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refactor: extract tag building functions

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This commit is contained in:
codytseng
2025-07-22 23:10:02 +08:00
parent 6d5d4d36c1
commit c511f5cb5a
2 changed files with 165 additions and 107 deletions
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257
src/lib/draft-event.ts
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@@ -1,7 +1,7 @@
import { ApplicationDataKey, ExtendedKind } from '@/constants'
import client from '@/services/client.service'
import mediaUpload from '@/services/media-upload.service'
import { TDraftEvent, TEmoji, TMailboxRelay, TRelaySet } from '@/types'
import { TDraftEvent, TEmoji, TMailboxRelay, TMailboxRelayScope, TRelaySet } from '@/types'
import dayjs from 'dayjs'
import { Event, kinds, nip19 } from 'nostr-tools'
import {
@@ -11,24 +11,18 @@ import {
isReplaceableEvent
} from './event'
import { generateBech32IdFromETag, tagNameEquals } from './tag'
import { normalizeHttpUrl } from './url'
// https://github.com/nostr-protocol/nips/blob/master/25.md
export function createReactionDraftEvent(event: Event, emoji: TEmoji | string = '+'): TDraftEvent {
const tags: string[][] = []
const hint = client.getEventHint(event.id)
tags.push(['e', event.id, hint, event.pubkey])
tags.push(['p', event.pubkey])
tags.push(buildETag(event.id, event.pubkey))
tags.push(buildPTag(event.pubkey))
if (event.kind !== kinds.ShortTextNote) {
tags.push(['k', event.kind.toString()])
tags.push(buildKTag(event.kind))
}
if (isReplaceableEvent(event.kind)) {
tags.push(
hint
? ['a', getReplaceableEventCoordinate(event), hint]
: ['a', getReplaceableEventCoordinate(event)]
)
tags.push(buildATag(event))
}
let content: string
@@ -36,7 +30,7 @@ export function createReactionDraftEvent(event: Event, emoji: TEmoji | string =
content = emoji
} else {
content = `:${emoji.shortcode}:`
tags.push(['emoji', emoji.shortcode, emoji.url])
tags.push(buildEmojiTag(emoji))
}
return {
@@ -50,10 +44,7 @@ export function createReactionDraftEvent(event: Event, emoji: TEmoji | string =
// https://github.com/nostr-protocol/nips/blob/master/18.md
export function createRepostDraftEvent(event: Event): TDraftEvent {
const isProtected = isProtectedEvent(event)
const tags = [
['e', event.id, client.getEventHint(event.id), '', event.pubkey],
['p', event.pubkey]
]
const tags = [buildETag(event.id, event.pubkey), buildPTag(event.pubkey)]
return {
kind: kinds.Repost,
@@ -80,7 +71,7 @@ export async function createShortTextNoteDraftEvent(
)
const hashtags = extractHashtags(content)
const tags = hashtags.map((hashtag) => ['t', hashtag])
const tags = hashtags.map((hashtag) => buildTTag(hashtag))
// imeta tags
const images = extractImagesFromContent(content)
@@ -89,7 +80,7 @@ export async function createShortTextNoteDraftEvent(
}
// q tags
tags.push(...quoteEventIds.map((eventId) => ['q', eventId, client.getEventHint(eventId)]))
tags.push(...quoteEventIds.map((eventId) => buildQTag(eventId)))
// e tags
if (rootETag.length) {
@@ -101,18 +92,18 @@ export async function createShortTextNoteDraftEvent(
}
// p tags
tags.push(...mentions.map((pubkey) => ['p', pubkey]))
tags.push(...mentions.map((pubkey) => buildPTag(pubkey)))
if (options.addClientTag) {
tags.push(['client', 'jumble'])
tags.push(buildClientTag())
