如何分配在所有js文件功能中使用的const？

Question

Im working with

vuex + firebase , so my vuex file has many let db = firebase.firestore()

so i would like to set 'const to all file' db = firebase.firestore()

how can i deal with this?

Answer 1

Where you defined db , you have to export it as follows (ES6):

export const db = firebase.firestore();

Then you will be able to use it in your JS files by simply calling it

import db from 'your path'