[{"_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",{"_40":41,"_227":-5,"_228":-5,"_229":230},"routes/repo",{"_33":-7,"_34":35,"_36":37,"_38":39,"_40":41,"_42":31,"_43":31,"_44":31,"_45":31,"_46":31,"_47":31,"_48":49,"_50":49,"_51":31,"_52":-7,"_53":-7,"_54":55,"_56":57,"_58":59,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68},"routes/repo.blob",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":14,"_22":23,"_24":-5,"_25":26,"_27":28,"_28":29,"_30":31,"_32":14},"ref","d87498f64b04043fc6a46f43934539e41b06a134","path","apps/server/src/github/client.ts","oid","e78c97c32be237965f23f16603dafeac10979c5e","size",25830,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import type {\n\tGitHubIssueSummary,\n\tGitHubPullRequestSummary,\n\tGitHubReferenceAuthor,\n\tGitHubReferenceLabel,\n} from \"@chopin/protocol/github-reference\";\n\nexport type GitHubUser = {\n\tid: string;\n\tlogin: string;\n\tavatarUrl: string;\n};\n\nexport type GitHubOrganizationMembership = {\n\tstate: \"active\" | \"pending\";\n\trole: \"admin\" | \"member\" | \"billing_manager\";\n};\n\nexport type Repository = {\n\tid: string;\n\towner: string;\n\townerAvatarUrl?: string;\n\tname: string;\n\tfullName: string;\n\tprivate: boolean;\n\turl: string;\n\tdefaultBranch: string;\n\tpermissions: {\n\t\tpull: boolean;\n\t\tpush: boolean;\n\t\tadmin: boolean;\n\t};\n};\n\nexport type RepositoryPage = {\n\trepositories: Repository[];\n\tnextPage: number | undefined;\n};\n\nexport type GitHubInstallation = {\n\tid: string;\n\taccount: {\n\t\tlogin: string;\n\t\tavatarUrl: string;\n\t\ttype: \"user\" | \"organization\";\n\t};\n\trepositorySelection: \"all\" | \"selected\";\n\tconfigureUrl: string;\n\tsuspended: boolean;\n\tpermissions: {\n\t\tcontents: boolean;\n\t\tpullRequests: boolean;\n\t\tchecks: boolean;\n\t\tstatuses: boolean;\n\t\tissues: boolean;\n\t};\n};\n\nexport type InstallationPage = {\n\tinstallations: GitHubInstallation[];\n\tnextPage: number | undefined;\n};\n\nexport type GitHubCondition = {\n\tifNoneMatch?: string;\n};\n\nexport type GitHubConditional =\n\t| (T & { etag?: string })\n\t| { notModified: true; etag?: string };\n\nexport type InstalledRepository = {\n\trepository: Repository;\n\tinstallation: GitHubInstallation;\n};\n\n/** The narrow surface the GitHub reference summary route needs. */\nexport interface GitHubReferenceSource {\n\t/** Like `repositoryAccess`, but also names the installation that grants it. */\n\tinstalledRepository(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t): Promise;\n\tpullRequest(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t\tnumber: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise>;\n\tissue(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t\tnumber: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise>;\n}\n\nexport type GitHubTokenGrant = {\n\taccessToken: string;\n\taccessExpiresIn: number;\n\trefreshToken: string;\n\trefreshExpiresIn: number;\n};\n\nexport interface GitHub {\n\tauthorize(input: {\n\t\tclientId: string;\n\t\tredirectUri: string;\n\t\tstate: string;\n\t\tchallenge: string;\n\t}): string;\n\texchange(input: {\n\t\tclientId: string;\n\t\tclientSecret: string;\n\t\tredirectUri: string;\n\t\tcode: string;\n\t\tverifier: string;\n\t}): Promise;\n\trefresh(input: {\n\t\tclientId: string;\n\t\tclientSecret?: string;\n\t\trefreshToken: string;\n\t}): Promise;\n\tuser(token: string): Promise;\n\torganizationMembership(\n\t\ttoken: string,\n\t\torganization: