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

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import {
createContext,
useCallback,
useContext,
useEffect,
useMemo,
useRef,
useState,
} from 'react'
import PropTypes from 'prop-types'
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,
sendMBOnce,
sendMBSampled,
} from '../../infrastructure/event-tracking'
import {
buildLogEntryAnnotations,
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'
export const LocalCompileContext = createContext()
export const CompileContextPropTypes = {
value: PropTypes.shape({
autoCompile: PropTypes.bool.isRequired,
clearingCache: PropTypes.bool.isRequired,
clsiServerId: PropTypes.string,
codeCheckFailed: PropTypes.bool.isRequired,
compiling: PropTypes.bool.isRequired,
draft: PropTypes.bool.isRequired,
error: PropTypes.string,
fileList: PropTypes.object,
hasChanges: PropTypes.bool.isRequired,
highlights: PropTypes.arrayOf(PropTypes.object),
logEntries: PropTypes.object,
logEntryAnnotations: PropTypes.object,
pdfDownloadUrl: PropTypes.string,
pdfUrl: PropTypes.string,
pdfViewer: PropTypes.string,
position: PropTypes.object,
rawLog: PropTypes.string,
setAutoCompile: PropTypes.func.isRequired,
setDraft: PropTypes.func.isRequired,
setError: PropTypes.func.isRequired,
setHasLintingError: PropTypes.func.isRequired, // only for storybook
setHighlights: PropTypes.func.isRequired,
setPosition: PropTypes.func.isRequired,
setShowLogs: PropTypes.func.isRequired,
toggleLogs: PropTypes.func.isRequired,
setStopOnValidationError: PropTypes.func.isRequired,
showLogs: PropTypes.bool.isRequired,
stopOnValidationError: PropTypes.bool.isRequired,
uncompiled: PropTypes.bool,
validationIssues: PropTypes.object,
firstRenderDone: PropTypes.func,
cleanupCompileResult: PropTypes.func,
}),
}
LocalCompileContext.Provider.propTypes = CompileContextPropTypes
export function LocalCompileProvider({ children }) {
const ide = useIdeContext()
const { hasPremiumCompile, isProjectOwner } = useEditorContext()
const { _id: projectId, rootDocId } = useProjectContext()
// whether a compile is in progress
const [compiling, setCompiling] = 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
const [pdfViewer] = useScopeValue('settings.pdfViewer')
// the URL for downloading the PDF
const [pdfDownloadUrl, setPdfDownloadUrl] =
useScopeValueSetterOnly('pdf.downloadUrl')
// the URL for loading the PDF in the preview pane
const [pdfUrl, setPdfUrl] = useScopeValueSetterOnly('pdf.url')
// the project is considered to be "uncompiled" if a doc has changed since the last compile started
const [uncompiled, setUncompiled] = useScopeValue('pdf.uncompiled')
// 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()
// callback to be invoked for PdfJsMetrics
const [firstRenderDone, setFirstRenderDone] = 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)
const toggleLogs = useCallback(() => {
setShowLogs(prev => {
if (!prev) {
sendMBOnce('ide-open-logs-once')
}
return !prev
})
}, [setShowLogs])
// an error that occurred
const [error, setError] = useState()
// the list of files that can be downloaded
const [fileList, setFileList] = useState()
// the raw contents of the log file
const [rawLog, setRawLog] = useState()
// 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:${projectId}`, false, true)
// whether compiling should be prevented if there are linting errors
const [stopOnValidationError, setStopOnValidationError] = usePersistedState(
`stop_on_validation_error:${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')
// whether syntax validation is enabled globally
const [syntaxValidation] = useScopeValue('settings.syntaxValidation')
// the timestamp that a doc was last changed or saved
const [changedAt, setChangedAt] = useState(0)
const { signal } = useAbortController()
const cleanupCompileResult = useCallback(() => {
setPdfUrl(null)
setPdfDownloadUrl(null)
setLogEntries(null)
setLogEntryAnnotations({})
}, [setPdfUrl, setPdfDownloadUrl, setLogEntries, setLogEntryAnnotations])
const compilingRef = useRef(false)
useEffect(() => {
compilingRef.current = compiling
}, [compiling])
// the document compiler
const [compiler] = useState(() => {
return new DocumentCompiler({
projectId,
rootDocId,
setChangedAt,
setCompiling,
setData,
setFirstRenderDone,
setError,
cleanupCompileResult,
compilingRef,
signal,
})
})
// keep currentDoc in sync with the compiler
useEffect(() => {
compiler.currentDoc = currentDoc
}, [compiler, currentDoc])
// keep draft setting in sync with the compiler
useEffect(() => {
compiler.draft = draft
}, [compiler, draft])
// pass the "uncompiled" value up into the scope for use outside this context provider
useEffect(() => {
setUncompiled(changedAt > 0)
}, [setUncompiled, 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])
// 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 URLs
const result = handleOutputFiles(outputFiles, projectId, data)
if (data.status === 'success') {
setPdfDownloadUrl(result.pdfDownloadUrl)
setPdfUrl(result.pdfUrl)
}
setFileList(
buildFileList(outputFiles, data.clsiServerId, data.compileGroup)
)
// handle log files
// asynchronous (TODO: cancel on new compile?)
