oh-my-opencode/src/shared/model-name-matcher.ts

84 lines
2.1 KiB
TypeScript

import { log } from "./logger"
function normalizeModelName(name: string): string {
return name
.toLowerCase()
.replace(/claude-(opus|sonnet|haiku)-(\d+)[.-](\d+)/g, "claude-$1-$2.$3")
}
export function fuzzyMatchModel(
target: string,
available: Set<string>,
providers?: string[],
): string | null {
log("[fuzzyMatchModel] called", { target, availableCount: available.size, providers })
if (available.size === 0) {
log("[fuzzyMatchModel] empty available set")
return null
}
const targetNormalized = normalizeModelName(target)
let candidates = Array.from(available)
if (providers && providers.length > 0) {
const providerSet = new Set(providers)
candidates = candidates.filter((model) => {
const [provider] = model.split("/")
return providerSet.has(provider)
})
log("[fuzzyMatchModel] filtered by providers", {
candidateCount: candidates.length,
candidates: candidates.slice(0, 10),
})
}
if (candidates.length === 0) {
log("[fuzzyMatchModel] no candidates after filter")
return null
}
const matches = candidates.filter((model) =>
normalizeModelName(model).includes(targetNormalized),
)
log("[fuzzyMatchModel] substring matches", {
targetNormalized,
matchCount: matches.length,
matches,
})
if (matches.length === 0) {
return null
}
const exactMatch = matches.find(
(model) => normalizeModelName(model) === targetNormalized,
)
if (exactMatch) {
log("[fuzzyMatchModel] exact match found", { exactMatch })
return exactMatch
}
const exactModelIdMatches = matches.filter((model) => {
const modelId = model.split("/").slice(1).join("/")
return normalizeModelName(modelId) === targetNormalized
})
if (exactModelIdMatches.length > 0) {
const result = exactModelIdMatches.reduce((shortest, current) =>
current.length < shortest.length ? current : shortest,
)
log("[fuzzyMatchModel] exact model ID match found", {
result,
candidateCount: exactModelIdMatches.length,
})
return result
}
const result = matches.reduce((shortest, current) =>
current.length < shortest.length ? current : shortest,
)
log("[fuzzyMatchModel] shortest match", { result })
return result
}