string,\n\t): Promise;\n\tinstallations(token: string, page: number): Promise;\n\tinstallations(\n\t\ttoken: string,\n\t\tpage: number,\n\t\tcondition: GitHubCondition,\n\t): Promise>;\n\tinstallationRepositories(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tpage: number,\n\t): Promise;\n\tinstallationRepositories(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tpage: number,\n\t\tcondition: GitHubCondition,\n\t): Promise>;\n\t/** Resolve the repository role granted directly to a bearer token. */\n\trepository(token: string, owner: string, name: string): Promise;\n\t/** Resolve the repository role within this GitHub App's active installations. */\n\trepositoryAccess(token: string, owner: string, name: string): Promise;\n\tinvalidate(token: string): void;\n}\n\nexport class GitHubError extends Error {\n\treadonly status: number;\n\n\tconstructor(message: string, status = 502) {\n\t\tsuper(message);\n\t\tthis.name = \"GitHubError\";\n\t\tthis.status = status;\n\t}\n}\n\nexport class GitHubTokenError extends GitHubError {\n\treadonly terminal: boolean;\n\n\tconstructor(message: string, status = 502, terminal = false) {\n\t\tsuper(message, status);\n\t\tthis.name = \"GitHubTokenError\";\n\t\tthis.terminal = terminal;\n\t}\n}\n\ntype Endpoints = {\n\tauthorize: string;\n\ttoken: string;\n\tapi: string;\n};\n\ntype Options = {\n\tfetch?: (input: string | URL | Request, init?: RequestInit) => Promise;\n\tendpoints?: Partial;\n\tclock?: () => number;\n};\n\ntype CachedAccess = {\n\texpiresAt: number;\n\tinstallations: Promise;\n\trepositories: Map;\n};\n\ntype RepositoryListing = {\n\tcomplete: boolean;\n\tindex: Map;\n\tloading?: Promise;\n\tnextPage: number;\n\tvisited: Set;\n};\n\nconst DEFAULTS: Endpoints = {\n\tauthorize: \"https://github.com/login/oauth/authorize\",\n\ttoken: \"https://github.com/login/oauth/access_token\",\n\tapi: \"https://api.github.com\",\n};\n\nconst REQUEST_TIMEOUT_MS = 15_000;\nconst ACCESS_CACHE_MS = 30_000;\nconst MAX_LIST_PAGES = 100;\n\nfunction tokenKey(token: string): string {\n\treturn createHash(\"sha256\").update(token).digest(\"base64url\");\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 user(value: unknown): GitHubUser {\n\tlet item = record(value);\n\tif (\n\t\t!item\n\t\t|| typeof item.node_id !== \"string\"\n\t\t|| typeof item.login !== \"string\"\n\t\t|| typeof item.avatar_url !== \"string\"\n\t) throw new GitHubError(\"GitHub returned an invalid user\");\n\treturn { id: item.node_id, login: item.login, avatarUrl: item.avatar_url };\n}\n\nfunction organizationMembership(value: unknown): GitHubOrganizationMembership {\n\tlet item = record(value);\n\tif (\n\t\t!item\n\t\t|| (item.state !== \"active\" && item.state !== \"pending\")\n\t\t|| (item.role !== \"admin\" && item.role !== \"member\" && item.role !== \"billing_manager\")\n\t) throw new GitHubError(\"GitHub returned an invalid organization membership\");\n\treturn { state: item.state, role: item.role };\n}\n\nfunction repository(value: unknown): Repository {\n\tlet item = record(value);\n\tlet owner = record(item?.owner);\n\tlet permissions = record(item?.permissions);\n\tif (\n\t\t!item\n\t\t|| !owner\n\t\t|| !permissions\n\t\t|| typeof item.node_id !== \"string\"\n\t\t|| typeof owner.login !== \"string\"\n\t\t|| typeof item.name !== \"string\"\n\t\t|| typeof item.full_name !== \"string\"\n\t\t|| typeof item.private !== \"boolean\"\n\t\t|| typeof item.html_url !== \"string\"\n\t\t|| typeof item.default_branch !