| 1 | import { t, getLocale, type DictKey, type Translator, type Locale } from "./i18n"; |
| 2 | import type { WireEvent } from "./types"; |
| 3 | |
| 4 | export interface ErrorPresentation { summary: string; detail: string } |
| 5 | |
| 6 | // Presentation only: callers must retain the original error for control flow, |
| 7 | // diagnostics and persistence. Never send translated messages back to tools. |
| 8 | export function errorDetail(error: unknown): string { |
| 9 | if (error instanceof Error) return error.message || error.name; |
| 10 | if (typeof error === "string") return error; |
| 11 | if (error == null) return ""; |
| 12 | if (typeof error === "object") { |
| 13 | const record = error as { message?: unknown; code?: unknown }; |
| 14 | if (typeof record.message === "string") return typeof record.code === "string" ? `${record.code}: ${record.message}` : record.message; |
| 15 | try { return JSON.stringify(error); } catch { return String(error); } |
| 16 | } |
| 17 | return String(error); |
| 18 | } |
| 19 | |
| 20 | const codeKeys: Record<string, DictKey> = { |
| 21 | ECONNREFUSED: "error.connection", ENOTFOUND: "error.dns", EAI_AGAIN: "error.dns", |
| 22 | ECONNRESET: "error.interrupted", ETIMEDOUT: "error.timeout", ABORT_ERR: "error.cancelled", |
| 23 | ENOENT: "error.fileMissing", EACCES: "error.permission", EPERM: "error.permission", |
| 24 | ENOSPC: "error.diskFull", EROFS: "error.readOnly", context_length_exceeded: "error.context", |
| 25 | invalid_api_key: "error.auth", insufficient_quota: "error.quota", rate_limit_exceeded: "error.rateLimit", |
| 26 | stream_interrupted: "error.interrupted", empty_response: "error.empty", stale_generation: "error.conflict", |
| 27 | provider_connection: "error.connection", cancelled: "error.cancelled", |
| 28 | transport_protocol: "error.transportProtocol", |
| 29 | }; |
| 30 | |
| 31 | // Narrow legacy matches bridge errors from older services and OS libraries. |
| 32 | // Unknown errors deliberately keep a neutral summary instead of guessing. |
| 33 | const legacyKeys: [RegExp, DictKey][] = [ |
| 34 | [/\b(?:insufficient_quota|insufficient balance|quota exhausted)\b|余额不足|額度不足|额度不足/i, "error.quota"], |
| 35 | [/\b(?:context_length_exceeded|context (?:window|length).*(?:exceed|limit)|maximum context length)\b|超出.*上下文/i, "error.context"], |
| 36 | [/\b(?:ENOSPC|no space left on device|disk full)\b/i, "error.diskFull"], |
| 37 | [/\b(?:EACCES|EPERM|permission denied|operation not permitted)\b/i, "error.permission"], |
| 38 | [/\b(?:ENOENT|no such file or directory|file not found)\b/i, "error.fileMissing"], |
| 39 | [/\b(?:EROFS|read-only file system)\b/i, "error.readOnly"], |
| 40 | [/\b(?:ENOTFOUND|EAI_AGAIN|no such host|name resolution failed)\b/i, "error.dns"], |
| 41 | [/\b(?:ECONNREFUSED|connection refused|failed to fetch|network request failed|networkerror)\b/i, "error.connection"], |
| 42 | [/\b(?:ECONNRESET|unexpected EOF|premature EOF|connection reset|model stream (?:interrupted|disconnected))\b/i, "error.interrupted"], |
| 43 | [/\b(?:ETIMEDOUT|deadline exceeded|timed out|(?:request|connection|response|stream)[ -]timeout)\b/i, "error.timeout"], |
| 44 | [/\b(?:context canceled|context cancelled|AbortError|operation (?:aborted|cancelled|canceled))\b/i, "error.cancelled"], |
| 45 | [/\b(?:empty (?:provider )?response|no content returned|zero.content response)\b/i, "error.empty"], |
| 46 | [/\b(?:invalid_api_key|invalid api key|authentication failed|unauthorized)\b/i, "error.auth"], |
| 47 | [/\b(?:rate_limit_exceeded|rate limit exceeded|too many requests)\b/i, "error.rateLimit"], |
