Upload to Google Cloud Storage

bash.sh

npm install --save google-cloud

# or
# npm install --save @google-cloud/storage

gcs.js

const gcloud = require('google-cloud')
const gcs = gcloud.storage({
    projectId: '<YOUR_PROJECT_ID>',
    keyFilename: '/path/to/key.json'
})
// or
/*
const gcs = require('@google-cloud/storage')({
    projectId: '<YOUR_PROJECT_ID>',
    keyFilename: '/path/to/key.json'
})
*/

const fireBaseBucket = '<YOUR_FILEBASE_PROJECT_ID>.appspot.com'
const bucket = gcs.bucket(fireBaseBucket)

function upload(filePath, fireBaseFolder, fireBaseFileName) {
    return new Promise(function(resolve, reject) {
        const option = {
            destination: `${fireBaseFolder}/${fireBaseFileName}`,
            public: true
        }
        bucket.upload(filePath, option, function(err) {
            if (err) {
                reject(err)
            } else {
                resolve(`http://storage.googleapis.com/${fireBaseBucket}/${fireBaseFolder}/${fireBaseFileName}`)
            }
        })
    })
}

module.exports = {
    upload: upload
}

run.js

const gcs = require('./gcs.js')

gcs.upload('/path/to/image.png', '<STORAGE_FOLDER>', '<FILE_NAME>')
    .then(function(fireBaseURL) {
        console.log(fireBaseURL)
    })
    .catch(function(err) {
        console.log(err)
    })