Files
hapi/web/src/routes/sessions/file.tsx
T

469 lines
22 KiB
TypeScript

import { useEffect, useMemo, useState } from 'react'
import { useQuery } from '@tanstack/react-query'
import { useParams, useSearch } from '@tanstack/react-router'
import type { GitCommandResponse } from '@/types/api'
import { FileIcon } from '@/components/FileIcon'
import { CopyIcon, CheckIcon } from '@/components/icons'
import { useAppContext } from '@/lib/app-context'
import { useAppGoBack } from '@/hooks/useAppGoBack'
import { useCopyToClipboard } from '@/hooks/useCopyToClipboard'
import { formatDiffError, formatReadFileError } from '@/lib/files-i18n'
import { queryKeys } from '@/lib/query-keys'
import { langAlias, useShikiHighlighter } from '@/lib/shiki'
import { useTranslation } from '@/lib/use-translation'
import { decodeBase64 } from '@/lib/utils'
import { ImagePreview } from '@/components/ImagePreview'
import { MarkdownRenderer } from '@/components/MarkdownRenderer'
import {
getInitialMarkdownPreviewMode,
isMarkdownFile,
persistMarkdownPreviewMode,
type MarkdownPreviewMode,
} from '@/lib/file-markdown-preview'
import { downloadBase64File } from '@/lib/file-download'
const MAX_COPYABLE_FILE_BYTES = 1_000_000
const IMAGE_MIME_BY_EXTENSION: Record<string, string> = {
apng: 'image/apng',
avif: 'image/avif',
bmp: 'image/bmp',
gif: 'image/gif',
ico: 'image/x-icon',
jpeg: 'image/jpeg',
jpg: 'image/jpeg',
png: 'image/png',
svg: 'image/svg+xml',
tif: 'image/tiff',
tiff: 'image/tiff',
webp: 'image/webp'
}
function decodePath(value: string): string {
if (!value) return ''
const decoded = decodeBase64(value)
return decoded.ok ? decoded.text : value
}
function DownloadIcon(props: { className?: string }) {
return (
<svg
xmlns="http://www.w3.org/2000/svg"
width="14"
height="14"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
strokeLinecap="round"
strokeLinejoin="round"
className={props.className}
>
<path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4" />
<polyline points="7 10 12 15 17 10" />
<line x1="12" y1="15" x2="12" y2="3" />
</svg>
)
}
function BackIcon(props: { className?: string }) {
return (
<svg
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth="2"
strokeLinecap="round"
strokeLinejoin="round"
className={props.className}
>
<polyline points="15 18 9 12 15 6" />
</svg>
)
}
function DiffDisplay(props: { diffContent: string }) {
const lines = props.diffContent.split('\n')
return (
<div className="overflow-hidden rounded-md border border-[var(--app-border)] bg-[var(--app-bg)]">
{lines.map((line, index) => {
const isAdd = line.startsWith('+') && !line.startsWith('+++')
const isRemove = line.startsWith('-') && !line.startsWith('---')
const isHunk = line.startsWith('@@')
const isHeader = line.startsWith('+++') || line.startsWith('---')
const className = [
'whitespace-pre-wrap px-3 py-0.5 text-xs font-mono',
isAdd ? 'bg-[var(--app-diff-added-bg)] text-[var(--app-diff-added-text)]' : '',
isRemove ? 'bg-[var(--app-diff-removed-bg)] text-[var(--app-diff-removed-text)]' : '',
isHunk ? 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)] font-semibold' : '',
isHeader ? 'text-[var(--app-hint)] font-semibold' : ''
].filter(Boolean).join(' ')
const style = isAdd
? { borderLeft: '2px solid var(--app-git-staged-color)' }
: isRemove
? { borderLeft: '2px solid var(--app-git-deleted-color)' }
: undefined
return (
<div key={`${index}-${line}`} className={className} style={style}>
{line || ' '}
</div>
)
})}
</div>
)
}
function FileContentSkeleton(props: { label: string }) {
const widths = ['w-full', 'w-11/12', 'w-5/6', 'w-3/4', 'w-2/3', 'w-4/5']
return (
<div role="status" aria-live="polite">
<span className="sr-only">{props.label}</span>
<div className="animate-pulse space-y-2 rounded-md border border-[var(--app-border)] bg-[var(--app-code-bg)] p-3">
{Array.from({ length: 12 }).map((_, index) => (
<div key={`file-skeleton-${index}`} className={`h-3 ${widths[index % widths.length]} rounded bg-[var(--app-subtle-bg)]`} />
))}
</div>
</div>
)
}
function resolveLanguage(path: string): string | undefined {
const parts = path.split('.')
