Bluesky app fork with some witchin' additions 💫 forked from jollywhoppers.com/witchsky.app
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export function enforceLen( str: string, len: number, ellipsis = false, mode: 'end' | 'middle' = 'end',): string { str = str || '' if (str.length > len) { if (ellipsis) { if (mode === 'end') { return str.slice(0, len) + '…' } else if (mode === 'middle') { const half = Math.floor(len / 2) return str.slice(0, half) + '…' + str.slice(-half) } else { // fallback return str.slice(0, len) } } else { return str.slice(0, len) } } return str}
export function useEnforceMaxGraphemeCount() { const splitter = useMemo(() => new Graphemer(), [])
return useCallback( (text: string, maxCount: number) => { if (splitter.countGraphemes(text) > maxCount) { return splitter.splitGraphemes(text).slice(0, maxCount).join('') } else { return text } }, [splitter], )}
export function useWarnMaxGraphemeCount({ text, maxCount,}: { text: string maxCount: number}) { const splitter = useMemo(() => new Graphemer(), [])
return useMemo(() => { return splitter.countGraphemes(text) > maxCount }, [splitter, maxCount, text])}
// https://stackoverflow.com/a/52171480export function toHashCode(str: string, seed = 0): number { let h1 = 0xdeadbeef ^ seed, h2 = 0x41c6ce57 ^ seed for (let i = 0, ch; i < str.length; i++) { ch = str.charCodeAt(i) h1 = Math.imul(h1 ^ ch, 2654435761) h2 = Math.imul(h2 ^ ch, 1597334677) } h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909) h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909)
return 4294967296 * (2097151 & h2) + (h1 >>> 0)}
export function countLines(str: string | undefined): number { if (!str) return 0 return str.match(/\n/g)?.length ?? 0}
// Augments search query with additional syntax like `from:me`export function augmentSearchQuery(query: string, {did}: {did?: string}) { // Don't do anything if there's no DID if (!did) { return query }
// replace “smart quotes” with normal ones // iOS keyboard will add fancy unicode quotes, but only normal ones work query = query.replaceAll(/[“”]/g, '"')
// We don't want to replace substrings that are being "quoted" because those // are exact string matches, so what we'll do here is to split them apart
// Even-indexed strings are unquoted, odd-indexed strings are quoted const splits = query.split(/("(?:[^"\\]|\\.)*")/g)
return splits .map((str, idx) => { if (idx % 2 === 0) { return str.replaceAll(/(^|\s)from:me(\s|$)/g, `$1${did}$2`) }
return str }) .join('')}