27 lines
1.0 KiB
TypeScript
27 lines
1.0 KiB
TypeScript
import type { Config } from "@/config"
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import type { Provider } from "@/provider"
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import { ProviderTransform } from "@/provider"
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import type { MessageV2 } from "./message-v2"
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const COMPACTION_BUFFER = 20_000
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export function usable(input: { cfg: Config.Info; model: Provider.Model }) {
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const context = input.model.limit.context
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if (context === 0) return 0
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const reserved =
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input.cfg.compaction?.reserved ?? Math.min(COMPACTION_BUFFER, ProviderTransform.maxOutputTokens(input.model))
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return input.model.limit.input
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? Math.max(0, input.model.limit.input - reserved)
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: Math.max(0, context - ProviderTransform.maxOutputTokens(input.model))
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}
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export function isOverflow(input: { cfg: Config.Info; tokens: MessageV2.Assistant["tokens"]; model: Provider.Model }) {
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if (input.cfg.compaction?.auto === false) return false
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if (input.model.limit.context === 0) return false
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const count =
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input.tokens.total || input.tokens.input + input.tokens.output + input.tokens.cache.read + input.tokens.cache.write
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return count >= usable(input)
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}
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