Remove webpack.*.ts importing values from src/ (#4992)

webpack/vars.ts

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import assert from "assert";
+import path from "path";
+import packageInfo from "../package.json";
+
+export const isDevelopment = process.env.NODE_ENV !== "production";
+export const mainDir = path.join(process.cwd(), "src", "main");
+export const buildDir = path.join(process.cwd(), "static", "build");
+export const extensionEntry = path.join(process.cwd(), "src", "extensions", "extension-api.ts");
+export const extensionOutDir = path.join(process.cwd(), "src", "extensions", "npm", "extensions", "dist");
+export const assetsFolderName = "assets";
+export const rendererDir = path.join(process.cwd(), "src", "renderer");
+export const appName = isDevelopment
+  ? `${packageInfo.productName}Dev`
+  : packageInfo.productName;
+export const htmlTemplate = path.resolve(rendererDir, "template.html");
+export const publicPath = "/build/";
+export const sassCommonVars = path.resolve(rendererDir, "components/vars.scss");
+export const webpackDevServerPort = Number(process.env.WEBPACK_DEV_SERVER_PORT) || 9191;
+
+assert(Number.isInteger(webpackDevServerPort), "WEBPACK_DEV_SERVER_PORT environment variable must only be an integer");