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index.d.ts
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import { request } from "@octokit/request";
// verification types
type RequestInterface = typeof request;
export type VerificationKeysCache = {
id: string;
keys: VerificationPublicKey[];
};
type RequestOptions = {
request?: RequestInterface;
token?: string;
cache?: VerificationKeysCache;
};
export type VerificationPublicKey = {
key_identifier: string;
key: string;
is_current: boolean;
};
interface VerifyRequestInterface {
(rawBody: string, signature: string, key: string): Promise<boolean>;
}
interface FetchVerificationKeysInterface {
(requestOptions?: RequestOptions): Promise<VerificationKeysCache>;
}
interface VerifyRequestByKeyIdInterface {
(
rawBody: string,
signature: string,
keyId: string,
requestOptions?: RequestOptions,
): Promise<{
isValid: boolean;
cache: VerificationKeysCache;
}>;
}
// response types
export interface CreateAckEventInterface {
(): string;
}
export interface CreateTextEventInterface {
(message: string): string;
}
export type CreateConfirmationEventOptions = {
id: string;
title: string;
message: string;
metadata?: Record<string, unknown>;
};
export interface CreateConfirmationEventInterface {
(options: CreateConfirmationEventOptions): string;
}
export interface CreateReferencesEventInterface {
(references: CopilotReference[]): string;
}
export interface CreateErrorsEventInterface {
(errors: CopilotError[]): string;
}
export interface CreateDoneEventInterface {
(): string;
}
type CopilotError = {
type: "reference" | "function" | "agent";
code: string;
message: string;
identifier: string;
};
interface CopilotReference {
type: string;
id: string;
data?: {
[key: string]: unknown;
};
is_implicit?: boolean;
metadata?: {
display_name: string;
display_icon?: string;
display_url?: string;
};
}
// parse types
export interface CopilotRequestPayload {
copilot_thread_id: string;
messages: CopilotMessage[];
stop: any;
top_p: number;
temperature: number;
max_tokens: number;
presence_penalty: number;
frequency_penalty: number;
copilot_skills: any[];
agent: string;
}
export interface OpenAICompatibilityPayload {
messages: InteropMessage[];
}
export interface CopilotMessage {
role: MessageRole;
content: string;
copilot_references?: MessageCopilotReference[];
copilot_confirmations?: MessageCopilotConfirmation[];
tool_calls?: {
function: {
arguments: string;
name: string;
};
id: string;
type: "function";
}[];
name?: string;
[key: string]: unknown;
}
export type MessageRole = "system" | "user" | "assistant";
export interface InteropMessage<TRole extends MessageRole = MessageRole> {
role: TRole;
content: string;
name?: string;
[key: string]: unknown;
}
export interface MessageCopilotReference {
type: string;
data: CopilotReferenceData;
id: string;
is_implicit: boolean;
metadata: CopilotReferenceMetadata;
}
export interface CopilotReferenceData {
type: string;
id: number;
name?: string;
ownerLogin?: string;
ownerType?: string;
readmePath?: string;
description?: string;
commitOID?: string;
ref?: string;
refInfo?: CopilotReferenceDataRefInfo;
visibility?: string;
languages?: CopilotReferenceDataLanguage[];
login?: string;
avatarURL?: string;
url?: string;
}
export interface CopilotReferenceDataRefInfo {
name: string;
type: string;
}
export interface CopilotReferenceDataLanguage {
name: string;
percent: number;
}
export interface CopilotReferenceMetadata {
display_name: string;
display_icon: string;
display_url: string;
}
export interface MessageCopilotConfirmation {
state: "dismissed" | "accepted";
confirmation: {
id: string;
[key: string]: unknown;
};
}
export interface ParseRequestBodyInterface {
(body: string): CopilotRequestPayload;
}
export interface TransformPayloadForOpenAICompatibilityInterface {
(payload: CopilotRequestPayload): OpenAICompatibilityPayload;
}
export interface VerifyAndParseRequestInterface {
(
body: string,
signature: string,
keyID: string,
requestOptions?: RequestOptions,
): Promise<{
isValidRequest: boolean;
payload: CopilotRequestPayload;
cache: VerificationKeysCache;
}>;
}
export interface GetUserMessageInterface {
(payload: CopilotRequestPayload): string;
}
export type UserConfirmation = {
accepted: boolean;
id?: string;
metadata: Record<string, unknown>;
};
export interface GetUserConfirmationInterface {
(payload: CopilotRequestPayload): UserConfirmation | undefined;
}
// prompt
/**
* model names supported by Copilot API
* A list of currently supported models can be retrieved at
* https://api.githubcopilot.com/models. We set `ModelName` to `string`
* instead of a union of the supported models as we cannot give
* guarantees about the supported models in the future.
*/
export type ModelName = string;
export interface PromptFunction {
type: "function";
function: {
name: string;
description?: string;
/** @see https://platform.openai.com/docs/guides/structured-outputs/supported-schemas */
parameters?: Record<string, unknown>;
strict?: boolean | null;
};
}
export type PromptOptions = {
token: string;
endpoint?: string;
model?: ModelName;
tools?: PromptFunction[];
messages?: InteropMessage[];
request?: {
fetch?: Function;
};
};
export type PromptResult = {
requestId: string;
message: CopilotMessage;
};
export type PromptStreamResult = {
requestId: string;
stream: ReadableStream<Uint8Array>;
};
// https://stackoverflow.com/a/69328045
type WithRequired<T, K extends keyof T> = T & { [P in K]-?: T[P] };
interface PromptInterface {
(userPrompt: string, options: PromptOptions): Promise<PromptResult>;
(options: WithRequired<PromptOptions, "messages">): Promise<PromptResult>;
stream: PromptStreamInterface;
}
interface PromptStreamInterface {
(userPrompt: string, options: PromptOptions): Promise<PromptStreamResult>;
(
options: WithRequired<PromptOptions, "messages">,
): Promise<PromptStreamResult>;
}
interface GetFunctionCallsInterface {
(payload: PromptResult): {
id: string;
function: {
name: string;
arguments: string;
};
}[];
}
// exported methods
export declare const verifyRequest: VerifyRequestInterface;
export declare const fetchVerificationKeys: FetchVerificationKeysInterface;
export declare const verifyRequestByKeyId: VerifyRequestByKeyIdInterface;
export declare const createAckEvent: CreateAckEventInterface;
export declare const createConfirmationEvent: CreateConfirmationEventInterface;
export declare const createDoneEvent: CreateDoneEventInterface;
export declare const createErrorsEvent: CreateErrorsEventInterface;
export declare const createReferencesEvent: CreateReferencesEventInterface;
export declare const createTextEvent: CreateTextEventInterface;
export declare const parseRequestBody: ParseRequestBodyInterface;
export declare const transformPayloadForOpenAICompatibility: TransformPayloadForOpenAICompatibilityInterface;
export declare const verifyAndParseRequest: VerifyAndParseRequestInterface;
export declare const getUserMessage: GetUserMessageInterface;
export declare const getUserConfirmation: GetUserConfirmationInterface;
export declare const prompt: PromptInterface;
export declare const getFunctionCalls: GetFunctionCallsInterface;