Vue Cli

Question 1

Vue CLI definition:

Answer 1

Vue CLI is a full system for rapid Vue.js development, providing:

Interactive project scaffolding via @vue/cli.
Zero config rapid prototyping via @vue/cli + @vue/cli-service-global.
A runtime dependency (@vue/cli-service) that is:
Upgradeable;
Built on top of webpack, with sensible defaults;
Configurable via in-project config file;
Extensible via plugins
A rich collection of official plugins integrating the best tools in the frontend ecosystem.
A full graphical user interface to create and manage Vue.js projects.

Question 2

Custom Events

Answer 2

Supongamos que el componente hijo desea modificar algún dato del elemento padre, para esta operación tenemos que emitir un evento que se encuentre previamente configurado en el componente padre.

Padre:

methods: {
        agregarSaldo() {
            this.saldo = this.saldo + 100
        },
        disminuirSaldo() {
            if (this.saldo === 0) {
                alert('llegaste al final')
                return
            }

Hijo:

{{texto}}

  methods: {
        accion(){
            this.$emit('accion')
        }
    }

https://bluuweb.github.io/vue-udemy/02-cli/#custom-events