4995e49c46
- Replace `ref`s with `shallowRef` when deep reactivity is not needed. - Replace `readonly`s with `shallowReadonly` where the goal is to only prevent `.value` mutation. - Remove redundant `ref` in `SizeObserver.vue`. - Remove redundant nested `ref` in `TooltipWrapper.vue`. - Remove redundant `events` export from `UseCollectionState.ts`. - Remove redundant `computed` from `UseCollectionState.ts`. - Remove `timestamp` from `TreeViewFilterEvent` that becomes unnecessary after using `shallowRef`. - Add missing unit tests for `UseTreeViewFilterEvent`. - Add missing stub for `FilterChangeDetails`.
99 lines
2.4 KiB
Vue
99 lines
2.4 KiB
Vue
<template>
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<div ref="containerElement" class="container">
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<slot />
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</div>
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</template>
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<script lang="ts">
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import {
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defineComponent, shallowRef, onMounted, onBeforeUnmount,
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} from 'vue';
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import { useResizeObserverPolyfill } from '@/presentation/components/Shared/Hooks/UseResizeObserverPolyfill';
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export default defineComponent({
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emits: {
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/* eslint-disable @typescript-eslint/no-unused-vars */
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sizeChanged: () => true,
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widthChanged: (width: number) => true,
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heightChanged: (height: number) => true,
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/* eslint-enable @typescript-eslint/no-unused-vars */
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},
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setup(_, { emit }) {
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const { resizeObserverReady } = useResizeObserverPolyfill();
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const containerElement = shallowRef<HTMLElement>();
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let width = 0;
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let height = 0;
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let observer: ResizeObserver;
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onMounted(() => {
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width = containerElement.value.offsetWidth;
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height = containerElement.value.offsetHeight;
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resizeObserverReady.then(() => {
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observer = new ResizeObserver(updateSize);
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observer.observe(containerElement.value);
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});
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fireChangeEvents();
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});
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onBeforeUnmount(() => {
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observer?.disconnect();
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});
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function updateSize() {
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let sizeChanged = false;
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if (isWidthChanged()) {
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updateWidth(containerElement.value.offsetWidth);
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sizeChanged = true;
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}
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if (isHeightChanged()) {
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updateHeight(containerElement.value.offsetHeight);
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sizeChanged = true;
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}
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if (sizeChanged) {
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emit('sizeChanged');
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}
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}
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function updateWidth(newWidth: number) {
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width = newWidth;
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emit('widthChanged', newWidth);
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}
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function updateHeight(newHeight: number) {
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height = newHeight;
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emit('heightChanged', newHeight);
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}
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function fireChangeEvents() {
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updateWidth(containerElement.value.offsetWidth);
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updateHeight(containerElement.value.offsetHeight);
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emit('sizeChanged');
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}
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function isWidthChanged(): boolean {
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return width !== containerElement.value.offsetWidth;
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}
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function isHeightChanged(): boolean {
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return height !== containerElement.value.offsetHeight;
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}
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return {
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containerElement,
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};
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},
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});
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</script>
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<style scoped lang="scss">
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.container {
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width: 100%;
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height: 100%;
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display: inline-block; // if inline then it has no height or weight
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}
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</style>
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