Init native transformation processors

@param {Object=} options the initialization options
@param {Object=} options.js the component js processor init options
@param {string} defaultBabelProcessorName default babel processor name
function initProcessor(options = {}, defaultBabelProcessorName) {
    let {js} = options;

    if (js !== false) {
        initJsProcessor(js, defaultBabelProcessorName);
    }
}