Remove default

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "allowJs": true,
-    "sourceMap": false,
+    "sourceMap": true,
     "noImplicitAny": true,
     "noImplicitReturns": true,
     "noFallthroughCasesInSwitch": true,

webpack.config.js

@@ -11,6 +11,7 @@ const childProcess = require("child_process");
 const BundleAnalyzerPlugin = require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
 const TerserPlugin = require("terser-webpack-plugin");
 const isCI = require("is-ci");
+const webpack = require("webpack");
 
 const gitSha = childProcess.execSync("git rev-parse HEAD").toString("utf8");
 
@@ -104,6 +105,15 @@ module.exports = function(env = {}, argv = {}) {
     envVars.NODE_ENV = "development";
   }
 
+  const sourceMapPlugin =
+    mode === "development"
+      ? new webpack.EvalSourceMapDevToolPlugin({})
+      : new webpack.SourceMapDevToolPlugin({
+          // test: [".js", ".mjs", ".css", ".ts", ".tsx"],
+          filename: "[name].js.map",
+          exclude: [/vendor/]
+        });
+
   const plugins = [
     new CleanWebpackPlugin(["dist"]),
     new CreateFileWebpack({
@@ -164,7 +174,9 @@ module.exports = function(env = {}, argv = {}) {
     new CopyWebpackPlugin({
       patterns: [{ from: "DataExplorer.nuspec" }, { from: "web.config" }, { from: "quickstart/*.zip" }]
     }),
-    new EnvironmentPlugin(envVars)
+    new EnvironmentPlugin(envVars),
+    new webpack.optimize.LimitChunkCountPlugin({ maxChunks: 1 }),
+    sourceMapPlugin
   ];
 
   if (argv.analyze) {
@@ -194,7 +206,6 @@ module.exports = function(env = {}, argv = {}) {
       filename: "[name].[chunkhash:6].js",
       path: path.resolve(__dirname, "dist")
     },
-    devtool: mode === "development" ? "cheap-eval-source-map" : "source-map",
     plugins,
     module: {
       rules
@@ -206,6 +217,7 @@ module.exports = function(env = {}, argv = {}) {
       minimize: mode === "production" ? true : false,
       minimizer: [
         new TerserPlugin({
+          sourceMap: true,
           cache: ".cache/terser",
           terserOptions: {
             // These options increase our initial bundle size by ~5% but the builds are significantly faster and won't run out of memory