gorails-episode-184
                                
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                        [Solution] Error Vue.js “Cannot read property 'props' of undefined”
Error:
Uncaught TypeError: Cannot read property 'props' of undefined   
    at normalizeProps (vue.runtime.esm.js?ff9b:1291)   
    at mergeOptions (vue.runtime.esm.js?ff9b:1363)   
    at mergeOptions (vue.runtime.esm.js?ff9b:1372)   
    at Vue$3.Vue._init (vue.runtime.esm.js?ff9b:4268)   
    at new Vue$3 (vue.runtime.esm.js?ff9b:4384)  
    at HTMLDocument.eval (hello_vue.js?94ab:29)     
    at Object.t.dispatch (turbolinks.self-)   
    at r.t.Controller.r.notifyApplicationAfterPageLoad ...)   
    at r.t.Controller.r.pageLoaded (t...)   
    at turbolinks.self...  
Solution:
replace:
mixins: [TurbolinksAdapter]
Do this instead:
Vue.use(VueResource); 
I can do a pull request to fix this.
ref: https://stackoverflow.com/a/46239453/539075