if (parts.length <= 1) return undefined
const ext = parts[parts.length - 1]?.toLowerCase()
if (!ext) return undefined
return langAlias[ext] ?? ext
}
function resolveImageMimeType(path: string): string | null {
const parts = path.split('.')
if (parts.length <= 1) return null
const ext = parts[parts.length - 1]?.toLowerCase()
if (!ext) return null
return IMAGE_MIME_BY_EXTENSION[ext] ?? null
}
function getUtf8ByteLength(value: string): number {
return new TextEncoder().encode(value).length
}
function isBinaryContent(content: string): boolean {
if (!content) return false
if (content.includes('\0')) return true
const nonPrintable = content.split('').filter((char) => {
const code = char.charCodeAt(0)
return code < 32 && code !== 9 && code !== 10 && code !== 13
}).length
return nonPrintable / content.length > 0.1
}
function extractCommandError(result: GitCommandResponse | undefined): string | null {
if (!result) return null
if (result.success) return null
return result.error ?? result.stderr ?? 'Failed to load diff'
}
export default function FilePage() {
const { api, baseUrl, token } = useAppContext()
const { t } = useTranslation()
const { copied: pathCopied, copy: copyPath } = useCopyToClipboard()
const { copied: contentCopied, copy: copyContent } = useCopyToClipboard()
const goBack = useAppGoBack()
const { sessionId } = useParams({ from: '/sessions/$sessionId/file' })
const search = useSearch({ from: '/sessions/$sessionId/file' })
const encodedPath = typeof search.path === 'string' ? search.path : ''
const staged = search.staged
const filePath = useMemo(() => decodePath(encodedPath), [encodedPath])
const fileName = filePath.split('/').pop() || filePath || t('file.page.fallbackName')
const imageMimeType = useMemo(() => resolveImageMimeType(filePath), [filePath])
const markdownFile = useMemo(() => isMarkdownFile(filePath), [filePath])
const htmlFile = useMemo(() => /\.html?$/i.test(filePath), [filePath])
const [htmlPreview, setHtmlPreview] = useState(false)
useEffect(() => {
setHtmlPreview(false)
}, [filePath])
const diffQuery = useQuery({
queryKey: queryKeys.gitFileDiff(sessionId, filePath, staged),
queryFn: async () => {
if (!api || !sessionId || !filePath) {
throw new Error('Missing session or path')
}
return await api.getGitDiffFile(sessionId, filePath, staged)
},
enabled: Boolean(api && sessionId && filePath)
})
const fileQuery = useQuery({
queryKey: queryKeys.sessionFile(sessionId, filePath),
queryFn: async () => {
if (!api || !sessionId || !filePath) {
throw new Error('Missing session or path')
}
return await api.readSessionFile(sessionId, filePath)
},
enabled: Boolean(api && sessionId && filePath)
})
const diffContent = diffQuery.data?.success ? (diffQuery.data.stdout ?? '') : ''
const diffError = extractCommandError(diffQuery.data)
const diffSuccess = diffQuery.data?.success === true
const diffFailed = diffQuery.data?.success === false
const fileContentResult = fileQuery.data
const decodedContentResult = fileContentResult?.success && fileContentResult.content
? decodeBase64(fileContentResult.content)
: { text: '', ok: true }
const decodedContent = decodedContentResult.text
const binaryFile = fileContentResult?.success
? !decodedContentResult.ok || isBinaryContent(decodedContent)
: false
const imagePreviewUrl = fileContentResult?.success && fileContentResult.content && imageMimeType
? `data:${imageMimeType};base64,${fileContentResult.content}`
: null
const htmlPreviewUrl = htmlFile && token
? `${baseUrl}/api/sessions/${encodeURIComponent(sessionId)}/file/raw?path=${encodeURIComponent(filePath)}&token=${encodeURIComponent(token)}`
: null
const language = useMemo(() => imageMimeType ? undefined : resolveLanguage(filePath), [filePath, imageMimeType])
const [markdownMode, setMarkdownMode] = useState<MarkdownPreviewMode>(getInitialMarkdownPreviewMode)
