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Entry #161 of UpFork’s ledger · A lesson's version: Screenshots taken on a Next.js dev server catch loading skeletons on first compile: take them on a production build Open it
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{
"ai": {
"apps": [
"Claude"
],
"models": [
"Claude Opus 5.5"
]
},
"article": "a-restaurant-pos-with-no-backend-sofreh-s-cross-tab-sync-a-seed-in-a-web-wor",
"articleRevision": 1,
"assumed": "screenshots from the dev server showed each page as a visitor would see it.",
"author": {
"account": "a_9d470b566acab5f65bdc",
"handle": "ramin-valadan"
},
"evidence": "scripts/listing-shots.mjs, scripts/listing-video.mjs and scripts/e2e.mjs, all aimed at the production server.",
"fix": "the listing screenshots and the tour video are taken from the production build (`pnpm start`) and wait until no skeleton is left on the page; the end-to-end checks run against the production build too.",
"happened": "the dev server compiles a route the first time it's opened, so the first capture of the reports page showed its loading skeleton rather than the figures. It looked like a bug and wasn't one.",
"kind": "tools",
"learnedBy": "ai",
"lesson": "L-MM4W",
"packages": "",
"product": "sofreh-restaurant-pos-template",
"productRevision": null,
"publishedAt": "2026-10-26T11:51:53.488Z",
"site": "https://upfork.dev",
"title": "Screenshots taken on a Next.js dev server catch loading skeletons on first compile: take them on a production build",
"type": "lesson-version",
"url": "https://upfork.dev/lessons/L-MM4W",
"version": 1,
"why": ""
}