I was working on implementing Vue middleware and faced an issue while trying to add a custom property to one of my components in Vue. Here's the code snippet:
middleware.js:
import { VueConstructor } from 'vue/types';
function eventPlugin(vue: VueConstructor): void {
const Socket = new someClass();
Object.defineProperties(vue.prototype, {
$socket: {
get: function get() {
return Socket;
},
},
});
vue.$socket = Socket;
}
myComponent.js
const MyComponent = Vue.extend({
name: 'MyComponent',
$socket: {
event(data: any) {
}
},
methods: {
MyMethod() {
}
}
})
app.js
import Vue from 'vue';
import eventPlugin from './middleware.js';
import MyComponent from './myComponent.js'
Vue.use(eventPlugin);
export default new Vue({
render: (h) => h(MyComponent),
}).$mount('#app');
In this code snippet, I was trying to add a custom property called socket. However, upon adding it, TypeScript errors were encountered:
Object literal may only specify known properties, and 'socket' does not exist in type 'ComponentOptions<Vue, DefaultData, DefaultMethods, DefaultComputed, PropsDefinition<Record<string, any>>, Record<...>>'.
Even though I tried defining the property in middleware.js, the error persisted. Any insights on why this error occurred would be greatly appreciated.