陈银军
0a9ca8894a
- 前端 Vue3+Vite+Element Plus 按需引入，双主题（bright/dark）CSS 变量 - 三端响应式（桌面/平板/手机），登录/概览/检索/阈值/忽略/动态 6 页面 - 后端 Express + better-sqlite3，目录扫描 + demo 模式，清理原子写入 - Dockerfile 多阶段构建 + docker-compose（storage 只读挂载）
222 lines
7.1 KiB
JavaScript
222 lines
7.1 KiB
JavaScript
/**
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* Verdaccio 缓存目录扫描（§12.1）
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* - storage 目录解析优先级：VERDACCIO_STORAGE 环境变量 → UI 设置（settings.storage_dir）
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* - 递归扫描目录内所有 package.json，解析 versions/time，匹配 .tgz 计算占用，支持 scoped 包
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* - 未配置或无效时进入 demo 模式（VCM_DEMO=1 或首次无配置）
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*/
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import fs from 'node:fs'
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import path from 'node:path'
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import { getSetting } from './db.js'
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// —— storage 目录解析 ——
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export function resolveStorageDir() {
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return process.env.VERDACCIO_STORAGE || getSetting('storage_dir') || null
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}
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export function isValidStorage(dir) {
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if (!dir) return false
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try {
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const st = fs.statSync(dir)
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if (!st.isDirectory()) return false
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fs.accessSync(dir, fs.constants.R_OK)
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return true
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} catch {
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return false
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}
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}
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export function validateStorage(dir) {
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if (!isValidStorage(dir)) return { ok: false, message: '目录不存在或不可读' }
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// 至少包含 package.json 或 .tgz 之一，才算有效缓存目录
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const files = listFiles(dir, 1)
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const hasPkg = files.some(f => f.endsWith('package.json'))
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const hasTgz = files.some(f => f.endsWith('.tgz'))
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if (!hasPkg && !hasTgz) {
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return { ok: false, message: '目录中未找到 package.json / .tgz，不是有效的 Verdaccio 缓存目录' }
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}
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return { ok: true, message: 'ok' }
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}
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function listFiles(dir, depth = Infinity, out = []) {
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let entries
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try {
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entries = fs.readdirSync(dir, { withFileTypes: true })
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} catch {
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return out
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}
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for (const e of entries) {
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if (e.name === 'node_modules' || e.name.startsWith('.') || e.name === '.DS_Store') continue
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const full = path.join(dir, e.name)
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if (e.isDirectory()) {
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if (depth > 0) listFiles(full, depth - 1, out)
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} else {
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out.push(full)
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}
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}
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return out
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}
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function readJson(file) {
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try {
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return JSON.parse(fs.readFileSync(file, 'utf8'))
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} catch {
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return null
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}
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}
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function fmtMb(bytes) {
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return Number((bytes / 1024 / 1024).toFixed(1))
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}
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// 目录名 → 包名（支持 scoped：@scope/name）
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function dirToPkgName(segments) {
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if (segments.length >= 2 && segments[0].startsWith('@')) {
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return `${segments[0]}/${segments[1]}`
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}
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return segments[segments.length - 1]
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}
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// 从 package.json 所在目录向上推导包名
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function pkgNameFromDir(pkgDir, storageDir) {
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const rel = path.relative(storageDir, pkgDir).split(path.sep)
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return dirToPkgName(rel)
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}
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function parseVersion(v) {
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// 去前缀 v、prerelease 后缀仅比较主体
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return (String(v).replace(/^v/, '') || '').trim()
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}
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/**
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* 扫描 storage 目录
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* @returns {Array} 包列表（versionsDetail: [{version, size(MB), date}]）
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*/
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export function scanStorage(storageDir) {
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const packages = []
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if (!isValidStorage(storageDir)) return packages
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const pkgFiles = listFiles(storageDir).filter(f => f.endsWith('package.json'))
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const storageRoot = path.resolve(storageDir)
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for (const pkgFile of pkgFiles) {
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const pkgDir = path.dirname(pkgFile)
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const meta = readJson(pkgFile)
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if (!meta) {
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// 元数据损坏：标记异常包，不影响其他包
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packages.push({
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name: pkgNameFromDir(pkgDir, storageRoot),
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status: 'broken',
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versions: 0,
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size: 0,
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lastUpdated: null,
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versionsDetail: [],
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})
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continue
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}
