Tune algorithms live

1import { Replane } from '@replanejs/sdk'
2
3interface Configs {
4  'search-weights': {
5    title: number
6    description: number
7    tags: number
8    recency: number
9  }
10  'similarity-threshold': number
11  'max-results': number
12  'boost-premium': number
13}
14
15const replane = new Replane<Configs>()
16
17await replane.connect({
18  baseUrl: 'https://replane.example.com',
19  sdkKey: process.env.REPLANE_SDK_KEY
20})
21
22function rankSearchResults(query: string, items: Item[]) {
23  const weights = replane.get('search-weights')
24  const threshold = replane.get('similarity-threshold')
25  const maxResults = replane.get('max-results')
26  const premiumBoost = replane.get('boost-premium')
27
28  return items
29    .map(item => ({
30      item,
31      score: 
32        weights.title * scoreTitle(query, item.title) +
33        weights.description * scoreDescription(query, item.description) +
34        weights.tags * scoreTags(query, item.tags) +
35        weights.recency * scoreRecency(item.createdAt) +
36        (item.isPremium ? premiumBoost : 0)
37    }))
38    .filter(r => r.score >= threshold)
39    .sort((a, b) => b.score - a.score)
40    .slice(0, maxResults)
41}