call a function of another component vue

1Vue.component('component1', {
2  methods: {
3    c1method: function(){
4     alert('this is c1method')
5    },
6  }
7})
8Vue.component('component2', {
9  methods: {
10    c2method: function(){
11     component('component1').c1method()//like this
12    },
13  }
14})
15

1    ....
2    mounted() {
3        this.$root.$on('component1', () => {
4            // your code goes here
5            this.c1method()
6        }
7    }
8