perf: ⚡ MkPageHeader perf
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ThatOneCalculator
parent
cdf9a03604
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4ed1b80d68
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@ -34,7 +34,7 @@
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</template>
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<script lang="ts" setup>
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import { computed, onMounted, onUnmounted, ref, inject, watch, shallowReactive, nextTick, reactive } from 'vue';
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import { computed, onMounted, onUnmounted, ref, inject, watch, shallowReactive, nextTick } from 'vue';
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import tinycolor from 'tinycolor2';
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import { popupMenu } from '@/os';
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import { scrollToTop } from '@/scripts/scroll';
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@ -71,17 +71,17 @@ const metadata = injectPageMetadata();
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const hideTitle = inject('shouldOmitHeaderTitle', false);
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const thin_ = props.thin || inject('shouldHeaderThin', false);
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const el = $ref<HTMLElement | null>(null);
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const tabRefs = {};
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const tabHighlightEl = $ref<HTMLElement | null>(null);
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const tabsEl = $ref<HTMLElement | null>(null);
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const bg = ref(null);
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let narrow = $ref(false);
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const el = ref<HTMLElement | null>(null);
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const tabRefs: Record<string, HTMLElement> = {};
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const tabHighlightEl = ref<HTMLElement | null>(null);
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const tabsEl = ref<HTMLElement | null>(null);
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const bg = ref<string | null>(null);
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const narrow = ref(false);
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const height = ref(0);
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const hasTabs = $computed(() => props.tabs && props.tabs.length > 0);
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const hasActions = $computed(() => props.actions && props.actions.length > 0);
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const show = $computed(() => {
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return !hideTitle || hasTabs || hasActions;
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const hasTabs = computed(() => props.tabs && props.tabs.length > 0);
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const hasActions = computed(() => props.actions && props.actions.length > 0);
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const show = computed(() => {
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return !hideTitle || hasTabs.value || hasActions.value;
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});
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const openAccountMenu = (ev: MouseEvent) => {
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@ -91,11 +91,11 @@ const openAccountMenu = (ev: MouseEvent) => {
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};
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const showTabsPopup = (ev: MouseEvent) => {
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if (!hasTabs) return;
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if (!narrow) return;
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if (!hasTabs.value) return;
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if (!narrow.value) return;
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ev.preventDefault();
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ev.stopPropagation();
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const menu = props.tabs.map(tab => ({
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const menu = props.tabs!.map(tab => ({
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text: tab.title,
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icon: tab.icon,
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active: tab.key != null && tab.key === props.tab,
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@ -111,7 +111,7 @@ const preventDrag = (ev: TouchEvent) => {
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};
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const onClick = () => {
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scrollToTop(el, { behavior: 'smooth' });
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scrollToTop(el.value!, { behavior: 'smooth' });
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};
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function onTabMousedown(tab: Tab, ev: MouseEvent): void {
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@ -142,42 +142,42 @@ const calcBg = () => {
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let ro: ResizeObserver | null;
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onMounted(() => {
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calcBg();
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globalEvents.on('themeChanged', calcBg);
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watch(() => [props.tab, props.tabs], () => {
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nextTick(() => {
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const tabEl = tabRefs[props.tab];
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if (tabEl && tabHighlightEl) {
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// offsetWidth や offsetLeft は少数を丸めてしまうため getBoundingClientRect を使う必要がある
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// https://developer.mozilla.org/ja/docs/Web/API/HTMLElement/offsetWidth#%E5%80%A4
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const tabSizeX = tabEl.scrollWidth + 20; // + the tab's padding
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tabEl.style = `--width: ${tabSizeX}px`;
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setTimeout(() => {
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const parentRect = tabsEl.getBoundingClientRect();
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const rect = tabEl.getBoundingClientRect();
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const left = (rect.left - parentRect.left + tabsEl?.scrollLeft);
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tabHighlightEl.style.width = tabSizeX + 'px';
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tabHighlightEl.style.transform = `translateX(${left}px)`;
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window.requestAnimationFrame(() => {
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tabsEl?.scrollTo({left: left - 60, behavior: "smooth"});
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})
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}, 200);
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}
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});
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}, {
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immediate: true,
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});
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calcBg();
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globalEvents.on('themeChanged', calcBg);
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if (el && el.parentElement) {
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narrow = el.parentElement.offsetWidth < 500;
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ro = new ResizeObserver((entries, observer) => {
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if (el.parentElement && document.body.contains(el)) {
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narrow = el.parentElement.offsetWidth < 500;
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}
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});
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ro.observe(el.parentElement);
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}
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const updateTabHighlight = () => {
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nextTick(() => {
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const tabEl = tabRefs[props.tab];
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if (tabEl && tabHighlightEl) {
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const tabSizeX = tabEl.scrollWidth + 20;
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tabEl.style.setProperty('--width', `${tabSizeX}px`);
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const parentRect = tabsEl.getBoundingClientRect();
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const rect = tabEl.getBoundingClientRect();
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const left = (rect.left - parentRect.left + tabsEl.scrollLeft);
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tabHighlightEl.style.width = `${tabSizeX}px`;
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tabHighlightEl.style.transform = `translateX(${left}px)`;
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tabsEl.scrollTo({left: left - 60, behavior: "smooth"});
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}
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});
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};
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const updateTab = () => {
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emit('update:tab', props.tab);
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};
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watch(() => [props.tab, props.tabs], updateTabHighlight, { immediate: true });
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watch(() => props.tab, updateTab);
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if (el && el.parentElement) {
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narrow.value = el.parentElement.offsetWidth < 500;
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ro = new ResizeObserver((entries, observer) => {
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if (el.parentElement && document.body.contains(el)) {
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narrow.value = el.parentElement.offsetWidth < 500;
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}
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});
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ro.observe(el.parentElement);
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}
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});
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onUnmounted(() => {
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