我最近决定学习 Vuejs,但我不知道是否有办法一次性加载集合而不是在每个组件上加载。
这是我在 export default
之前对每个组件所做的
由于身份验证,主文件是我第一次加载 firebase 的地方。
import firebase from '../main';
import fb from 'firebase'
let db= ''
if(firebase){
db = firebase.firestore();
}
else{
var config = {
apiKey: process.env.VUE_APP_APIKEY,
authDomain: process.env.VUE_APP_AUTHDOMAIN,
projectId: process.env.VUE_APP_PROJECTID,
storageBucket:process.env.VUE_APP_STORAGEBUCKET,
messagingSenderId: process.env.VUE_APP_MESSAGINGSENDERID,
appId: process.env.VUE_APP_APPID,
measurementId: process.env.VUE_APP_MEASUREMENTID
};
let aux_fb = !fb.apps.length ? fb.initializeApp(config) : fb.app();
db = aux_fb.firestore()
}
main.js
import Vue from 'vue'
import App from './App.vue'
import router from './router';
import fb from "firebase" ;
var config = {
apiKey: process.env.VUE_APP_APIKEY,
authDomain: process.env.VUE_APP_AUTHDOMAIN,
projectId: process.env.VUE_APP_PROJECTID,
storageBucket:process.env.VUE_APP_STORAGEBUCKET,
messagingSenderId: process.env.VUE_APP_MESSAGINGSENDERID,
appId: process.env.VUE_APP_APPID,
measurementId: process.env.VUE_APP_MEASUREMENTID
}
const firebase = !fb.apps.length ? fb.initializeApp(config) : fb.app();
export default firebase;
Vue.config.productionTip = false
let app = '';
firebase.auth().onAuthStateChanged(() => {
if (!app) {
app = new Vue({
router,
render: h => h(App)
}).$mount('#app');
}
});
另外,使用 .env 是否安全?