}
if (options.isNsfw) {
tags.push(['content-warning', 'NSFW'])
tags.push(buildNsfwTag())
}
if (options.protectedEvent) {
tags.push(['-'])
tags.push(buildProtectedTag())
}
const baseDraft = {
@@ -137,9 +128,9 @@ export function createRelaySetDraftEvent(relaySet: TRelaySet): TDraftEvent {
kind: kinds.Relaysets,
content: '',
tags: [
['d', relaySet.id],
['title', relaySet.name],
...relaySet.relayUrls.map((url) => ['relay', url])
buildDTag(relaySet.id),
buildTitleTag(relaySet.name),
...relaySet.relayUrls.map((url) => buildRelayTag(url))
],
created_at: dayjs().unix()
}
@@ -161,17 +152,17 @@ export async function createPictureNoteDraftEvent(
}
const tags = pictureInfos
.map((info) => ['imeta', ...info.tags.map(([n, v]) => `${n} ${v}`)])
.concat(hashtags.map((hashtag) => ['t', hashtag]))
.concat(quoteEventIds.map((eventId) => ['q', eventId, client.getEventHint(eventId)]))
.concat(mentions.map((pubkey) => ['p', pubkey]))
.map((info) => buildImetaTag(info.tags))
.concat(hashtags.map((hashtag) => buildTTag(hashtag)))
.concat(quoteEventIds.map((eventId) => buildQTag(eventId)))
.concat(mentions.map((pubkey) => buildPTag(pubkey)))
if (options.addClientTag) {
tags.push(['client', 'jumble'])
tags.push(buildClientTag())
}
if (options.protectedEvent) {
tags.push(['-'])
tags.push(buildProtectedTag())
}
return {
@@ -193,69 +184,57 @@ export async function createCommentDraftEvent(
isNsfw?: boolean
} = {}
): Promise<TDraftEvent> {
const {
quoteEventIds,
rootEventId,
rootCoordinateTag,
rootKind,
rootPubkey,
rootUrl,
parentEventId,
parentCoordinate,
parentKind,
parentPubkey
} = await extractCommentMentions(content, parentEvent)
const { quoteEventIds, rootEventId, rootCoordinateTag, rootKind, rootPubkey, rootUrl } =
await extractCommentMentions(content, parentEvent)
const hashtags = extractHashtags(content)
const tags = hashtags
.map((hashtag) => ['t', hashtag])
.concat(quoteEventIds.map((eventId) => ['q', eventId, client.getEventHint(eventId)]))
.map((hashtag) => buildTTag(hashtag))
.concat(quoteEventIds.map((eventId) => buildQTag(eventId)))
const images = extractImagesFromContent(content)
if (images && images.length) {
tags.push(...generateImetaTags(images))
}
tags.push(...mentions.filter((pubkey) => pubkey !== parentPubkey).map((pubkey) => ['p', pubkey]))
tags.push(
...mentions.filter((pubkey) => pubkey !== parentEvent.pubkey).map((pubkey) => buildPTag(pubkey))
)
if (rootCoordinateTag) {
tags.push(rootCoordinateTag)
} else if (rootEventId) {
tags.push(
rootPubkey
? ['E', rootEventId, client.getEventHint(rootEventId), rootPubkey]
: ['E', rootEventId, client.getEventHint(rootEventId)]
)
tags.push(buildETag(rootEventId, rootPubkey, '', true))
}
if (rootPubkey) {
tags.push(['P', rootPubkey])
tags.push(buildPTag(rootPubkey, true))
}
if (rootKind) {
tags.push(['K', rootKind.toString()])
tags.push(buildKTag(rootKind, true))
}
if (rootUrl) {
tags.push(['I', rootUrl])
tags.push(buildITag(rootUrl, true))
}
tags.push(
...[
parentCoordinate
? ['a', parentCoordinate, client.getEventHint(parentEventId)]
: ['e', parentEventId, client.getEventHint(parentEventId), parentPubkey],
['k', parentKind.toString()],
['p', parentPubkey]
isReplaceableEvent(parentEvent.kind)
? buildATag(parentEvent)
: buildETag(parentEvent.id, parentEvent.pubkey),
buildKTag(parentEvent.kind),
buildPTag(parentEvent.pubkey)
