chore: move babel preset-env options to .babelrc

Author: gchoqueux

.babelrc

@@ -1,5 +1,5 @@
 {
-    "presets": ["@babel/preset-env"],
+    "presets": [["@babel/preset-env", { "modules": "auto" }]],
     "plugins": [
         ["module-resolver",  { "root": ["./src"] } ],
         ["babel-plugin-inline-import", {

webpack.config.js

@@ -18,16 +18,7 @@ const debugBuild = mode === 'development';
 // Note that we don't support .babelrc in parent folders
 var babelrc = fs.readFileSync(path.resolve(__dirname, '.babelrc'));
 var babelConf = JSON.parse(babelrc);
-var newPresets = [];
-for (var preset of babelConf.presets) {
-    if (!Array.isArray(preset)) {
-        preset = [preset];
-    }
-    preset.push({ modules: false });
-    newPresets.push(preset);
-}
 
-babelConf.presets = newPresets;
 babelConf.babelrc = false; // disabel babelrc reading, as we've just done it
 const replacementPluginConf = babelConf.plugins.find(plugin => Array.isArray(plugin) && plugin[0] === 'minify-replace');
 replacementPluginConf[1].replacements.find(decl => decl.identifierName === '__DEBUG__').replacement.value = debugBuild;