hello_dalle.ts

import Interval, { io, ctx } from "@interval/sdk";
import 'dotenv/config';

const interval = new Interval({
  apiKey: process.env.INTERVAL_KEY,
  endpoint: process.env.INTERVAL_ENDPOINT,
  routes: {
    image_generation: async () => {
      const { prompt, n, size } = await io.group({
        prompt: io.input.text('Prompt', {
          multiline: true
        }),
        n: io.input.number('Number of images', {
          defaultValue: 1,
          min: 1,
          max: 10,
        }),
        size: io.select.single('Image size', {
          options: ['256x256', '512x512', '1024x1024'],
          defaultValue: '512x512'
        })
      });

      await ctx.loading.start('Generating images')

      const r = await fetch('https://api.openai.com/v1/images/generations', {
        method: 'POST',
        headers: {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${process.env.OPENAPI_API_KEY}`,
        },
        body: JSON.stringify({
          prompt,
          n,
          size,
        })
      });

      const data = await r.json();

      await io.group(
        data.data.map(({ url }, i) =>
          io.display.image(`Image ${i + 1}`, { url }))
      );
    },
    image_variations: async () => {
      const { image, n, size } = await io.group({
        image: io.experimental.input.file('Input file', {
          allowedExtensions: ['.png'],
          helpText: 'Must be a square image under 4MB',
        }),
        n: io.input.number('Number of images', {
          defaultValue: 1,
          min: 1,
          max: 10,
        }),
        size: io.select.single('Image size', {
          options: ['256x256', '512x512', '1024x1024'],
          defaultValue: '512x512'
        })
      });

      await ctx.loading.start('Generating images')

      const formData = new FormData();
      formData.append('image', new Blob([await image.buffer()]));
      formData.append('n', n.toString())
      formData.append('size', size)

      const r = await fetch('https://api.openai.com/v1/images/variations', {
        method: 'POST',
        headers: {
          'Authorization': `Bearer ${process.env.OPENAPI_API_KEY}`,
        },
        body: formData,
      });

      const data = await r.json();

      await io.group(
        data.data.map(({ url }, i) =>
          io.display.image(`Image ${i + 1}`, { url }))
      );
    }
  }
});

interval.listen();