Created
February 18, 2023 19:09
-
-
Save nicolasmontielf/49b80af5b78d0801069b746f7d57d858 to your computer and use it in GitHub Desktop.
Example of a shopping cart component written using the Vue Composition API
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<template> | |
<h3>Cart component</h3> | |
<OtherComponent /> | |
</template> | |
<script setup> | |
import OtherComponent from './OtherComponent.vue' | |
import { computed, ref, watch, onMounted } from 'vue' | |
const props = defineProps({ | |
userId: { | |
type: String, | |
required: true, | |
}, | |
cartId: { | |
type: String, | |
required: true, | |
}, | |
}) | |
const emit = defineEmits(['checkout']) | |
const items = ref([]) // { id, name, price, quantity } | |
const maybeAConstantObject = { | |
someKey: 'someValue', | |
anotherKey: 'anotherValue' | |
} | |
function addItem(item) { | |
items.value.push(item); | |
} | |
function removeItem(item) { | |
items.value.splice(items.indexOf(item), 1); | |
} | |
function clear() { | |
items.value = []; | |
} | |
function proceedToCheckout() { | |
emit('checkout', items.value); | |
} | |
const itemsCount = computed(() => { | |
return items.value.length; | |
}) | |
const total = computed(() => { | |
return items.value.reduce((total, item) => total +(item.price * item.quantity), 0); | |
}) | |
const isEmpty = computed(() => { | |
return items.length === 0; | |
}) | |
watch(items, () => { | |
console.log('Cart items changed') | |
}), | |
// Created | |
console.log('Cart created') | |
onMounted(() => { | |
fetch('/api/cart/' + props.cartId) | |
.then(response => response.json()) | |
.then(items => items.value = items) | |
.catch(error => console.error(error)); | |
}) | |
</script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment