Executei o comando ionic cordova plugin add cordova-plugin-vibration@2.1.6 e foi sem problemas Logo em seguida executei: npm install --save @ionic-native/vibration Aí apreceu isso:
aluracar@0.0.1 C:\Alura\aluracar +-- UNMET PEER DEPENDENCY @ionic-native/core@4.3.2 +-- @ionic-native/vibration@5.15.0 `-- UNMET PEER DEPENDENCY rxjs@5.4.3
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\chokidar\node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.7 (node_modules\watchpack\node_modules\chokidar\node_modules\fsevents): npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}) npm WARN @ionic-native/vibration@5.15.0 requires a peer of rxjs@^5.5.0 || ^6.5.0 but none was installed. npm WARN @ionic-native/vibration@5.15.0 requires a peer of @ionic-native/core@^5.1.0 but none was installed.
No cadastro.ts não reconhece no construtor a classe Vibration
