[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_228":-5,"_231":232,"_233":234},"routes/shell",{"_41":42,"_227":-5,"_228":-5,"_229":230},"routes/repo",{"_34":-7,"_35":36,"_37":38,"_39":40,"_41":42,"_43":32,"_44":32,"_45":32,"_46":32,"_47":32,"_48":32,"_49":50,"_51":50,"_52":32,"_53":-7,"_54":-7,"_55":56,"_57":58,"_59":60,"_61":-5,"_62":63,"_64":65,"_66":67,"_68":69},"routes/repo.blob",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":22,"_23":24,"_25":-5,"_26":27,"_28":29,"_29":30,"_31":32,"_33":14},"ref","main","path","apps/web/src/repository-snapshot.ts","oid","5f2df44b33f72609dad0ca522bdff3a620f232d3","size",9819,"commit","2182c95de44a8f63fd86af1c5874ae0ca298f807","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import * as Api from \"./api\";\nimport { ACTIVE_USER_KEY, cacheKey, storage } from \"./repository-cache\";\n\nexport { clearRepositoryCache } from \"./repository-cache\";\n\nconst CACHE_VERSION = 1;\nconst FRESH_MS = 30_000;\nconst MAX_LIST_PAGES = 100;\n\ntype CachedPage = {\n\tpage: number;\n\tetag?: string;\n\tvalue: T;\n};\n\nexport type RepositorySnapshot = {\n\tversion: typeof CACHE_VERSION;\n\tuserId: string;\n\tvalidatedAt: number;\n\tinstallationPages: CachedPage[];\n\trepositoryPages: Record[]>;\n};\n\nexport type InstalledRepositoryGroup = {\n\tinstallation: Api.GitHubInstallation;\n\trepositories: Api.Repository[];\n};\n\nfunction record(value: unknown): Record | undefined {\n\treturn value && typeof value === \"object\" && !Array.isArray(value)\n\t\t? value as Record\n\t\t: undefined;\n}\n\nfunction nextPage(value: unknown): boolean {\n\treturn value === undefined || (Number.isSafeInteger(value) && Number(value) > 0);\n}\n\nfunction repository(value: unknown): value is Api.Repository {\n\tlet item = record(value);\n\tlet permissions = record(item?.permissions);\n\treturn !!item\n\t\t&& typeof item.id === \"string\"\n\t\t&& typeof item.owner === \"string\"\n\t\t&& (item.ownerAvatarUrl === undefined || typeof item.ownerAvatarUrl === \"string\")\n\t\t&& typeof item.name === \"string\"\n\t\t&& typeof item.fullName === \"string\"\n\t\t&& typeof item.private === \"boolean\"\n\t\t&& typeof item.url === \"string\"\n\t\t&& typeof item.defaultBranch === \"string\"\n\t\t&& !!permissions\n\t\t&& typeof permissions.pull === \"boolean\"\n\t\t&& typeof permissions.push === \"boolean\"\n\t\t&& typeof permissions.admin === \"boolean\";\n}\n\nfunction installation(value: unknown): value is Api.GitHubInstallation {\n\tlet item = record(value);\n\tlet account = record(item?.account);\n\tlet permissions = record(item?.permissions);\n\treturn !!item\n\t\t&& typeof item.id === \"string\"\n\t\t&& !!account\n\t\t&& typeof account.login === \"string\"\n\t\t&& typeof account.avatarUrl === \"string\"\n\t\t&& (account.type === \"user\" || account.type === \"organization\")\n\t\t&& (item.repositorySelection === \"all\" || item.repositorySelection === \"selected\")\n\t\t&& typeof item.configureUrl === \"string\"\n\t\t&& typeof item.suspended === \"boolean\"\n\t\t&& !!permissions\n\t\t&& typeof permissions.contents === \"boolean\"\n\t\t&& typeof permissions.pullRequests === \"boolean\"\n\t\t&& typeof permissions.checks === \"boolean\"\n\t\t&& typeof permissions.statuses === \"boolean\";\n}\n\nfunction installationPage(value: unknown): value is Api.InstallationPage {\n\tlet item = record(value);\n\treturn !!item\n\t\t&& Array.isArray(item.installations)\n\t\t&& item.installations.every(installation)\n\t\t&& nextPage(item.nextPage);\n}\n\nfunction repositoryPage(value: unknown): value is Api.RepositoryPage {\n\tlet item = record(value);\n\treturn !!item\n\t\t&& Array.isArray(item.repositories)\n\t\t&& item.repositories.every(repository)\n\t\t&& nextPage(item.nextPage);\n}\n\nfunction cachedPages(\n\tvalue: unknown,\n\tvalid: (value: unknown) => value is T,\n): CachedPage[] | undefined {\n\tif (!Array.isArray(value) || value.length === 0 || value.length > MAX_LIST_PAGES) {\n\t\treturn undefined;\n\t}\n\tlet pages: CachedPage[] = [];\n\tfor (let candidate of value) {\n\t\tlet item = record(candidate);\n\t\tif (\n\t\t\t!item\n\t\t\t|| !Number.isSafeInteger(item.page)\n\t\t\t|| Number(item.page) < 1\n\t\t\t|| (item.etag !