imagen.ts•1.33 kB
/**
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// [START imagen]
import { vertexAI } from '@genkit-ai/vertexai';
import parseDataURL from 'data-urls';
import { genkit } from 'genkit';
import { writeFile } from 'node:fs/promises';
const ai = genkit({
plugins: [vertexAI({ location: 'us-central1' })],
});
async function main() {
const { media } = await ai.generate({
model: vertexAI.model('imagen-3.0-fast-generate-001'),
prompt: 'photo of a meal fit for a pirate',
output: { format: 'media' },
});
if (media === null) throw new Error('No media generated.');
const data = parseDataURL(media.url);
if (data === null) throw new Error('Invalid "data:" URL.');
await writeFile(`output.${data.mimeType.subtype}`, data.body);
}
main();
// [END imagen]