fix: improve types

README.md

@@ -125,7 +125,7 @@ A path prefix that will be added to values of the manifest.
 
 ### `removeKeyHash`
 
-Type: `RegExp | Boolean`<br>
+Type: `RegExp | false`<br>
 Default: `/([a-f0-9]{32}\.?)/gi`
 
 If set to a valid `RegExp`, removes hashes from manifest keys. e.g.

src/helpers.ts

@@ -2,7 +2,7 @@ import { dirname, join, basename } from 'path';
 
 import webpack, { AssetInfo, Chunk } from 'webpack';
 
-import { InternalOptions } from './';
+import { InternalOptions, Manifest } from './';
 
 export interface FileDescriptor {
   chunk?: ProperChunk;
@@ -34,7 +34,7 @@ const generateManifest = (
   files: FileDescriptor[],
   { generate, seed = {} }: InternalOptions
 ) => {
-  let result;
+  let result: Manifest;
   if (generate) {
     const entrypointsArray = Array.from(compilation.entrypoints.entries());
     const entrypoints = entrypointsArray.reduce(

src/index.ts

@@ -10,17 +10,23 @@ import { beforeRunHook, emitHook, getCompilerHooks, normalModuleLoaderHook } fro
 
 const emitCountMap: EmitCountMap = new Map();
 
+export type Manifest = Record<string, string>;
+
 export interface InternalOptions {
   [key: string]: any;
   basePath: string;
   fileName: string;
   filter: (file: FileDescriptor) => Boolean;
-  generate: (seed: Record<any, any>, files: FileDescriptor[], entries: Record<string, any>) => any;
+  generate: (
+    seed: Record<any, any>,
+    files: FileDescriptor[],
+    entries: Record<string, string[]>
+  ) => Manifest;
   map: (file: FileDescriptor) => FileDescriptor;
   publicPath: string;
-  removeKeyHash: RegExp;
-  seed: Record<any, any> | any[];
-  serialize: (manifest: any) => string;
+  removeKeyHash: RegExp | false;
+  seed: Record<any, any>;
+  serialize: (manifest: Manifest) => string;
   sort: (fileA: FileDescriptor, fileB: FileDescriptor) => Number;
   transformExtensions: RegExp;
   useEntryKeys: Boolean;
@@ -103,4 +109,4 @@ class WebpackManifestPlugin implements WebpackPluginInstance {
   }
 }
 
-module.exports = { getCompilerHooks, WebpackManifestPlugin };
+export { getCompilerHooks, WebpackManifestPlugin };