@llamaindex/env/multi-model/dist/index.edge-light.js

environment wrapper, supports all JS environment including node, deno, bun, edge runtime, and cloudflare worker

let transformer = null;
function getTransformers() {
    return transformer;
}
function setTransformers(t) {
    transformer = t;
}

async function loadTransformers(onLoad) {
    if (getTransformers() === null) {
        /**
     * If you see this warning, it means that the current environment does not support the transformer.
     *  because "@huggingface/transformers" highly depends on Node.js APIs.
     *
     * One possible solution is to fix their implementation to make it work in the non-Node.js environment,
     *  but it's not worth the effort because Edge Runtime and Cloudflare Workers are not the for heavy Machine Learning task.
     *
     * Or you can provide an RPC server that runs the transformer in a Node.js environment.
     * Or you just run the code in a Node.js environment.
     *
     * Refs: https://github.com/huggingface/transformers.js/issues/309
     */ console.warn('"@huggingface/transformers" is not officially supported in this environment, some features may not work as expected.');
        setTransformers(// @ts-expect-error no type
        await import('@huggingface/transformers/dist/transformers.js'));
    } else {
        return getTransformers();
    }
    const transformer = getTransformers();
    onLoad(transformer);
    return transformer;
}

export { loadTransformers, setTransformers };