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const versionsObj = meta.versions || {}
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const timeObj = meta.time || {}
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const distTags = meta['dist-tags'] || {}
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const versionsDetail = []
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let totalBytes = 0
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for (const [v, info] of Object.entries(versionsObj)) {
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// tgz 物理文件：Verdaccio 约定 {pkgDir}/{version}.tgz
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const tgz = path.join(pkgDir, `${v}.tgz`)
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let size = 0
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try {
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size = fs.statSync(tgz).size
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} catch {
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// 无物理文件：用元数据 dist.tarball 大小兜底（无则 0）
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size = (info && info.dist && typeof info.dist.unpackedSize === 'number') ? info.dist.unpackedSize : 0
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}
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totalBytes += size
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versionsDetail.push({
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version: parseVersion(v),
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size: fmtMb(size),
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date: timeObj[v] ? timeObj[v].slice(0, 10) : null,
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})
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}
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// 按 semver 数值排序（旧 → 新）
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versionsDetail.sort((a, b) => a.version.localeCompare(b.version, undefined, { numeric: true }))
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// 最近更新时间：取 time 字段最大
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const lastUpdated = Object.keys(timeObj).length
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? Object.entries(timeObj).sort((a, b) => b[1].localeCompare(a[1]))[0][1].slice(0, 10)
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: null
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packages.push({
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name: pkgNameFromDir(pkgDir, storageRoot),
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versions: versionsDetail.length,
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size: fmtMb(totalBytes),
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lastUpdated,
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visits: 0, // 真实环境无访问统计，界面不依赖真实值
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distTags,
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versionsDetail,
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})
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}
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return packages
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}
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// —— demo 模式数据（无真实目录时的演示） ——
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const DEMO_SEED = [
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['lodash', 25, 4, 12456], ['@antv/g2', 32, 12, 7654], ['axios', 18, 1.2, 9832],
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['react', 14, 10, 6543], ['vue', 12, 9, 5218], ['express', 16, 0.8, 4376],
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['tensorflow', 24, 90, 2103], ['typescript', 20, 22, 3421], ['webpack', 19, 18, 2876],
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['echarts', 15, 16, 1987], ['dayjs', 8, 0.6, 1789], ['uuid', 11, 0.4, 1654],
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['vite', 9, 14, 1432], ['prisma', 7, 28, 1120], ['pg', 6, 5, 986],
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['three', 10, 30, 876], ['sharp', 5, 24, 654], ['chalk', 6, 0.3, 743],
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['semver', 4, 0.3, 532], ['zod', 5, 0.5, 421],
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['prettier', 3, 1, 388], ['rollup', 8, 6, 356], ['eslint', 13, 8, 342],
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['moment', 20, 2, 312], ['mocha', 7, 1.4, 301], ['cheerio', 9, 3, 287],
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['@vue/compiler-sfc', 11, 5, 265], ['ioredis', 10, 4, 254], ['graphql', 12, 7, 243],
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['socket.io', 6, 2, 231], ['xlsx', 14, 20, 218], ['d3', 9, 12, 205],
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['puppeteer', 4, 15, 187], ['sharp', 5, 24, 176],
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]
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function pad(n) { return String(n).padStart(2, '0') }
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function dateStr(offset) {
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const d = new Date(Date.now() - offset * 86400000)
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return `${d.getUTCFullYear()}-${pad(d.getUTCMonth() + 1)}-${pad(d.getUTCDate())}`
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}
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function rnd(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min }
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function genVersions(count) {
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const list = []
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for (let i = 0; i < count; i++) {
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list.push({
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version: `1.${rnd(0, 9)}.${rnd(0, 20)}`,
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size: Number((rnd(5, 400) / 10).toFixed(1)),
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date: dateStr((count - i) * rnd(3, 9)),
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})
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}
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list.sort((a, b) => a.version.localeCompare(b.version, undefined, { numeric: true }))
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return list
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}
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export function demoPackages() {
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const seen = new Set()
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return DEMO_SEED.filter(([n]) => !seen.has(n) && seen.add(n)).map(([name, verCount, sizeBase, visits]) => {
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const detail = genVersions(verCount)
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return {
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name,
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versions: detail.length,
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size: Number((detail.reduce((s, v) => s + v.size, 0)).toFixed(1)),
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lastUpdated: detail.length ? detail[detail.length - 1].date : null,
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visits,
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distTags: { latest: detail.length ? detail[detail.length - 1].version : '1.0.0' },
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versionsDetail: detail,
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}
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})
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}
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export function demoSummary() {
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return {
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demo: true,
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todayDownloads: 1234,
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todayTrend: '+18%',
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note: '演示模式：未配置 Verdaccio 缓存目录，展示内置演示数据。',
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}
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}
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