Vue 3 vs Aurelia 2 Comparison

Declare state

Vue 3

<script setup>
import { ref } from "vue";
const name = ref("John");
</script>

<template>
  <h1>Hello {{ name }}</h1>
</template>

Aurelia 2

<!-- name.html -->
<h1>Hello ${name}</h1>
// name.ts
export class NameCustomElement {
  name = "John";
}

Update state

Vue 3

<script setup>
import { ref } from "vue";
const name = ref("John");
name.value = "Jane";
</script>

<template>
  <h1>Hello {{ name }}</h1>
</template>

Aurelia 2

<!-- name.html -->
<h1>Hello ${name}</h1>
// name.ts
export class NameCustomElement {
  name = "John";

  constructor() {
    this.name = "Jane";
  }
}

Computed state

Vue 3

<script setup>
import { ref, computed } from "vue";
const count = ref(10);
const doubleCount = computed(() => count.value * 2);
</script>

<template>
  <div>{{ doubleCount }}</div>
</template>

Aurelia 2

<!-- double-count.html -->
<div>${doubleCount}</div>
// double-count.ts
export class DoubleCountCustomElement {
  count = 10;

  get doubleCount() {
    return this.count * 2;
  }
}

Templating

Minimal template

Vue 3

<template>
  <h1>Hello world</h1>
</template>

Aurelia 2

<!-- hello-world.html -->
<h1>Hello world</h1>

Styling

Vue 3

<template>
  <h1 class="title">I am red</h1>
  <button style="font-size: 10rem">I am a button</button>
</template>

<style scoped>
.title {
  color: red;
}
</style>

Aurelia 2

/* css-style.css */
.title {
  color: red;
}
<!-- css-style.html -->
<h1 class="title">I am red</h1>
<button style="font-size: 10rem">I am a button</button>

Loop

Vue 3

<script setup>
const colors = ["red", "green", "blue"];
</script>

<template>
  <ul>
    <li v-for="color in colors" :key="color">
      {{ color }}
    </li>
  </ul>
</template>

Aurelia 2

<!-- colors.html -->
<ul>
  <li repeat.for="color of colors">${color}</li>
</ul>
// colors.ts
export class ColorsCustomElement {
  colors = ["red", "green", "blue"];
}

Event click

Vue 3

<script setup>
import { ref } from "vue";
const count = ref(0);

function incrementCount() {
  count.value++;
}
</script>

<template>
  <p>Counter: {{ count }}</p>
  <button @click="incrementCount">+1</button>
</template>

Aurelia 2

<!-- counter.html -->
<p>Counter: ${count}</p>
<button click.trigger="incrementCount()">+1</button>
// counter.ts
export class CounterCustomElement {
  count = 0;

  incrementCount() {
    this.count++;
  }
}

DOM ref

Vue 3

<script setup>
import { useTemplateRef, onMounted } from "vue";

const inputElement = useTemplateRef("inputElement");

onMounted(() => {
  inputElement.value.focus();
});
</script>

<template>
  <input ref="inputElement" />
</template>

Aurelia 2

<!-- input-focused.html -->
<input ref="inputElement" />
// input-focused.ts
export class InputFocusedCustomElement {
  inputElement: HTMLInputElement;

  attached() {
    this.inputElement.focus();
  }
}

Conditional

Vue 3

<script setup>
import { ref, computed } from "vue";
const TRAFFIC_LIGHTS = ["red", "orange", "green"];
const lightIndex = ref(0);

const light = computed(() => TRAFFIC_LIGHTS[lightIndex.value]);

function nextLight() {
  lightIndex.value = (lightIndex.value + 1) % TRAFFIC_LIGHTS.length;
}
</script>

<template>
  <button @click="nextLight">Next light</button>
  <p>Light is: {{ light }}</p>
  <p>
    You must
    <span v-if="light === 'red'">STOP</span>
    <span v-else-if="light === 'orange'">SLOW DOWN</span>
    <span v-else-if="light === 'green'">GO</span>
  </p>
</template>

