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models.ts
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132 lines (122 loc) · 3.83 KB
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import { Global } from "../global"
import { Log } from "../util/log"
import path from "path"
import z from "zod"
import { Installation } from "../installation"
import { Flag } from "../flag/flag"
import { lazy } from "@/util/lazy"
import { Filesystem } from "../util/filesystem"
// Try to import bundled snapshot (generated at build time)
// Falls back to undefined in dev mode when snapshot doesn't exist
/* @ts-ignore */
export namespace ModelsDev {
const log = Log.create({ service: "models.dev" })
const filepath = path.join(Global.Path.cache, "models.json")
export const Model = z.object({
id: z.string(),
name: z.string(),
family: z.string().optional(),
release_date: z.string(),
attachment: z.boolean(),
reasoning: z.boolean(),
temperature: z.boolean(),
tool_call: z.boolean(),
interleaved: z
.union([
z.literal(true),
z
.object({
field: z.enum(["reasoning_content", "reasoning_details"]),
})
.strict(),
])
.optional(),
cost: z
.object({
input: z.number(),
output: z.number(),
cache_read: z.number().optional(),
cache_write: z.number().optional(),
context_over_200k: z
.object({
input: z.number(),
output: z.number(),
cache_read: z.number().optional(),
cache_write: z.number().optional(),
})
.optional(),
})
.optional(),
limit: z.object({
context: z.number(),
input: z.number().optional(),
output: z.number(),
}),
modalities: z
.object({
input: z.array(z.enum(["text", "audio", "image", "video", "pdf"])),
output: z.array(z.enum(["text", "audio", "image", "video", "pdf"])),
})
.optional(),
experimental: z.boolean().optional(),
status: z.enum(["alpha", "beta", "deprecated"]).optional(),
options: z.record(z.string(), z.any()),
headers: z.record(z.string(), z.string()).optional(),
provider: z.object({ npm: z.string().optional(), api: z.string().optional() }).optional(),
variants: z.record(z.string(), z.record(z.string(), z.any())).optional(),
})
export type Model = z.infer<typeof Model>
export const Provider = z.object({
api: z.string().optional(),
name: z.string(),
env: z.array(z.string()),
id: z.string(),
npm: z.string().optional(),
models: z.record(z.string(), Model),
})
export type Provider = z.infer<typeof Provider>
function url() {
return Flag.OPENCODE_MODELS_URL || "https://models.dev"
}
export const Data = lazy(async () => {
const result = await Filesystem.readJson(Flag.OPENCODE_MODELS_PATH ?? filepath).catch(() => {})
if (result) return result
// @ts-ignore
const snapshot = await import("./models-snapshot")
.then((m) => m.snapshot as Record<string, unknown>)
.catch(() => undefined)
if (snapshot) return snapshot
if (Flag.OPENCODE_DISABLE_MODELS_FETCH) return {}
const json = await fetch(`${url()}/api.json`).then((x) => x.text())
return JSON.parse(json)
})
export async function get() {
const result = await Data()
return result as Record<string, Provider>
}
export async function refresh() {
const result = await fetch(`${url()}/api.json`, {
headers: {
"User-Agent": Installation.USER_AGENT,
},
signal: AbortSignal.timeout(10 * 1000),
}).catch((e) => {
log.error("Failed to fetch models.dev", {
error: e,
})
})
if (result && result.ok) {
await Filesystem.write(filepath, await result.text())
ModelsDev.Data.reset()
}
}
}
if (!Flag.OPENCODE_DISABLE_MODELS_FETCH && !process.argv.includes("--get-yargs-completions")) {
ModelsDev.refresh()
setInterval(
async () => {
await ModelsDev.refresh()
},
60 * 1000 * 60,
).unref()
}