== undefined && typeof item.etag !== \"string\")\n\t\t\t|| !valid(item.value)\n\t\t) return undefined;\n\t\tpages.push({\n\t\t\tpage: Number(item.page),\n\t\t\t...(typeof item.etag === \"string\" ? { etag: item.etag } : {}),\n\t\t\tvalue: item.value,\n\t\t});\n\t}\n\tlet expected = 1;\n\tlet visited = new Set();\n\tfor (let [index, page] of pages.entries()) {\n\t\tif (page.page !== expected || visited.has(page.page)) return undefined;\n\t\tvisited.add(page.page);\n\t\tif (!page.value.nextPage) return index === pages.length - 1 ? pages : undefined;\n\t\texpected = page.value.nextPage;\n\t}\n\treturn undefined;\n}\n\nexport function readRepositoryCache(userId: string): RepositorySnapshot | undefined {\n\tlet store = storage();\n\tif (!store) return undefined;\n\tlet key = cacheKey(userId);\n\ttry {\n\t\tlet active = store.getItem(ACTIVE_USER_KEY);\n\t\tif (active && active !== userId) store.removeItem(cacheKey(active));\n\t\tstore.setItem(ACTIVE_USER_KEY, userId);\n\t\tlet serialized = store.getItem(key);\n\t\tif (!serialized) return undefined;\n\t\tlet item = record(JSON.parse(serialized));\n\t\tlet installations = cachedPages(item?.installationPages, installationPage);\n\t\tlet storedRepositories = record(item?.repositoryPages);\n\t\tif (\n\t\t\t!item\n\t\t\t|| item.version !== CACHE_VERSION\n\t\t\t|| item.userId !== userId\n\t\t\t|| typeof item.validatedAt !== \"number\"\n\t\t\t|| !Number.isFinite(item.validatedAt)\n\t\t\t|| item.validatedAt < 0\n\t\t\t|| !installations\n\t\t\t|| !storedRepositories\n\t\t) throw new Error(\"invalid repository cache\");\n\t\tlet repositories: Record[]> = {};\n\t\tfor (let [installationId, value] of Object.entries(storedRepositories)) {\n\t\t\tif (!/^\\d+$/.test(installationId)) throw new Error(\"invalid repository cache\");\n\t\t\tlet pages = cachedPages(value, repositoryPage);\n\t\t\tif (!pages) throw new Error(\"invalid repository cache\");\n\t\t\trepositories[installationId] = pages;\n\t\t}\n\t\tlet snapshot: RepositorySnapshot = {\n\t\t\tversion: CACHE_VERSION,\n\t\t\tuserId,\n\t\t\tvalidatedAt: item.validatedAt,\n\t\t\tinstallationPages: installations,\n\t\t\trepositoryPages: repositories,\n\t\t};\n\t\tlet expected = new Set(\n\t\t\tinstallationsFor(snapshot)\n\t\t\t\t.filter(value => !value.suspended && value.permissions.contents)\n\t\t\t\t.map(value => value.id),\n\t\t);\n\t\tif (\n\t\t\t[...expected].some(installationId => !Object.hasOwn(repositories, installationId))\n\t\t\t|| Object.keys(repositories).some(installationId => !expected.has(installationId))\n\t\t) throw new Error(\"invalid repository cache\");\n\t\treturn snapshot;\n\t} catch {\n\t\ttry {\n\t\t\tstore.removeItem(key);\n\t\t} catch {\n\t\t\t// Ignore storage failures and load from the network.\n\t\t}\n\t\treturn undefined;\n\t}\n}\n\nexport function writeRepositoryCache(snapshot: RepositorySnapshot): void {\n\tlet store = storage();\n\tif (!store) return;\n\ttry {\n\t\tstore.setItem(ACTIVE_USER_KEY, snapshot.userId);\n\t\tstore.setItem(cacheKey(snapshot.userId), JSON.stringify(snapshot));\n\t} catch {\n\t\t// Quota or privacy restrictions should not break repository selection.