export default {
  inserted(el, bind, vnode, prevVnode) {
    const input = el.nodeName.toLowerCase() === 'input' ? el : el.getElementsByTagName('input')[0];
    // 改变值过后，需要主动触发input时间，组件绑定的值才会改变
    let triggerBySelf = false;
    if (input) {
      input.addEventListener('input', () => {
        if (triggerBySelf) {
          triggerBySelf = false;
          return;
        }
        const val = input.value.replace(/[^0-9]/gi, '');
        if (val === '') {
          input.value = '';
          return;
        }
        if (bind.expression) {
          try {
            const option = bind.value;
            if (typeof option === 'object') {
              console.log(option);

              // 改变值过后，需要主动触发input时间，组件绑定的值才会改变
              const ev = new Event('input', { bubbles: true });
              input.value = val;
              triggerBySelf = true;
              input.dispatchEvent(ev);
            }
          } catch (err) {
            input.value = val;
            console.error(err);
          }
        }
      });
    }
  }
};