a1951c3aeb
功能: - 网站收藏管理（添加/编辑/删除/收藏） - 分类管理（支持自定义图标和颜色） - 搜索功能 - 点击统计 - 现代暗色主题 UI 技术栈: - 后端: Python Flask + MySQL - 前端: React + Vite + Tailwind CSS - 数据库: MySQL (192.168.8.160) - 端口: 后端 5003, 前端 5173
27 lines
820 B
JavaScript
27 lines
820 B
JavaScript
import { getRandomBytesAsync } from 'expo-random'
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import { urlAlphabet } from '../url-alphabet/index.js'
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let random = getRandomBytesAsync
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let customAlphabet = (alphabet, defaultSize = 21) => {
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let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1
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let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length)
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let tick = (id, size = defaultSize) =>
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random(step).then(bytes => {
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let i = step
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while (i--) {
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id += alphabet[bytes[i] & mask] || ''
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if (id.length >= size) return id
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}
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return tick(id, size)
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})
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return size => tick('', size)
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}
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let nanoid = (size = 21) =>
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random((size |= 0)).then(bytes => {
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let id = ''
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while (size--) {
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id += urlAlphabet[bytes[size] & 63]
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}
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return id
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})
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export { nanoid, customAlphabet, random }
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