overleaf/services/web/frontend/js/shared/context/local-compile-context.tsx

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import {
FC,
createContext,
useCallback,
useContext,
useEffect,
useMemo,
useRef,
useState,
} from 'react'
import useScopeValue from '../hooks/use-scope-value'
import useScopeValueSetterOnly from '../hooks/use-scope-value-setter-only'
import usePersistedState from '../hooks/use-persisted-state'
import useAbortController from '../hooks/use-abort-controller'
import DocumentCompiler from '../../features/pdf-preview/util/compiler'
import {
send,
sendMB,
sendMBOnce,
sendMBSampled,
} from '../../infrastructure/event-tracking'
import {
buildLogEntryAnnotations,
buildRuleCounts,
handleLogFiles,
handleOutputFiles,
} from '../../features/pdf-preview/util/output-files'
import { useIdeContext } from './ide-context'
import { useProjectContext } from './project-context'
import { useEditorContext } from './editor-context'
import { buildFileList } from '../../features/pdf-preview/util/file-list'
import { useLayoutContext } from './layout-context'
import { useUserContext } from './user-context'
import { useFileTreeData } from '@/shared/context/file-tree-data-context'
import { useFileTreePathContext } from '@/features/file-tree/contexts/file-tree-path'
import { useUserSettingsContext } from '@/shared/context/user-settings-context'
import { useFeatureFlag } from '@/shared/context/split-test-context'
import { useEditorManagerContext } from '@/features/ide-react/context/editor-manager-context'
type PdfFile = Record<string, any>
export type CompileContext = {
autoCompile: boolean
clearingCache: boolean
clsiServerId?: string
codeCheckFailed: boolean
compiling: boolean
deliveryLatencies: Record<string, any>
draft: boolean
error?: string
fileList?: Record<string, any>
hasChanges: boolean
hasShortCompileTimeout: boolean
highlights?: Record<string, any>[]
isProjectOwner: boolean
logEntries?: Record<string, any>
logEntryAnnotations?: Record<string, any>
outputFilesArchive?: string
pdfDownloadUrl?: string
pdfFile?: PdfFile
pdfUrl?: string
pdfViewer?: string
position?: Record<string, any>
rawLog?: string
setAutoCompile: (value: boolean) => void
setDraft: (value: any) => void
setError: (value: any) => void
setHasLintingError: (value: any) => void // only for storybook
setHighlights: (value: any) => void
setPosition: (value: any) => void
setShowCompileTimeWarning: (value: any) => void
setShowLogs: (value: boolean) => void
toggleLogs: () => void
setStopOnFirstError: (value: boolean) => void
setStopOnValidationError: (value: boolean) => void
showCompileTimeWarning: boolean
showLogs: boolean
stopOnFirstError: boolean
stopOnValidationError: boolean
stoppedOnFirstError: boolean
uncompiled?: boolean
validationIssues?: Record<string, any>
firstRenderDone: (metrics: {
latencyFetch: number
latencyRender: number | undefined
pdfCachingMetrics: { viewerId: string }
}) => void
cleanupCompileResult?: () => void
animateCompileDropdownArrow: boolean
editedSinceCompileStarted: boolean
lastCompileOptions: any
setAnimateCompileDropdownArrow: (value: boolean) => void
recompileFromScratch: () => void
setCompiling: (value: boolean) => void
startCompile: (options?: any) => void
stopCompile: () => void
setChangedAt: (value: any) => void
clearCache: () => void
syncToEntry: (value: any, keepCurrentView?: boolean) => void
}
export const LocalCompileContext = createContext<CompileContext | undefined>(
undefined
)
export const LocalCompileProvider: FC = ({ children }) => {
const ide = useIdeContext()
const { hasPremiumCompile, isProjectOwner } = useEditorContext()
const { openDocId } = useEditorManagerContext()
const { _id: projectId, rootDocId } = useProjectContext()
const { pdfPreviewOpen } = useLayoutContext()
const { features, alphaProgram } = useUserContext()