]
)
if (options.addClientTag) {
tags.push(['client', 'jumble'])
tags.push(buildClientTag())
}
if (options.isNsfw) {
tags.push(['content-warning', 'NSFW'])
tags.push(buildNsfwTag())
}
if (options.protectedEvent) {
tags.push(['-'])
tags.push(buildProtectedTag())
}
const baseDraft = {
@@ -278,9 +257,7 @@ export function createRelayListDraftEvent(mailboxRelays: TMailboxRelay[]): TDraf
return {
kind: kinds.RelayList,
content: '',
tags: mailboxRelays.map(({ url, scope }) =>
scope === 'both' ? ['r', url] : ['r', url, scope]
),
tags: mailboxRelays.map(({ url, scope }) => buildRTag(url, scope)),
created_at: dayjs().unix()
}
}
@@ -318,10 +295,10 @@ export function createFavoriteRelaysDraftEvent(
): TDraftEvent {
const tags: string[][] = []
favoriteRelays.forEach((url) => {
tags.push(['relay', url])
tags.push(buildRelayTag(url))
})
relaySetEvents.forEach((event) => {
tags.push(['a', getReplaceableEventCoordinate(event)])
tags.push(buildATag(event))
})
return {
kind: ExtendedKind.FAVORITE_RELAYS,
@@ -335,7 +312,7 @@ export function createSeenNotificationsAtDraftEvent(): TDraftEvent {
return {
kind: kinds.Application,
content: 'Records read time to sync notification status across devices.',
tags: [['d', ApplicationDataKey.NOTIFICATIONS_SEEN_AT]],
tags: [buildDTag(ApplicationDataKey.NOTIFICATIONS_SEEN_AT)],
created_at: dayjs().unix()
}
}
@@ -353,7 +330,7 @@ export function createBlossomServerListDraftEvent(servers: string[]): TDraftEven
return {
kind: ExtendedKind.BLOSSOM_SERVER_LIST,
content: '',
tags: servers.map((server) => ['server', normalizeHttpUrl(server)]),
tags: servers.map((server) => buildServerTag(server)),
created_at: dayjs().unix()
}
}
@@ -394,39 +371,21 @@ async function extractRelatedEventIds(content: string, parentEvent?: Event) {
if (parentEvent) {
const _rootETag = getRootETag(parentEvent)
if (_rootETag) {
parentETag = [
'e',
parentEvent.id,
client.getEventHint(parentEvent.id),
'reply',
parentEvent.pubkey
]
parentETag = buildETagWithMarker(parentEvent.id, parentEvent.pubkey, '', 'reply')
const [, rootEventHexId, hint, , rootEventPubkey] = _rootETag
if (rootEventPubkey) {
rootETag = [
'e',
rootEventHexId,
hint ?? client.getEventHint(rootEventHexId),
'root',
rootEventPubkey
]
rootETag = buildETagWithMarker(rootEventHexId, rootEventPubkey, hint, 'root')
} else {
const rootEventId = generateBech32IdFromETag(_rootETag)
const rootEvent = rootEventId ? await client.fetchEvent(rootEventId) : undefined
rootETag = rootEvent
? ['e', rootEvent.id, hint ?? client.getEventHint(rootEvent.id), 'root', rootEvent.pubkey]
: ['e', rootEventHexId, hint ?? client.getEventHint(rootEventHexId), 'root']
? buildETagWithMarker(rootEvent.id, rootEvent.pubkey, hint, 'root')
: buildETagWithMarker(rootEventHexId, rootEventPubkey, hint, 'root')
}
} else {
// reply to root event
rootETag = [
'e',
parentEvent.id,
client.getEventHint(parentEvent.id),
'root',
parentEvent.pubkey
]
rootETag = buildETagWithMarker(parentEvent.id, parentEvent.pubkey, '', 'root')
}
}
@@ -439,12 +398,11 @@ async function extractRelatedEventIds(content: string, parentEvent?: Event) {
async function extractCommentMentions(content: string, parentEvent: Event) {
const quoteEventIds: string[] = []
const parentEventIsReplaceable = isReplaceableEvent(parentEvent.kind)
const rootCoordinateTag =
