Let Metro handle import/export instead of Babel (#1772)

* Let Metro handle import/export instead of Babel * Keep using Babel for ESM->CJS in tests
2023-10-30 21:54:23 +00:00
parent 6c11c0b81d
commit 84ee64025f
2 changed files with 16 additions and 0 deletions
@@ -1,11 +1,17 @@
 module.exports = function (api) {
  api.cache(true)
+  const isTestEnv = process.env.NODE_ENV === 'test'
  return {
    presets: [
      [
        'babel-preset-expo',
        {
          lazyImports: true,
+          native: {
+            // Disable ESM -> CJS compilation because Metro takes care of it.
+            // However, we need it in Jest tests since those run without Metro.
+            disableImportExportTransform: !isTestEnv,
+          },
        },
      ],
    ],