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import {AtUri} from '@atproto/api'
import {PROD_SERVICE} from 'state/index'
import TLDs from 'tlds'
import psl from 'psl'
export function isValidDomain(str: string): boolean {
return !!TLDs.find(tld => {
let i = str.lastIndexOf(tld)
if (i === -1) {
return false
}
return str.charAt(i - 1) === '.' && i === str.length - tld.length
})
}
export function makeRecordUri(
didOrName: string,
collection: string,
rkey: string,
) {
const urip = new AtUri('at://host/')
urip.host = didOrName
urip.collection = collection
urip.rkey = rkey
return urip.toString()
}
export function toNiceDomain(url: string): string {
try {
const urlp = new URL(url)
if (`https://${urlp.host}` === PROD_SERVICE) {
return 'Bluesky Social'
}
return urlp.host ? urlp.host : url
} catch (e) {
return url
}
}
export function toShortUrl(url: string): string {
try {
const urlp = new URL(url)
if (urlp.protocol !== 'http:' && urlp.protocol !== 'https:') {
return url
}
const path =
(urlp.pathname === '/' ? '' : urlp.pathname) + urlp.search + urlp.hash
if (path.length > 15) {
return urlp.host + path.slice(0, 13) + '...'
}
return urlp.host + path
} catch (e) {
return url
}
}
export function toShareUrl(url: string): string {
if (!url.startsWith('https')) {
const urlp = new URL('https://bsky.app')
urlp.pathname = url
url = urlp.toString()
}
return url
}
export function isBskyAppUrl(url: string): boolean {
return url.startsWith('https://bsky.app/')
}
export function isExternalUrl(url: string): boolean {
return !isBskyAppUrl(url) && url.startsWith('http')
}
export function isBskyPostUrl(url: string): boolean {
if (isBskyAppUrl(url)) {
try {
const urlp = new URL(url)
return /profile\/(?<name>[^/]+)\/post\/(?<rkey>[^/]+)/i.test(
urlp.pathname,
)
} catch {}
}
return false
}
export function isBskyCustomFeedUrl(url: string): boolean {
if (isBskyAppUrl(url)) {
try {
const urlp = new URL(url)
return /profile\/(?<name>[^/]+)\/feed\/(?<rkey>[^/]+)/i.test(
urlp.pathname,
)
} catch {}
}
return false
}
export function isBskyListUrl(url: string): boolean {
if (isBskyAppUrl(url)) {
try {
const urlp = new URL(url)
return /profile\/(?<name>[^/]+)\/lists\/(?<rkey>[^/]+)/i.test(
urlp.pathname,
)
} catch {
console.error('Unexpected error in isBskyListUrl()', url)
}
}
return false
}
export function convertBskyAppUrlIfNeeded(url: string): string {
if (isBskyAppUrl(url)) {
try {
const urlp = new URL(url)
return urlp.pathname
} catch (e) {
console.error('Unexpected error in convertBskyAppUrlIfNeeded()', e)
}
}
return url
}
export function listUriToHref(url: string): string {
try {
const {hostname, rkey} = new AtUri(url)
return `/profile/${hostname}/lists/${rkey}`
} catch {
return ''
}
}
export function feedUriToHref(url: string): string {
try {
const {hostname, rkey} = new AtUri(url)
return `/profile/${hostname}/feed/${rkey}`
} catch {
return ''
}
}
export function getYoutubeVideoId(link: string): string | undefined {
let url
try {
url = new URL(link)
} catch (e) {
return undefined
}
if (
url.hostname !== 'www.youtube.com' &&
url.hostname !== 'youtube.com' &&
url.hostname !== 'youtu.be'
) {
return undefined
}
if (url.hostname === 'youtu.be') {
const videoId = url.pathname.split('/')[1]
if (!videoId) {
return undefined
}
return videoId
}
const videoId = url.searchParams.get('v') as string
if (!videoId) {
return undefined
}
return videoId
}
export function linkRequiresWarning(uri: string, label: string) {
const labelDomain = labelToDomain(label)
if (!labelDomain) {
return true
}
try {
const urip = new URL(uri)
return labelDomain !== urip.hostname
} catch {
return true
}
}
function labelToDomain(label: string): string | undefined {
// any spaces just immediately consider the label a non-url
if (/\s/.test(label)) {
return undefined
}
try {
return new URL(label).hostname
} catch {}
try {
return new URL('https://' + label).hostname
} catch {}
return undefined
}
export function isPossiblyAUrl(str: string): boolean {
str = str.trim()
if (str.startsWith('http://')) {
return true
}
if (str.startsWith('https://')) {
return true
}
const [firstWord] = str.split(/[\s\/]/)
return isValidDomain(firstWord)
}
export function splitApexDomain(hostname: string): [string, string] {
const hostnamep = psl.parse(hostname)
if (hostnamep.error || !hostnamep.listed || !hostnamep.domain) {
return ['', hostname]
}
return [
hostnamep.subdomain ? `${hostnamep.subdomain}.` : '',
hostnamep.domain,
]
}
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