Accessing file with relative path (previous folders) in node.js

Question

I have a folder which holds the JSON file of my Firebase db's, I have a .bat file in Windows which uploads the db's at once. Now I want to duplicate it to MAC.

This is the folder hierarchy:

package-lock.json
node_modules (Folder)
GAME_NAME (Folder)
- config.js
- serviceAccount.json
- Dev (Folder)
  - import_data.js
  - upload.sh -> This file i'm running
  - data (Folder)
    - Data-worldwide.json

When running upload.sh:

#! /bin/bash
node import_data.js

import_data.js:

// Imports
const firestoreService = require('..\..\node_modules\firestore-export-import');
const firebaseConfig = require('..\config.js');
const serviceAccount = require('..\serviceAccount.json');

// JSON To Firestore
const jsonToFirestore = async () => {
  try {
    console.log('Initialzing Firebase');
    await firestoreService.initializeApp(serviceAccount, firebaseConfig.databaseURL);
    console.log('Firebase Initialized');

    await firestoreService.restore('./data/Data-worldwide.json');
    console.log('Upload Success');
  }
  catch (error) {
    console.log(error);
  }
};

jsonToFirestore();

I'm keep getting this error:

xxxxxx@164 Dev % ./upload.sh
internal/modules/cjs/loader.js:651
    throw err;
    ^

Error: Cannot find module '....
ode_modules
           irestore-export-import'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:649:15)
    at Function.Module._load (internal/modules/cjs/loader.js:575:25)
    at Module.require (internal/modules/cjs/loader.js:705:19)
    at require (internal/modules/cjs/helpers.js:14:16)
    at Object.<anonymous> (/Users/xxxx/Dropbox/JSON Databases/GAME_NAME/Dev/import_data.js:2:26)
    at Module._compile (internal/modules/cjs/loader.js:799:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:810:10)
    at Module.load (internal/modules/cjs/loader.js:666:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:606:12)
    at Function.Module._load (internal/modules/cjs/loader.js:598:3)
internal/modules/cjs/loader.js:651
    throw err;
    ^

Error: Cannot find module '....
ode_modules
           irestore-export-import'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:649:15)
    at Function.Module._load (internal/modules/cjs/loader.js:575:25)
    at Module.require (internal/modules/cjs/loader.js:705:19)
    at require (internal/modules/cjs/helpers.js:14:16)
    at Object.<anonymous> (/Users/xxxx/Dropbox/JSON Databases/GAME_NAME/Dev/import_data.js:2:26)
    at Module._compile (internal/modules/cjs/loader.js:799:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:810:10)
    at Module.load (internal/modules/cjs/loader.js:666:32)
    at tryModuleLoad (internal/modules/cjs/loader.js:606:12)
    at Function.Module._load (internal/modules/cjs/loader.js:598:3)

require('firestore-export-import') should be enough. Is the module installed? — Jonas Wilms
– Jonas Wilms, Commented Dec 27, 2020 at 11:50
What do you mean by "installed"? I just copied it from the Windows folder. — ytpm
– ytpm, Commented Dec 27, 2020 at 12:45

Quentin · Accepted Answer · 2020-12-27 11:49:36Z

2

In JavaScript string literals a \ is an escape character.

To have a literal \ in a string you need to escape it: \\ … but Node.js generally uses UNIX-style directory separators (/) and not Windows ones anyway.

answered Dec 27, 2020 at 11:49

Quentin

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