From 96ca841cc0cfb98a0f3417a9df3e70ed264d34ab Mon Sep 17 00:00:00 2001
From: Charles Lyding <19598772+clydin@users.noreply.github.com>
Date: Tue, 14 Jan 2025 11:20:24 -0500
Subject: [PATCH] refactor(@ngtools/webpack): add types to exported module
 variables

Adding explicit type information for a module's exported variables
allows the `@ngtools/webpack` package to be built with the `isolatedDeclarations`
option.
---
 packages/ngtools/webpack/src/ivy/index.ts               | 2 +-
 packages/ngtools/webpack/src/ivy/paths.ts               | 2 +-
 packages/ngtools/webpack/src/ivy/plugin.ts              | 2 +-
 packages/ngtools/webpack/src/ivy/symbol.ts              | 2 +-
 packages/ngtools/webpack/src/loaders/inline-resource.ts | 6 ++++--
 5 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/packages/ngtools/webpack/src/ivy/index.ts b/packages/ngtools/webpack/src/ivy/index.ts
index 6c19f921f8a5..845d06385ff2 100644
--- a/packages/ngtools/webpack/src/ivy/index.ts
+++ b/packages/ngtools/webpack/src/ivy/index.ts
@@ -9,4 +9,4 @@
 export { angularWebpackLoader as default } from './loader';
 export { type AngularWebpackPluginOptions, AngularWebpackPlugin, imageDomains } from './plugin';
 
-export const AngularWebpackLoaderPath = __filename;
+export const AngularWebpackLoaderPath: string = __filename;
diff --git a/packages/ngtools/webpack/src/ivy/paths.ts b/packages/ngtools/webpack/src/ivy/paths.ts
index 5aac2b307cd3..688aa65e5718 100644
--- a/packages/ngtools/webpack/src/ivy/paths.ts
+++ b/packages/ngtools/webpack/src/ivy/paths.ts
@@ -34,7 +34,7 @@ function externalizeForWindows(path: string): string {
   return result;
 }
 
-export const externalizePath = (() => {
+export const externalizePath: typeof externalizeForWindows = (() => {
   if (process.platform !== 'win32') {
     return (path: string) => path;
   }
diff --git a/packages/ngtools/webpack/src/ivy/plugin.ts b/packages/ngtools/webpack/src/ivy/plugin.ts
index 07daf99cab88..b77489146ee6 100644
--- a/packages/ngtools/webpack/src/ivy/plugin.ts
+++ b/packages/ngtools/webpack/src/ivy/plugin.ts
@@ -39,7 +39,7 @@ import { createAotTransformers, createJitTransformers, mergeTransformers } from
  */
 const DIAGNOSTICS_AFFECTED_THRESHOLD = 1;
 
-export const imageDomains = new Set<string>();
+export const imageDomains: Set<string> = new Set();
 
 export interface AngularWebpackPluginOptions {
   tsconfig: string;
diff --git a/packages/ngtools/webpack/src/ivy/symbol.ts b/packages/ngtools/webpack/src/ivy/symbol.ts
index a2bde7931053..6d884a256144 100644
--- a/packages/ngtools/webpack/src/ivy/symbol.ts
+++ b/packages/ngtools/webpack/src/ivy/symbol.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.dev/license
  */
 
-export const AngularPluginSymbol = Symbol.for('@ngtools/webpack[angular-compiler]');
+export const AngularPluginSymbol: unique symbol = Symbol.for('@ngtools/webpack[angular-compiler]');
 
 export interface EmitFileResult {
   content?: string;
diff --git a/packages/ngtools/webpack/src/loaders/inline-resource.ts b/packages/ngtools/webpack/src/loaders/inline-resource.ts
index b061f8e4156f..9bdde8cb0707 100644
--- a/packages/ngtools/webpack/src/loaders/inline-resource.ts
+++ b/packages/ngtools/webpack/src/loaders/inline-resource.ts
@@ -8,9 +8,11 @@
 
 import type { Compilation, LoaderContext } from 'webpack';
 
-export const InlineAngularResourceLoaderPath = __filename;
+export const InlineAngularResourceLoaderPath: string = __filename;
 
-export const InlineAngularResourceSymbol = Symbol('@ngtools/webpack[angular-resource]');
+export const InlineAngularResourceSymbol: unique symbol = Symbol(
+  '@ngtools/webpack[angular-resource]',
+);
 
 export interface CompilationWithInlineAngularResource extends Compilation {
   [InlineAngularResourceSymbol]: string;