92 lines
1.7 KiB
Vue
92 lines
1.7 KiB
Vue
<template>
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<div ref="root" :class="$style.root" :style="{ padding: margin + 'px' }">
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<div ref="content" :class="$style.content">
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<slot></slot>
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</div>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, inject, onMounted, onUnmounted, ref } from 'vue';
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export default defineComponent({
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props: {
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contentMax: {
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type: Number,
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required: false,
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default: null,
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},
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marginMin: {
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type: Number,
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required: false,
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default: 12,
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},
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marginMax: {
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type: Number,
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required: false,
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default: 24,
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},
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},
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setup(props, context) {
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let ro: ResizeObserver;
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const root = ref<HTMLElement>();
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const content = ref<HTMLElement>();
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const margin = ref(0);
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const shouldSpacerMin = inject('shouldSpacerMin', false);
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const adjust = (rect: { width: number; height: number; }) => {
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if (shouldSpacerMin) {
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margin.value = props.marginMin;
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return;
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}
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if (rect.width > props.contentMax || (rect.width > 360 && window.innerWidth > 400)) {
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margin.value = props.marginMax;
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} else {
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margin.value = props.marginMin;
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}
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};
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onMounted(() => {
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ro = new ResizeObserver((entries) => {
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/* iOSが対応していない
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adjust({
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width: entries[0].borderBoxSize[0].inlineSize,
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height: entries[0].borderBoxSize[0].blockSize,
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});
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*/
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adjust({
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width: root.value!.offsetWidth,
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height: root.value!.offsetHeight,
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});
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});
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ro.observe(root.value!);
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if (props.contentMax) {
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content.value!.style.maxWidth = `${props.contentMax}px`;
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}
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});
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onUnmounted(() => {
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ro.disconnect();
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});
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return {
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root,
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content,
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margin,
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};
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},
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});
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</script>
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<style lang="scss" module>
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.root {
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box-sizing: border-box;
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width: 100%;
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}
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.content {
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margin: 0 auto;
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}
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</style>
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