Files
interview-demo-code/spa/src/components/Quantity.vue
2025-07-22 23:44:01 +03:00

56 lines
1.1 KiB
Vue

<template>
<div class="flex items-center text-center">
<button class="btn" :class="btnClassList" @click="dec" :disabled="disabled">-</button>
<div class="w-10 h-10 flex items-center justify-center font-bold">{{ model }}</div>
<button class="btn" :class="btnClassList" @click="inc" :disabled="disabled">+</button>
</div>
</template>
<script setup>
import {computed} from "vue";
const model = defineModel();
const props = defineProps({
max: Number,
size: {
type: String,
default: '',
},
disabled: {
type: Boolean,
default: false,
}
});
const btnClassList = computed(() => {
let classList = ['btn'];
if (props.size) {
classList.push(`btn-${props.size}`);
}
return classList;
});
function inc() {
if (props.disabled) return;
window.Telegram.WebApp.HapticFeedback.selectionChanged();
if (props.max && model.value + 1 > props.max) {
model.value = props.max;
return;
}
model.value++;
}
function dec() {
if (props.disabled) return;
window.Telegram.WebApp.HapticFeedback.selectionChanged();
if (model.value - 1 >= 1) {
model.value--;
}
}
</script>