== \"string\"\n\t\t|| typeof permissions.pull !== \"boolean\"\n\t\t|| typeof permissions.push !== \"boolean\"\n\t\t|| typeof permissions.admin !== \"boolean\"\n\t) throw new GitHubError(\"GitHub returned an invalid repository\");\n\treturn {\n\t\tid: item.node_id,\n\t\towner: owner.login,\n\t\t...(typeof owner.avatar_url === \"string\" ? { ownerAvatarUrl: owner.avatar_url } : {}),\n\t\tname: item.name,\n\t\tfullName: item.full_name,\n\t\tprivate: item.private,\n\t\turl: item.html_url,\n\t\tdefaultBranch: item.default_branch,\n\t\tpermissions: {\n\t\t\tpull: permissions.pull,\n\t\t\tpush: permissions.push,\n\t\t\tadmin: permissions.admin,\n\t\t},\n\t};\n}\n\nfunction installation(value: unknown): GitHubInstallation {\n\tlet item = record(value);\n\tlet account = record(item?.account);\n\tlet permissions = record(item?.permissions);\n\tlet type: \"user\" | \"organization\" | undefined = account?.type === \"User\"\n\t\t? \"user\"\n\t\t: account?.type === \"Organization\"\n\t\t? \"organization\"\n\t\t: undefined;\n\tif (\n\t\t!item\n\t\t|| !account\n\t\t|| !permissions\n\t\t|| !Number.isSafeInteger(item.id)\n\t\t|| (item.id as number) <= 0\n\t\t|| typeof account.login !== \"string\"\n\t\t|| typeof account.avatar_url !== \"string\"\n\t\t|| !type\n\t\t|| (item.repository_selection !== \"all\" && item.repository_selection !== \"selected\")\n\t\t|| typeof item.html_url !== \"string\"\n\t\t|| !(item.suspended_at === null || typeof item.suspended_at === \"string\")\n\t) throw new GitHubError(\"GitHub returned an invalid installation\");\n\tlet allowed = (name: string) => permissions[name] === \"read\" || permissions[name] === \"write\";\n\treturn {\n\t\tid: String(item.id),\n\t\taccount: { login: account.login, avatarUrl: account.avatar_url, type },\n\t\trepositorySelection: item.repository_selection,\n\t\tconfigureUrl: item.html_url,\n\t\tsuspended: item.suspended_at !== null,\n\t\tpermissions: {\n\t\t\tcontents: allowed(\"contents\"),\n\t\t\tpullRequests: allowed(\"pull_requests\"),\n\t\t\tchecks: allowed(\"checks\"),\n\t\t\tstatuses: allowed(\"statuses\"),\n\t\t\tissues: allowed(\"issues\"),\n\t\t},\n\t};\n}\n\nconst MAX_SUMMARY_TITLE = 500;\nconst MAX_SUMMARY_LABELS = 20;\n\nfunction timestamp(value: unknown): string | undefined {\n\tif (typeof value !== \"string\") return undefined;\n\tlet time = Date.parse(value);\n\treturn Number.isNaN(time) ? undefined : new Date(time).toISOString();\n}\n\nfunction optionalTimestamp(value: unknown): string | null | undefined {\n\treturn value === null || value === undefined ? null : timestamp(value);\n}\n\nfunction author(value: unknown): GitHubReferenceAuthor | null | undefined {\n\tif (value === null) return null;\n\tlet item = record(value);\n\tif (!item || typeof item.login !== \"string\" || typeof item.avatar_url !== \"string\") {\n\t\treturn undefined;\n\t}\n\treturn { login: item.login, avatarUrl: item.avatar_url };\n}\n\nfunction labels(value: unknown): GitHubReferenceLabel[] | undefined {\n\tif (!Array.isArray(value)) return undefined;\n\tlet result: GitHubReferenceLabel[] = [];\n\tfor (let entry of value) {\n\t\tlet item = record(entry);\n\t\tif (\n\t\t\t!item\n\t\t\t|| typeof item.name !== \"string\"\n\t\t\t|| typeof item.color !== \"string\"\n\t\t\t|| !