set babel sourceType dynamically

Author: BenedyktT

src/config.js

@@ -25,6 +25,7 @@ module.exports = {
     // externals: "all"
     externals: ["knex", "sharp"],
     // Set default file extensions to use the raw-loader with
-    rawFileExtensions: ["pem", "txt"]
+    rawFileExtensions: ["pem", "txt"],
+    sourceType: "module" // "script" | "module" | "unambiguous"
   }
 };

src/webpack.config.js

@@ -36,6 +36,7 @@ const concatText = config.options.concatText;
 const forceExclude = config.options.forceExclude;
 const ignorePackages = config.options.ignorePackages;
 const rawFileExtensions = config.options.rawFileExtensions;
+const sourceType = config.options.sourceType;
 const fixPackages = convertListToObject(config.options.fixPackages);
 const tsConfigPath = path.resolve(servicePath, config.options.tsConfig);
 
@@ -138,6 +139,7 @@ function babelLoader() {
       // Disable compresisng cache files to speed up caching
       cacheCompression: false,
       plugins: plugins.map(require.resolve),
+      sourceType,
       presets: [
         [
           require.resolve("@babel/preset-env"),