clustering-tfjs/dist/tf-loader.node.esm.js

High-performance TypeScript clustering algorithms (K-Means, Spectral, Agglomerative) with TensorFlow.js acceleration and scikit-learn compatibility

/**
 * Node.js-specific TensorFlow.js loader
 *
 * This module attempts to load the best available TensorFlow.js backend
 * for Node.js environments, with automatic fallback.
 */
export async function loadTensorFlow() {
    // Try GPU backend first
    try {
        // Use require.resolve to check if module exists before importing
        require.resolve('@tensorflow/tfjs-node-gpu');
        const tfGpu = await import('@tensorflow/tfjs-node-gpu');
        console.log('Using TensorFlow.js GPU backend');
        return tfGpu;
    }
    catch (gpuError) {
        // GPU backend not available, try CPU backend
        try {
            require.resolve('@tensorflow/tfjs-node');
            const tfNode = await import('@tensorflow/tfjs-node');
            console.log('Using TensorFlow.js Node.js CPU backend');
            return tfNode;
        }
        catch (nodeError) {
            // Neither Node backend available, fall back to pure JS
            try {
                require.resolve('@tensorflow/tfjs');
                const tfJs = await import('@tensorflow/tfjs');
                console.log('Using TensorFlow.js pure JavaScript backend (slower performance)');
                return tfJs;
            }
            catch (jsError) {
                throw new Error('No TensorFlow.js backend available. Please install one of:\n' +
                    '- @tensorflow/tfjs-node-gpu (for GPU acceleration)\n' +
                    '- @tensorflow/tfjs-node (for CPU acceleration)\n' +
                    '- @tensorflow/tfjs (for pure JavaScript fallback)');
            }
        }
    }
}