feat: unwrap provider namespaces to flat exports + barrel (#22760)
This commit is contained in:
Kit Langton
@@ -3,195 +3,193 @@ import { STATUS_CODES } from "http"
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import { iife } from "@/util/iife"
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import type { ProviderID } from "./schema"
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export namespace ProviderError {
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// Adapted from overflow detection patterns in:
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// https://github.com/badlogic/pi-mono/blob/main/packages/ai/src/utils/overflow.ts
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const OVERFLOW_PATTERNS = [
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/prompt is too long/i, // Anthropic
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/input is too long for requested model/i, // Amazon Bedrock
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/exceeds the context window/i, // OpenAI (Completions + Responses API message text)
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/input token count.*exceeds the maximum/i, // Google (Gemini)
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/maximum prompt length is \d+/i, // xAI (Grok)
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/reduce the length of the messages/i, // Groq
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/maximum context length is \d+ tokens/i, // OpenRouter, DeepSeek, vLLM
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/exceeds the limit of \d+/i, // GitHub Copilot
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/exceeds the available context size/i, // llama.cpp server
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/greater than the context length/i, // LM Studio
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/context window exceeds limit/i, // MiniMax
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/exceeded model token limit/i, // Kimi For Coding, Moonshot
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/context[_ ]length[_ ]exceeded/i, // Generic fallback
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/request entity too large/i, // HTTP 413
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/context length is only \d+ tokens/i, // vLLM
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/input length.*exceeds.*context length/i, // vLLM
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/prompt too long; exceeded (?:max )?context length/i, // Ollama explicit overflow error
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/too large for model with \d+ maximum context length/i, // Mistral
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/model_context_window_exceeded/i, // z.ai non-standard finish_reason surfaced as error text
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]
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// Adapted from overflow detection patterns in:
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// https://github.com/badlogic/pi-mono/blob/main/packages/ai/src/utils/overflow.ts
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const OVERFLOW_PATTERNS = [
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/prompt is too long/i, // Anthropic
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/input is too long for requested model/i, // Amazon Bedrock
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/exceeds the context window/i, // OpenAI (Completions + Responses API message text)
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/input token count.*exceeds the maximum/i, // Google (Gemini)
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/maximum prompt length is \d+/i, // xAI (Grok)
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/reduce the length of the messages/i, // Groq
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/maximum context length is \d+ tokens/i, // OpenRouter, DeepSeek, vLLM
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/exceeds the limit of \d+/i, // GitHub Copilot
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/exceeds the available context size/i, // llama.cpp server
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/greater than the context length/i, // LM Studio
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/context window exceeds limit/i, // MiniMax
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/exceeded model token limit/i, // Kimi For Coding, Moonshot
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/context[_ ]length[_ ]exceeded/i, // Generic fallback
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/request entity too large/i, // HTTP 413
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/context length is only \d+ tokens/i, // vLLM
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/input length.*exceeds.*context length/i, // vLLM
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/prompt too long; exceeded (?:max )?context length/i, // Ollama explicit overflow error
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/too large for model with \d+ maximum context length/i, // Mistral
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/model_context_window_exceeded/i, // z.ai non-standard finish_reason surfaced as error text
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]
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function isOpenAiErrorRetryable(e: APICallError) {
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const status = e.statusCode
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if (!status) return e.isRetryable
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// openai sometimes returns 404 for models that are actually available
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return status === 404 || e.isRetryable
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}
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function isOpenAiErrorRetryable(e: APICallError) {
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const status = e.statusCode
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if (!status) return e.isRetryable
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// openai sometimes returns 404 for models that are actually available
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return status === 404 || e.isRetryable
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}
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// Providers not reliably handled in this function:
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// - z.ai: can accept overflow silently (needs token-count/context-window checks)
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function isOverflow(message: string) {
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if (OVERFLOW_PATTERNS.some((p) => p.test(message))) return true
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// Providers not reliably handled in this function:
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// - z.ai: can accept overflow silently (needs token-count/context-window checks)
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function isOverflow(message: string) {
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if (OVERFLOW_PATTERNS.some((p) => p.test(message))) return true
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// Providers/status patterns handled outside of regex list:
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// - Cerebras: often returns "400 (no body)" / "413 (no body)"
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// - Mistral: often returns "400 (no body)" / "413 (no body)"
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return /^4(00|13)\s*(status code)?\s*\(no body\)/i.test(message)
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}
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// Providers/status patterns handled outside of regex list:
