fix(expo): fix the buildable library (#14142)

e2e/expo/src/expo.test.ts

@@ -1,4 +1,5 @@
 import {
+  checkFilesExist,
   cleanupProject,
   expectTestsPass,
   newProject,
@@ -47,4 +48,21 @@ describe('expo', () => {
       'Export was successful. Your exported files can be found'
     );
   }, 1000000);
+
+  it('should build publishable library', async () => {
+    const libName = uniq('lib');
+    const componentName = uniq('component');
+
+    runCLI(
+      `generate @nrwl/expo:library ${libName} --buildable --publishable --importPath=${proj}/${libName}`
+    );
+    runCLI(
+      `generate @nrwl/expo:component ${componentName} --project=${libName} --export`
+    );
+    expect(() => {
+      runCLI(`build ${libName}`);
+      checkFilesExist(`dist/libs/${libName}/index.js`);
+      checkFilesExist(`dist/libs/${libName}/src/index.d.ts`);
+    }).not.toThrow();
+  });
 });

packages/expo/src/generators/library/files/lib/babel.config.json

@@ -1,3 +1,17 @@
 {
+  "presets": [
+    [
+      "@nrwl/react/babel",
+      {
+        "runtime": "automatic",
+        "useBuiltIns": "usage"
+      }
+    ]
+  ],
+  "plugins": [],
+  "env": {
+    "test": {
       "presets": ["babel-preset-expo"]
     }
+  }
+}

packages/expo/src/generators/library/library.spec.ts

@@ -235,7 +235,7 @@ describe('lib', () => {
         executor: '@nrwl/web:rollup',
         outputs: ['{options.outputPath}'],
         options: {
-          external: ['react/jsx-runtime'],
+          external: ['react/jsx-runtime', 'react-native'],
           entryFile: 'libs/my-lib/src/index.ts',
           outputPath: 'dist/libs/my-lib',
           project: 'libs/my-lib/package.json',

packages/expo/src/generators/library/library.ts

@@ -79,7 +79,7 @@ function addProject(host: Tree, options: NormalizedSchema) {
 
   if (options.publishable || options.buildable) {
     const { libsDir } = getWorkspaceLayout(host);
-    const external = ['react/jsx-runtime'];
+    const external = ['react/jsx-runtime', 'react-native'];
 
     targets.build = {
       executor: '@nrwl/web:rollup',