Aurelia 2

<!-- traffic-light.html -->
<button click.trigger="nextLight()">Next light</button>
<p>Light is: ${light}</p>
<p switch.bind="light">
  You must
  <span case="red">STOP</span>
  <span case="orange">SLOW DOWN</span>
  <span case="green">GO</span>
</p>
// traffic-light.ts
export class TrafficLightCustomElement {
  private TRAFFIC_LIGHTS = ["red", "orange", "green"];
  private lightIndex = 0;

  get light() {
    return this.TRAFFIC_LIGHTS[this.lightIndex];
  }

  nextLight() {
    this.lightIndex = (this.lightIndex + 1) % this.TRAFFIC_LIGHTS.length;
  }
}

Lifecycle

On mount

Vue 3

<script setup>
import { ref, onMounted } from "vue";
const pageTitle = ref("");
onMounted(() => {
  pageTitle.value = document.title;
});
</script>

<template>
  <p>Page title: {{ pageTitle }}</p>
</template>

Aurelia 2

<!-- page-title.html -->
<p>Page title is: ${pageTitle}</p>
// page-title.ts
export class PageTitleCustomElement {
  pageTitle = "";

  attached() {
    this.pageTitle = document.title;
  }
}

On unmount

Vue 3

<script setup>
import { ref, onUnmounted } from "vue";

const time = ref(new Date().toLocaleTimeString());

const timer = setInterval(() => {
  time.value = new Date().toLocaleTimeString();
}, 1000);

onUnmounted(() => {
  clearInterval(timer);
});
</script>

<template>
  <p>Current time: {{ time }}</p>
</template>

Aurelia 2

<!-- time.html -->
<p>Current time: ${time}</p>
// time.ts
export class TimeCustomElement {
  time = new Date().toLocaleTimeString();
  private timer: number;

  attached() {
    this.timer = setInterval(() => {
      this.time = new Date().toLocaleTimeString();
    }, 1000);
  }

  detached() {
    clearInterval(this.timer);
  }
}

Component composition

Props

Vue 3

<script setup>
import UserProfile from "./UserProfile.vue";
</script>

<template>
  <UserProfile
    name="John"
    :age="20"
    :favourite-colors="['green', 'blue', 'red']"
    is-available
  />
</template>

Aurelia 2

<!-- app.html -->
<user-profile
  name.bind="name"
  age.bind="age"
  favourite-colors.bind="colors"
  is-available.bind="available"
></user-profile>
// app.ts
export class AppCustomElement {
  name = "John";
  age = 20;
  colors = ["green", "blue", "red"];
  available = true;
}

Emit to parent

Vue 3

<script setup>
import { ref } from "vue";
import AnswerButton from "./AnswerButton.vue";

let isHappy = ref(true);

function onAnswerNo() {
  isHappy.value = false;
}

function onAnswerYes() {
  isHappy.value = true;
}
</script>

<template>
  <p>Are you happy?</p>
  <AnswerButton @yes="onAnswerYes" @no="onAnswerNo" />
  <p style="font-size: 50px">
    {{ isHappy ? "😀" : "😥" }}
  </p>
</template>

Aurelia 2

<!-- app.html -->
<p>Can I come ?</p>
<answer-button action-handler.bind="handleAnswer"></answer-button>
<p style="font-size: 50px">${isHappy ? "😀" : "😥"}</p>
// app.ts
export class AppCustomElement {
  isHappy = true;

  handleAnswer(answer: boolean) {
    this.isHappy = answer;
  }
}

Slot

Vue 3

<script setup>
import FunnyButton from "./FunnyButton.vue";
</script>

<template>
  <FunnyButton> Click me! </FunnyButton>
</template>

Aurelia 2

<!-- app.html -->
<funny-button>Click me !</funny-button>

Slot fallback

Vue 3

<script setup>
import FunnyButton from "./FunnyButton.vue";
</script>

<template>
  <FunnyButton />
  <FunnyButton> I got content! </FunnyButton>
</template>

Aurelia 2

<!-- app.html -->
<funny-button></funny-button>
<funny-button>Click me !</funny-button>

Form input

Input text

Vue 3

<script setup>
import { ref } from "vue";
const text = ref("Hello World");
</script>

<template>
  <p>{{ text }}</p>
  <input v-model="text" />
</template>

Aurelia 2

<!-- input-hello.html -->
<p>${text}</p>
<input value.bind="text" />
// input-hello.ts
export class InputHelloCustomElement {
  text = "Hello World";
}

Checkbox

Vue 3

<script setup>
import { ref } from "vue";

const isAvailable = ref(true);
</script>

<template>
  <input id="is-available" v-model="isAvailable" type="checkbox" />
  <label for="is-available">Is available</label>
</template>

