function prepare(lang, engineType) {
            if (lang === "*") {
                if (engineType === "wasm") {
                    engineInstantiator = instantiateWasmEngine;
                } else if (engineType === "asm") {
                    engineInstantiator = instantiateAsmEngine;
                }
                hpb.forEach(function eachHbp(hpbLang) {
                    engineInstantiator(hpbLang);
                });
            } else if (engineInstantiator) {
                engineInstantiator(lang);
            } else {
                hpb.push(lang);
            }
        }
Instantiate hyphenEngines for languages
@param {string} lang The language
@param {string} engineType The engineType: "wasm" or "asm"
@returns {undefined}