style: fix formatting issues

src/lib/cache.js

@@ -27,7 +27,7 @@ export const cache = (binaryPath, cachePath) => {
           log.info(pkg.name, 'Cached binary to', cachedBinary)
           resolve()
         })
-        .on('error', function(err) {
+        .on('error', function (err) {
           log.error(pkg.name, 'Failed to cache binary:', err)
           reject(err)
         })

src/lib/extensions.js

@@ -288,7 +288,7 @@ function getBinaryPath() {
  * @api public
  */
 function getCachePathCandidates() {
-  return [process.env.npm_config_lnd_binary_cache, process.env.npm_config_cache].filter(function(_) {
+  return [process.env.npm_config_lnd_binary_cache, process.env.npm_config_cache].filter(function (_) {
     return _
   })
 }

src/lib/extract.js

@@ -21,7 +21,7 @@ export const extract = (archive, dest) => {
   const isWindows = support.isWindows(lnd.getBinaryPlatform())
   const stream = fs.createReadStream(archive)
 
-  const moveToDest = cb => {
+  const moveToDest = (cb) => {
     log.info(pkg.name, 'Extracted lnd archive to', archiveDir)
 
     // Make sure the binary is executable.

src/lib/fetch.js

@@ -23,7 +23,7 @@ export const fetch = (url, dest) => {
       },
       downloadoptions,
     ),
-  ).then(response => {
+  ).then((response) => {
     // return a promise and resolve when download finishes
     return new Promise((resolve, reject) => {
       // Pipe the data into a temporary file.
@@ -40,7 +40,7 @@ export const fetch = (url, dest) => {
 
         log.enableProgress()
 
-        response.data.on('data', chunk => progress.completeWork(chunk.length))
+        response.data.on('data', (chunk) => progress.completeWork(chunk.length))
         response.data.on('end', progress.finish)
       }
 
@@ -49,7 +49,7 @@ export const fetch = (url, dest) => {
         resolve(tmpFile)
       })
 
-      response.data.on('error', err => {
+      response.data.on('error', (err) => {
         debug('Download error')
         reject(err)
       })

src/lib/install.js

@@ -62,7 +62,7 @@ export const install = () => {
   }
 
   return cacache.tmp
-    .withTmp(lnd.getTmpDir(), { tmpPrefix: 'lnd-downloads' }, tmpDir => {
+    .withTmp(lnd.getTmpDir(), { tmpPrefix: 'lnd-downloads' }, (tmpDir) => {
       return fetch(binaryUrl, tmpDir)
         .then(verify)
         .then(() => {
@@ -79,5 +79,5 @@ export const install = () => {
       fileName: lnd.getBinaryName(),
       installPath: path.dirname(binaryPath),
     }))
-    .catch(err => log.error(pkg.name, err))
+    .catch((err) => log.error(pkg.name, err))
 }

src/lib/support.js

@@ -8,9 +8,9 @@ const supportedArchs = ['amd64', '386', 'arm']
 const supportedVersions = Object.keys(manifest)
 
 // Check functions
-const isSupportedVersion = version => supportedVersions.indexOf(version) !== -1
-const isSupportedPlatform = platform => supportedPlatforms.indexOf(platform) !== -1
-const isSupportedArch = arch => supportedArchs.indexOf(arch) !== -1
+const isSupportedVersion = (version) => supportedVersions.indexOf(version) !== -1
+const isSupportedPlatform = (platform) => supportedPlatforms.indexOf(platform) !== -1
+const isSupportedArch = (arch) => supportedArchs.indexOf(arch) !== -1
 
 // Is the platform Windows?
 function isWindows(os) {

src/lib/util/downloadoptions.js

@@ -7,7 +7,7 @@ import useragent from './useragent'
  * @return {Object} an options object for request
  * @api private
  */
-export const downloadoptions = function() {
+export const downloadoptions = function () {
   var options = {
     timeout: 60000,
     headers: {

src/lib/util/proxy.js

@@ -13,6 +13,6 @@
  * @return {String} the proxy configured by npm or an empty string
  * @api private
  */
-export const proxy = function() {
+export const proxy = function () {
   return process.env.npm_config_https_proxy || process.env.npm_config_proxy || process.env.npm_config_http_proxy || ''
 }

src/lib/util/useragent.js

@@ -5,6 +5,6 @@ import * as pkg from '../../../package.json'
  *
  * @api private
  */
-export const useragent = function() {
+export const useragent = function () {
   return ['node/', process.version, ' ', 'node-lnd-installer/', pkg.version].join('')
 }

src/lib/verify.js

@@ -9,11 +9,11 @@ import createDebug from 'debug'
 const debug = createDebug(pkg.name)
 
 // Verify the binary archive.
-export const verify = filepath => {
+export const verify = (filepath) => {
   debug('verify: %o', { filepath })
 
   function getKeyByValue(object, value) {
-    return Object.keys(object).find(key => object[key] === value)
+    return Object.keys(object).find((key) => object[key] === value)
   }
 
   const manifestPath = path.join(__dirname, '..', '..', 'config', 'manifest.json')
@@ -35,7 +35,7 @@ export const verify = filepath => {
 
   return hasha
     .fromFile(filepath, { algorithm: 'sha256' })
-    .then(hash => {
+    .then((hash) => {
       debug('Generated hash from downloaded file', hash)
 
       if (checksum === hash) {
@@ -45,7 +45,7 @@ export const verify = filepath => {
       log.error(pkg.name, 'Checksum did not match')
       return Promise.reject(new Error('Checksum did not match'))
     })
-    .catch(err => {
+    .catch((err) => {
       log.error(pkg.name, 'Error verifying checksum of downloaded file', err)
       return Promise.reject(err)
     })