/^[0-9a-fA-F]{6}$/.test(item.color)\n\t\t) continue;\n\t\tresult.push({ name: item.name, color: item.color.toLowerCase() });\n\t\tif (result.length >= MAX_SUMMARY_LABELS) break;\n\t}\n\treturn result;\n}\n\nfunction summaryBase(item: Record, owner: string, name: string, path: string) {\n\tlet createdAt = timestamp(item.created_at);\n\tlet updatedAt = timestamp(item.updated_at);\n\tlet closedAt = optionalTimestamp(item.closed_at);\n\tlet user = author(item.user);\n\tlet labelList = labels(item.labels);\n\tif (\n\t\t!Number.isSafeInteger(item.number)\n\t\t|| (item.number as number) <= 0\n\t\t|| typeof item.title !== \"string\"\n\t\t|| !Number.isSafeInteger(item.comments)\n\t\t|| (item.comments as number) < 0\n\t\t|| !createdAt\n\t\t|| !updatedAt\n\t\t|| closedAt === undefined\n\t\t|| user === undefined\n\t\t|| !labelList\n\t) return undefined;\n\treturn {\n\t\towner,\n\t\trepository: name,\n\t\tnumber: item.number as number,\n\t\turl: `https://github.com/${owner}/${name}/${path}/${item.number}`,\n\t\ttitle: item.title.slice(0, MAX_SUMMARY_TITLE),\n\t\tauthor: user,\n\t\tlabels: labelList,\n\t\tcomments: item.comments as number,\n\t\tcreatedAt,\n\t\tupdatedAt,\n\t\tclosedAt,\n\t};\n}\n\nfunction pullRequestSummary(value: unknown, owner: string, name: string): GitHubPullRequestSummary {\n\tlet item = record(value);\n\tlet base = item && summaryBase(item, owner, name, \"pull\");\n\tlet head = record(item?.head);\n\tlet target = record(item?.base);\n\tlet mergedAt = optionalTimestamp(item?.merged_at);\n\tif (\n\t\t!item\n\t\t|| !base\n\t\t|| (item.state !== \"open\" && item.state !== \"closed\")\n\t\t|| typeof item.draft !== \"boolean\"\n\t\t|| mergedAt === undefined\n\t\t|| typeof head?.ref !== \"string\"\n\t\t|| typeof target?.ref !== \"string\"\n\t) throw new GitHubError(\"GitHub returned an invalid pull request\");\n\treturn {\n\t\t...base,\n\t\tkind: \"pull\",\n\t\tstate: mergedAt ? \"merged\" : item.state,\n\t\tdraft: item.draft,\n\t\tmergedAt,\n\t\theadBranch: head.ref,\n\t\tbaseBranch: target.ref,\n\t};\n}\n\nfunction issueSummary(value: unknown, owner: string, name: string): GitHubIssueSummary {\n\tlet item = record(value);\n\tlet base = item && summaryBase(item, owner, name, \"issues\");\n\tif (!item || !base || (item.state !== \"open\" && item.state !== \"closed\")) {\n\t\tthrow new GitHubError(\"GitHub returned an invalid issue\");\n\t}\n\t// The issues endpoint also serves pull requests; those belong to the pull summary.\n\tif (item.pull_request !== undefined) throw new GitHubError(\"issue not found\", 404);\n\tlet reason = item.state_reason;\n\treturn {\n\t\t...base,\n\t\tkind: \"issue\",\n\t\tstate: item.state,\n\t\tstateReason: item.state === \"open\"\n\t\t\t? null\n\t\t\t: reason === \"not_planned\" || reason === \"duplicate\"\n\t\t\t? \"not_planned\"\n\t\t\t: \"completed\",\n\t};\n}\n\nasync function body(response: Response): Promise {\n\ttry {\n\t\treturn await response.json();\n\t} catch {\n\t\tthrow new GitHubError(\"GitHub returned an unreadable response\");\n\t}\n}\n\nasync function isRateLimited(response: Response): Promise {\n\tif (response.status === 429) return true;\n\tif (response.status !== 403) return false;\n\tif (\n\t\tresponse.headers.get(\"x-ratelimit-remaining\") === \"0\"\n\t\t|| response.headers.has(\"retry-after\")\n\t) return true;\n\ttry {\n\t\tlet value = record(await response.clone().json());\n\t\treturn (typeof value?.message === \"string\"\n\t\t\t&& /(rate limit|abuse detection)/i.test(value.message))\n\t\t\t|| (typeof value?.documentation_url === \"string\"\n\t\t\t\t&& /(rate-limits|rate_limit)/i.test(value.documentation_url));\n\t} catch {\n\t\treturn false;\n\t}\n}\n\nfunction nextPage(link: string | null, api: string, path: string): number | undefined {\n\tif (!link) return undefined;\n\tlet next = link.split(\",\").map(part => part.trim()).find(part => /;\\s*rel=\"next\"$/.test(part));\n\tlet match = next?.match(/^<([^>]+)>/);\n\tif (!match) return undefined;\n\ttry {\n\t\tlet url = new URL(match[1]!);\n\t\tlet expected = new URL(api);\n\t\tif (url.origin !