Method addBeforeProcessHook

www/js/_hyperscript.js:2876–2878

(fn)

    #beforeProcessHooks = [];
    #afterProcessHooks = [];
    addBeforeProcessHook(fn) {
      this.#beforeProcessHooks.push(fn);
    }
    addAfterProcessHook(fn) {
      this.#afterProcessHooks.push(fn);
    }