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type { Deps, TokenBundle } from \"./types.ts\";\n\nconst TOKEN_URL = \"https://console.anthropic.com/v1/oauth/token\";\nconst USAGE_URL = \"https://api.anthropic.com/api/oauth/usage\";\n\nexport async function refreshTokens(\n bundle: TokenBundle,\n deps: Deps,\n): Promise {\n const res = await deps.fetchFn(TOKEN_URL, {\n method: \"POST\",\n headers: { \"content-type\": \"application/json\" },\n body: JSON.stringify({\n grant_type: \"refresh_token\",\n refresh_token: bundle.refreshToken,\n client_id: deps.clientId,\n }),\n });\n if (!res.ok) {\n throw new Error(`refresh de token falhou: ${res.status}`);\n }\n const j = await res.json();\n return {\n accessToken: j.access_token,\n refreshToken: j.refresh_token ?? bundle.refreshToken,\n expiresAt: deps.now() + (j.expires_in ?? 3600) * 1000,\n };\n}\n\nexport async function fetchUsage(\n accessToken: string,\n deps: Deps,\n): Promise {\n const res = await deps.fetchFn(USAGE_URL, {\n headers: {\n \"authorization\": `Bearer ${accessToken}`,\n \"anthropic-beta\": \"oauth-2025-04-20\",\n \"user-agent\": deps.env.CLAUDE_CODE_UA,\n },\n });\n if (!res.ok) {\n throw new Error(`fetch de uso falhou: ${res.status}`);\n }\n return await 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{ blob } from \"https://esm.town/v/std/blob\";\nimport { handleRequest } from \"./src/handler.ts\";\nimport type { Deps, Store, TokenBundle, UsageResponse } from \"./src/types.ts\";\n\nconst TOKENS_KEY = \"limitwatch_tokens\";\nconst CACHE_KEY = \"limitwatch_cache\";\n\n// blob.getJSON lança se a chave não existe -> tratamos como null.\nasync function getJSONor(key: string): Promise {\n try {\n return (await blob.getJSON(key)) as T;\n } catch {\n return null;\n }\n}\n\nconst blobStore: Store = {\n getTokens: () => getJSONor(TOKENS_KEY),\n setTokens: (b) => blob.setJSON(TOKENS_KEY, b),\n getCache: () => getJSONor(CACHE_KEY),\n setCache: (u) => blob.setJSON(CACHE_KEY, u),\n};\n\nexport default function (req: Request): Promise {\n const deps: Deps = {\n store: blobStore,\n fetchFn: fetch,\n now: () => Date.now(),\n env: {\n RELAY_KEY: Deno.env.get(\"RELAY_KEY\") ?? \"\",\n ADMIN_KEY: Deno.env.get(\"ADMIN_KEY\") ?? \"\",\n CLAUDE_CODE_UA: Deno.env.get(\"CLAUDE_CODE_UA\") ?? \"claude-code/1.0.0\",\n },\n clientId: \"9d1c250a-e61b-44d9-88ed-5944d1962f5e\",\n };\n return handleRequest(req, 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interface TokenBundle {\n accessToken: string;\n refreshToken: string;\n expiresAt: number; // epoch milissegundos\n}\n\nexport interface UsageResponse {\n h5: number; // % usado 0-100, ou -1 se a janela não existe\n d7: number;\n r5: number; // reset epoch segundos, ou -1\n r7: number;\n stale: boolean;\n ts: number; // epoch segundos da coleta\n}\n\nexport interface Store {\n getTokens(): Promise;\n setTokens(b: TokenBundle): Promise;\n getCache(): Promise;\n setCache(u: UsageResponse): Promise;\n}\n\nexport interface Deps {\n store: Store;\n fetchFn: typeof fetch;\n now: () => number; // epoch milissegundos\n env: {\n RELAY_KEY: string;\n ADMIN_KEY: string;\n CLAUDE_CODE_UA: string;\n };\n clientId: string;\n}",[],[140,169],"87596486-c6bb-44ca-a3b6-6e53d5aff6e7","store.ts","39a984ce-803d-11f1-a354-1607ee4eb77e",17,["D",1784113664232],"import type { Store, TokenBundle, UsageResponse } from \"./types.ts\";\n\nexport class MemoryStore implements Store {\n private tokens: TokenBundle | null = null;\n private cache: UsageResponse | null = null;\n\n getTokens(): Promise {\n return Promise.resolve(this.tokens);\n }\n setTokens(b: TokenBundle): Promise {\n this.tokens = b;\n return Promise.resolve();\n }\n getCache(): Promise {\n return Promise.resolve(this.cache);\n }\n setCache(u: UsageResponse): Promise {\n this.cache = u;\n return Promise.resolve();\n }\n}",[],[140,178],"d06d544c-4c06-4284-8205-d1a69cc8d18a","logic.ts","2a006ba0-803d-11f1-a530-1607ee4eb77e",19,["D",1784113668179],"import type { UsageResponse } from \"./types.ts\";\n\nexport function authOk(\n url: URL,\n headerKey: string | null,\n expected: string,\n): boolean {\n if (!expected) return false;\n const provided = headerKey ?? url.searchParams.get(\"key\");\n return provided === expected;\n}\n\nexport function needsRefresh(\n expiresAt: number,\n now: number,\n marginMs = 120_000,\n): boolean {\n return expiresAt - now < marginMs;\n}\n\nexport function isCacheFresh(\n cachedTsSeconds: number,\n now: number,\n ttlMs = 120_000,\n): boolean {\n return now - cachedTsSeconds * 1000 < ttlMs;\n}\n\nexport function isoToEpoch(iso: string | null | undefined): number {\n if (!iso) return -1;\n const ms = Date.parse(iso);\n return Number.isNaN(ms) ? -1 : Math.floor(ms / 1000);\n}\n\nexport interface RawWindow {\n utilization?: number;\n resets_at?: string;\n}\n\nexport interface RawUsage {\n five_hour?: RawWindow;\n seven_day?: RawWindow;\n}\n\nfunction windowPct(win: RawWindow | undefined): number {\n if (!win || typeof win.utilization !