{
  "version": 3,
  "sources": ["prefetch.js"],
  "sourcesContent": ["// ─────────────────────────────────────────────────────────────────────────\n// Prefetch: read a crawl's payload into the cache before the reader opens it.\n//\n// The crawl hub and every viewer (report, reader, foundation, plan, questions)\n// read `/api/audit` through swr() under `audit:<id>` with AUDIT_TTL. Warming THAT\n// key with THAT request is what makes the next page paint at once; a different\n// key or body would warm a copy nobody reads. The multi-MB answers payload\n// (`qr:<id>`) is never prefetched: it is only read by the answers views, and it\n// would crowd the per-tab storage quota out for everything else.\n//\n// apiPost is passed in rather than imported, so this module stays free of the\n// auth client (and testable on its own).\n// ─────────────────────────────────────────────────────────────────────────\nimport { warm, AUDIT_TTL } from \"/account/datacache.js\";\n\nexport const auditKey = (id) => `audit:${id}`;\n\nconst WARMED = new Set();\n\n// Warm one crawl, at most once per page. Resolves true when it read the network.\nexport function warmCrawl(id, apiPost) {\n  if (!id || typeof apiPost !== \"function\" || WARMED.has(id)) return Promise.resolve(false);\n  WARMED.add(id);\n  return warm(auditKey(id), () => apiPost(\"/api/audit\", { id }), { ttl: AUDIT_TTL });\n}\n\n// Test seam only.\nexport function _resetWarmed() { WARMED.clear(); }\n\n// The newest crawls that have something delivered to open (a foundation or a\n// report), newest first, at most n. Rows are the home page's `audits` select.\nexport function prefetchTargets(audits, n = 3) {\n  const rows = (Array.isArray(audits) ? audits : [])\n    .filter((a) => a && a.id && (a.numbers_published_at || a.foundation_published_at))\n    .slice()\n    .sort((x, y) => String(y.created_at || \"\").localeCompare(String(x.created_at || \"\")));\n  const out = [];\n  for (const a of rows) {\n    if (!out.includes(a.id)) out.push(a.id);\n    if (out.length >= n) break;\n  }\n  return out;\n}\n\n// The crawl id a link opens, when it opens a page that reads `audit:<id>`.\nconst READS_AUDIT = /^\\/account\\/(crawl|report|reader|workbench|foundation|plan|query-explorer|audit)\\/?$/;\nexport function crawlIdFromHref(href) {\n  if (!href || typeof href !== \"string\") return null;\n  try {\n    const base = typeof location !== \"undefined\" && location.origin && location.origin !== \"null\" ? location.origin : \"https://resonatelabs.co\";\n    const u = new URL(href, base);\n    if (u.origin !== base || !READS_AUDIT.test(u.pathname)) return null;\n    // A preview (?demo=1) reads a fixture, not the network.\n    if (u.searchParams.get(\"demo\") === \"1\") return null;\n    return u.searchParams.get(\"id\") || null;\n  } catch { return null; }\n}\n\n// The reader asked the browser to save data: no speculative reads at all.\nexport function saveDataOn() {\n  try { return !!(typeof navigator !== \"undefined\" && navigator.connection && navigator.connection.saveData); }\n  catch { return false; }\n}\n"],
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  "names": ["warm", "AUDIT_TTL", "id", "WARMED", "apiPost", "audits", "rows", "a", "x", "y", "out", "READS_AUDIT", "href", "base", "u"]
}