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new Vue({
    el: "#app",
    data: {
        url: "https://user:[email protected]:8080/first?a=1#hash",
        attr: [],
    },
    computed: {
        output() {
            const prop = ["fullpath", "protocol", "username", "password", "host", "port", "pathname", "querystring", "fragment"].map(v => {
                return {
                    key: v,
                    value: '',
                }
            });

            const regex = /^((\w+):)?\/\/((\w+)?(:(\w+))?@)?([^\/\?:]+)(:(\d+))?(\/?([^\/\?#][^\?#]*)?)?(\?([^#]+))?(#(\w*))?/g;
            const res = this.match(regex, this.url);
            if (res.length) {
                const position = [2, 4, 6, 7, 9, 11, 13];
                const arr = [];
                for (let i = 0, len = position.length; i < len; i++) {
                    arr.push(res[position[i]]);
                }
                return prop.map((v,i)=>{
                	v.value = arr[i];
                  return v;
                })
            }
            return prop;
        }
    },
    methods: {
        match(regex, str) {
            let matched = [];
            let m;
            while ((m = regex.exec(str)) !== null) {
                matched = matched.concat(m);
            }
            return matched;
        }
    },
    mounted() {}
})