overleaf/services/web/frontend/js/features/ide-react/context/ide-react-context.tsx

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import React, {
createContext,
useContext,
useState,
FC,
useMemo,
useEffect,
useCallback,
} from 'react'
import { ReactScopeValueStore } from '@/features/ide-react/scope-value-store/react-scope-value-store'
import populateLayoutScope from '@/features/ide-react/scope-adapters/layout-context-adapter'
import populateReviewPanelScope from '@/features/ide-react/scope-adapters/review-panel-context-adapter'
import { IdeProvider } from '@/shared/context/ide-context'
import {
createIdeEventEmitter,
IdeEventEmitter,
} from '@/features/ide-react/create-ide-event-emitter'
import { JoinProjectPayload } from '@/features/ide-react/connection/join-project-payload'
import { useConnectionContext } from '@/features/ide-react/context/connection-context'
import { getMockIde } from '@/shared/context/mock/mock-ide'
import { populateEditorScope } from '@/features/ide-react/scope-adapters/editor-manager-context-adapter'
import { postJSON } from '@/infrastructure/fetch-json'
import { EventLog } from '@/features/ide-react/editor/event-log'
import { populateOnlineUsersScope } from '@/features/ide-react/context/online-users-context'
import { populateReferenceScope } from '@/features/ide-react/context/references-context'
import { ReactScopeEventEmitter } from '@/features/ide-react/scope-event-emitter/react-scope-event-emitter'
import getMeta from '@/utils/meta'
type IdeReactContextValue = {
projectId: string
eventEmitter: IdeEventEmitter
eventLog: EventLog
startedFreeTrial: boolean
setStartedFreeTrial: React.Dispatch<
React.SetStateAction<IdeReactContextValue['startedFreeTrial']>
>
reportError: (error: any, meta?: Record<string, any>) => void
projectJoined: boolean
}
const IdeReactContext = createContext<IdeReactContextValue | undefined>(
undefined
)
function populateIdeReactScope(store: ReactScopeValueStore) {
store.set('sync_tex_error', false)
}
function populateProjectScope(store: ReactScopeValueStore) {
store.allowNonExistentPath('project', true)
store.set('permissionsLevel', 'readOnly')
store.set('permissions', {
read: true,
write: false,
admin: false,
comment: true,
})
}
function populatePdfScope(store: ReactScopeValueStore) {
store.allowNonExistentPath('pdf', true)
}
function createReactScopeValueStore(projectId: string) {
const scopeStore = new ReactScopeValueStore()
// Populate the scope value store with default values that will be used by
// nested contexts that refer to scope values. The ideal would be to leave
// initialization of store values up to the nested context, which would keep
// initialization code together with the context and would only populate
// necessary values in the store, but this is simpler for now
populateIdeReactScope(scopeStore)
populateEditorScope(scopeStore, projectId)
populateLayoutScope(scopeStore)
populateProjectScope(scopeStore)
populatePdfScope(scopeStore)
populateOnlineUsersScope(scopeStore)
populateReferenceScope(scopeStore)
populateReviewPanelScope(scopeStore)
scopeStore.allowNonExistentPath('hasLintingError')
scopeStore.allowNonExistentPath('loadingThreads')
return scopeStore
}
const projectId = window.project_id
export const IdeReactProvider: FC = ({ children }) => {
const [scopeStore] = useState(() => createReactScopeValueStore(projectId))
const [eventEmitter] = useState(createIdeEventEmitter)
const [scopeEventEmitter] = useState(
() => new ReactScopeEventEmitter(eventEmitter)
)
const [eventLog] = useState(() => new EventLog())
const [startedFreeTrial, setStartedFreeTrial] = useState(false)
// Set to true only after project:joined has fired and all its listeners have
// been called
const [projectJoined, setProjectJoined] = useState(false)
const { socket } = useConnectionContext()
const reportError = useCallback(
(error: any, meta?: Record<string, any>) => {
const metadata = {
...meta,
user_id: getMeta('ol-user_id'),
project_id: projectId,
// @ts-ignore
client_id: socket.socket?.sessionid,
// @ts-ignore
transport: socket.socket?.transport?.name,
client_now: new Date(),
}
const errorObj: Record<string, any> = {}
if (typeof error === 'object') {
for (const key of Object.getOwnPropertyNames(error)) {
errorObj[key] = error[key]
}
} else if (typeof error === 'string') {
errorObj.message = error
}
return postJSON('/error/client', {
body: {
error: errorObj,
meta: metadata,
_csrf: window.csrfToken,
},
})
},
[socket.socket]
)
// Populate scope values when joining project, then fire project:joined event
useEffect(() => {
function handleJoinProjectResponse({
project,
permissionsLevel,
}: JoinProjectPayload) {
scopeStore.set('project', { rootDoc_id: null, ...project })
scopeStore.set('permissionsLevel', permissionsLevel)
// Make watchers update immediately
scopeStore.flushUpdates()
eventEmitter.emit('project:joined', { project, permissionsLevel })
setProjectJoined(true)
}
socket.on('joinProjectResponse', handleJoinProjectResponse)
return () => {
socket.removeListener('joinProjectResponse', handleJoinProjectResponse)
}
}, [socket, eventEmitter, scopeStore])
const ide = useMemo(() => {
return {
...getMockIde(),
socket,
reportError,
}
}, [socket, reportError])
const value = useMemo(
() => ({
eventEmitter,
eventLog,
startedFreeTrial,
setStartedFreeTrial,
projectId,
reportError,
projectJoined,
}),
[eventEmitter, eventLog, projectJoined, reportError, startedFreeTrial]
)
return (
<IdeReactContext.Provider value={value}>
<IdeProvider
ide={ide}
scopeStore={scopeStore}
scopeEventEmitter={scopeEventEmitter}
>
{children}
</IdeProvider>
</IdeReactContext.Provider>
)
}
export function useIdeReactContext(): IdeReactContextValue {
const context = useContext(IdeReactContext)
if (!context) {
throw new Error(
'useIdeReactContext is only available inside IdeReactProvider'
)
}
return context
}