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lenooby09.tech
1export function pluralize(n: number, base: string, plural?: string): string {
2 if (n === 1) {
3 return base
4 }
5 if (plural) {
6 return plural
7 }
8 return base + 's'
9}
10
11export function enforceLen(str: string, len: number, ellipsis = false): string {
12 str = str || ''
13 if (str.length > len) {
14 return str.slice(0, len) + (ellipsis ? '...' : '')
15 }
16 return str
17}
18
19// https://stackoverflow.com/a/52171480
20export function toHashCode(str: string, seed = 0): number {
21 let h1 = 0xdeadbeef ^ seed,
22 h2 = 0x41c6ce57 ^ seed
23 for (let i = 0, ch; i < str.length; i++) {
24 ch = str.charCodeAt(i)
25 h1 = Math.imul(h1 ^ ch, 2654435761)
26 h2 = Math.imul(h2 ^ ch, 1597334677)
27 }
28 h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507)
29 h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909)
30 h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507)
31 h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909)
32
33 return 4294967296 * (2097151 & h2) + (h1 >>> 0)
34}