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import {AdxUri} from '../../third-party/uri'
import {Entity as Entities} from '../../third-party/api/src/types/todo/social/post'
type Entity = Entities[0]
export function pluralize(n: number, base: string, plural?: string): string {
if (n === 1) {
return base
}
if (plural) {
return plural
}
return base + 's'
}
export function makeRecordUri(
didOrName: string,
collection: string,
recordKey: string,
) {
const urip = new AdxUri(`adx://host/`)
urip.host = didOrName
urip.collection = collection
urip.recordKey = recordKey
return urip.toString()
}
const MINUTE = 60
const HOUR = MINUTE * 60
const DAY = HOUR * 24
const MONTH = DAY * 30
const YEAR = DAY * 365
export function ago(date: number | string | Date): string {
let ts: number
if (typeof date === 'string') {
ts = Number(new Date(date))
} else if (date instanceof Date) {
ts = Number(date)
} else {
ts = date
}
const diffSeconds = Math.floor((Date.now() - ts) / 1e3)
if (diffSeconds === 0) {
return 'just now'
} else if (diffSeconds < MINUTE) {
return `${diffSeconds}s`
} else if (diffSeconds < HOUR) {
return `${Math.floor(diffSeconds / MINUTE)}m`
} else if (diffSeconds < DAY) {
return `${Math.floor(diffSeconds / HOUR)}h`
} else if (diffSeconds < MONTH) {
return `${Math.floor(diffSeconds / DAY)}d`
} else if (diffSeconds < YEAR) {
return `${Math.floor(diffSeconds / MONTH)}mo`
} else {
return new Date(ts).toLocaleDateString()
}
}
export function extractEntities(text: string): Entity[] | undefined {
let match
let ents: Entity[] = []
const re = /(^|\s)(@)([a-zA-Z0-9\.-]+)(\b)/dg
while ((match = re.exec(text))) {
ents.push({
type: 'mention',
value: match[3],
index: [
match.indices[2][0], // skip the (^|\s) but include the '@'
match.indices[3][1],
],
})
}
return ents.length > 0 ? ents : undefined
}
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