1  import { cli, Strategy } from '@jackwener/opencli/registry';
 2  
 3  cli({
 4    site: 'binance',
 5    name: 'depth',
 6    description: 'Order book bid and ask prices for a trading pair',
 7    domain: 'data-api.binance.vision',
 8    strategy: Strategy.PUBLIC,
 9    browser: false,
10    args: [
11      { name: 'symbol', type: 'str', required: true, positional: true, help: 'Trading pair symbol (e.g. BTCUSDT, ETHUSDT)' },
12      { name: 'limit', type: 'int', default: 10, help: 'Number of price levels (5, 10, 20, 50, 100)' },
13    ],
14    columns: ['rank', 'bid_price', 'bid_qty', 'ask_price', 'ask_qty'],
15    pipeline: [
16      { fetch: { url: 'https://data-api.binance.vision/api/v3/depth?symbol=${{ args.symbol }}&limit=${{ args.limit }}' } },
17      { map: { select: 'bids', rank: '${{ index + 1 }}', bid_price: '${{ item[0] }}', bid_qty: '${{ item[1] }}', ask_price: '${{ root.asks[index]?.[0] ?? "" }}', ask_qty: '${{ root.asks[index]?.[1] ?? "" }}' } },
18      { limit: '${{ args.limit }}' },
19    ],
20  });