usage.ts
519 bytes
| 1 | import { emptyUsage, type Usage } from './types'; |
|---|---|
| 2 | |
| 3 | /** Sum two usage records (tokens + cost). */ |
| 4 | export function addUsage(a: Usage, b: Usage): Usage { |
| 5 | return { |
| 6 | promptTokens: a.promptTokens + b.promptTokens, |
| 7 | completionTokens: a.completionTokens + b.completionTokens, |
| 8 | totalTokens: a.totalTokens + b.totalTokens, |
| 9 | costUsd: a.costUsd + b.costUsd, |
| 10 | }; |
| 11 | } |
| 12 | |
| 13 | export function sumUsage(usages: Iterable<Usage>): Usage { |
| 14 | let acc = emptyUsage(); |
| 15 | for (const u of usages) acc = addUsage(acc, u); |
| 16 | return acc; |
| 17 | } |
| 18 | |