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// Walk Overleaf project root folder into flat maps (same logic as main/index.ts walkRootFolder)
export interface FileTreeEntry {
name: string
path: string // relative path, forward slashes
isDir: boolean
docId?: string // text docs
fileRefId?: string // binary files
}
export interface FileTreeResult {
entries: FileTreeEntry[]
docPathMap: Record<string, string> // docId → relPath
pathDocMap: Record<string, string> // relPath → docId
fileRefs: Array<{ id: string; path: string }>
folderMap: Record<string, string> // folderId → relPath ('' for root)
pathFolderMap: Record<string, string> // relPath → folderId
rootFolderId: string
}
interface FolderLike {
_id: string
name: string
docs?: Array<{ _id: string; name: string }>
fileRefs?: Array<{ _id: string; name: string }>
folders?: FolderLike[]
}
export function walkRootFolder(rootFolder: FolderLike[]): FileTreeResult {
const docPathMap: Record<string, string> = {}
const pathDocMap: Record<string, string> = {}
const fileRefs: Array<{ id: string; path: string }> = []
const folderMap: Record<string, string> = {}
const pathFolderMap: Record<string, string> = {}
const entries: FileTreeEntry[] = []
const rootFolderId = rootFolder[0]?._id || ''
function walk(f: FolderLike, prefix: string): void {
// Register this folder
const folderPath = prefix ? prefix.slice(0, -1) : '' // remove trailing /
folderMap[f._id] = folderPath
pathFolderMap[folderPath] = f._id
for (const doc of f.docs || []) {
const relPath = prefix + doc.name
docPathMap[doc._id] = relPath
pathDocMap[relPath] = doc._id
entries.push({ name: doc.name, path: relPath, isDir: false, docId: doc._id })
}
for (const ref of f.fileRefs || []) {
const relPath = prefix + ref.name
fileRefs.push({ id: ref._id, path: relPath })
entries.push({ name: ref.name, path: relPath, isDir: false, fileRefId: ref._id })
}
for (const sub of f.folders || []) {
const subPrefix = prefix + sub.name + '/'
entries.push({ name: sub.name, path: subPrefix.slice(0, -1), isDir: true })
walk(sub, subPrefix)
}
}
if (rootFolder[0]) {
walk(rootFolder[0], '')
}
return { entries, docPathMap, pathDocMap, fileRefs, folderMap, pathFolderMap, rootFolderId }
}
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