== expected.origin || url.pathname !== path) return undefined;\n\t\tlet page = Number(url.searchParams.get(\"page\"));\n\t\treturn Number.isSafeInteger(page) && page > 0 ? page : undefined;\n\t} catch {\n\t\treturn undefined;\n\t}\n}\n\n/** Narrow GitHub OAuth and repository API client with validated responses. */\nexport class GitHubClient implements GitHub, GitHubReferenceSource {\n\treadonly #fetch: (input: string | URL | Request, init?: RequestInit) => Promise;\n\treadonly #endpoints: Endpoints;\n\treadonly #clock: () => number;\n\treadonly #access = new Map();\n\n\tconstructor(options: Options = {}) {\n\t\tthis.#fetch = options.fetch ?? fetch;\n\t\tthis.#endpoints = { ...DEFAULTS, ...options.endpoints };\n\t\tthis.#clock = options.clock ?? Date.now;\n\t}\n\n\tauthorize(input: {\n\t\tclientId: string;\n\t\tredirectUri: string;\n\t\tstate: string;\n\t\tchallenge: string;\n\t}): string {\n\t\tlet url = new URL(this.#endpoints.authorize);\n\t\turl.searchParams.set(\"client_id\", input.clientId);\n\t\turl.searchParams.set(\"redirect_uri\", input.redirectUri);\n\t\turl.searchParams.set(\"state\", input.state);\n\t\turl.searchParams.set(\"code_challenge\", input.challenge);\n\t\turl.searchParams.set(\"code_challenge_method\", \"S256\");\n\t\treturn url.href;\n\t}\n\n\tasync exchange(input: {\n\t\tclientId: string;\n\t\tclientSecret: string;\n\t\tredirectUri: string;\n\t\tcode: string;\n\t\tverifier: string;\n\t}): Promise {\n\t\treturn this.#token({\n\t\t\tclient_id: input.clientId,\n\t\t\tclient_secret: input.clientSecret,\n\t\t\tcode: input.code,\n\t\t\tredirect_uri: input.redirectUri,\n\t\t\tcode_verifier: input.verifier,\n\t\t}, false);\n\t}\n\n\tasync refresh(input: {\n\t\tclientId: string;\n\t\tclientSecret?: string;\n\t\trefreshToken: string;\n\t}): Promise {\n\t\treturn this.#token({\n\t\t\tclient_id: input.clientId,\n\t\t\t...(input.clientSecret ? { client_secret: input.clientSecret } : {}),\n\t\t\tgrant_type: \"refresh_token\",\n\t\t\trefresh_token: input.refreshToken,\n\t\t}, true);\n\t}\n\n\tasync #token(parameters: Record, refreshing: boolean): Promise {\n\t\tlet response: Response;\n\t\ttry {\n\t\t\tresponse = await this.#fetch(this.#endpoints.token, {\n\t\t\t\tmethod: \"POST\",\n\t\t\t\theaders: {\n\t\t\t\t\taccept: \"application/json\",\n\t\t\t\t\t\"content-type\": \"application/x-www-form-urlencoded\",\n\t\t\t\t},\n\t\t\t\tbody: new URLSearchParams(parameters),\n\t\t\t\tredirect: \"error\",\n\t\t\t\tsignal: AbortSignal.timeout(REQUEST_TIMEOUT_MS),\n\t\t\t});\n\t\t} catch {\n\t\t\tthrow new GitHubError(\"GitHub OAuth is unavailable\");\n\t\t}\n\t\tlet value = record(await body(response));\n\t\tlet terminal = refreshing && value?.error === \"bad_refresh_token\";\n\t\tif (!response.ok || value?.error) {\n\t\t\tthrow new GitHubTokenError(\n\t\t\t\trefreshing ? \"GitHub rejected the token refresh\" : \"GitHub rejected the OAuth exchange\",\n\t\t\t\tterminal ? 401 : response.status === 429 ? 429 : 502,\n\t\t\t\tterminal,\n\t\t\t);\n\t\t}\n\t\tif (\n\t\t\ttypeof value?.access_token !== \"string\"\n\t\t\t|| !value.access_token\n\t\t\t|| typeof value.refresh_token !