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upload to storage with promise (helper) instead of hook (useUploadStorage)

export const uploadFileToStorage = async (
foldName: string,
dataUrl: string
) => {
return new Promise((resolve, reject) => {
const timestamp = Number(new Date())
const fileName = `/documents/${foldName}-${timestamp.toString()}`

const storageRef = firebaseApp.storage().ref(fileName)
const uploadTask = storageRef.putString(dataUrl, 'data_url')
uploadTask.on(
firebaseApp.storage.TaskEvent.STATE_CHANGED,
snapshot => {},
error => {
reject(error.message)
},
() => {
storageRef.getDownloadURL().then(url => {
resolve(url)
})
}
)
})
}



onSubmit={(values, { setSubmitting, resetForm }) => {
setMessage(i18next.t('PROCESSING'))
const copy = { ...values }
await Promise.all(
inputFieldsForAdditionalForm
.filter(field => field.type === 'file')
.map(async field => {
const dataUrl = values[field.name]
const url = await uploadFileToStorage(
'additionalForms',
dataUrl
)
copy[field.name] = url
})
)


 import React, { useEffect, useState } from 'react'

import { firebaseApp } from '../../lib/firebase'

function useUploadStorage(
foldName: string,
dataUrl: string
): [string, boolean, string] {
const [message, setMessage] = useState('')
const [loading, setLoading] = useState(false)
const [sigUrl, setSigUrl] = useState('')

useEffect(() => {
const upload = () => {
const timestamp = Number(new Date())
const fileName = `/documents/${foldName}-${timestamp.toString()}`

const storageRef = firebaseApp.storage().ref(fileName)
const uploadTask = storageRef.putString(dataUrl, 'data_url')
uploadTask.on(
firebaseApp.storage.TaskEvent.STATE_CHANGED,
snapshot => {
setLoading(true)
},
error => {
setMessage(error.message)
},
() => {
storageRef.getDownloadURL().then(url => {
setSigUrl(url)
setMessage('')
setLoading(false)
})
}
)
}

if (dataUrl) upload()
return () => {}
}, [dataUrl, foldName])

return [sigUrl, loading, message]
}

export default useUploadStorage


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