const showMarkdownSource = !markdownFile || markdownMode === 'source'
const highlighted = useShikiHighlighter(
imageMimeType || (markdownFile && !showMarkdownSource) ? '' : decodedContent,
language
)
const contentSizeBytes = useMemo(
() => (decodedContent ? getUtf8ByteLength(decodedContent) : 0),
[decodedContent]
)
const canCopyContent = fileContentResult?.success === true
&& !binaryFile
&& decodedContent.length > 0
&& contentSizeBytes <= MAX_COPYABLE_FILE_BYTES
const canDownload = fileContentResult?.success === true && Boolean(fileContentResult.content)
const [displayMode, setDisplayMode] = useState<'diff' | 'file'>('diff')
const setMarkdownPreviewMode = (mode: MarkdownPreviewMode) => {
setMarkdownMode(mode)
persistMarkdownPreviewMode(mode)
}
useEffect(() => {
if (imageMimeType) {
setDisplayMode('file')
return
}
if (diffSuccess && !diffContent) {
setDisplayMode('file')
return
}
if (diffFailed) {
setDisplayMode('file')
}
}, [diffSuccess, diffFailed, diffContent, imageMimeType])
const loading = diffQuery.isLoading || fileQuery.isLoading
const fileError = fileContentResult && !fileContentResult.success
? (fileContentResult.error ?? 'Failed to read file')
: null
const missingPath = !filePath
const diffErrorMessage = diffError ? formatDiffError(diffError, t) : null
const fileErrorMessage = fileError ? formatReadFileError(fileError, t) : null
return (
<div className="flex h-full min-h-0 flex-col">
<div className="bg-[var(--app-bg)] pt-[env(safe-area-inset-top)]">
<div className="mx-auto w-full max-w-content flex items-center gap-2 p-3 border-b border-[var(--app-border)]">
<button
type="button"
onClick={goBack}
className="flex h-8 w-8 items-center justify-center rounded-full text-[var(--app-hint)] transition-colors hover:bg-[var(--app-secondary-bg)] hover:text-[var(--app-fg)]"
>
<BackIcon />
</button>
<div className="min-w-0 flex-1">
<div className="truncate font-semibold">{fileName}</div>
<div className="truncate text-xs text-[var(--app-hint)]">{filePath || t('file.page.unknownPath')}</div>
</div>
</div>
</div>
<div className="bg-[var(--app-bg)]">
<div className="mx-auto w-full max-w-content px-3 py-2 flex items-center gap-2 border-b border-[var(--app-divider)]">
<FileIcon fileName={fileName} size={20} />
<span className="min-w-0 flex-1 truncate text-xs text-[var(--app-hint)]">{filePath || t('file.page.unknownPath')}</span>
<button
type="button"
onClick={() => copyPath(filePath)}
className="shrink-0 rounded p-1 text-[var(--app-hint)] hover:bg-[var(--app-subtle-bg)] hover:text-[var(--app-fg)] transition-colors"
title={t('file.page.copyPath')}
>
{pathCopied ? <CheckIcon className="h-3.5 w-3.5" /> : <CopyIcon className="h-3.5 w-3.5" />}
</button>
{canDownload ? (
<button
type="button"
onClick={() => downloadBase64File(fileName, fileContentResult!.content!, imageMimeType)}
className="shrink-0 rounded p-1 text-[var(--app-hint)] hover:bg-[var(--app-subtle-bg)] hover:text-[var(--app-fg)] transition-colors"
title={t('file.page.download')}
>
<DownloadIcon className="h-3.5 w-3.5" />
</button>
) : null}
</div>
</div>
{diffContent || (markdownFile && displayMode === 'file') ? (
<div className="bg-[var(--app-bg)]">
<div className="mx-auto w-full max-w-content px-3 py-2 flex items-center gap-2 border-b border-[var(--app-divider)]">
{diffContent ? (
<>
<button
type="button"
onClick={() => setDisplayMode('diff')}
className={`rounded px-3 py-1 text-xs font-semibold ${displayMode === 'diff' ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.diff')}
</button>
<button
type="button"
onClick={() => setDisplayMode('file')}
className={`rounded px-3 py-1 text-xs font-semibold ${displayMode === 'file' ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.file')}
</button>
</>
) : null}
