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@ -3,6 +3,7 @@ |
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*/ |
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import * as React from 'react'; |
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import cn from 'classnames'; |
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import { |
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FileTabs, |
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useSandpack, |
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@ -11,35 +12,75 @@ import { |
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import {OpenInCodeSandboxButton} from './OpenInCodeSandboxButton'; |
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import {ResetButton} from './ResetButton'; |
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import {DownloadButton} from './DownloadButton'; |
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import {FilesDropdown} from './FilesDropdown'; |
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import {IconChevron} from '../../Icon/IconChevron'; |
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import {Listbox} from '@headlessui/react'; |
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// TODO: Replace with real useEvent.
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export function useEvent(fn: any): any { |
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const ref = React.useRef(null); |
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React.useInsertionEffect(() => { |
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ref.current = fn; |
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}, [fn]); |
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return React.useCallback((...args: any) => { |
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const f = ref.current!; |
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// @ts-ignore
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return f(...args); |
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}, []); |
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} |
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const getFileName = (filePath: string): string => { |
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const lastIndexOfSlash = filePath.lastIndexOf('/'); |
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return filePath.slice(lastIndexOfSlash + 1); |
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}; |
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export function NavigationBar({providedFiles}: {providedFiles: Array<string>}) { |
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const {sandpack} = useSandpack(); |
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const [dropdownActive, setDropdownActive] = React.useState(false); |
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const {openPaths, clients} = sandpack; |
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const containerRef = React.useRef<HTMLDivElement | null>(null); |
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const tabsRef = React.useRef<HTMLDivElement | null>(null); |
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// By default, show the dropdown because all tabs may not fit.
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// We don't know whether they'll fit or not until after hydration:
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const [showDropdown, setShowDropdown] = React.useState(true); |
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const {openPaths, clients, setActiveFile, activePath} = sandpack; |
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const clientId = Object.keys(clients)[0]; |
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const {refresh} = useSandpackNavigation(clientId); |
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const isMultiFile = openPaths.length > 1; |
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const hasJustToggledDropdown = React.useRef(false); |
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const resizeHandler = React.useCallback(() => { |
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const width = window.innerWidth || document.documentElement.clientWidth; |
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if (!dropdownActive && width < 640) { |
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setDropdownActive(true); |
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// Keep track of whether we can show all tabs or just the dropdown.
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const onContainerResize = useEvent((containerWidth: number) => { |
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if (hasJustToggledDropdown.current === true) { |
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// Ignore changes likely caused by ourselves.
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hasJustToggledDropdown.current = false; |
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return; |
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} |
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if (dropdownActive && width >= 640) { |
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setDropdownActive(false); |
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const tabsWidth = tabsRef.current!.getBoundingClientRect().width; |
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const needsDropdown = tabsWidth >= containerWidth; |
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if (needsDropdown !== showDropdown) { |
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hasJustToggledDropdown.current = true; |
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setShowDropdown(needsDropdown); |
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} |
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}, [dropdownActive]); |
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}); |
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React.useEffect(() => { |
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if (openPaths.length > 1) { |
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resizeHandler(); |
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window.addEventListener('resize', resizeHandler); |
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return () => { |
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window.removeEventListener('resize', resizeHandler); |
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}; |
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if (isMultiFile) { |
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const resizeObserver = new ResizeObserver((entries) => { |
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for (const entry of entries) { |
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if (entry.contentBoxSize) { |
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const contentBoxSize = Array.isArray(entry.contentBoxSize) |
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? entry.contentBoxSize[0] |
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: entry.contentBoxSize; |
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const width = contentBoxSize.inlineSize; |
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onContainerResize(width); |
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} |
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} |
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}); |
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const container = containerRef.current!; |
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resizeObserver.observe(container); |
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return () => resizeObserver.unobserve(container); |
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} else { |
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return; |
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} |
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return; |
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}, [openPaths.length, resizeHandler]); |
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}, [isMultiFile]); |
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const handleReset = () => { |
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sandpack.resetAllFiles(); |
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@ -48,11 +89,70 @@ export function NavigationBar({providedFiles}: {providedFiles: Array<string>}) { |
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return ( |
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<div className="bg-wash dark:bg-card-dark flex justify-between items-center relative z-10 border-b border-border dark:border-border-dark rounded-t-lg rounded-b-none"> |
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<div className="px-4 lg:px-6"> |
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{dropdownActive ? <FilesDropdown /> : <FileTabs />} |
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<div className="flex-1 grow min-w-0 px-4 lg:px-6"> |
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<Listbox value={activePath} onChange={setActiveFile}> |
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<div ref={containerRef}> |
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<div className="relative overflow-hidden"> |
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<div |
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ref={tabsRef} |
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className={cn( |
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// The container for all tabs is always in the DOM, but
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// not always visible. This lets us measure how much space
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// the tabs would take if displayed. We use this to decide
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// whether to keep showing the dropdown, or show all tabs.
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'w-[fit-content]', |
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showDropdown ? 'invisible' : '' |
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)}> |
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<FileTabs /> |
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</div> |
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<Listbox.Button className="contents"> |
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{({open}) => ( |
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// If tabs don't fit, display the dropdown instead.
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// The dropdown is absolutely positioned inside the
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// space that's taken by the (invisible) tab list.
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<div |
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className={cn( |
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'absolute top-0 left-0', |
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!showDropdown && 'invisible' |
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)}> |
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<span |
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className={cn( |
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'h-full py-2 px-1 mt-px -mb-px flex border-b text-link dark:text-link-dark border-link dark:border-link-dark items-center text-md leading-tight truncate' |
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)} |
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style={{maxWidth: '160px'}}> |
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{getFileName(activePath)} |
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{isMultiFile && ( |
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<span className="ml-2"> |
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<IconChevron |
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displayDirection={open ? 'up' : 'down'} |
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/> |
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</span> |
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)} |
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</span> |
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</div> |
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)} |
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</Listbox.Button> |
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</div> |
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</div> |
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{isMultiFile && showDropdown && ( |
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<Listbox.Options className="absolute mt-0.5 bg-card dark:bg-card-dark px-2 left-0 right-0 mx-0 rounded-b-lg border-1 border-border dark:border-border-dark rounded-sm shadow-md"> |
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{openPaths.map((filePath: string) => ( |
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<Listbox.Option |
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key={filePath} |
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value={filePath} |
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className={cn( |
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'text-md mx-2 my-4 cursor-pointer', |
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filePath === activePath && 'text-link dark:text-link-dark' |
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)}> |
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{getFileName(filePath)} |
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</Listbox.Option> |
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))} |
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</Listbox.Options> |
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)} |
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</Listbox> |
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</div> |
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<div |
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className="px-3 flex items-center justify-end grow text-right" |
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className="px-3 flex items-center justify-end text-right" |
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translate="yes"> |
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<DownloadButton providedFiles={providedFiles} /> |
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<ResetButton onReset={handleReset} /> |
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dan
2 years ago
GitHub