@djirdehh

A Full Day of Vue.js

Extras (Vue 3.0)

Vue 3.0?!

When ? | What ? | Where ?

Vue 2.0 came out more than two years ago

Vue 3.0 is currently in the prototyping phase

Class-Based Components?

interface HelloProps {
  text: string
}

class Hello extends Component<HelloProps> {
  count = 0

  render() {
    return <div>
      {this.count}
      {this.$props.text}
    </div>
  }
}

Class-based component proposal has been dropped

Details

Current proposal - Composition API

Composition API

A set of additive, function-based APIs that allow flexible composition of component logic.

<template>
  <button @click="increment">
    Count is: {{ state.count }}, double is: {{ state.double }}
  </button>
</template>

<script>
import { reactive, computed } from 'vue'

export default {
  setup() {
    const state = reactive({
      count: 0,
      double: computed(() => state.count * 2)
    })

    function increment() {
      state.count++
    }

    return {
      state,
      increment
    }
  }
}
</script>