Save File

Save File

SDK function: saveBase64Data

saveBase64Data This function saves Base64 data encoded as a string to the user's device with the specified file name and MIME type. You can save data in various formats such as images, text, and PDFs.

Signature

function saveBase64Data(params: SaveBase64DataParams): Promise<void>;

Parameters

• params · Required · SaveBase64DataParams

  An object containing the data to save and file information.

  • params.data · Required · string

    A Base64-encoded data string.
  • params.fileName · Required · string

    The name of the file to save. You must include the extension too. For example, you can save it as 'example.png'.
  • params.mimeType · Required · string

    The MIME type of the file to save. For example, specifying 'image/png' means an image, and 'application/pdf' means a PDF file. For more details, see MIME documentation.

Example

Saving Base64 image data to the user's device

js

import { saveBase64Data } from '@apps-in-toss/web-framework';

async function handleSaveBase64Data() {
  try {
    await saveBase64Data({
      data: 'iVBORw0KGgo...',
      fileName: 'some-photo.png',
      mimeType: 'image/png',
    });
    console.log('Data saved successfully');
  } catch (error) {
    console.error('Failed to save data:', error);
  }
}

React

import { saveBase64Data } from '@apps-in-toss/web-framework';
import { Button } from '@toss/tds-mobile';

function SaveButton() {
  const handleSave = async () => {
    try {
      await saveBase64Data({
        data: 'iVBORw0KGgo...',
        fileName: 'some-photo.png',
        mimeType: 'image/png',
      });
    } catch (error) {
      console.error('Failed to save data:', error);
    }
  };

  return <Button onClick={handleSave}>Save</Button>;
}

React Native

import { saveBase64Data } from '@apps-in-toss/framework';
import { Button } from '@toss/tds-react-native';

function SaveButton() {
  const handleSave = async () => {
    try {
      await saveBase64Data({
        data: 'iVBORw0KGgo...',
        fileName: 'some-photo.png',
        mimeType: 'image/png',
      });
    } catch (error) {
      console.error('Failed to save data:', error);
    }
  };

  return <Button onPress={handleSave}>Save</Button>;
}