{markdownFile && displayMode === 'file' ? (
<>
{diffContent ? <span className="mx-1 h-4 w-px bg-[var(--app-divider)]" aria-hidden="true" /> : null}
<button
type="button"
onClick={() => setMarkdownPreviewMode('source')}
className={`rounded px-3 py-1 text-xs font-semibold ${showMarkdownSource ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.source')}
</button>
<button
type="button"
onClick={() => setMarkdownPreviewMode('preview')}
className={`rounded px-3 py-1 text-xs font-semibold ${!showMarkdownSource ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.preview')}
</button>
</>
) : null}
{htmlFile && displayMode === 'file' ? (
<>
{diffContent ? <span className="mx-1 h-4 w-px bg-[var(--app-divider)]" aria-hidden="true" /> : null}
<button
type="button"
onClick={() => setHtmlPreview(false)}
className={`rounded px-3 py-1 text-xs font-semibold ${!htmlPreview ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.source')}
</button>
<button
type="button"
onClick={() => setHtmlPreview(true)}
className={`rounded px-3 py-1 text-xs font-semibold ${htmlPreview ? 'bg-[var(--app-button)] text-[var(--app-button-text)] opacity-80' : 'bg-[var(--app-subtle-bg)] text-[var(--app-hint)]'}`}
>
{t('file.page.tab.preview')}
</button>
</>
) : null}
</div>
</div>
) : null}
<div className="app-scroll-y flex-1 min-h-0">
<div className="mx-auto w-full max-w-content p-4">
{diffErrorMessage ? (
<div className="mb-3 rounded-md bg-amber-500/10 p-2 text-xs text-[var(--app-hint)]">
{diffErrorMessage}
</div>
) : null}
{missingPath ? (
<div className="text-sm text-[var(--app-hint)]">{t('file.page.missingPath')}</div>
) : loading ? (
<FileContentSkeleton label={t('loading.file')} />
) : fileErrorMessage ? (
<div className="text-sm text-[var(--app-hint)]">{fileErrorMessage}</div>
) : displayMode === 'diff' && diffContent ? (
<DiffDisplay diffContent={diffContent} />
) : displayMode === 'diff' && diffError ? (
<div className="text-sm text-[var(--app-hint)]">{diffErrorMessage}</div>
) : displayMode === 'file' ? (
imagePreviewUrl ? (
<ImagePreview
src={imagePreviewUrl}
fileName={fileName}
label={t('file.page.imagePreviewAlt', { name: fileName })}
/>
) : binaryFile ? (
<div className="text-sm text-[var(--app-hint)]">
{t('file.page.binary')}
</div>
) : htmlFile && htmlPreview && htmlPreviewUrl ? (
<iframe
src={htmlPreviewUrl}
title={fileName}
sandbox="allow-scripts"
className="h-[70vh] w-full rounded-md border border-[var(--app-border)] bg-white"
/>
) : (
decodedContent ? (
markdownFile && !showMarkdownSource ? (
<div className="markdown-content relative">
{canCopyContent ? (
<button
type="button"
onClick={() => copyContent(decodedContent)}
className="absolute right-2 top-2 z-10 rounded p-1 text-[var(--app-hint)] hover:bg-[var(--app-subtle-bg)] hover:text-[var(--app-fg)] transition-colors"
title={t('file.page.copyContent')}
>
{contentCopied ? <CheckIcon className="h-3.5 w-3.5" /> : <CopyIcon className="h-3.5 w-3.5" />}
</button>
) : null}
<MarkdownRenderer content={decodedContent} standalone />
</div>
) : (
<div className="relative">
{canCopyContent ? (
<button
type="button"
onClick={() => copyContent(decodedContent)}
className="absolute right-2 top-2 z-10 rounded p-1 text-[var(--app-hint)] hover:bg-[var(--app-subtle-bg)] hover:text-[var(--app-fg)] transition-colors"
title={t('file.page.copyContent')}
>
{contentCopied ? <CheckIcon className="h-3.5 w-3.5" /> : <CopyIcon className="h-3.5 w-3.5" />}
</button>
) : null}
<pre className="shiki overflow-auto rounded-md bg-[var(--app-code-bg)] p-3 pr-8 text-xs font-mono">
<code>{highlighted ?? decodedContent}</code>
</pre>
</div>
)
) : (
<div className="text-sm text-[var(--app-hint)]">{t('file.page.empty')}</div>
)
)
) : (
<div className="text-sm text-[var(--app-hint)]">{t('file.page.noChanges')}</div>
)}
</div>
</div>
</div>
)
}