src/utils/events.js
function broadcast (componentName, eventName, params) {
this.$children.forEach(child => {
var name = child.$options.name
if (name === componentName) {
child.$emit(eventName, params)
} else {
broadcast.call(child, componentName, eventName, params)
}
})
}
export default {
methods: {
dispatch (componentName, eventName, params) {
var parent = this.$parent || this.$root
var name = parent.$options.name
while (parent && (!name || name !== componentName)) {
parent = parent.$parent
if (parent) {
name = parent.$options.name
}
}
if (parent) {
parent.$emit(eventName, params)
}
},
broadcast (componentName, eventName, params) {
broadcast.call(this, componentName, eventName, params)
}
}
}