@earendil-works/pi-ai/dist/api/cloudflare-workers-ai-system-one.js

Unified LLM API with automatic model discovery and provider configuration

import { isRecord } from "./classifier-shared.js";
import { classifySystemOne } from "./system-one-shared.js";
const LABEL = "Cloudflare Workers AI";
function cloudflareErrorMessage(errors) {
    if (Array.isArray(errors)) {
        const messages = errors
            .map((error) => (isRecord(error) && typeof error.message === "string" ? error.message : undefined))
            .filter((message) => message !== undefined);
        if (messages.length > 0)
            return `${LABEL} error: ${messages.join("; ")}`;
    }
    return `${LABEL} request failed`;
}
/**
 * System One models on the Workers AI REST endpoint:
 * `POST /accounts/{account}/ai/run` with `{ model, input }`. The REST API wraps the model
 * output in Cloudflare's API envelope. Third-party models such as `typesafe/jev` add a run record:
 * `{ success, result: { state: "Completed", result: { answers, usage } } }`.
 * https://developers.cloudflare.com/ai/models/typesafe/jev/
 * Cloudflare-hosted models such as `@cf/cloudflare/clef` return the output directly:
 * `{ success, result: { model, answers, usage } }`.
 * https://developers.cloudflare.com/workers-ai/models/clef/
 *
 * Clef models take images as an `images` list of data URLs. TypeSafe's models take them as
 * System One `assets`, without TypeSafe's opt-in header. The catalog sets `compat.imageInput`;
 * the model ID check only covers models without it.
 */
const transport = {
    api: "cloudflare-workers-ai-system-one",
    label: LABEL,
    detectCompat: (model) => ({
        imageInput: model.id.startsWith("@cf/cloudflare/clef") ? "images" : "assets",
        sendImageOptInHeader: false,
    }),
    url: (model) => new URL("run", `${model.baseUrl.replace(/\/+$/u, "")}/`),
    payload: (model, request) => ({ model: model.id, input: request }),
    output: (body) => {
        if (!isRecord(body))
            throw new Error(`${LABEL} returned an unexpected response`);
        if (body.success === false)
            throw new Error(cloudflareErrorMessage(body.errors));
        const result = body.result;
        if (!isRecord(result))
            throw new Error(`${LABEL} returned an unexpected response`);
        if ("answers" in result)
            return result;
        if (result.state !== "Completed") {
            throw new Error(`${LABEL} run did not complete (state: ${String(result.state)})`);
        }
        if (!isRecord(result.result))
            throw new Error(`${LABEL} returned an unexpected response`);
        return result.result;
    },
};
/** Cloudflare Workers AI System One classification with public `bool` values mapped to wire-level `noul`. */
export const classify = (model, context, options) => classifySystemOne(transport, model, context, options);
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