openai/internal/uploads.d.mts

The official TypeScript library for the OpenAI API

import { type RequestOptions } from "./request-options.mjs";
import type { FilePropertyBag, Fetch } from "./builtin-types.mjs";
import type { OpenAI } from "../client.mjs";
import type { ReadableStream } from "./shim-types.mjs";
export type BlobPart = string | ArrayBuffer | ArrayBufferView | Blob | DataView;
type FsReadStream = AsyncIterable<Uint8Array> & {
    path: string | {
        toString(): string;
    };
};
export type StreamingFileInput = AsyncIterable<BlobPart> | ReadableStream<BlobPart>;
declare const brand_privateStreamingFile: unique symbol;
/**
 * A file whose contents are read lazily while the multipart request is sent.
 * Create one with {@link toStreamingFile} when buffering an upload into a `File` is undesirable.
 */
export interface StreamingFile {
    /** Brand check, prevent users from creating a StreamingFile without a filename. */
    readonly [brand_privateStreamingFile]: true;
    readonly data: StreamingFileInput;
    readonly name: string;
    readonly type?: string | undefined;
}
/**
 * Wrap a stream as an uploadable file without reading it into memory.
 *
 * Unlike {@link toFile}, this helper does not create a web `File`, because the `File` constructor
 * must consume all of its contents up front. The stream is instead encoded lazily as multipart
 * form data when the request is sent.
 */
export declare function toStreamingFile(data: StreamingFileInput, name: string, options?: Pick<FilePropertyBag, 'type'>): StreamingFile;
interface BunFile extends Blob {
    readonly name?: string | undefined;
}
type NamedBlob = Blob & {
    readonly name?: string | undefined;
};
export declare const checkFileSupport: () => void;
/**
 * Typically, this is a native "File" class.
 *
 * We provide the {@link toFile} utility to convert a variety of objects
 * into the File class.
 *
 * For convenience, you can also pass a fetch Response, or in Node,
 * the result of fs.createReadStream().
 */
export type Uploadable = File | Response | FsReadStream | BunFile | NamedBlob | AsyncIterable<BlobPart> | ReadableStream<BlobPart> | StreamingFile;
/**
 * Construct a `File` instance. This is used to ensure a helpful error is thrown
 * for environments that don't define a global `File` yet.
 */
export declare function makeFile(fileBits: BlobPart[], fileName: string | undefined, options?: FilePropertyBag): File;
export declare function getName(value: any): string | undefined;
export declare const isAsyncIterable: (value: any) => value is AsyncIterable<any>;
/**
 * Returns a multipart/form-data request if any part of the given request body contains a File / Blob value.
 * Otherwise returns the request as is.
 */
export declare const maybeMultipartFormRequestOptions: (opts: RequestOptions, fetch: OpenAI | Fetch) => Promise<RequestOptions>;
type MultipartFormRequestOptions = Omit<RequestOptions, 'body'> & {
    body: unknown;
};
export declare const multipartFormRequestOptions: (opts: MultipartFormRequestOptions, fetch: OpenAI | Fetch) => Promise<RequestOptions>;
export declare const createForm: <T = Record<string, unknown>>(body: T | undefined, fetch: OpenAI | Fetch) => Promise<FormData>;
export {};
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