setLogEntryAnnotations(null)
setLogEntries(null)
setRawLog(null)
handleLogFiles(outputFiles, data, abortController.signal).then(
result => {
setRawLog(result.log)
setLogEntries(result.logEntries)
setLogEntryAnnotations(
buildLogEntryAnnotations(
result.logEntries.all,
ide.fileTreeManager
)
)
// sample compile stats for real users
if (!window.user.alphaProgram && data.status === 'success') {
sendMBSampled(
'compile-result',
{
errors: result.logEntries.errors.length,
warnings: result.logEntries.warnings.length,
typesetting: result.logEntries.typesetting.length,
newPdfPreview: true, // TODO: is this useful?
},
0.01
)
}
}
)
}
switch (data.status) {
case 'success':
setError(undefined)
setShowLogs(false)
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
}
}
return () => {
abortController.abort()
}
}, [
data,
ide,
hasPremiumCompile,
isProjectOwner,
projectId,
setAutoCompile,
setClsiServerId,
setLogEntries,
setLogEntryAnnotations,
setPdfDownloadUrl,
setPdfUrl,
])
// 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
const canAutoCompile = Boolean(autoCompile && !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)
setPdfDownloadUrl(undefined)
setPdfUrl(undefined)
})
.finally(() => {
setClearingCache(false)
})
}, [compiler, setPdfDownloadUrl, setPdfUrl])
// clear the cache then run a compile, triggered by a menu item
const recompileFromScratch = useCallback(() => {
clearCache().then(() => {
compiler.compile()
})
}, [clearCache, compiler])
const value = useMemo(
() => ({
autoCompile,
clearCache,
clearingCache,
clsiServerId,
codeCheckFailed,
compiling,
draft,
error,
fileList,
hasChanges,
highlights,
logEntryAnnotations,
logEntries,
pdfDownloadUrl,
pdfUrl,
pdfViewer,
position,
rawLog,
recompileFromScratch,
setAutoCompile,
setCompiling,
setDraft,
setError,
setHasLintingError, // only for stories
setHighlights,
setPosition,
setShowLogs,
toggleLogs,
setStopOnValidationError,
showLogs,
startCompile,
stopCompile,
stopOnValidationError,
uncompiled,
validationIssues,
firstRenderDone,
setChangedAt,
cleanupCompileResult,
}),
[
autoCompile,
clearCache,
clearingCache,
clsiServerId,
codeCheckFailed,
compiling,
draft,
error,
fileList,
hasChanges,
highlights,
logEntries,
logEntryAnnotations,
position,
pdfDownloadUrl,
pdfUrl,
pdfViewer,
rawLog,
recompileFromScratch,
setAutoCompile,
setDraft,
setError,
setHasLintingError, // only for stories
setHighlights,
setPosition,
setStopOnValidationError,
showLogs,
startCompile,
stopCompile,
stopOnValidationError,
uncompiled,
validationIssues,
firstRenderDone,
setChangedAt,
cleanupCompileResult,
setShowLogs,
toggleLogs,
]
)
return (
<LocalCompileContext.Provider value={value}>
{children}
</LocalCompileContext.Provider>
)
}
LocalCompileProvider.propTypes = {
children: PropTypes.any,
}
export function useLocalCompileContext(propTypes) {
const data = useContext(LocalCompileContext)
PropTypes.checkPropTypes(
propTypes,
data,
'data',
'LocalCompileContext.Provider'
)
return data
}