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45 changes: 45 additions & 0 deletions __tests__/nativeModules.test.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,45 @@
/**
* Tests that importing the native module bindings does not throw when the
* native side is unavailable (Expo Go, Jest, web bundles, prebuilds before
* pods are installed).
*/

describe('nativeModules', () => {
afterEach(() => {
jest.resetModules();
jest.dontMock('react-native');
});

test('falls back to empty objects when native modules are missing', () => {
jest.doMock('react-native', () => ({
NativeModules: {},
TurboModuleRegistry: { get: () => null },
}));

let modules: typeof import('../src/nativeModules') | undefined;
expect(() => {
modules = require('../src/nativeModules');
}).not.toThrow();

expect(modules?.IntercomModule).toEqual({});
expect(modules?.IntercomEventEmitter).toEqual({});
});

test('uses the registered native modules when they are available', () => {
const intercomModule = { initialize: jest.fn() };
const intercomEventEmitter = { UNREAD_COUNT_CHANGE_NOTIFICATION: 'event' };

jest.doMock('react-native', () => ({
NativeModules: {
IntercomModule: intercomModule,
IntercomEventEmitter: intercomEventEmitter,
},
TurboModuleRegistry: { get: () => null },
}));

const modules = require('../src/nativeModules');

expect(modules.IntercomModule).toBe(intercomModule);
expect(modules.IntercomEventEmitter).toBe(intercomEventEmitter);
});
});
9 changes: 5 additions & 4 deletions src/nativeModules.ts
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,9 @@ function isTurboModuleAvailable(name: string) {
}
}

export const IntercomModule = isTurboModuleAvailable('IntercomModule')
? require('./NativeIntercomSpec').default
: NativeModules.IntercomModule;
export const IntercomModule =
(isTurboModuleAvailable('IntercomModule')
? require('./NativeIntercomSpec').default
: NativeModules.IntercomModule) ?? {};

export const IntercomEventEmitter = NativeModules.IntercomEventEmitter;
export const IntercomEventEmitter = NativeModules.IntercomEventEmitter ?? {};