== \"string\"\n\t\t\t|| !value.refresh_token\n\t\t\t|| !Number.isSafeInteger(value.expires_in)\n\t\t\t|| (value.expires_in as number) <= 0\n\t\t\t|| !Number.isSafeInteger(value.refresh_token_expires_in)\n\t\t\t|| (value.refresh_token_expires_in as number) <= 0\n\t\t\t|| value.token_type !== \"bearer\"\n\t\t) {\n\t\t\tthrow new GitHubTokenError(\"GitHub returned an invalid expiring user token\");\n\t\t}\n\t\treturn {\n\t\t\taccessToken: value.access_token,\n\t\t\taccessExpiresIn: value.expires_in as number,\n\t\t\trefreshToken: value.refresh_token,\n\t\t\trefreshExpiresIn: value.refresh_token_expires_in as number,\n\t\t};\n\t}\n\n\tasync user(token: string): Promise {\n\t\treturn user(await this.#api(\"/user\", token));\n\t}\n\n\tasync organizationMembership(\n\t\ttoken: string,\n\t\torganization: string,\n\t): Promise {\n\t\ttry {\n\t\t\treturn organizationMembership(\n\t\t\t\tawait this.#api(`/user/memberships/orgs/${encodeURIComponent(organization)}`, token),\n\t\t\t);\n\t\t} catch (err) {\n\t\t\tif (err instanceof GitHubError && err.status === 404) return undefined;\n\t\t\tthrow err;\n\t\t}\n\t}\n\n\tinstallations(token: string, page: number): Promise;\n\tinstallations(\n\t\ttoken: string,\n\t\tpage: number,\n\t\tcondition: GitHubCondition,\n\t): Promise>;\n\tasync installations(\n\t\ttoken: string,\n\t\tpage: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise> {\n\t\tlet path = \"/user/installations\";\n\t\tlet url = new URL(path, this.#endpoints.api);\n\t\turl.searchParams.set(\"per_page\", \"100\");\n\t\turl.searchParams.set(\"page\", String(page));\n\t\tlet response = await this.#request(url, token, condition?.ifNoneMatch);\n\t\tif (response.status === 304) {\n\t\t\tlet etag = response.headers.get(\"etag\") ?? condition?.ifNoneMatch;\n\t\t\treturn { notModified: true, ...(etag ? { etag } : {}) };\n\t\t}\n\t\tlet value = record(await body(response));\n\t\tif (!Array.isArray(value?.installations)) {\n\t\t\tthrow new GitHubError(\"GitHub returned an invalid installation list\");\n\t\t}\n\t\tlet result: InstallationPage = {\n\t\t\tinstallations: value.installations.map(installation),\n\t\t\tnextPage: nextPage(response.headers.get(\"link\"), this.#endpoints.api, path),\n\t\t};\n\t\tlet etag = condition && response.headers.get(\"etag\");\n\t\treturn etag ? { ...result, etag } : result;\n\t}\n\n\tinstallationRepositories(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tpage: number,\n\t): Promise;\n\tinstallationRepositories(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tpage: number,\n\t\tcondition: GitHubCondition,\n\t): Promise>;\n\tasync installationRepositories(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tpage: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise> {\n\t\tif (!/^\\d+$/.test(installationId)) throw new GitHubError(\"installation not found\", 404);\n\t\tlet path = `/user/installations/${installationId}/repositories`;\n\t\tlet url = new URL(path, this.#endpoints.api);\n\t\turl.searchParams.set(\"per_page\", \"100\");\n\t\turl.searchParams.set(\"page\", String(page));\n\t\tlet response = await this.#request(url, token, condition?.ifNoneMatch);\n\t\tif (response.status === 304) {\n\t\t\tlet etag = response.headers.get(\"etag\") ?? condition?.ifNoneMatch;\n\t\t\treturn { notModified: true, ...