Encountering TypeScript error while utilizing Vue.mixin in Vue framework

I am currently developing an SSR application using Vue.js.

During my development process, I encountered a TypeScript error while attempting to do this.

Vue.mixin({
    beforeRouteUpdate (to, from, next) {
        const { asyncData } = this.$options
        if (asyncData) {
            asyncData({
                store: this.$store,
                route: to
            }).then(next).catch(next)
        } else {
            next()
        }
    }
})

The specific error message I received was:

Property '$options' does not exist on type 'VueConstructor<Vue> | ComponentOptions<Vue, DefaultData<Vue>, DefaultMethods<Vue>, DefaultComputed, PropsDefinition<Record<string, any>>, Record<string, any>>'.


Property '$store' does not exist on type 'VueConstructor<Vue> | ComponentOptions<Vue, DefaultData<Vue>, DefaultMethods<Vue>, DefaultComputed, PropsDefinition<Record<string, any>>, Record<string, any>>'.

If anyone has advice on how to resolve this error and provide guidance for a newcomer like me in TypeScript, I would greatly appreciate it. Thank you.

typescriptvue.jsserver-side-rendering

Answer №1

If you're looking to achieve a similar outcome, consider the following approach: 

Vue.mixin({
    beforeRouteUpdate ((this as Vue), to, from, next) {
        const vm = this as Vue;
        const { asyncData } = vm.$options
        if (asyncData) {
            asyncData({
                store: vm.$store,
                route: to
            }).then(next).catch(next)
        } else {
            next()
        }
    }
})

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