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perf(frontend): tweak MkRange

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syuilo 2025-03-30 18:13:39 +09:00
parent 6e929ece6f
commit e0d8702839
1 changed files with 2 additions and 1 deletions
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packages/frontend/src/components/MkRange.vue
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@ -159,12 +159,13 @@ function onMousedown(ev: MouseEvent | TouchEvent) {
const onDrag = (ev: MouseEvent | TouchEvent) => { const onDrag = (ev: MouseEvent | TouchEvent) => {
ev.preventDefault(); ev.preventDefault();
let beforeValue = finalValue.value;
const containerRect = containerEl.value!.getBoundingClientRect(); const containerRect = containerEl.value!.getBoundingClientRect();
const pointerX = 'touches' in ev && ev.touches.length > 0 ? ev.touches[0].clientX : 'clientX' in ev ? ev.clientX : 0; const pointerX = 'touches' in ev && ev.touches.length > 0 ? ev.touches[0].clientX : 'clientX' in ev ? ev.clientX : 0;
const pointerPositionOnContainer = pointerX - (containerRect.left + (thumbWidth / 2)); const pointerPositionOnContainer = pointerX - (containerRect.left + (thumbWidth / 2));
rawValue.value = Math.min(1, Math.max(0, pointerPositionOnContainer / (containerEl.value!.offsetWidth - thumbWidth))); rawValue.value = Math.min(1, Math.max(0, pointerPositionOnContainer / (containerEl.value!.offsetWidth - thumbWidth)));
if (props.continuousUpdate) { if (props.continuousUpdate && beforeValue !== finalValue.value) {
emit('update:modelValue', finalValue.value); emit('update:modelValue', finalValue.value);
} }
}; };