\n\t}\n}\n\nexport function repositoryCacheIsStale(snapshot: RepositorySnapshot, now = Date.now()): boolean {\n\treturn now - snapshot.validatedAt >= FRESH_MS;\n}\n\nasync function pages(\n\tprevious: CachedPage[] | undefined,\n\trequest: (page: number, etag?: string) => Promise>,\n\tpublish?: (pages: CachedPage[]) => void,\n): Promise[]> {\n\tlet result: CachedPage[] = [];\n\tlet page = 1;\n\tlet visited = new Set();\n\twhile (!visited.has(page)) {\n\t\tif (visited.size >= MAX_LIST_PAGES) {\n\t\t\tthrow new Error(\"Repository listing exceeded its safety limit.\");\n\t\t}\n\t\tvisited.add(page);\n\t\tlet known = previous?.find(value => value.page === page);\n\t\tlet response = await request(page, known?.etag);\n\t\tlet loaded: CachedPage;\n\t\tif (\"notModified\" in response) {\n\t\t\tif (!known) throw new Error(\"GitHub returned an unexpected not-modified response.\");\n\t\t\tloaded = { ...known, etag: response.etag ?? known.etag };\n\t\t} else {\n\t\t\tloaded = {\n\t\t\t\tpage,\n\t\t\t\t...(response.etag ? { etag: response.etag } : {}),\n\t\t\t\tvalue: response.page,\n\t\t\t};\n\t\t}\n\t\tresult.push(loaded);\n\t\tpublish?.([...result]);\n\t\tif (!loaded.value.nextPage) return result;\n\t\tpage = loaded.value.nextPage;\n\t}\n\tthrow new Error(\"Repository listing returned a pagination cycle.\");\n}\n\nfunction installationsFor(snapshot: RepositorySnapshot): Api.GitHubInstallation[] {\n\tlet result: Api.GitHubInstallation[] = [];\n\tlet known = new Set();\n\tfor (let installation of snapshot.installationPages.flatMap(page => page.value.installations)) {\n\t\tif (known.has(installation.id)) continue;\n\t\tknown.add(installation.id);\n\t\tresult.push(installation);\n\t}\n\treturn result;\n}\n\nexport function installedRepositoryGroups(\n\tsnapshot: RepositorySnapshot,\n): InstalledRepositoryGroup[] {\n\treturn installationsFor(snapshot).map(installation => {\n\t\tlet repositories: Api.Repository[] = [];\n\t\tlet known = new Set();\n\t\tfor (\n\t\t\tlet repository of (snapshot.repositoryPages[installation.id] ?? [])\n\t\t\t\t.flatMap(page => page.value.repositories)\n\t\t) {\n\t\t\tif (known.has(repository.id)) continue;\n\t\t\tknown.add(repository.id);\n\t\t\trepositories.push(repository);\n\t\t}\n\t\treturn { installation, repositories };\n\t});\n}\n\nexport async function loadRepositorySnapshot(\n\tuserId: string,\n\tprevious?: RepositorySnapshot,\n\tpublish?: (snapshot: RepositorySnapshot) => void,\n): Promise {\n\tlet installationPages = await pages(\n\t\tprevious?.installationPages,\n\t\t(page, etag) => Api.installations(page, etag),\n\t);\n\tlet repositoryPages: Record[]> = {};\n\tlet partial = (): RepositorySnapshot => ({\n\t\tversion: CACHE_VERSION,\n\t\tuserId,\n\t\tvalidatedAt: 0,\n\t\tinstallationPages,\n\t\trepositoryPages,\n\t});\n\tpublish?.(partial());\n\tlet failure: unknown;\n\tfor (let installed of installationsFor(partial())) {\n\t\tif (installed.suspended || !installed.permissions.contents) continue;\n\t\ttry {\n\t\t\tlet loaded = await pages(\n\t\t\t\tprevious?.repositoryPages[installed.id],\n\t\t\t\t(page, etag) => Api.installationRepositories(installed.id, page, etag),\n\t\t\t\tvalue => {\n\t\t\t\t\trepositoryPages[installed.id] = value;\n\t\t\t\t\tpublish?.(partial());\n\t\t\t\t},\n\t\t\t);\n\t\t\trepositoryPages[installed.id] = loaded;\n\t\t} catch (reason) {\n\t\t\tif (reason instanceof Api.ApiError && (reason.status === 401 || reason.status === 429)) {\n\t\t\t\tthrow reason;\n\t\t\t}\n\t\t\tfailure ??= reason ?? new Error(\"Could not load all repositories.\");\n\t\t}\n\t}\n\t// Never replace a complete cached snapshot with a partially refreshed one.\n\tif (failure) throw failure;\n\treturn { ...partial(), validatedAt: Date.now() 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