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Claude Agent SDK for Elixir – Build AI agents with Claude Code
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lib/claude_code/content/text_block.ex
defmodule ClaudeCode.Content.TextBlock do
@moduledoc """
Represents a text content block within a Claude message.
Text blocks contain plain text content that represents Claude's response
or user input.
"""
@enforce_keys [:type, :text]
defstruct [:type, :text]
@type t :: %__MODULE__{
type: :text,
text: String.t()
}
@doc """
Creates a new Text content block from JSON data.
## Examples
iex> Text.new(%{"type" => "text", "text" => "Hello!"})
{:ok, %Text{type: :text, text: "Hello!"}}
iex> Text.new(%{"type" => "tool_use", "text" => "Hi"})
{:error, :invalid_content_type}
"""
@spec new(map()) :: {:ok, t()} | {:error, atom()}
def new(%{"type" => "text"} = data) do
case data do
%{"text" => text} when is_binary(text) ->
{:ok, %__MODULE__{type: :text, text: text}}
%{"text" => _} ->
{:error, :invalid_text}
_ ->
{:error, :missing_text}
end
end
def new(_), do: {:error, :invalid_content_type}
@doc """
Type guard to check if a value is a Text content block.
"""
@spec text_content?(any()) :: boolean()
def text_content?(%__MODULE__{type: :text}), do: true
def text_content?(_), do: false
end