const { fileTreeData } = useFileTreeData()
const { findEntityByPath } = useFileTreePathContext()
// whether a compile is in progress
const [compiling, setCompiling] = useState(false)
// whether to show the compile time warning
const [showCompileTimeWarning, setShowCompileTimeWarning] = useState(false)
const [hasShortCompileTimeout, setHasShortCompileTimeout] = useState(false)
// the log entries parsed from the compile output log
const [logEntries, setLogEntries] = useScopeValueSetterOnly('pdf.logEntries')
// annotations for display in the editor, built from the log entries
const [logEntryAnnotations, setLogEntryAnnotations] = useScopeValue(
'pdf.logEntryAnnotations'
)
// the PDF viewer and whether syntax validation is enabled globally
const { userSettings } = useUserSettingsContext()
const { pdfViewer, syntaxValidation } = userSettings
// the URL for downloading the PDF
const [, setPdfDownloadUrl] =
useScopeValueSetterOnly<string>('pdf.downloadUrl')
// the URL for loading the PDF in the preview pane
const [, setPdfUrl] = useScopeValueSetterOnly<string>('pdf.url')
// low level details for metrics
const [pdfFile, setPdfFile] = useState<PdfFile | undefined>()
useEffect(() => {
setPdfDownloadUrl(pdfFile?.pdfDownloadUrl)
setPdfUrl(pdfFile?.pdfUrl)
}, [pdfFile, setPdfDownloadUrl, setPdfUrl])
// the project is considered to be "uncompiled" if a doc has changed, or finished saving, since the last compile started.
const [uncompiled, setUncompiled] = useScopeValue('pdf.uncompiled')
// whether a doc has been edited since the last compile started
const [editedSinceCompileStarted, setEditedSinceCompileStarted] =
useState(false)
// the id of the CLSI server which ran the compile
const [clsiServerId, setClsiServerId] = useState()
// data received in response to a compile request
const [data, setData] = useState<Record<string, any>>()
// the rootDocId used in the most recent compile request, which may not be the
// same as the project rootDocId. This is used to calculate correct paths when
// parsing the compile logs
const lastCompileRootDocId = data?.rootDocId
// callback to be invoked for PdfJsMetrics
const [firstRenderDone, setFirstRenderDone] = useState(() => () => {})
// latencies of compile/pdf download/rendering
const [deliveryLatencies, setDeliveryLatencies] = useState({})
// whether the project has been compiled yet
const [compiledOnce, setCompiledOnce] = useState(false)
// whether the cache is being cleared
const [clearingCache, setClearingCache] = useState(false)
// whether the logs should be visible
const [showLogs, setShowLogs] = useState(false)
// whether the compile dropdown arrow should be animated
const [animateCompileDropdownArrow, setAnimateCompileDropdownArrow] =
useState(false)
const toggleLogs = useCallback(() => {
setShowLogs(prev => {
if (!prev) {
sendMBOnce('ide-open-logs-once')
}
return !prev
})
}, [setShowLogs])
// an error that occurred
const [error, setError] = useState<string>()
// the list of files that can be downloaded
const [fileList, setFileList] = useState<Record<string, any[]>>()
// the raw contents of the log file
const [rawLog, setRawLog] = useState<string>()
// validation issues from CLSI
const [validationIssues, setValidationIssues] = useState()
// areas to highlight on the PDF, from synctex
const [highlights, setHighlights] = useState()
// scroll position of the PDF
const [position, setPosition] = usePersistedState(`pdf.position.${projectId}`)
// whether autocompile is switched on
const [autoCompile, setAutoCompile] = usePersistedState(
`autocompile_enabled:${projectId}`,
false,
true
)
// whether the compile should run in draft mode
const [draft, setDraft] = usePersistedState(`draft:${projectId}`, false, true)
// whether compiling should stop on first error
const [stopOnFirstError, setStopOnFirstError] = usePersistedState(
