refactor: simplify project file lookup

packages/webpack5/src/bin/index.ts

@@ -1,4 +1,4 @@
-#!/usr/bin/env node
+#!/bin/env node
 
 import { redBright, green, greenBright } from 'chalk';
 import { program } from 'commander';

packages/webpack5/src/configuration/svelte.ts

@@ -1,6 +1,6 @@
 import Config from 'webpack-chain';
 
-import { getProjectRootPath } from '../helpers/project';
+import { getProjectFilePath, getProjectRootPath } from '../helpers/project';
 import { getPlatformName } from '../helpers/platform';
 import { env as _env, IWebpackEnv } from '../index';
 import { error } from '../helpers/log';
@@ -52,15 +52,16 @@ function getSvelteConfigPreprocessor(): any {
 	return config?.preprocess;
 }
 
-function getSvelteConfig(): { preprocess: any } | undefined {
+interface ISvelteConfig {
+	preprocess: any
+}
+
+function getSvelteConfig(): ISvelteConfig | undefined {
 	try {
-		const resolvedPath = require.resolve(`./svelte.config.js`, {
-			paths: [getProjectRootPath()],
-		});
-		return require(resolvedPath);
+		return require(
+			getProjectFilePath('svelte.config.js')
+		) as ISvelteConfig;
 	} catch (err) {
-		// todo: remove when jest supports mocking require.resolve
-		if (__TEST__) return;
 		error('Could not find svelte.config.js.', err);
 	}
 }

packages/webpack5/src/globals.d.ts

@@ -1 +1 @@
-declare var __TEST__: boolean;
+// define globals here

packages/webpack5/src/helpers/project.ts

@@ -19,7 +19,15 @@ interface IPackageJson {
  * Utility function to get the contents of the project package.json
  */
 export function getPackageJson() {
-	const packageJsonPath = resolve(getProjectRootPath(), 'package.json');
-
-	return require(packageJsonPath) as IPackageJson;
+	return require(
+		getProjectFilePath('package.json')
+	) as IPackageJson;
+}
+
+/**
+ * Utility to get project files relative to the project root.
+ * @param filePath path to get
+ */
+export function getProjectFilePath(filePath: string): string {
+	return resolve(getProjectRootPath(), filePath);
 }