Split jslib into multiple modules (#363)

* Split jslib into multiple modules

electron/src/biometric.darwin.main.ts

@@ -0,0 +1,35 @@
+import { I18nService, StorageService } from 'jslib-common/abstractions';
+
+import { ipcMain, systemPreferences } from 'electron';
+import { BiometricMain } from 'jslib-common/abstractions/biometric.main';
+import { ConstantsService } from 'jslib-common/services/constants.service';
+import { ElectronConstants } from './electronConstants';
+
+export default class BiometricDarwinMain implements BiometricMain {
+    isError: boolean = false;
+
+    constructor(private storageService: StorageService, private i18nservice: I18nService) {}
+
+    async init() {
+        this.storageService.save(ElectronConstants.enableBiometric, await this.supportsBiometric());
+        this.storageService.save(ConstantsService.biometricText, 'unlockWithTouchId');
+        this.storageService.save(ElectronConstants.noAutoPromptBiometricsText, 'noAutoPromptTouchId');
+
+        ipcMain.on('biometric', async (event: any, message: any) => {
+            event.returnValue = await this.requestCreate();
+        });
+    }
+
+    supportsBiometric(): Promise<boolean> {
+        return Promise.resolve(systemPreferences.canPromptTouchID());
+    }
+
+    async requestCreate(): Promise<boolean> {
+        try {
+            await systemPreferences.promptTouchID(this.i18nservice.t('touchIdConsentMessage'));
+            return true;
+        } catch {
+            return false;
+        }
+    }
+}