`stop_on_first_error:${projectId}`,
false,
true
)
// whether the last compiles stopped on first error
const [stoppedOnFirstError, setStoppedOnFirstError] = useState(false)
// whether compiling should be prevented if there are linting errors
const [stopOnValidationError, setStopOnValidationError] = usePersistedState(
`stop_on_validation_error:${projectId}`,
true,
true
)
// the Document currently open in the editor
const [currentDoc] = useScopeValue('editor.sharejs_doc')
// whether the editor linter found errors
const [hasLintingError, setHasLintingError] = useScopeValue('hasLintingError')
// the timestamp that a doc was last changed
const [changedAt, setChangedAt] = useState(0)
const { signal } = useAbortController()
const cleanupCompileResult = useCallback(() => {
setPdfFile(undefined)
setLogEntries(null)
setLogEntryAnnotations({})
}, [setPdfFile, setLogEntries, setLogEntryAnnotations])
const compilingRef = useRef(false)
useEffect(() => {
compilingRef.current = compiling
}, [compiling])
const _buildLogEntryAnnotations = useCallback(
entries =>
buildLogEntryAnnotations(entries, fileTreeData, lastCompileRootDocId),
[fileTreeData, lastCompileRootDocId]
)
const buildLogEntryAnnotationsRef = useRef(_buildLogEntryAnnotations)
useEffect(() => {
buildLogEntryAnnotationsRef.current = _buildLogEntryAnnotations
}, [_buildLogEntryAnnotations])
// the document compiler
const [compiler] = useState(() => {
return new DocumentCompiler({
projectId,
setChangedAt,
setCompiling,
setData,
setFirstRenderDone,
setDeliveryLatencies,
setError,
cleanupCompileResult,
compilingRef,
signal,
})
})
// keep currentDoc in sync with the compiler
useEffect(() => {
compiler.currentDoc = currentDoc
}, [compiler, currentDoc])
// keep the project rootDocId in sync with the compiler
useEffect(() => {
compiler.projectRootDocId = rootDocId
}, [compiler, rootDocId])
// keep draft setting in sync with the compiler
useEffect(() => {
compiler.setOption('draft', draft)
}, [compiler, draft])
// keep stop on first error setting in sync with the compiler
useEffect(() => {
compiler.setOption('stopOnFirstError', stopOnFirstError)
}, [compiler, stopOnFirstError])
useEffect(() => {
setUncompiled(changedAt > 0)
}, [setUncompiled, changedAt])
useEffect(() => {
setEditedSinceCompileStarted(changedAt > 0)
}, [setEditedSinceCompileStarted, changedAt])
// always compile the PDF once after opening the project, after the doc has loaded
useEffect(() => {
if (!compiledOnce && currentDoc) {
setCompiledOnce(true)
compiler.compile({ isAutoCompileOnLoad: true })
}
}, [compiledOnce, currentDoc, compiler])
useEffect(() => {
setHasShortCompileTimeout(
features?.compileTimeout !== undefined && features.compileTimeout <= 60
)
}, [features])
useEffect(() => {
if (hasShortCompileTimeout && compiling && isProjectOwner) {
const timeout = window.setTimeout(() => {
setShowCompileTimeWarning(true)
}, 30000)
return () => {
window.clearTimeout(timeout)
}
}
}, [compiling, isProjectOwner, hasShortCompileTimeout])
const hasCompileLogsEvents = useFeatureFlag('compile-log-events')
// handle the data returned from a compile request
// note: this should _only_ run when `data` changes,
// the other dependencies must all be static
useEffect(() => {
const abortController = new AbortController()
if (data) {
if (data.clsiServerId) {
setClsiServerId(data.clsiServerId) // set in scope, for PdfSynctexController
}
if (data.outputFiles) {
const outputFiles = new Map()
for (const outputFile of data.outputFiles) {
outputFiles.set(outputFile.path, outputFile)
}
// set the PDF context
if (data.status === 'success') {
setPdfFile(handleOutputFiles(outputFiles, projectId, data))
}
setFileList(
buildFileList(
outputFiles,
data.clsiServerId,
data.compileGroup,
data.outputFilesArchive
)
)
// handle log files
// asynchronous (TODO: cancel on new compile?)