| 48 | [/\b(?:session changed on disk|workspace mutation conflicts with persisted state|stale generation|runtime changed|writer is owned by another runtime)\b/i, "error.conflict"], |
| 49 | [/\b(?:unknown tool|tool not found|MCP server.*(?:unavailable|not connected|failed to start))\b/i, "error.toolUnavailable"], |
| 50 | [/\b(?:invalid JSON|unexpected token.*JSON|JSON.*syntax|invalid header field name)\b/i, "error.invalidInput"], |
| 51 | ]; |
| 52 | |
| 53 | function statusKey(status: number): DictKey | undefined { |
| 54 | if (status === 401) return "error.auth"; |
| 55 | if (status === 402) return "error.quota"; |
| 56 | if (status === 403) return "error.forbidden"; |
| 57 | if (status === 404) return "error.endpoint"; |
| 58 | if (status === 408 || status === 504) return "error.timeout"; |
| 59 | if (status === 409) return "error.conflict"; |
| 60 | if (status === 413) return "error.tooLarge"; |
| 61 | if (status === 429) return "error.rateLimit"; |
| 62 | if (status >= 500 && status <= 599) return "error.service"; |
| 63 | if (status === 400 || status === 422) return "error.invalidInput"; |
| 64 | } |
| 65 | |
| 66 | export function presentError(error: unknown, translate: Translator = t, locale: Locale = getLocale(), diagnostic?: WireEvent["diagnostic"]): ErrorPresentation { |
| 67 | const detail = errorDetail(error).trim(); |
| 68 | if (diagnostic?.kind === "transport_protocol") { |
| 69 | return { summary: translate("error.transportProtocol"), detail: [detail, diagnostic.transportCode ? `HTTP/2: ${diagnostic.transportCode}` : ""].filter(Boolean).join("\n") }; |
| 70 | } |
| 71 | const structured = error && typeof error === "object" ? error as { code?: unknown; status?: unknown } : undefined; |
| 72 | const code = typeof structured?.code === "string" ? structured.code : detail; |
| 73 | const explicitStatus = typeof structured?.status === "number" ? structured.status : 0; |
| 74 | // Only interpret explicitly labelled HTTP status codes, never arbitrary |
| 75 | // numbers in paths, command output or provider messages. |
| 76 | const status = explicitStatus || Number(/^provider_http_([45]\d\d)$/.exec(code)?.[1] ?? /\b(?:HTTP(?:\/\d(?:\.\d)?)?\s*|status(?: code)?[:= ]+)([45]\d\d)\b/i.exec(detail)?.[1] ?? 0); |
| 77 | const key = codeKeys[code] ?? (status && ![400, 413, 429].includes(status) ? statusKey(status) : undefined) |
| 78 | ?? legacyKeys.find(([pattern]) => pattern.test(detail))?.[1] ?? statusKey(status); |
| 79 | if (key) return { summary: translate(key), detail }; |
| 80 | |
| 81 | // Preserve existing localized, actionable copy. A translated wrapper around |
| 82 | // an English exception is only a summary; keep the complete cause in details. |
| 83 | const firstLine = detail.split("\n")[0] ?? ""; |
| 84 | if (locale === "en" && /[\u3400-\u9fff]/u.test(firstLine)) { |
| 85 | return { summary: translate("error.unknown"), detail }; |
| 86 | } |
| 87 | if (locale === "en" && firstLine) { |
| 88 | const summary = firstLine.length > 240 ? `${firstLine.slice(0, 239)}…` : firstLine; |
| 89 | return { summary, detail: summary === detail ? "" : detail }; |
| 90 | } |
| 91 | const localizedLine = /^[^:\n]{1,80}:\s*([\u3400-\u9fff].*)$/u.exec(firstLine)?.[1] ?? firstLine; |
| 92 | if (/^[\u3400-\u9fff]/u.test(localizedLine)) { |
| 93 | const boundary = /[：:]\s*(?=[A-Za-z{\[])/u.exec(localizedLine); |
| 94 | const summary = boundary ? localizedLine.slice(0, boundary.index) : localizedLine; |
| 95 | return { summary, detail: summary === detail ? "" : detail }; |
| 96 | } |
| 97 | return { summary: translate("error.unknown"), detail }; |
| 98 | } |
| 99 |