Public declaration syntax from forge-ts/packages/forge-core/src/message.ts
Original source SHA-256: 7d44394ef531c2ec2bec273b651b8b82a98919738cebe4f9f5b27c3dfa75304b
Function bodies and constant values are omitted. This is not the complete implementation.

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export const Role /* type inferred in source */;

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export type Role = (typeof Role)[keyof typeof Role];

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export interface TextPart {
  readonly type: 'text';
  /** The text content. */
  readonly text: string;
}

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export interface ImagePart {
  readonly type: 'image';
  /** Base64-encoded image data, or a URL. */
  readonly data: string;
  /** MIME type (e.g., "image/png"). */
  readonly mediaType: string;
}

Source line 78
export interface ToolCallPart {
  readonly type: 'tool_call';
  /** Unique identifier for this tool call. */
  readonly id: string;
  /** The tool name. */
  readonly name: string;
  /** JSON arguments for the tool. */
  readonly arguments: unknown;
}

Source line 102
export interface ToolResultPart {
  readonly type: 'tool_result';
  /** The tool call ID this result corresponds to. */
  readonly toolCallId: string;
  /** The tool name. */
  readonly name: string;
  /** The result content (typically stringified). */
  readonly content: string;
  /** Whether the tool execution resulted in an error. */
  readonly isError: boolean;
}

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export type MessagePart = TextPart | ImagePart | ToolCallPart | ToolResultPart;

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export function textPart(text: string): TextPart;

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export function imagePart(data: string, mediaType: string): ImagePart;

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export function toolCallPart(id: string, name: string, args: unknown): ToolCallPart;

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export function toolResultPart(
  toolCallId: string,
  name: string,
  content: string,
  isError: boolean
): ToolResultPart;

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export function isToolCall(part: MessagePart): part is ToolCallPart;

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export function isToolResult(part: MessagePart): part is ToolResultPart;

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export interface ModelMessage {
  /** The message participant role. */
  readonly role: Role;
  /** One or more content parts. */
  readonly parts: readonly MessagePart[];
}

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export function createMessage(role: Role, parts: MessagePart[]): ModelMessage;

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export function createTextMessage(role: Role, text: string): ModelMessage;

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export function getToolCalls(message: ModelMessage): readonly ToolCallPart[];

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export function getTextContent(message: ModelMessage): string;