How to use util-promisify - 6 common examples
To help you get started, we’ve selected a few util-promisify examples, based on popular ways it is used in public projects.
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dat-land / dat-desktop / app / actions / dat-middleware.js View on Github 
'use strict'
import Dat from 'dat-node'
import { encode } from 'dat-encoding'
import fs from 'fs'
import { basename, join as joinPath } from 'path'
import { ipcRenderer, shell } from 'electron'
import mkdirp from 'mkdirp-promise'
import mirror from 'mirror-folder'
import promisify from 'util-promisify'
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
const { Notification } = window
async function readJSON (file) {
try {
const blob = await readFile(file, 'utf8')
if (!blob) {
return {}
}
return JSON.parse(blob)
} catch (_) {}
return {}
}
export default class DatMiddleware {
constructor ({ downloadsDir, dataDir }) {
this.downloadsDir = downloadsDirimport { homedir } from 'os'
import { decode, encode } from 'dat-encoding'
import to from 'to2'
import pump from 'pump'
import Swarm from 'chatmesh-db/swarm'
import Mesh from 'chatmesh-db'
import catnames from 'cat-names'
import path from 'path'
import promisify from 'util-promisify'
import fs from 'fs'
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
const mkdir = promisify(fs.mkdir)
var meshes = {}
export const viewMesh = ({addr}) => dispatch => {
var mesh = meshes[addr]
if (mesh) {
dispatch({type: 'VIEW_MESH', addr})
//storeOnDisk()
}
}
export const cancelDeleteMesh = () => ({ type: 'DIALOGS_DELETE_CLOSE' })
export const deleteMesh = addr => ({ type: 'DIALOGS_DELETE_OPEN', addr })
export const confirmDeleteMesh = addr => dispatch => {import { homedir } from 'os'
import { decode, encode } from 'dat-encoding'
import to from 'to2'
import pump from 'pump'
import Swarm from 'chatmesh-db/swarm'
import Mesh from 'chatmesh-db'
import catnames from 'cat-names'
import path from 'path'
import promisify from 'util-promisify'
import fs from 'fs'
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
const mkdir = promisify(fs.mkdir)
var meshes = {}
export const viewMesh = ({addr}) => dispatch => {
var mesh = meshes[addr]
if (mesh) {
dispatch({type: 'VIEW_MESH', addr})
//storeOnDisk()
}
}
export const cancelDeleteMesh = () => ({ type: 'DIALOGS_DELETE_CLOSE' })
export const deleteMesh = addr => ({ type: 'DIALOGS_DELETE_OPEN', addr })
export const confirmDeleteMesh = addr => dispatch => {
const { mesh } = meshes[addr]'use strict'
import { encode } from 'dat-encoding'
import { clipboard, remote, shell } from 'electron'
import fs from 'fs'
import promisify from 'util-promisify'
import path from 'path'
const stat = promisify(fs.stat)
function showOpenDialog (props) {
if (process.env.RUNNING_IN_SPECTRON && process.env.OPEN_RESULT) {
return [path.resolve(__dirname, process.env.OPEN_RESULT)]
}
return remote.dialog.showOpenDialog(props)
}
export const shareDat = key => ({ type: 'DIALOGS_LINK_OPEN', key })
export const copyLink = link => {
clipboard.writeText(link)
return { type: 'DIALOGS_LINK_COPY' }
}
export const closeShareDat = () => ({ type: 'DIALOGS_LINK_CLOSE' })
export const createDat = () => dispatch => {import { homedir } from 'os'
import { decode, encode } from 'dat-encoding'
import to from 'to2'
import pump from 'pump'
import Swarm from 'chatmesh-db/swarm'
import Mesh from 'chatmesh-db'
import catnames from 'cat-names'
import path from 'path'
import promisify from 'util-promisify'
import fs from 'fs'
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
const mkdir = promisify(fs.mkdir)
var meshes = {}
export const viewMesh = ({addr}) => dispatch => {
var mesh = meshes[addr]
if (mesh) {
dispatch({type: 'VIEW_MESH', addr})
//storeOnDisk()
}
}
export const cancelDeleteMesh = () => ({ type: 'DIALOGS_DELETE_CLOSE' })
export const deleteMesh = addr => ({ type: 'DIALOGS_DELETE_OPEN', addr })
export const confirmDeleteMesh = addr => dispatch => {
const { mesh } = meshes[addr]'use strict'
import Dat from 'dat-node'
import { encode } from 'dat-encoding'
import fs from 'fs'
import { basename, join as joinPath } from 'path'
import { ipcRenderer, shell } from 'electron'
import mkdirp from 'mkdirp-promise'
import mirror from 'mirror-folder'
import promisify from 'util-promisify'
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
const { Notification } = window
async function readJSON (file) {
try {
const blob = await readFile(file, 'utf8')
if (!blob) {
return {}
}
return JSON.parse(blob)
} catch (_) {}
return {}
}
export default class DatMiddleware {
constructor ({ downloadsDir, dataDir }) {util-promisify
Node 8's util.promisify, as a node module
