		) => string;
 	}
 
 	/**
@@ -927,7 +927,7 @@ declare module '@sveltejs/kit' {
 		/**
 		 * Call this to prevent the navigation from starting.
 		 */
-		cancel(): void;
+		cancel: () => void;
 	}
 
 	/**
@@ -1177,7 +1177,7 @@ declare module '@sveltejs/kit' {
 			client: NonNullable<BuildData['client']>;
 			nodes: SSRNodeLoader[];
 			routes: SSRRoute[];
-			matchers(): Promise<Record<string, ParamMatcher>>;
+			matchers: () => Promise<Record<string, ParamMatcher>>;
 			/** A `[file]: size` map of all assets imported by server code */
 			server_assets: Record<string, number>;
 		};