fix: set minify to false (#117)

* fix: allow minify for expo projects only

* fix: added default false value to isExpo

* docs: add expo args information

Author: hurali97

README.md

@@ -48,10 +48,11 @@ All command-line arguments are optional. By default a production build will be c
 | `only-mapped`   | Exclude "unmapped" bytes from the output (default is **false**). This will result in total counts less than the file size.                                   | `--only-mapped`                  |
 | `verbose`       | Dumps additional output to the console (default is **false**)                                                                                                | `--verbose`                      |
 | `reset-cache`   | Removes cached react-native files (default is **false**)                                                                                                     | `--reset-cache`                  |
+| `--expo`   | Set this to true/ false based on whether using expo or not. For eg, set `--expo true` when using expo. Not required to pass this for react-native cli. (default is **false**)                                                                                                     | `--expo false`                  |
 
 [smeo]: https://github.com/danvk/source-map-explorer#options
 
-> The `--expo` command is no longer needed for Expo SDK 41 or higher; and has been removed. Use [react-native-bundle-visualizer@2](https://github.com/IjzerenHein/react-native-bundle-visualizer/tree/v2) when targetting Expo SDK 40 or lower.
+>Use [react-native-bundle-visualizer@2](https://github.com/IjzerenHein/react-native-bundle-visualizer/tree/v2) when targetting Expo SDK 40 or lower.
 
 ## Version compatibility
 

package.json

@@ -31,6 +31,6 @@
   "scripts": {
     "test": "yarn test:rn && yarn test:expo",
     "test:rn": "cd test/RN64 && yarn install && npx ../.. && cd ../..",
-    "test:expo": "cd test/Expo42 && yarn install && npx ../.. && cd ../.."
+    "test:expo": "cd test/Expo42 && yarn install && npx ../.. --expo=true && cd ../.."
   }
 }

src/react-native-bundle-visualizer.js

@@ -59,7 +59,7 @@ const tmpDir = path.join(baseDir, getAppName());
 const outDir = path.join(tmpDir, 'output');
 const entryFile = argv['entry-file'] || getEntryPoint();
 const platform = argv.platform || 'ios';
-const expoTargetDeprecated = argv.expo || '';
+const isExpo = argv.expo || false;
 const dev = argv.dev || false;
 const verbose = argv.verbose || false;
 const resetCache = argv['reset-cache'] || false;
@@ -95,21 +95,14 @@ const commands = [
   bundleOutput,
   '--sourcemap-output',
   bundleOutputSourceMap,
+  '--minify',
+  isExpo
 ];
 if (resetCache) {
   commands.push('--reset-cache');
   commands.push(resetCache);
 }
 
-// Warn about `--expo` deprecation
-if (expoTargetDeprecated) {
-  console.error(
-    chalk.red.bold(
-      'The "--expo" command is no longer needed for Expo SDK 41 or higher. When using Expo SDK 40 or lower, please use `react-native-bundle-visualizer@2`.'
-    )
-  );
-}
-
 const reactNativeBin = getReactNativeBin();
 const bundlePromise = execa(reactNativeBin, commands);
 bundlePromise.stdout.pipe(process.stdout);
@@ -188,4 +181,7 @@ bundlePromise
 
     // Open output file
     return open(bundleOutputExplorerFile);
-  });
+  }).catch(error => console.log(
+    chalk.red('=== error ==='),
+    error
+  ));