onnxruntime/js/react_native/e2e/src/mnist-data-handler.ts

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

import { NativeModules } from 'react-native';

export interface MNISTInput {
  [name: string]: {
    dims: number[];
    type: string;
    data: string; // encoded tensor data
  };
}

export interface MNISTOutput {
  [name: string]: {
    data: string; // encoded tensor data
  };
}

export interface MNISTResult {
  result: string;
}

type MNISTType = {
  getLocalModelPath(): Promise<string>;
  getImagePath(): Promise<string>;
  preprocess(uri: string): Promise<MNISTInput>;
  postprocess(result: MNISTOutput): Promise<MNISTResult>;
};

const MNIST = NativeModules.MNISTDataHandler;

export default MNIST as MNISTType;