import Vue from "vue";

Vue.directive("checkNum", {
  update(el, binding, vNode) {
    if (el.children.length) {
      let val = el.children[0].value;
      let qualifiedNum = val
        .replace(/[^\d.]/g, "")
        .replace(/^\./g, "")
        .replace(/\.{2,}/g, ".")
        .replace(/^0{2,}/g, "0")
        .replace(".", "$#$")
        .replace(/\./g, "")
        .replace("$#$", ".");
      vNode.componentInstance.$emit("input", qualifiedNum);
    }
  },
});