Aurelia 2

<!-- is-available.html -->
<input id="is-available" type="checkbox" checked.bind="isAvailable" />
<label for="is-available">Is available</label>: ${isAvailable}
// is-available.ts
export class IsAvailableCustomElement {
  isAvailable = true;
}

Radio

Vue 3

<script setup>
import { ref } from "vue";

const picked = ref("red");
</script>

<template>
  <div>Picked: {{ picked }}</div>

  <input id="blue-pill" v-model="picked" type="radio" value="blue" />
  <label for="blue-pill">Blue pill</label>

  <input id="red-pill" v-model="picked" type="radio" value="red" />
  <label for="red-pill">Red pill</label>
</template>

Aurelia 2

<!-- pick-pill.html -->
<div>Picked: ${picked}</div>

<input id="blue-pill" checked.bind="picked" type="radio" value="blue" />
<label for="blue-pill">Blue pill</label>

<input id="red-pill" checked.bind="picked" type="radio" value="red" />
<label for="red-pill">Red pill</label>
// pick-pill.ts
export class PickPillCustomElement {
  picked = "red";
}

Select

Vue 3

<script setup>
import { ref } from "vue";

const selectedColorId = ref(2);

const colors = [
  { id: 1, text: "red" },
  { id: 2, text: "blue" },
  { id: 3, text: "green" },
  { id: 4, text: "gray", isDisabled: true },
];
</script>

<template>
  <select v-model="selectedColorId">
    <option
      v-for="color in colors"
      :key="color.id"
      :value="color.id"
      :disabled="color.isDisabled"
    >
      {{ color.text }}
    </option>
  </select>
</template>

Aurelia 2

<!-- color-select.html -->
<select value.bind="selectedColorId">
  <option value="">Select A Color</option>
  <option
    repeat.for="color of colors"
    value.bind="color.id"
    disabled.bind="color.isDisabled"
  >
    ${color.text}
  </option>
</select>
// color-select.ts
export class ColorSelectCustomElement {
  selectedColorId = 2;
  colors = [
    { id: 1, text: "red" },
    { id: 2, text: "blue" },
    { id: 3, text: "green" },
    { id: 4, text: "gray", isDisabled: true },
  ];
}

Webapp features

Render app

Vue 3

<!DOCTYPE html>
<html>
  <body>
    <div id="app"></div>
    <script type="module" src="./main.js"></script>
  </body>
</html>

Aurelia 2

<!DOCTYPE html>
<html>
  <head>
    <script type="module" src="./main.ts"></script>
  </head>

  <body>
    <app></app>
  </body>
</html>

Fetch data

Vue 3

<script setup>
import useFetchUsers from "./useFetchUsers";

const { isLoading, error, data: users } = useFetchUsers();
</script>

<template>
  <p v-if="isLoading">Fetching users...</p>
  <p v-else-if="error">An error ocurred while fetching users</p>
  <ul v-else-if="users">
    <li v-for="user in users" :key="user.login.uuid">
      <img :src="user.picture.thumbnail" alt="user" />
      <p>
        {{ user.name.first }}
        {{ user.name.last }}
      </p>
    </li>
  </ul>
</template>

Aurelia 2

<!-- app.html -->
<template promise.bind="useFetchUsers.fetchData()">
  <p pending>Fetching users...</p>
  <p catch>An error ocurred while fetching users</p>
  <ul then.from-view="users">
    <li repeat.for="user of users">
      <img src.bind="user.picture.thumbnail" alt="user" />
      <p>${ user.name.first } ${ user.name.last }</p>
    </li>
  </ul>
</template>
// app.ts
import { UseFetchUsers } from "./UseFetchUsers";

export class AppCustomElement {
  constructor(private useFetchUsers: UseFetchUsers) {}
}






Decouvrez plus d’Offres de la plateform ItGalaxy.io :

Découvrez notre gamme complète de services et formations pour accélérer votre carrière.

1. Nous contactez

  • Description: Besoin de Formation et des Solutions cloud complètes pour vos applications
  • Links:

2. Infra as a Service

  • Description: Infrastructure cloud évolutive et sécurisée
  • Links:

3. Projets Développeurs


4. Développeurs


5. Formations Complètes


6. Marketplace

7. Blogs


This website is powered by ItGalaxy.io