feat: add —format [html|json|tsv] option

Author: IjzerenHein

README.md

@@ -44,6 +44,7 @@ All command-line arguments are optional. By default a production build will be c
 | `dev`           | Dev or production build (default is **false**)                                                                                                                | `--dev false`                     |
 | `entry-file`    | Entry-file (when omitted tries to auto-resolve it)                                                                                                            | `--entry-file ./index.android.js` |
 | `bundle-output` | Output bundle-file (default is **tmp**)                                                                                                                       | `--bundle-output ./myapp.bundle`  |
+| `format`        | Output format **html**, **json** or **tsv** (default is **html**) (see [source-map-explorer options](https://github.com/danvk/source-map-explorer#options))   | `--format json`                   |
 | `verbose`       | Dumps additional output to the console (default is **false**)                                                                                                 | `--verbose`                       |
 | `reset-cache`   | Removes cached react-native files (default is **false**)                                                                                                      | `--reset-cache`                   |
 

src/react-native-bundle-visualizer.js

@@ -47,7 +47,8 @@ const resetCache = argv['reset-cache'] || false;
 const bundleOutput =
   argv['bundle-output'] || tmpDir + '/' + platform + '.bundle';
 const bundleOutputSourceMap = bundleOutput + '.map';
-const bundleOutputExplorerHTML = tmpDir + '/output/explorer.html';
+const format = argv.format || 'html';
+const bundleOutputExplorerFile = tmpDir + '/output/explorer.' + format;
 
 // Make sure the temp dir exists
 if (!fs.existsSync(baseDir)) fs.mkdirSync(baseDir);
@@ -128,14 +129,14 @@ bundlePromise
         },
         {
           output: {
-            format: 'html',
-            filename: bundleOutputExplorerHTML,
+            format,
+            filename: bundleOutputExplorerFile,
           },
         }
       );
     }
 
-    // Log info and open html file
+    // Log info and open output file
   )
   .then((result) => {
     if (verbose) {
@@ -159,6 +160,6 @@ bundlePromise
       });
     }
 
-    // Open html file
-    return open(bundleOutputExplorerHTML);
+    // Open output file
+    return open(bundleOutputExplorerFile);
   });