(etag ? { etag } : {}) };\n\t\t}\n\t\tlet value = record(await body(response));\n\t\tif (!Array.isArray(value?.repositories)) {\n\t\t\tthrow new GitHubError(\"GitHub returned an invalid repository list\");\n\t\t}\n\t\tlet result: RepositoryPage = {\n\t\t\trepositories: value.repositories.map(repository),\n\t\t\tnextPage: nextPage(response.headers.get(\"link\"), this.#endpoints.api, path),\n\t\t};\n\t\tlet etag = condition && response.headers.get(\"etag\");\n\t\treturn etag ? { ...result, etag } : result;\n\t}\n\n\tasync repository(token: string, owner: string, name: string): Promise {\n\t\tlet path = `/repos/${encodeURIComponent(owner)}/${encodeURIComponent(name)}`;\n\t\treturn repository(await this.#api(path, token));\n\t}\n\n\tasync repositoryAccess(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t): Promise {\n\t\treturn (await this.installedRepository(token, owner, name))?.repository;\n\t}\n\n\tasync installedRepository(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t): Promise {\n\t\tlet fullName = `${owner}/${name}`.toLowerCase();\n\t\tlet now = this.#clock();\n\t\tfor (let [key, entry] of this.#access) {\n\t\t\tif (entry.expiresAt <= now) this.#access.delete(key);\n\t\t}\n\t\tlet key = tokenKey(token);\n\t\tlet cached = this.#access.get(key);\n\t\tif (!cached || cached.expiresAt <= now) {\n\t\t\tcached = {\n\t\t\t\texpiresAt: now + ACCESS_CACHE_MS,\n\t\t\t\tinstallations: this.#installationIndex(token),\n\t\t\t\trepositories: new Map(),\n\t\t\t};\n\t\t\tthis.#access.set(key, cached);\n\t\t}\n\t\ttry {\n\t\t\tlet installations = await cached.installations;\n\t\t\tfor (let installed of installations) {\n\t\t\t\tif (\n\t\t\t\t\tinstalled.suspended\n\t\t\t\t\t|| !installed.permissions.contents\n\t\t\t\t\t|| installed.account.login.toLowerCase() !== owner.toLowerCase()\n\t\t\t\t) continue;\n\t\t\t\tlet listing = cached.repositories.get(installed.id);\n\t\t\t\tif (!listing) {\n\t\t\t\t\tlisting = {\n\t\t\t\t\t\tcomplete: false,\n\t\t\t\t\t\tindex: new Map(),\n\t\t\t\t\t\tnextPage: 1,\n\t\t\t\t\t\tvisited: new Set(),\n\t\t\t\t\t};\n\t\t\t\t\tcached.repositories.set(installed.id, listing);\n\t\t\t\t}\n\t\t\t\tlet found = await this.#findRepository(token, installed.id, fullName, listing);\n\t\t\t\tif (found) return { repository: found, installation: installed };\n\t\t\t}\n\t\t\treturn undefined;\n\t\t} catch (err) {\n\t\t\tif (this.#access.get(key) === cached) this.#access.delete(key);\n\t\t\tthrow err;\n\t\t}\n\t}\n\n\tpullRequest(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t\tnumber: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise> {\n\t\treturn this.#summary(token, owner, name, \"pulls\", number, condition, pullRequestSummary);\n\t}\n\n\tissue(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t\tnumber: number,\n\t\tcondition?: GitHubCondition,\n\t): Promise> {\n\t\treturn this.#summary(token, owner, name, \"issues\", number, condition, issueSummary);\n\t}\n\n\tasync #summary(\n\t\ttoken: string,\n\t\towner: string,\n\t\tname: string,\n\t\tcollection: \"pulls\" | \"issues\",\n\t\tnumber: number,\n\t\tcondition: GitHubCondition | undefined,\n\t\tparse: (value: unknown, owner: string, name: string) => T,\n\t): Promise> {\n\t\tif (!Number.isSafeInteger(number) || number <= 0) {\n\t\t\tthrow new GitHubError(`${collection} not found`, 404);\n\t\t}\n\t\tlet url = new URL(\n\t\t\t`/repos/${encodeURIComponent(owner)}/${encodeURIComponent(name)}/${collection}/${number}`,\n\t\t\tthis.#endpoints.api,\n\t\t);\n\t\tlet response = await this.#request(url, token, condition?.ifNoneMatch);\n\t\tlet etag = response.headers.get(\"etag\") ?? undefined;\n\t\tif (response.status === 304) {\n\t\t\tetag ??