== \"number\") return -1;\n return Math.round(win.utilization);\n}\n\nexport function shapeUsage(\n raw: RawUsage | null | undefined,\n now: number,\n): UsageResponse {\n const fh = raw?.five_hour;\n const sd = raw?.seven_day;\n return {\n h5: windowPct(fh),\n d7: windowPct(sd),\n r5: isoToEpoch(fh?.resets_at),\n r7: isoToEpoch(sd?.resets_at),\n stale: false,\n ts: Math.floor(now / 1000),\n };\n}\n\nexport function staleResponse(\n prev: UsageResponse | null,\n now: number,\n): UsageResponse {\n if (prev) return { ...prev, stale: true };\n return {\n h5: -1,\n d7: -1,\n r5: -1,\n r7: -1,\n stale: true,\n ts: Math.floor(now / 1000),\n };\n}",[],[140,186],"1c30d467-e4fb-410d-adc6-b62ec41cf930","handler.ts","3edec332-803d-11f1-bb29-1607ee4eb77e",20,["D",1784113670080],"import type { Deps } from \"./types.ts\";\nimport type { RawUsage } from \"./logic.ts\";\nimport {\n authOk,\n isCacheFresh,\n needsRefresh,\n shapeUsage,\n staleResponse,\n} from \"./logic.ts\";\nimport { fetchUsage, refreshTokens } from \"./anthropic.ts\";\n\nfunction json(body: unknown, status = 200): Response {\n return new Response(JSON.stringify(body), {\n status,\n headers: { \"content-type\": \"application/json\" },\n });\n}\n\nexport async function handleRequest(\n req: Request,\n deps: Deps,\n): Promise {\n const url = new URL(req.url);\n if (url.pathname === \"/seed\" && req.method === \"POST\") {\n return await handleSeed(req, url, deps);\n }\n if (url.pathname === \"/usage\") {\n return await handleUsage(req, url, deps);\n }\n return json({ error: \"not found\" }, 404);\n}\n\nasync function handleSeed(\n req: Request,\n url: URL,\n deps: Deps,\n): Promise {\n if (!authOk(url, req.headers.get(\"x-admin-key\"), deps.env.ADMIN_KEY)) {\n return json({ error: \"unauthorized\" }, 401);\n }\n const body = await req.json();\n if (\n !body.accessToken || !body.refreshToken ||\n typeof body.expiresAt !== \"number\"\n ) {\n return json({ error: \"bad seed body\" }, 400);\n }\n await deps.store.setTokens({\n accessToken: body.accessToken,\n refreshToken: body.refreshToken,\n expiresAt: body.expiresAt,\n });\n return json({ ok: true });\n}\n\nasync function handleUsage(\n req: Request,\n url: URL,\n deps: Deps,\n): Promise {\n if (!authOk(url, req.headers.get(\"x-relay-key\"), deps.env.RELAY_KEY)) {\n return json({ error: \"unauthorized\" }, 401);\n }\n const now = deps.now();\n const cached = await deps.store.getCache();\n if (cached && isCacheFresh(cached.ts, now)) {\n return json(cached);\n }\n const tokens = await deps.store.getTokens();\n if (!tokens) {\n return json(staleResponse(cached, now));\n }\n try {\n let active = tokens;\n if (needsRefresh(active.expiresAt, now)) {\n active = await refreshTokens(active, deps);\n await deps.store.setTokens(active);\n }\n const raw = await fetchUsage(active.accessToken, deps);\n const shaped = shapeUsage(raw as RawUsage, now);\n await deps.store.setCache(shaped);\n return json(shaped);\n } catch (_e) {\n return json(staleResponse(cached, now));\n }\n}",[],[140,194],"feb2d4f9-d26d-4320-88e9-ec0cb81f1e9c",["D",1784113671856],[],[140,33],["D",1784113514197],[158,159,160,161,162],[140],["D",1784113350197],{"_97":96,"_105":101},{"_97":96,"_98":99,"_100":101,"_18":55,"_102":103,"_104":25},{"_13":86,"_32":87,"_44":43,"_88":45,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":46,"_95":96},"ctx",{"_79":-5,"_124":245,"_246":247,"_248":249,"_250":25,"_251":25,"_252":25,"_253":59,"_254":-5,"_255":-7,"_256":-7,"_257":63,"_258":25,"_259":25,"_260":-5,"_261":25,"_262":25,"_263":25,"_264":-5},"ENV",{"_216":217,"_218":219,"_220":87,"_221":222,"_223":224,"_225":226,"_227":228,"_229":230,"_231":232,"_233":234,"_235":236,"_237":238,"_239":240,"_241":242,"_243":244},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v21