guanlan-src/app_frontEnd/web/tools/_check_500_empty.mjs

// P89 核验：模拟"清完产物"（/api/fleet 返回 500）⇒ 各页不崩、有友好文案、不出现 500
import { readFileSync } from 'node:fs'
import { fileURLToPath } from 'node:url'
import { dirname, resolve } from 'node:path'
import { JSDOM, VirtualConsole } from 'jsdom'
const HERE = dirname(fileURLToPath(import.meta.url))
const dist = resolve(HERE, '../../../release/web')
const idx = readFileSync(dist + '/index.html', 'utf8')
const jsFile = (idx.match(/src="([^"]+\.js)"/) || [])[1].replace(/^.*\//, '')
const cssFile = (idx.match(/href="([^"]+\.css)"/) || [])[1].replace(/^.*\//, '')
const code = readFileSync(dist + '/assets/' + jsFile, 'utf8')
const css = readFileSync(dist + '/assets/' + cssFile, 'utf8')
for (const tab of ['overview', 'energy', 'component', 'vibration', 'generation', 'fault', 'system']) {
  const errs = []
  const vc = new VirtualConsole()
  vc.on('jsdomError', (e) => errs.push(String(e && e.message).slice(0, 80)))
  vc.on('error', (...a) => errs.push(a.map(String).join(' ').slice(0, 80)))
  const dom = new JSDOM(idx.replace('</head>', '<style>' + css + '</style></head>'),
    { url: 'http://127.0.0.1:28084/detail/v2#tab=' + tab, runScripts: 'outside-only', pretendToBeVisual: true, virtualConsole: vc })
  const w = dom.window
  w.fetch = async (u) => {
    const s = String(u)
    if (/fleet/.test(s)) return { ok: false, status: 500, json: async () => { throw new Error('500') }, text: async () => 'Internal Server Error' }
    return { ok: true, status: 200, json: async () => ({}), text: async () => '{}' }
  }
  try { w.eval(code) } catch (e) { errs.push('EVAL ' + String(e).slice(0, 80)) }
  await new Promise((r) => setTimeout(r, 2600))
  const body = (w.document.body.textContent || '').replace(/\s+/g, ' ')
  const friendly = /产物尚未生成|数据重算/.test(body)
  const leaks = /HTTP\s*500|\b500\b/.test(body)
  console.log(tab.padEnd(11) + ' errs=' + errs.length + ' friendly=' + friendly + ' leaks500=' + leaks + ' head=' + JSON.stringify(body.slice(0, 40)))
}