File size: 6,963 Bytes
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import { define } from "../internal"
import { ProviderV2 } from "../../provider"
function resolveProject(options: Record<string, any>) {
// models.dev advertises GOOGLE_VERTEX_PROJECT for Vertex, while Google SDKs
// and ADC examples commonly use the broader Google Cloud project aliases.
return (
options.project ??
process.env.GOOGLE_VERTEX_PROJECT ??
process.env.GOOGLE_CLOUD_PROJECT ??
process.env.GCP_PROJECT ??
process.env.GCLOUD_PROJECT
)
}
function resolveLocation(options: Record<string, any>) {
return (
options.location ??
process.env.GOOGLE_VERTEX_LOCATION ??
process.env.GOOGLE_CLOUD_LOCATION ??
process.env.VERTEX_LOCATION ??
"us-central1"
)
}
function vertexEndpoint(location: string) {
if (location === "global") return "aiplatform.googleapis.com"
return `${location}-aiplatform.googleapis.com`
}
function replaceVertexVars(value: string, project: string | undefined, location: string) {
// Vertex OpenAI-compatible endpoints are stored as templates in the catalog;
// expand them after provider config/env project and location have been resolved.
return value
.replaceAll("${GOOGLE_VERTEX_PROJECT}", project ?? "${GOOGLE_VERTEX_PROJECT}")
.replaceAll("${GOOGLE_VERTEX_LOCATION}", location)
.replaceAll("${GOOGLE_VERTEX_ENDPOINT}", vertexEndpoint(location))
}
function authFetch(fetchWithRuntimeOptions?: unknown) {
// Native Vertex SDKs handle ADC internally. OpenAI-compatible Vertex endpoints
// do not, so inject a Google access token into their fetch path.
return async (input: Parameters<typeof fetch>[0], init?: RequestInit) => {
const { GoogleAuth } = await import("google-auth-library")
const auth = new GoogleAuth({ scopes: ["https://www.googleapis.com/auth/cloud-platform"] })
const client = await auth.getClient()
const token = await client.getAccessToken()
const headers = new Headers(init?.headers)
headers.set("Authorization", `Bearer ${token.token}`)
return typeof fetchWithRuntimeOptions === "function"
? fetchWithRuntimeOptions(input, { ...init, headers })
: fetch(input, { ...init, headers })
}
}
export const GoogleVertexPlugin = define({
id: "google-vertex",
effect: Effect.fn(function* (ctx) {
yield* ctx.catalog.transform(
Effect.fn(function* (evt) {
for (const item of evt.provider.list()) {
if (item.provider.api.type !== "aisdk") continue
if (
item.provider.api.package !== "@ai-sdk/google-vertex" &&
!(
item.provider.id === ProviderV2.ID.googleVertex &&
item.provider.api.package.includes("@ai-sdk/openai-compatible")
)
)
continue
const project = resolveProject(item.provider.request.body)
const location = String(resolveLocation(item.provider.request.body))
evt.provider.update(item.provider.id, (provider) => {
if (project) provider.request.body.project = project
provider.request.body.location = location
if (provider.api.type === "aisdk" && provider.api.url) {
provider.api.url = replaceVertexVars(provider.api.url, project, location)
}
if (provider.api.type === "aisdk" && provider.api.package.includes("@ai-sdk/openai-compatible")) {
provider.request.body.fetch = authFetch(provider.request.body.fetch)
}
})
}
}),
)
yield* ctx.aisdk.sdk(
Effect.fn(function* (evt) {
if (evt.model.providerID === ProviderV2.ID.googleVertex && evt.package.includes("@ai-sdk/openai-compatible")) {
evt.options.fetch = authFetch(evt.options.fetch)
return
}
if (evt.package !== "@ai-sdk/google-vertex") return
const mod = yield* Effect.promise(() => import("@ai-sdk/google-vertex"))
const project = resolveProject(evt.options)
const location = resolveLocation(evt.options)
const options = { ...evt.options }
delete options.fetch
evt.sdk = mod.createVertex({
...options,
project,
location,
})
}),
)
yield* ctx.aisdk.language(
Effect.fn(function* (evt) {
if (evt.model.providerID !== ProviderV2.ID.googleVertex) return
evt.language = evt.sdk.languageModel(String(evt.model.api.id).trim())
}),
)
}),
})
export const GoogleVertexAnthropicPlugin = define({
id: "google-vertex-anthropic",
effect: Effect.fn(function* (ctx) {
yield* ctx.catalog.transform(
Effect.fn(function* (evt) {
for (const item of evt.provider.list()) {
if (item.provider.api.type !== "aisdk") continue
if (item.provider.api.package !== "@ai-sdk/google-vertex/anthropic") continue
const project =
item.provider.request.body.project ??
process.env.GOOGLE_CLOUD_PROJECT ??
process.env.GCP_PROJECT ??
process.env.GCLOUD_PROJECT
const location =
item.provider.request.body.location ??
process.env.GOOGLE_CLOUD_LOCATION ??
process.env.VERTEX_LOCATION ??
"global"
evt.provider.update(item.provider.id, (provider) => {
if (project) provider.request.body.project = project
provider.request.body.location = location
})
}
}),
)
yield* ctx.aisdk.sdk(
Effect.fn(function* (evt) {
if (evt.package !== "@ai-sdk/google-vertex/anthropic") return
const mod = yield* Effect.promise(() => import("@ai-sdk/google-vertex/anthropic"))
const project =
typeof evt.options.project === "string"
? evt.options.project
: (process.env.GOOGLE_CLOUD_PROJECT ?? process.env.GCP_PROJECT ?? process.env.GCLOUD_PROJECT)
const location =
typeof evt.options.location === "string"
? evt.options.location
: (process.env.GOOGLE_CLOUD_LOCATION ?? process.env.VERTEX_LOCATION ?? "global")
evt.sdk = mod.createVertexAnthropic({
...evt.options,
project,
location,
// Continental multi-regions (eu, us) require Regional Endpoint Platform
// domains; the default {region}-aiplatform.googleapis.com does not resolve.
...((location === "eu" || location === "us") && project && !evt.options.baseURL
? {
baseURL: `https://aiplatform.${location}.rep.googleapis.com/v1/projects/${project}/locations/${location}/publishers/anthropic/models`,
}
: {}),
})
}),
)
yield* ctx.aisdk.language(
Effect.fn(function* (evt) {
if (evt.model.providerID !== ProviderV2.ID.make("google-vertex-anthropic")) return
evt.language = evt.sdk.languageModel(String(evt.model.api.id).trim())
}),
)
}),
})
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