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