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// - Cerebras: often returns "400 (no body)" / "413 (no body)"
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// - Mistral: often returns "400 (no body)" / "413 (no body)"
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return /^4(00|13)\s*(status code)?\s*\(no body\)/i.test(message)
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}
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function message(providerID: ProviderID, e: APICallError) {
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return iife(() => {
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const msg = e.message
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if (msg === "") {
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if (e.responseBody) return e.responseBody
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if (e.statusCode) {
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const err = STATUS_CODES[e.statusCode]
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if (err) return err
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}
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return "Unknown error"
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}
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if (!e.responseBody || (e.statusCode && msg !== STATUS_CODES[e.statusCode])) {
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return msg
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}
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try {
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const body = JSON.parse(e.responseBody)
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// try to extract common error message fields
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const errMsg = body.message || body.error || body.error?.message
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if (errMsg && typeof errMsg === "string") {
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return `${msg}: ${errMsg}`
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}
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} catch {}
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// If responseBody is HTML (e.g. from a gateway or proxy error page),
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// provide a human-readable message instead of dumping raw markup
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if (/^\s*<!doctype|^\s*<html/i.test(e.responseBody)) {
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if (e.statusCode === 401) {
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return "Unauthorized: request was blocked by a gateway or proxy. Your authentication token may be missing or expired — try running `opencode auth login <your provider URL>` to re-authenticate."
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}
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if (e.statusCode === 403) {
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return "Forbidden: request was blocked by a gateway or proxy. You may not have permission to access this resource — check your account and provider settings."
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}
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return msg
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}
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return `${msg}: ${e.responseBody}`
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}).trim()
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}
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function json(input: unknown) {
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if (typeof input === "string") {
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try {
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const result = JSON.parse(input)
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if (result && typeof result === "object") return result
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return undefined
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} catch {
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return undefined
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function message(providerID: ProviderID, e: APICallError) {
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return iife(() => {
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const msg = e.message
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if (msg === "") {
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if (e.responseBody) return e.responseBody
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if (e.statusCode) {
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const err = STATUS_CODES[e.statusCode]
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if (err) return err
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}
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return "Unknown error"
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}
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if (typeof input === "object" && input !== null) {
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return input
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if (!e.responseBody || (e.statusCode && msg !== STATUS_CODES[e.statusCode])) {
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return msg
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}
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return undefined
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}
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export type ParsedStreamError =
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| {
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type: "context_overflow"
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message: string
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responseBody: string
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try {
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const body = JSON.parse(e.responseBody)
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// try to extract common error message fields
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const errMsg = body.message || body.error || body.error?.message
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if (errMsg && typeof errMsg === "string") {
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return `${msg}: ${errMsg}`
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}
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| {
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type: "api_error"
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message: string
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isRetryable: false
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responseBody: string
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} catch {}
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// If responseBody is HTML (e.g. from a gateway or proxy error page),
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// provide a human-readable message instead of dumping raw markup
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if (/^\s*<!doctype|^\s*<html/i.test(e.responseBody)) {
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if (e.statusCode === 401) {
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return "Unauthorized: request was blocked by a gateway or proxy. Your authentication token may be missing or expired — try running `opencode auth login <your provider URL>` to re-authenticate."
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}
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if (e.statusCode === 403) {
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return "Forbidden: request was blocked by a gateway or proxy. You may not have permission to access this resource — check your account and provider settings."
