Files
remanso/src/hooks/useComputeBacklinks.hook.ts

106 lines
2.9 KiB
TypeScript

import { backlinkEventBus } from '@/bus/backlinkEventBus'
import { data } from '@/data/data'
import { DataType } from '@/data/DataType.enum'
import { useFile } from '@/hooks/useFile.hook'
import { Backlink } from '@/modules/note/models/Backlink'
import { BacklinkNote } from '@/modules/note/models/BacklinkNote'
import { resolvePath } from '@/modules/repo/services/resolvePath'
import { useUserRepoStore } from '@/modules/repo/store/userRepo.store'
import { isExternalLink } from '@/utils/link'
import { filenameToNoteTitle } from '@/utils/noteTitle'
import { confirmMessage } from '@/utils/notif'
import { watch } from 'vue'
const isMarkdown = (filename?: string) => filename?.endsWith('.md') ?? false
export const useComputeBacklinks = () => {
const store = useUserRepoStore()
watch(store, async () => {
if (!store.userSettings?.backlink) {
return
}
let notifiedForComputation = false
const backlinks: Map<string, Backlink[]> = new Map()
for (const file of store.files) {
if (!isMarkdown(file.path) || !file.sha) {
continue
}
const fileBacklinkId = data.generateId(DataType.BacklinkNote, file.sha)
const fileBacklink = await data.get<DataType.BacklinkNote, BacklinkNote>(
fileBacklinkId
)
if (fileBacklink) {
continue
}
if (!backlinks.has(file.sha)) {
backlinks.set(file.sha, [])
}
const { getContent } = useFile(file.sha, false)
const note = await getContent()
if (!note) {
return
}
const parser = new DOMParser()
const htmlDoc = parser.parseFromString(note, 'text/html')
const links = htmlDoc.querySelectorAll('a')
for (const link of links) {
const href = link.getAttribute('href') ?? ''
if (isExternalLink(href) || !isMarkdown(href)) {
continue
}
const path = resolvePath(file.path ?? '', href)
const backlinkFile = store.files.find((file) => file.path === path)
if (!backlinkFile?.sha || !backlinkFile?.path) {
continue
}
const previousBacklinks = backlinks.get(backlinkFile.sha) ?? []
if (previousBacklinks.find((bl) => bl.sha === file.sha)) {
continue
}
if (!notifiedForComputation) {
notifiedForComputation = true
confirmMessage('Updating backlinks...')
}
backlinks.set(backlinkFile.sha, [
...previousBacklinks,
{
sha: file.sha,
title: filenameToNoteTitle(file.path ?? '')
}
])
}
}
for (const [sha, fileBacklinks] of backlinks) {
const fileBacklinkId = data.generateId(DataType.BacklinkNote, sha)
const backlinkNote: BacklinkNote = {
_id: fileBacklinkId,
$type: DataType.BacklinkNote,
sha: sha,
links: fileBacklinks
}
await data.update(backlinkNote)
backlinkEventBus.emit({ fileSha: sha })
}
})
}