@loaders.gl/gltf/dist/lib/utils/assert.js

Framework-independent loader for the glTF format

// Replacement for the external assert method to reduce bundle size
// Note: We don't use the second "message" argument in calling code,
// so no need to support it here
export function assert(condition, message) {
    if (!condition) {
        throw new Error(message || 'assert failed: gltf');
    }
}