setLogEntryAnnotations(null)
setLogEntries(null)
setRawLog(undefined)
handleLogFiles(outputFiles, data, abortController.signal).then(
(result: Record<string, any>) => {
setRawLog(result.log)
setLogEntries(result.logEntries)
setLogEntryAnnotations(
buildLogEntryAnnotationsRef.current(result.logEntries.all)
)
// sample compile stats for real users
if (!alphaProgram) {
if (['success', 'stopped-on-first-error'].includes(data.status)) {
sendMBSampled(
'compile-result',
{
errors: result.logEntries.errors.length,
warnings: result.logEntries.warnings.length,
typesetting: result.logEntries.typesetting.length,
newPdfPreview: true, // TODO: is this useful?
stopOnFirstError: data.options.stopOnFirstError,
},
0.01
)
}
if (hasCompileLogsEvents) {
sendMB('compile-log-entries', {
status: data.status,
stopOnFirstError: data.options.stopOnFirstError,
isAutoCompileOnLoad: !!data.options.isAutoCompileOnLoad,
isAutoCompileOnChange: !!data.options.isAutoCompileOnChange,
...buildRuleCounts(result.logEntries.all),
})
}
}
}
)
}
switch (data.status) {
case 'success':
setError(undefined)
setShowLogs(false)
break
case 'stopped-on-first-error':
setError(undefined)
setShowLogs(true)
break
case 'clsi-maintenance':
case 'compile-in-progress':
case 'exited':
case 'failure':
case 'project-too-large':
case 'rate-limited':
case 'terminated':
case 'too-recently-compiled':
setError(data.status)
break
case 'timedout':
setError('timedout')
if (!hasPremiumCompile && isProjectOwner) {
send(
'subscription-funnel',
'editor-click-feature',
'compile-timeout'
)
}
break
case 'autocompile-backoff':
if (!data.options.isAutoCompileOnLoad) {
setError('autocompile-disabled')
setAutoCompile(false)
}
break
case 'unavailable':
setError('clsi-unavailable')
break
case 'validation-problems':
setError('validation-problems')
setValidationIssues(data.validationProblems)
break
default:
setError('error')
break
}
setStoppedOnFirstError(data.status === 'stopped-on-first-error')
}
return () => {
abortController.abort()
}
}, [
data,
ide,
alphaProgram,
hasCompileLogsEvents,
hasPremiumCompile,
isProjectOwner,
projectId,
setAutoCompile,
setClsiServerId,
setLogEntries,
setLogEntryAnnotations,
setPdfFile,
])
// switch to logs if there's an error
useEffect(() => {
if (error) {
setShowLogs(true)
}
}, [error])
// whether there has been an autocompile linting error, if syntax validation is switched on
const autoCompileLintingError = Boolean(
autoCompile && syntaxValidation && hasLintingError
)
const codeCheckFailed = stopOnValidationError && autoCompileLintingError
// the project is available for auto-compiling
// (autocompile is enabled, the PDF preview is open, and the code check (if enabled) hasn't failed)
const canAutoCompile = Boolean(
autoCompile && pdfPreviewOpen && !codeCheckFailed
)
// show that the project has pending changes
const hasChanges = Boolean(canAutoCompile && uncompiled && compiledOnce)
// call the debounced autocompile function if the project is available for auto-compiling and it has changed
useEffect(() => {
if (canAutoCompile) {
if (changedAt > 0) {
compiler.debouncedAutoCompile()
}
} else {
compiler.debouncedAutoCompile.cancel()
}
}, [compiler, canAutoCompile, changedAt])
// cancel debounced recompile on unmount
useEffect(() => {
return () => {
compiler.debouncedAutoCompile.cancel()
}
}, [compiler])
// start a compile manually
const startCompile = useCallback(
options => {
compiler.compile(options)
},
[compiler]
)
// stop a compile manually
const stopCompile = useCallback(() => {
compiler.stopCompile()
}, [compiler])
// clear the compile cache
const clearCache = useCallback(() => {
setClearingCache(true)
return compiler
.clearCache()
.then(() => {
setFileList(undefined)
setPdfFile(undefined)
})
.finally(() => {
setClearingCache(false)
})
}, [compiler])
const syncToEntry = useCallback(
(entry, keepCurrentView = false) => {
const result = findEntityByPath(entry.file)
if (result && result.type === 'doc') {
openDocId(result.entity._id, {
gotoLine: entry.line ?? undefined,
gotoColumn: entry.column ?? undefined,
keepCurrentView,
})
}
},
[findEntityByPath, openDocId]
)
// clear the cache then run a compile, triggered by a menu item
const recompileFromScratch = useCallback(() => {
clearCache().then(() => {
compiler.compile()
})
}, [clearCache, compiler])
// After a compile, the compiler sets `data.options` to the options that were
// used for that compile.