= condition?.ifNoneMatch;\n\t\t\treturn { notModified: true, ...(etag ? { etag } : {}) };\n\t\t}\n\t\tlet result = parse(await body(response), owner, name);\n\t\treturn etag ? { ...result, etag } : result;\n\t}\n\n\tinvalidate(token: string): void {\n\t\tthis.#access.delete(tokenKey(token));\n\t}\n\n\tasync #installationIndex(token: string): Promise {\n\t\tlet index: GitHubInstallation[] = [];\n\t\tlet installationPage = 1;\n\t\tlet installationPages = new Set();\n\t\twhile (!installationPages.has(installationPage)) {\n\t\t\tif (installationPages.size >= MAX_LIST_PAGES) {\n\t\t\t\tthrow new GitHubError(\"GitHub installation listing exceeded its safety limit\");\n\t\t\t}\n\t\t\tinstallationPages.add(installationPage);\n\t\t\tlet result = await this.installations(token, installationPage);\n\t\t\tindex.push(...result.installations);\n\t\t\tif (!result.nextPage) return index;\n\t\t\tinstallationPage = result.nextPage;\n\t\t}\n\t\treturn index;\n\t}\n\n\tasync #findRepository(\n\t\ttoken: string,\n\t\tinstallationId: string,\n\t\tfullName: string,\n\t\tlisting: RepositoryListing,\n\t): Promise {\n\t\twhile (true) {\n\t\t\tlet found = listing.index.get(fullName);\n\t\t\tif (found || listing.complete) return found;\n\t\t\tif (listing.loading) {\n\t\t\t\tawait listing.loading;\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tif (listing.visited.size >= MAX_LIST_PAGES || listing.visited.has(listing.nextPage)) {\n\t\t\t\tthrow new GitHubError(\"GitHub repository listing exceeded its safety limit\");\n\t\t\t}\n\t\t\tlet page = listing.nextPage;\n\t\t\tlisting.visited.add(page);\n\t\t\tlet loading = this.installationRepositories(token, installationId, page).then(result => {\n\t\t\t\tfor (let item of result.repositories) {\n\t\t\t\t\tlisting.index.set(item.fullName.toLowerCase(), item);\n\t\t\t\t}\n\t\t\t\tif (result.nextPage) listing.nextPage = result.nextPage;\n\t\t\t\telse listing.complete = true;\n\t\t\t});\n\t\t\tlisting.loading = loading;\n\t\t\ttry {\n\t\t\t\tawait loading;\n\t\t\t} finally {\n\t\t\t\tif (listing.loading === loading) listing.loading = undefined;\n\t\t\t}\n\t\t}\n\t}\n\n\tasync #api(path: string, token: string): Promise {\n\t\treturn body(await this.#request(new URL(path, this.#endpoints.api), token));\n\t}\n\n\tasync #request(url: URL, token: string, ifNoneMatch?: string): Promise {\n\t\tlet response: Response;\n\t\ttry {\n\t\t\tlet headers = new Headers({\n\t\t\t\taccept: \"application/vnd.github+json\",\n\t\t\t\tauthorization: `Bearer ${token}`,\n\t\t\t\t\"user-agent\": \"chopin\",\n\t\t\t\t\"x-github-api-version\": \"2022-11-28\",\n\t\t\t});\n\t\t\tif (ifNoneMatch) headers.set(\"if-none-match\", ifNoneMatch);\n\t\t\tresponse = await this.#fetch(url, {\n\t\t\t\theaders,\n\t\t\t\tredirect: \"error\",\n\t\t\t\tsignal: AbortSignal.timeout(REQUEST_TIMEOUT_MS),\n\t\t\t});\n\t\t} catch {\n\t\t\tthrow new GitHubError(\"GitHub API is unavailable\");\n\t\t}\n\t\tif (response.status === 304 && ifNoneMatch) return response;\n\t\tif (!response.ok) {\n\t\t\tlet rateLimited = await isRateLimited(response);\n\t\t\tlet status = rateLimited\n\t\t\t\t? 429\n\t\t\t\t: response.status === 401\n\t\t\t\t\t\t|| response.status === 403\n\t\t\t\t\t\t|| response.status === 404\n\t\t\t\t? response.status\n\t\t\t\t: 502;\n\t\t\tthrow new GitHubError(\"GitHub API rejected the request\", status);\n\t\t}\n\t\treturn response;\n\t}\n}\nimport { createHash } from 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