8ea9c133
陈威
初始化提交
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function broadcast(componentName, eventName, params) {
this.$children.forEach((child) => {
var name = child.$options.componentName
if (name === componentName) {
child.$emit.apply(child, [eventName].concat(params))
} else {
broadcast.apply(child, [componentName, eventName].concat([params]))
}
})
}
export default {
methods: {
dispatch(componentName, eventName, params) {
var parent = this.$parent || this.$root
var name = parent.$options.componentName
while (parent && (!name || name !== componentName)) {
parent = parent.$parent
if (parent) {
name = parent.$options.componentName
}
}
if (parent) {
parent.$emit.apply(parent, [eventName].concat(params))
}
},
broadcast(componentName, eventName, params) {
broadcast.call(this, componentName, eventName, params)
},
},
}
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