Function fromError

packages/arctic/src/session/message-v2.ts:609–669

(e: unknown, ctx: { providerID: string })

  }

  export function fromError(e: unknown, ctx: { providerID: string }) {
    switch (true) {
      case e instanceof DOMException && e.name === "AbortError":
        return new MessageV2.AbortedError(
          { message: e.message },
          {
            cause: e,
          },
        ).toObject()
      case MessageV2.OutputLengthError.isInstance(e):
        return e
      case LoadAPIKeyError.isInstance(e):
        return new MessageV2.AuthError(
          {
            providerID: ctx.providerID,
            message: e.message,
          },
          { cause: e },
        ).toObject()
      case APICallError.isInstance(e):
        const message = iife(() => {
          let msg = e.message
          const transformed = ProviderTransform.error(ctx.providerID, e)
          if (transformed !== msg) {
            return transformed
          }
          if (!e.responseBody || (e.statusCode && msg !== STATUS_CODES[e.statusCode])) {
            return msg
          }

          try {
            const body = JSON.parse(e.responseBody)
            // try to extract common error message fields
            const errMsg =
              (typeof body.error?.friendly_message === "string" && body.error.friendly_message) ||
              (typeof body.error?.message === "string" && body.error.message) ||
              (typeof body.message === "string" && body.message)
            if (errMsg && typeof errMsg === "string") {
              return `${msg}: ${errMsg}`
            }
          } catch {}

          return `${msg}: ${e.responseBody}`
        })

        return new MessageV2.APIError(
          {
            message,
            statusCode: e.statusCode,
            isRetryable: e.isRetryable,
            responseHeaders: e.responseHeaders,
            responseBody: e.responseBody,
          },
          { cause: e },
        ).toObject()
      case e instanceof Error:
        return new NamedError.Unknown({ message: e.toString() }, { cause: e }).toObject()
      default: