Method finish

app/src/core/render/domElement/inputElement.tsx:244–253

(value = textareaElement.value)

        document.body.removeEventListener("wheel", onOutsideWheel);
      };
      const finish = (value = textareaElement.value) => {
        if (isFinished) {
          return;
        }
        isFinished = true;
        resolve(value);
        onChange(value, textareaElement);
        cleanup();
        removeElement();
      };

      textareaElement.addEventListener("blur", () => {
        finish();