feat: resolve tsconfig project references for included paths

packages/storybook-webpack-angular-types-plugin/src/lib/webpack-angular-types-plugin/plugin.ts

@@ -1,7 +1,7 @@
 import { getTsconfig, TsConfigJsonResolved } from 'get-tsconfig';
 import * as micromatch from 'micromatch';
+import * as fs from 'fs';
 import * as path from 'path';
-import * as process from 'process';
 import { Project } from 'ts-morph';
 import { Compiler, Module } from 'webpack';
 import { DEFAULT_TS_CONFIG_PATH, PLUGIN_NAME } from '../constants';
@@ -308,16 +308,49 @@ export class WebpackAngularTypesPlugin {
 	private getIncludedPathsFromTsconfig(
 		tsconfigPath: string,
 		tsconfig: TsConfigJsonResolved,
+		visited = new Set<string>(),
 	): string[] {
-		const tsConfigRootDir = path.join(process.cwd(), tsconfigPath, '..');
+		const resolvedTsconfigPath = path.resolve(tsconfigPath);
+		if (visited.has(resolvedTsconfigPath)) return [];
+		visited.add(resolvedTsconfigPath);
+
+		const tsConfigRootDir = path.resolve(tsconfigPath, '..');
 
 		const includedPaths = tsconfig.include || [];
 		const excludedPaths = tsconfig.exclude || [];
 
-		return [
+		const ownPaths = [
 			...this.transformToAbsolutePaths(tsConfigRootDir, includedPaths),
 			...this.transformToAbsolutePaths(tsConfigRootDir, excludedPaths).map(this.negateGlob),
 		].map(this.toUnixPath);
+
+		const rawReferences = this.readRawTsconfigReferences(resolvedTsconfigPath);
+		const referencedPaths = rawReferences.flatMap((ref) => {
+			let refTsconfigPath = path.isAbsolute(ref.path)
+				? ref.path
+				: path.join(tsConfigRootDir, ref.path);
+
+			if (!refTsconfigPath.endsWith('.json')) {
+				refTsconfigPath = path.join(refTsconfigPath, 'tsconfig.json');
+			}
+
+			const refConfig = getTsconfig(refTsconfigPath)?.config;
+			if (!refConfig) return [];
+
+			return this.getIncludedPathsFromTsconfig(refTsconfigPath, refConfig, visited);
+		});
+
+		return [...ownPaths, ...referencedPaths];
+	}
+
+	private readRawTsconfigReferences(tsconfigPath: string): { path: string }[] {
+		try {
+			const content = fs.readFileSync(tsconfigPath, 'utf8');
+			const json = content.replace(/\/\/[^\n]*/g, '').replace(/,(\s*[}\]])/g, '$1');
+			return JSON.parse(json).references || [];
+		} catch {
+			return [];
+		}
 	}
 
 	private transformToAbsolutePaths(base: string, paths: string[]): string[] {