Function parseToolCallInput

packages/ai-mistral/src/adapters/text.ts:51–67

* Parse the accumulated streaming arguments for a tool call. Throws a clear * error if the JSON is malformed — silently substituting `{}` would let a * tool fire with empty inputs, masking truncated streams or mis-shaped output.

(toolCall: {
  id: string
  name: string
  arguments: string
})

 * tool fire with empty inputs, masking truncated streams or mis-shaped output.
 */
function parseToolCallInput(toolCall: {
  id: string
  name: string
  arguments: string
}): unknown {
  if (!toolCall.arguments) return {}
  try {
    return transformNullsToUndefined(JSON.parse(toolCall.arguments))
  } catch (cause) {
    const preview = toolCall.arguments.slice(0, 200)
    const ellipsis = toolCall.arguments.length > 200 ? '...' : ''
    throw new Error(
      `Failed to parse tool call arguments for tool '${toolCall.name}' (id: ${toolCall.id}). Arguments: ${preview}${ellipsis}`,
      { cause },
    )
  }
}

/**
 * Configuration for Mistral text adapter.