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86 lines
3.2 KiB
JavaScript
86 lines
3.2 KiB
JavaScript
// OpenAI-compatible error types mapping (client-facing)
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export const ERROR_TYPES = {
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400: { type: "invalid_request_error", code: "bad_request" },
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401: { type: "authentication_error", code: "invalid_api_key" },
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402: { type: "billing_error", code: "payment_required" },
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403: { type: "permission_error", code: "insufficient_quota" },
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404: { type: "invalid_request_error", code: "model_not_found" },
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406: { type: "invalid_request_error", code: "model_not_supported" },
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429: { type: "rate_limit_error", code: "rate_limit_exceeded" },
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500: { type: "server_error", code: "internal_server_error" },
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502: { type: "server_error", code: "bad_gateway" },
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503: { type: "server_error", code: "service_unavailable" },
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504: { type: "server_error", code: "gateway_timeout" }
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};
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// Default error messages per status code (client-facing)
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export const DEFAULT_ERROR_MESSAGES = {
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400: "Bad request",
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401: "Invalid API key provided",
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402: "Payment required",
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403: "You exceeded your current quota",
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404: "Model not found",
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406: "Model not supported",
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429: "Rate limit exceeded",
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500: "Internal server error",
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502: "Bad gateway - upstream provider error",
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503: "Service temporarily unavailable",
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504: "Gateway timeout"
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};
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// Exponential backoff config for rate limits
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export const BACKOFF_CONFIG = {
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base: 2000,
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max: 5 * 60 * 1000,
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maxLevel: 15
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};
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// Default cooldown for transient/unknown errors
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export const TRANSIENT_COOLDOWN_MS = 30 * 1000;
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// Hard cap for provider-reported rate limit cooldown (e.g. codex resets_at can be 5-6h)
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export const MAX_RATE_LIMIT_COOLDOWN_MS = 30 * 60 * 1000;
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// Cooldown durations (ms)
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const COOLDOWN = {
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long: 2 * 60 * 1000,
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short: 5 * 1000,
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};
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/**
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* Unified error classification rules.
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* Checked top-to-bottom: text rules first (by order), then status rules.
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* Each rule: { text?, status?, cooldownMs?, backoff? }
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* - text: substring match (case-insensitive) on error message
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* - status: HTTP status code match
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* - cooldownMs: fixed cooldown duration
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* - backoff: true = use exponential backoff (rate limit)
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*/
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export const ERROR_RULES = [
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// --- Text-based rules (checked first, order = priority) ---
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{ text: "no credentials", cooldownMs: COOLDOWN.long },
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{ text: "request not allowed", cooldownMs: COOLDOWN.short },
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{ text: "improperly formed request", cooldownMs: COOLDOWN.long },
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{ text: "rate limit", backoff: true },
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{ text: "too many requests", backoff: true },
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{ text: "quota exceeded", backoff: true },
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{ text: "capacity", backoff: true },
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{ text: "overloaded", backoff: true },
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// --- Status-based rules (fallback when text doesn't match) ---
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{ status: 401, cooldownMs: COOLDOWN.long },
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{ status: 402, cooldownMs: COOLDOWN.long },
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{ status: 403, cooldownMs: COOLDOWN.long },
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{ status: 404, cooldownMs: COOLDOWN.long },
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{ status: 429, backoff: true },
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];
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// Backward compat: COOLDOWN_MS object (used by index.js re-export)
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export const COOLDOWN_MS = {
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unauthorized: COOLDOWN.long,
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paymentRequired: COOLDOWN.long,
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notFound: COOLDOWN.long,
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transient: TRANSIENT_COOLDOWN_MS,
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requestNotAllowed: COOLDOWN.short,
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};
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