opencode/packages/ai/src/providers/google.ts
2026-07-29 18:20:30 +05:30

70 lines
2.5 KiB
TypeScript

import type { RouteDefaultsInput } from "../route/client"
import { Auth } from "../route/auth"
import type { ProviderAuthOption } from "../route/auth-options"
import type { ProviderPackage } from "../provider-package"
import { HttpOptions, ProviderID, mergeHttpOptions, type ModelID } from "../schema"
import { Gemini } from "../protocols/gemini"
import { GoogleImages } from "../protocols/google-images"
export type { GoogleImageOptions } from "../protocols/google-images"
export type GeminiOptionsInput = Gemini.OptionsInput
export type GeminiProviderOptionsInput = Gemini.ProviderOptionsInput
export const id = ProviderID.make("google")
export const routes = [Gemini.route]
export type Config = RouteDefaultsInput &
ProviderAuthOption<"optional"> & {
readonly baseURL?: string
readonly providerOptions?: Gemini.ProviderOptionsInput
}
export interface Settings extends ProviderPackage.Settings {
readonly apiKey?: string
readonly baseURL?: string
readonly providerOptions?: Gemini.ProviderOptionsInput
}
const auth = (options: ProviderAuthOption<"optional">) => {
if ("auth" in options && options.auth) return options.auth
return Auth.optional("apiKey" in options ? options.apiKey : undefined, "apiKey")
.orElse(Auth.config("GOOGLE_GENERATIVE_AI_API_KEY"))
.pipe(Auth.header("x-goog-api-key"))
}
const configuredRoute = (input: Config) => {
const { apiKey: _, auth: _auth, baseURL, ...rest } = input
return Gemini.route.with({ ...rest, endpoint: { baseURL }, auth: auth(input) })
}
export const configure = (input: Config = {}) => {
const route = configuredRoute(input)
const image = (modelID: string | ModelID) =>
GoogleImages.model({
id: modelID,
auth: auth(input),
baseURL: input.baseURL,
headers: input.headers,
http: mergeHttpOptions(input.http === undefined ? undefined : HttpOptions.make(input.http)),
})
return {
id,
model: (modelID: string | ModelID) => route.model<Gemini.ProviderOptionsInput>({ id: modelID }),
image,
configure,
}
}
export const provider = configure()
export const model: ProviderPackage.Definition<Settings, Gemini.ProviderOptionsInput>["model"] = (modelID, settings) =>
configure({
apiKey: settings.apiKey,
baseURL: settings.baseURL,
headers: settings.headers === undefined ? undefined : { ...settings.headers },
http: settings.body === undefined ? undefined : { body: { ...settings.body } },
limits: settings.limits,
providerOptions: settings.providerOptions,
}).model(modelID)
export const image = provider.image