const lastCompileOptions = useMemo(() => data?.options || {}, [data])
useEffect(() => {
const listener = (event: Event) => {
setShowLogs((event as CustomEvent<boolean>).detail as boolean)
}
window.addEventListener('editor:show-logs', listener)
return () => {
window.removeEventListener('editor:show-logs', listener)
}
}, [])
const value = useMemo(
() => ({
animateCompileDropdownArrow,
autoCompile,
clearCache,
clearingCache,
clsiServerId,
codeCheckFailed,
compiling,
deliveryLatencies,
draft,
editedSinceCompileStarted,
error,
fileList,
hasChanges,
hasShortCompileTimeout,
highlights,
isProjectOwner,
lastCompileOptions,
logEntryAnnotations,
logEntries,
pdfDownloadUrl: pdfFile?.pdfDownloadUrl,
pdfFile,
pdfUrl: pdfFile?.pdfUrl,
pdfViewer,
position,
rawLog,
recompileFromScratch,
setAnimateCompileDropdownArrow,
setAutoCompile,
setCompiling,
setDraft,
setError,
setHasLintingError, // only for stories
setHighlights,
setPosition,
showCompileTimeWarning,
setShowCompileTimeWarning,
setShowLogs,
toggleLogs,
setStopOnFirstError,
setStopOnValidationError,
showLogs,
startCompile,
stopCompile,
stopOnFirstError,
stopOnValidationError,
stoppedOnFirstError,
uncompiled,
validationIssues,
firstRenderDone,
setChangedAt,
cleanupCompileResult,
syncToEntry,
}),
[
animateCompileDropdownArrow,
autoCompile,
clearCache,
clearingCache,
clsiServerId,
codeCheckFailed,
compiling,
deliveryLatencies,
draft,
editedSinceCompileStarted,
error,
fileList,
hasChanges,
hasShortCompileTimeout,
highlights,
isProjectOwner,
lastCompileOptions,
logEntries,
logEntryAnnotations,
position,
pdfFile,
pdfViewer,
rawLog,
recompileFromScratch,
setAnimateCompileDropdownArrow,
setAutoCompile,
setDraft,
setError,
setHasLintingError, // only for stories
setHighlights,
setPosition,
setShowCompileTimeWarning,
setStopOnFirstError,
setStopOnValidationError,
showCompileTimeWarning,
showLogs,
startCompile,
stopCompile,
stopOnFirstError,
stopOnValidationError,
stoppedOnFirstError,
uncompiled,
validationIssues,
firstRenderDone,
setChangedAt,
cleanupCompileResult,
setShowLogs,
toggleLogs,
syncToEntry,
]
)
return (
<LocalCompileContext.Provider value={value}>
{children}
</LocalCompileContext.Provider>
)
}
export function useLocalCompileContext() {
const context = useContext(LocalCompileContext)
if (!context) {
throw new Error(
'useLocalCompileContext is only available inside LocalCompileProvider'
)
}
return context
}