| 1 | <!-- |
| 2 | A simple wrapper for embedded Bluesky posts |
| 3 | |
| 4 | Usage: |
| 5 | |
| 6 | <BlueSky uri="at://did:plc:432mbsu2xucyvxl6sluohidu/app.bsky.feed.post/3lgwg2vy44s2q" /> |
| 7 | <BlueSky uri="https://bsky.app/profile/sli.dev/post/3lgwg2vy44s2q" /> |
| 8 | --> |
| 9 | |
| 10 | <script setup lang="ts"> |
| 11 | import { nextTick, onMounted, ref } from 'vue' |
| 12 | import { isDark } from '../logic/dark' |
| 13 | |
| 14 | const props = defineProps<{ |
| 15 | uri: string |
| 16 | scale?: string | number |
| 17 | }>() |
| 18 | |
| 19 | const RE_BLUESKY_POST_URL = /^\/profile\/([^/]+)\/post\/([^/?#]+)$/ |
| 20 | |
| 21 | const container = ref<HTMLElement | null>(null) |
| 22 | const loaded = ref(false) |
| 23 | const postNotFound = ref(false) |
| 24 | const resolvedUri = ref('') |
| 25 | const resolvedPostUrl = ref('') |
| 26 | |
| 27 | const RESOLVE_HANDLE_URL = 'https://public.api.bsky.app/xrpc/com.atproto.identity.resolveHandle' |
| 28 | const GET_POST_THREAD_URL = 'https://public.api.bsky.app/xrpc/app.bsky.feed.getPostThread' |
| 29 | |
| 30 | interface BlueskyThreadResponse { |
| 31 | thread?: { |
| 32 | post?: { |
| 33 | uri?: string |
| 34 | } |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | function scan(retries = 10) { |
| 39 | // @ts-expect-error global |
| 40 | if (!window.bluesky?.scan) { |
| 41 | if (retries <= 0) |
| 42 | console.error('Failed to load Bluesky embed widget after 10 retries.') |
| 43 | if (retries <= 0) |
| 44 | return |
| 45 | setTimeout(scan, 1000, retries - 1) |
| 46 | return |
| 47 | } |
| 48 | // @ts-expect-error global |
| 49 | window.bluesky.scan(container.value || undefined) |
| 50 | } |
| 51 | |
| 52 | function extractPostInfoFromUrl(input: string) { |
| 53 | try { |
| 54 | const url = new URL(input) |
| 55 | const match = url.pathname.match(RE_BLUESKY_POST_URL) |
| 56 | if (!match) |
| 57 | return |
| 58 | return { |
| 59 | handle: decodeURIComponent(match[1]), |
| 60 | postId: decodeURIComponent(match[2]), |
| 61 | postUrl: url.toString(), |
| 62 | } |
| 63 | } |
| 64 | catch {} |
| 65 | } |
| 66 | |
| 67 | async function resolvePostUri(input: string) { |
| 68 | try { |
| 69 | if (input.startsWith('at://')) { |
| 70 | resolvedUri.value = input |
| 71 | resolvedPostUrl.value = '' |
| 72 | return true |
| 73 | } |
| 74 | |
| 75 | const info = extractPostInfoFromUrl(input) |
| 76 | if (!info) |
| 77 | return false |
| 78 | |
| 79 | const handleResponse = await fetch(`${RESOLVE_HANDLE_URL}?handle=${encodeURIComponent(info.handle)}`) |
| 80 | if (!handleResponse.ok) |
| 81 | return false |
| 82 | const handleData = await handleResponse.json() as { did?: string } |
| 83 | if (!handleData.did) |
| 84 | return false |
| 85 | |
| 86 | const uri = `at://${handleData.did}/app.bsky.feed.post/${info.postId}` |
| 87 | const threadResponse = await fetch( |
| 88 | `${GET_POST_THREAD_URL}?uri=${encodeURIComponent(uri)}&depth=0&parentHeight=0`, |
| 89 | ) |
| 90 | if (!threadResponse.ok) |
| 91 | return false |
| 92 | |
| 93 | const threadData = await threadResponse.json() as BlueskyThreadResponse |
| 94 | const canonicalUri = threadData.thread?.post?.uri |
| 95 | if (!canonicalUri) |
| 96 | return false |
| 97 | |
| 98 | resolvedUri.value = canonicalUri |
| 99 | resolvedPostUrl.value = info.postUrl |
| 100 | return true |
| 101 | } |
| 102 | catch { |
| 103 | return false |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | async function create(retries = 10) { |
| 108 | loaded.value = false |
| 109 | postNotFound.value = false |
| 110 | |
| 111 | if (!resolvedUri.value) { |
| 112 | const ok = await resolvePostUri(props.uri) |
| 113 | if (!ok) { |
| 114 | postNotFound.value = true |
| 115 | loaded.value = true |
| 116 | return |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | await nextTick() |
| 121 | |
| 122 | // @ts-expect-error global |
| 123 | if (!window.bluesky?.scan) { |
| 124 | if (retries <= 0) { |
| 125 | console.error('Failed to load Bluesky embed widget after 10 retries.') |
| 126 | postNotFound.value = true |
| 127 | loaded.value = true |
| 128 | return |
| 129 | } |
| 130 | setTimeout(create, 1000, retries - 1) |
| 131 | return |
| 132 | } |
| 133 | |
| 134 | scan() |
| 135 | loaded.value = true |
| 136 | } |
| 137 | |
| 138 | onMounted(async () => { |
| 139 | await create() |
| 140 | }) |
| 141 | </script> |
| 142 | |
| 143 | <template> |
| 144 | <Transform :scale="scale || 1"> |
| 145 | <div ref="container" class="slidev-bluesky"> |
| 146 | <blockquote |
| 147 | v-if="resolvedUri" |
| 148 | class="bluesky-embed" |
| 149 | :data-bluesky-uri="resolvedUri" |
| 150 | :data-bluesky-embed-color-mode="isDark ? 'dark' : 'light'" |
| 151 | /> |
| 152 | <div v-if="!loaded || postNotFound" class="h-30 w-30 my-10px bg-gray-400 bg-opacity-10 rounded-lg flex opacity-50"> |
| 153 | <div class="m-auto animate-pulse text-4xl"> |
| 154 | <div class="i-simple-icons:bluesky" /> |
| 155 | <span v-if="postNotFound">Could not load Bluesky post</span> |
| 156 | </div> |
| 157 | </div> |
| 158 | </div> |
| 159 | </Transform> |
| 160 | </template> |
| 161 | |
| 162 | <style> |
| 163 | .slidev-bluesky .bluesky-embed iframe { |
| 164 | border-radius: 12px; |
| 165 | overflow: hidden; |
| 166 | } |
| 167 | </style> |
| 168 |