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+// P20 结构对拍：把 v2.9.2 原文页（本地经典页，jsdom 真跑）与 Vue SSR 输出逐页签比「结构骨架」
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+// = #root 下每个元素的 `tag.class…`（忽略 svg/canvas/script/style 与文本）
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+// 用法：node tools/struct_diff.mjs [gateway] [tab…]
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+import { readFileSync } from 'node:fs'
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+import { fileURLToPath, pathToFileURL } from 'node:url'
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+import { dirname, resolve } from 'node:path'
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+import { JSDOM, VirtualConsole } from 'jsdom'
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+
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+const HERE = dirname(fileURLToPath(import.meta.url))
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+const GATEWAY = process.argv[2] || 'http://106.120.102.238:28084'
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+const TABS = process.argv.slice(3).length ? process.argv.slice(3)
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+ : ['overview', 'energy', 'component', 'fault', 'vibration', 'generation', 'decision', 'assistant', 'report', 'system']
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+const CLASSIC = resolve(HERE, '../../../release/web/detail_v2.html')
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+
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+const norm = (s) => String(s || '').replace(/\s+/g, ' ').trim()
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+
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+function skeletonIn(root) {
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+ const out = []
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+ const walk = (el) => {
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+ for (const c of Array.from(el.children)) {
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+ const tag = c.tagName.toLowerCase()
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+ if (tag === 'canvas' || tag === 'svg' || tag === 'script' || tag === 'style') continue
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+ const cls = (c.getAttribute('class') || '').split(/\s+/).filter(Boolean).sort().join('.')
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+ out.push(tag + (cls ? '.' + cls : ''))
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+ walk(c)
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+ }
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+ }
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+ walk(root)
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+ return out
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+}
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+
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+const API_KEEP = ['/api/maint_survey', '/api/facts', '/api/ont_chain', '/api/ask_models',
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+ '/api/ask_status', '/api/vibcms', '/api/turbine', '/api/problem', '/api/channel']
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+
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+function installFetch(window, state) {
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+ state.apis = state.apis || {}
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+ window.fetch = async (input, init) => {
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+ const raw = typeof input === 'string' ? input : (input && input.url) || String(input)
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+ const url = raw.startsWith('http') ? raw : GATEWAY + (raw.startsWith('/') ? raw : '/' + raw)
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+ const r = await fetch(url, init)
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+ const body = await r.text()
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+ let j = null
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+ try { j = JSON.parse(body) } catch { /* ignore */ }
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+ const path = url.slice(GATEWAY.length).split('?')[0]
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+ if (path === '/api/fleet' && !state.fleet) state.fleet = j
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+ if (path === '/api/vibcms' && !state.cms) state.cms = j
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+ if (API_KEEP.includes(path) && !state.apis[path]) state.apis[path] = j
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+ return { ok: r.ok, status: r.status, headers: r.headers, text: async () => body, json: async () => j }
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+ }
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+}
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+
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+/** generation 前置：把 /api/curves 追到出图（与呈现对拍同口径）。 */
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+async function awaitCurves(tries = 20, gapMs = 3000) {
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+ for (let k = 0; k < tries; k++) {
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+ const r = await fetch(GATEWAY + '/api/curves')
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+ if (r.ok) {
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+ const j = await r.json()
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+ if (!j.building && (j.figs || []).length) return j
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+ }
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+ await new Promise((r2) => setTimeout(r2, gapMs))
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+ }
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+ throw new Error('等 /api/curves 出图超时')
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+}
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+
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+async function baseline(tab) {
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+ const state = {}
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+ if (tab === 'generation') { state.curves = await awaitCurves(); console.log(' [i] curves figs ' + (state.curves.figs || []).length) }
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+ const html = readFileSync(CLASSIC, 'utf8')
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+ const dom = new JSDOM(html, {
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+ url: GATEWAY + `/detail/v2#tab=${tab}`,
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+ runScripts: 'dangerously', pretendToBeVisual: true,
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+ virtualConsole: new VirtualConsole(),
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+ beforeParse: (w) => installFetch(w, state),
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+ })
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+ const doc = dom.window.document
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+ for (let i = 0; i < 120; i++) {
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+ const root = doc.getElementById('root')
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+ if (root && root.querySelector('.page-head')) break
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+ await new Promise((r) => setTimeout(r, 500))
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+ }
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+ return { root: doc.getElementById('root'), data: state.fleet, cms: state.cms ?? null,
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+ curves: state.curves ?? null, apis: state.apis ?? {} }
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+}
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+
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+async function vueSkel(tab, data, cms, curves, apis) {
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+ const entry = pathToFileURL(resolve(HERE, '../target/ssr/entry-server.js')).href
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+ const html = await (await import(entry)).renderTab(data, tab, null, cms, curves, apis)
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+ const dom = new JSDOM(`<div id="wrap">${html}</div>`)
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+ const wrap = dom.window.document.getElementById('wrap')
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+ const nav = wrap.querySelector('.wb-tabs')
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+ if (nav) nav.remove()
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+ return skeletonIn(wrap)
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+}
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+
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+let bad = 0
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+for (const tab of TABS) {
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+ const { root, data, cms, curves, apis } = await baseline(tab)
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+ if (!root) { console.log(`[X] ${tab}: 基线未渲染`); bad++; continue }
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+ const a = skeletonIn(root)
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+ const b = await vueSkel(tab, data, cms, curves, apis)
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+ if (a.length === b.length && a.every((x, i) => x === b[i])) {
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+ console.log(`[OK] ${tab} 结构一致（${a.length} 个元素）`)
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+ } else {
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+ bad++
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+ const diffs = []
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+ for (let i = 0; i < Math.max(a.length, b.length) && diffs.length < 4; i++) {
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+ if (a[i] !== b[i]) diffs.push(`#${i} 基准=${a[i] || '∅'} · Vue=${b[i] || '∅'}`)
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+ }
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+ console.log(`[X] ${tab} 元素数 基准 ${a.length} · Vue ${b.length}`)
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+ for (const d of diffs) console.log(` ${d}`)
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+ }
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+}
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+console.log(`\n结构对拍结论: ${TABS.length - bad}/${TABS.length} 页签结构一致`)
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+process.exit(bad ? 9 : 0)
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