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259 changes: 259 additions & 0 deletions
259
packages/scan/src/web/components/widget/components-tree/breadcrumb.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,259 @@ | ||
| import { | ||
| ClassComponentTag, | ||
| type Fiber, | ||
| ForwardRefTag, | ||
| FunctionComponentTag, | ||
| MemoComponentTag, | ||
| SimpleMemoComponentTag, | ||
| } from 'bippy'; | ||
| import { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'preact/hooks'; | ||
| import { Store } from '~core/index'; | ||
| import { Icon } from '~web/components/icon'; | ||
| import { | ||
| getCompositeFiberFromElement, | ||
| getInspectableAncestors, | ||
| } from '~web/components/inspector/utils'; | ||
| import { cn } from '~web/utils/helpers'; | ||
| import { type TreeItem, inspectedElementSignal } from './state'; | ||
|
|
||
| export const Breadcrumb = () => { | ||
| const containerRef = useRef<HTMLDivElement>(null); | ||
| const [path, setPath] = useState<TreeItem[]>([]); | ||
| const [visibleItems, setVisibleItems] = useState<TreeItem[]>([]); | ||
| const updateTimeoutRef = useRef<number>(); | ||
| const lastWidthRef = useRef<number>(0); | ||
|
|
||
| const updateVisibleItems = useCallback(() => { | ||
| const containerWidth = containerRef.current?.clientWidth || 0; | ||
| if (Math.abs(containerWidth - lastWidthRef.current) < 5) return; | ||
| lastWidthRef.current = containerWidth; | ||
|
|
||
| if (!path.length) return; | ||
|
|
||
| const ROOT_WIDTH = 80; | ||
| const ITEM_WIDTH = 80; | ||
|
|
||
| const result: TreeItem[] = [path[0]]; | ||
| if (path.length <= 1) { | ||
| setVisibleItems(result); | ||
| return; | ||
| } | ||
|
|
||
| const remainingWidth = containerWidth - ROOT_WIDTH; | ||
| const maxItemsAfterRoot = Math.floor(remainingWidth / ITEM_WIDTH); | ||
|
|
||
| if (maxItemsAfterRoot >= path.length - 1) { | ||
| result.push(...path.slice(1)); | ||
| setVisibleItems(result); | ||
| return; | ||
| } | ||
|
|
||
| if (maxItemsAfterRoot <= 0 && path.length > 1) { | ||
| result.push({ | ||
| name: '…', | ||
| depth: 0, | ||
| element: path[path.length - 1].element, | ||
| fiber: null, | ||
| childrenCount: 0, | ||
| updates: { | ||
| count: 0, | ||
| lastUpdate: 0, | ||
| renderDuration: 0, | ||
| cascadeLevel: 0, | ||
| hasStructuralChanges: false, | ||
| }, | ||
| }, path[path.length - 1]); | ||
| setVisibleItems(result); | ||
| return; | ||
| } | ||
|
|
||
| if (maxItemsAfterRoot >= 2) { | ||
| const MAX_END_ITEMS = 10; | ||
| const availableSlots = Math.min(maxItemsAfterRoot - 1, MAX_END_ITEMS); | ||
| const endItems = path.slice(Math.max(1, path.length - availableSlots)); | ||
|
|
||
| const ellipsisItem: TreeItem = { | ||
| name: '…', | ||
| depth: 0, | ||
| element: path[Math.max(1, path.length - availableSlots - 1)].element, | ||
| fiber: null, | ||
| childrenCount: 0, | ||
| updates: { | ||
| count: 0, | ||
| lastUpdate: 0, | ||
| renderDuration: 0, | ||
| cascadeLevel: 0, | ||
| hasStructuralChanges: false, | ||
| }, | ||
| }; | ||
| result.push(ellipsisItem, ...endItems); | ||
| } else if (path.length > 1) { | ||
| const ellipsisItem: TreeItem = { | ||
| name: '…', | ||
| depth: 0, | ||
| element: path[path.length - 2].element, | ||
| fiber: null, | ||
| childrenCount: 0, | ||
| updates: { | ||
| count: 0, | ||
| lastUpdate: 0, | ||
| renderDuration: 0, | ||
| cascadeLevel: 0, | ||
| hasStructuralChanges: false, | ||
| }, | ||
| }; | ||
| result.push(ellipsisItem, path[path.length - 1]); | ||
| } | ||
|
|
||
| setVisibleItems(result); | ||
| }, [path]); | ||
|
|
||
| useEffect(() => { | ||
| const handleElementChange = (focusedDomElement: HTMLElement | null) => { | ||
| if (!focusedDomElement) return; | ||
|
|
||
| const ancestors = getInspectableAncestors(focusedDomElement); | ||
| const items = ancestors.map((item) => { | ||
| const { parentCompositeFiber } = getCompositeFiberFromElement( | ||