parentEvent.kind === ExtendedKind.COMMENT
? parentEvent.tags.find(tagNameEquals('A'))
: isReplaceableEvent(parentEvent.kind)
? ['A', getReplaceableEventCoordinate(parentEvent), client.getEventHint(parentEvent.id)]
? buildATag(parentEvent, true)
: undefined
const rootEventId =
parentEvent.kind === ExtendedKind.COMMENT
@@ -463,13 +421,6 @@ async function extractCommentMentions(content: string, parentEvent: Event) {
? parentEvent.tags.find(tagNameEquals('I'))?.[1]
: undefined
const parentEventId = parentEvent.id
const parentCoordinate = parentEventIsReplaceable
? getReplaceableEventCoordinate(parentEvent)
: undefined
const parentKind = parentEvent.kind
const parentPubkey = parentEvent.pubkey
const addToSet = (arr: string[], item: string) => {
if (!arr.includes(item)) arr.push(item)
}
@@ -496,10 +447,7 @@ async function extractCommentMentions(content: string, parentEvent: Event) {
rootKind,
rootPubkey,
rootUrl,
parentEventId,
parentCoordinate,
parentKind,
parentPubkey
parentEvent
}
}
@@ -518,3 +466,102 @@ function extractHashtags(content: string) {
function extractImagesFromContent(content: string) {
return content.match(/https?:\/\/[^\s"']+\.(jpg|jpeg|png|gif|webp|heic)/gi)
}
function buildATag(event: Event, upperCase: boolean = false) {
const coordinate = getReplaceableEventCoordinate(event)
const hint = client.getEventHint(event.id)
return trimTagEnd([upperCase ? 'A' : 'a', coordinate, hint])
}
function buildDTag(identifier: string) {
return ['d', identifier]
}
function buildETag(
eventHexId: string,
pubkey: string = '',
hint: string = '',
upperCase: boolean = false
) {
if (!hint) {
hint = client.getEventHint(eventHexId)
}
return trimTagEnd([upperCase ? 'E' : 'e', eventHexId, hint, pubkey])
}
function buildETagWithMarker(
eventHexId: string,
pubkey: string = '',
hint: string = '',
marker: 'root' | 'reply' | '' = ''
) {
if (!hint) {
hint = client.getEventHint(eventHexId)
}
return trimTagEnd(['e', eventHexId, hint, marker, pubkey])
}
function buildITag(url: string, upperCase: boolean = false) {
return [upperCase ? 'I' : 'i', url]
}
function buildKTag(kind: number | string, upperCase: boolean = false) {
return [upperCase ? 'K' : 'k', kind.toString()]
}
function buildPTag(pubkey: string, upperCase: boolean = false) {
return [upperCase ? 'P' : 'p', pubkey]
}
function buildQTag(eventHexId: string) {
return trimTagEnd(['q', eventHexId, client.getEventHint(eventHexId)]) // TODO: pubkey
}
function buildRTag(url: string, scope: TMailboxRelayScope) {
return scope === 'both' ? ['r', url, scope] : ['r', url]
}
function buildTTag(hashtag: string) {
return ['t', hashtag]
}
function buildEmojiTag(emoji: TEmoji) {
return ['emoji', emoji.shortcode, emoji.url]
}
function buildTitleTag(title: string) {
return ['title', title]
}
function buildRelayTag(url: string) {
return ['relay', url]
}
function buildServerTag(url: string) {
return ['server', url]
}
function buildImetaTag(nip94Tags: string[][]) {
return ['imeta', ...nip94Tags.map(([n, v]) => `${n} ${v}`)]
}
function buildClientTag() {
return ['client', 'jumble']
}
function buildNsfwTag() {
return ['content-warning', 'NSFW']
}
function buildProtectedTag() {
return ['-']
}
function trimTagEnd(tag: string[]) {
let endIndex = tag.length - 1
while (endIndex >= 0 && tag[endIndex] === '') {
endIndex--
}
return tag.slice(0, endIndex + 1)
}