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}
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return msg
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}
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export function parseStreamError(input: unknown): ParsedStreamError | undefined {
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const body = json(input)
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if (!body) return
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return `${msg}: ${e.responseBody}`
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}).trim()
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}
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const responseBody = JSON.stringify(body)
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if (body.type !== "error") return
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switch (body?.error?.code) {
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case "context_length_exceeded":
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return {
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type: "context_overflow",
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message: "Input exceeds context window of this model",
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responseBody,
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}
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case "insufficient_quota":
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return {
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type: "api_error",
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message: "Quota exceeded. Check your plan and billing details.",
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isRetryable: false,
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responseBody,
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}
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case "usage_not_included":
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return {
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type: "api_error",
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message: "To use Codex with your ChatGPT plan, upgrade to Plus: https://chatgpt.com/explore/plus.",
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isRetryable: false,
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responseBody,
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}
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case "invalid_prompt":
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return {
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type: "api_error",
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message: typeof body?.error?.message === "string" ? body?.error?.message : "Invalid prompt.",
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isRetryable: false,
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responseBody,
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}
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function json(input: unknown) {
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if (typeof input === "string") {
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try {
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const result = JSON.parse(input)
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if (result && typeof result === "object") return result
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return undefined
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} catch {
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return undefined
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}
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}
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if (typeof input === "object" && input !== null) {
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return input
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}
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return undefined
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}
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export type ParsedAPICallError =
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| {
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type: "context_overflow"
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message: string
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responseBody?: string
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}
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| {
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type: "api_error"
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message: string
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statusCode?: number
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isRetryable: boolean
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responseHeaders?: Record<string, string>
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responseBody?: string
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metadata?: Record<string, string>
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}
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export type ParsedStreamError =
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| {
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type: "context_overflow"
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message: string
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responseBody: string
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}
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| {
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type: "api_error"
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message: string
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isRetryable: false
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responseBody: string
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}
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export function parseAPICallError(input: { providerID: ProviderID; error: APICallError }): ParsedAPICallError {
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const m = message(input.providerID, input.error)
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const body = json(input.error.responseBody)
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if (isOverflow(m) || input.error.statusCode === 413 || body?.error?.code === "context_length_exceeded") {
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export function parseStreamError(input: unknown): ParsedStreamError | undefined {
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const body = json(input)
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if (!body) return
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const responseBody = JSON.stringify(body)
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if (body.type !== "error") return
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switch (body?.error?.code) {
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case "context_length_exceeded":
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return {
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type: "context_overflow",
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message: m,
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responseBody: input.error.responseBody,
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message: "Input exceeds context window of this model",
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responseBody,
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}
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case "insufficient_quota":
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return {
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type: "api_error",
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message: "Quota exceeded. Check your plan and billing details.",
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isRetryable: false,
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responseBody,
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}
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case "usage_not_included":
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return {
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type: "api_error",
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message: "To use Codex with your ChatGPT plan, upgrade to Plus: https://chatgpt.com/explore/plus.",
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isRetryable: false,
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responseBody,
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}
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case "invalid_prompt":
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return {
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type: "api_error",
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message: typeof body?.error?.message === "string" ? body?.error?.message : "Invalid prompt.",
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isRetryable: false,
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responseBody,
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}
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}
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const metadata = input.error.url ? { url: input.error.url } : undefined
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return {
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type: "api_error",
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message: m,
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statusCode: input.error.statusCode,
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isRetryable: input.providerID.startsWith("openai")
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? isOpenAiErrorRetryable(input.error)
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: input.error.isRetryable,
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responseHeaders: input.error.responseHeaders,
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responseBody: input.error.responseBody,
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metadata,
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}
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}
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}
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export type ParsedAPICallError =
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| {
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type: "context_overflow"
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message: string
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responseBody?: string
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}
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| {
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type: "api_error"
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message: string
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statusCode?: number
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isRetryable: boolean
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responseHeaders?: Record<string, string>
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responseBody?: string
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metadata?: Record<string, string>
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}
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export function parseAPICallError(input: { providerID: ProviderID; error: APICallError }): ParsedAPICallError {
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const m = message(input.providerID, input.error)
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const body = json(input.error.responseBody)
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if (isOverflow(m) || input.error.statusCode === 413 || body?.error?.code === "context_length_exceeded") {
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return {
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type: "context_overflow",
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message: m,
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responseBody: input.error.responseBody,
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}
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}
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const metadata = input.error.url ? { url: input.error.url } : undefined
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return {
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type: "api_error",
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message: m,
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statusCode: input.error.statusCode,
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isRetryable: input.providerID.startsWith("openai")
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? isOpenAiErrorRetryable(input.error)
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: input.error.isRetryable,
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responseHeaders: input.error.responseHeaders,
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responseBody: input.error.responseBody,
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metadata,
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}
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}
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