| item.element, | ||
| ); | ||
|
|
||
| const getChildrenCount = ( | ||
| fiber: Fiber | null | undefined, | ||
| ): number => { | ||
| if (!fiber) return 0; | ||
| let count = 0; | ||
| let child = fiber.child; | ||
| while (child) { | ||
| if ( | ||
| child.tag === FunctionComponentTag || | ||
| child.tag === ForwardRefTag || | ||
| child.tag === SimpleMemoComponentTag || | ||
| child.tag === MemoComponentTag || | ||
| child.tag === ClassComponentTag | ||
| ) { | ||
| count++; | ||
| } | ||
| child = child.sibling; | ||
| } | ||
| return count; | ||
| }; | ||
|
|
||
| return { | ||
| ...item, | ||
| fiber: parentCompositeFiber || null, | ||
| childrenCount: getChildrenCount(parentCompositeFiber), | ||
| updates: { | ||
| count: 0, | ||
| lastUpdate: 0, | ||
| renderDuration: 0, | ||
| cascadeLevel: 0, | ||
| hasStructuralChanges: false, | ||
| }, | ||
| }; | ||
| }); | ||
|
|
||
| setPath(items); | ||
|
|
||
| lastWidthRef.current = 0; | ||
| updateVisibleItems(); | ||
| }; | ||
|
|
||
| const unsubscribeStore = Store.inspectState.subscribe((state) => { | ||
| if (state.kind === 'focused' && state.focusedDomElement) { | ||
| handleElementChange(state.focusedDomElement as HTMLElement); | ||
| } | ||
| }); | ||
|
|
||
| if (Store.inspectState.value.kind === 'focused') { | ||
| handleElementChange(Store.inspectState.value.focusedDomElement as HTMLElement); | ||
| } | ||
|
|
||
| return () => { | ||
| unsubscribeStore(); | ||
| }; | ||
| }, [updateVisibleItems]); | ||
|
|
||
| useEffect(() => { | ||
| if (path.length > 0) { | ||
| updateVisibleItems(); | ||
| } | ||
| }, [path, updateVisibleItems]); | ||
|
|
||
| useLayoutEffect(() => { | ||
| const handleResize = () => { | ||
| if (updateTimeoutRef.current) { | ||
| cancelAnimationFrame(updateTimeoutRef.current); | ||
| } | ||
| updateTimeoutRef.current = requestAnimationFrame(() => { | ||
| if (path.length > 0) { | ||
| updateVisibleItems(); | ||
| } | ||
| }); | ||
| }; | ||
|
|
||
| handleResize(); | ||
|
|
||
| const resizeObserver = new ResizeObserver(handleResize); | ||
| if (containerRef.current) { | ||
| resizeObserver.observe(containerRef.current); | ||
| } | ||
|
|
||
| return () => { | ||
| resizeObserver.disconnect(); | ||
| if (updateTimeoutRef.current) { | ||
| cancelAnimationFrame(updateTimeoutRef.current); | ||
| } | ||
| }; | ||
| }, [path.length, updateVisibleItems]); | ||
|
|
||
| return ( | ||
| <div | ||
| ref={containerRef} | ||
| className={cn( | ||
| 'flex items-center gap-x-1', | ||
| 'py-1 px-2', | ||
| 'text-xs text-neutral-400', | ||
| 'border-b border-white/10', | ||
| 'overflow-hidden w-full' | ||
| )} | ||
| > | ||
| {visibleItems.map((item, index) => ( | ||
| <div | ||
| key={`${item.name}-${index}`} | ||
| className="flex items-center gap-x-1 overflow-hidden h-6" | ||
| > | ||
| {index > 0 && ( | ||
| <span className="w-2.5 h-2.5 flex items-center justify-center text-neutral-400"> | ||
| <Icon name="icon-chevron-right" size={10} /> | ||
| </span> | ||
| )} | ||
| {item.name === '…' ? ( | ||
| <span className="text-sm h-4">…</span> | ||
| ) : ( | ||
| <button | ||
| type="button" | ||
| title={`${item.name}${item.childrenCount ? ` (${item.childrenCount})` : ''}`} | ||
| className={cn('rounded truncate max-w-20', { | ||
| 'text-white': index === visibleItems.length - 1, | ||
| 'text-neutral-400': index !== visibleItems.length - 1, | ||
| })} | ||
| onClick={() => { | ||
| inspectedElementSignal.value = item.element; | ||
| Store.inspectState.value = { | ||
| kind: 'focused', | ||
| focusedDomElement: item.element, | ||
| }; | ||
| }} | ||
| > | ||
| {item.name} | ||
| {item.childrenCount > 0 && ( | ||
| <span className="ml-1 opacity-50">({item.childrenCount})</span> | ||
| )} | ||
| </button> | ||
| )} | ||
| </div> | ||
| ))} | ||
| </div> | ||
| ); | ||
| }; |
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