Function callWithFallback

common/src/util/__tests__/error-abort.test.ts:424–440

(signal: { aborted: boolean })

    }

    async function callWithFallback(signal: { aborted: boolean }): Promise<PromptResult<string>> {
      try {
        const result = await primaryProvider(signal)
        // If aborted, don't try fallback
        if (result.aborted) {
          return result
        }
        return result
      } catch (error) {
        // Don't fall back on abort errors
        if (isAbortError(error)) {
          throw error
        }
        // Try fallback for other errors
        return fallbackProvider(signal)
      }
    }

    it('uses fallback on non-abort error', async () => {
      const signal = { aborted: false }