Update standard to the latest version 🚀

package.json

@@ -43,7 +43,7 @@
     "prebuildify-ci": "^1.0.4",
     "readfiletree": "^1.0.0",
     "rimraf": "^2.6.1",
-    "standard": "^12.0.0",
+    "standard": "^13.0.1",
     "tape": "^4.10.0",
     "tempy": "^0.3.0"
   },

test/compression-test.js

@@ -50,7 +50,7 @@ test('compression', function (t) {
       t.error(err)
       each(
         Array.apply(null, Array(multiples)).map(function (e, i) {
-          return [ i, compressableData ]
+          return [i, compressableData]
         }), function (args, callback) {
           db.put.apply(db, args.concat([callback]))
         }, cycle.bind(null, db, true, t, delayed.delayed(verify.bind(null, db.location, true, t), 0.01))
@@ -64,7 +64,7 @@ test('compression', function (t) {
       t.error(err)
       each(
         Array.apply(null, Array(multiples)).map(function (e, i) {
-          return [ i, compressableData ]
+          return [i, compressableData]
         }), function (args, callback) {
           db.put.apply(db, args.concat([callback]))
         }, cycle.bind(null, db, false, t, delayed.delayed(verify.bind(null, db.location, false, t), 0.01))

test/destroy-test.js

@@ -66,7 +66,7 @@ test('test destroy non-existent parent directory', function (t) {
 test('test destroy non leveldb directory', function (t) {
   var tree = {
     foo: 'FOO',
-    bar: { 'one': 'ONE', 'two': 'TWO', 'three': 'THREE' }
+    bar: { one: 'ONE', two: 'TWO', three: 'THREE' }
   }
 
   mkfiletree.makeTemp('destroy-test', tree, function (err, dir) {
@@ -114,7 +114,7 @@ makeTest('test destroy() cleans and removes only leveldb parts of a dir', functi
 
       readfiletree(location, function (err, tree) {
         t.ifError(err, 'no error from readfiletree()')
-        t.deepEqual(tree, { 'foo': 'FOO' }, 'non-leveldb files left intact')
+        t.deepEqual(tree, { foo: 'FOO' }, 'non-leveldb files left intact')
 
         done(null, false)
       })

test/electron.js

@@ -15,7 +15,7 @@ app.on('ready', function () {
   tape.onFinish(() => app.quit())
   tape.onFailure(() => app.exit(1))
 
-  for (let file of glob.sync('test/*-test.js')) {
+  for (const file of glob.sync('test/*-test.js')) {
     require(path.resolve('.', file))
   }
 })

test/iterator-recursion-test.js

@@ -26,8 +26,8 @@ test('try to create an iterator with a blown stack', function (t) {
   // Reducing the stack size down from the default 984 for the child node
   // process makes it easier to trigger the bug condition. But making it too low
   // causes the child process to die for other reasons.
-  var opts = { execArgv: [ '--stack-size=128' ] }
-  var child = fork(path.join(__dirname, 'stack-blower.js'), [ 'run' ], opts)
+  var opts = { execArgv: ['--stack-size=128'] }
+  var child = fork(path.join(__dirname, 'stack-blower.js'), ['run'], opts)
 
   t.plan(2)
 

test/leak-tester-batch.js

@@ -7,7 +7,6 @@ const assert = require('assert')
 
 let writeCount = 0
 let rssBase
-let db
 
 function print () {
   if (writeCount % 100 === 0) {
@@ -24,17 +23,14 @@ function print () {
   }
 }
 
-var run = CHAINED
+const run = CHAINED
   ? function () {
-    var batch = db.batch()
-    var i = 0
-    var key
-    var value
+    const batch = db.batch()
 
-    for (i = 0; i < 100; i++) {
-      key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
+    for (let i = 0; i < 100; i++) {
+      let key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
       if (BUFFERS) key = Buffer.from(key)
-      value = crypto.randomBytes(1024)
+      let value = crypto.randomBytes(1024)
       if (!BUFFERS) value = value.toString('hex')
       batch.put(key, value)
     }
@@ -45,19 +41,15 @@ var run = CHAINED
     })
 
     writeCount++
-
     print()
   }
   : function () {
-    var batch = []
-    var i
-    var key
-    var value
+    const batch = []
 
-    for (i = 0; i < 100; i++) {
-      key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
+    for (let i = 0; i < 100; i++) {
+      let key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
       if (BUFFERS) key = Buffer.from(key)
-      value = crypto.randomBytes(1024)
+      let value = crypto.randomBytes(1024)
       if (!BUFFERS) value = value.toString('hex')
       batch.push({ type: 'put', key: key, value: value })
     }
@@ -68,11 +60,11 @@ var run = CHAINED
     })
 
     writeCount++
-
     print()
   }
 
-db = testCommon.factory()
+const db = testCommon.factory()
+
 db.open(function () {
   rssBase = process.memoryUsage().rss
   run()

test/leak-tester.js

@@ -6,18 +6,17 @@ const crypto = require('crypto')
 let putCount = 0
 let getCount = 0
 let rssBase
-let db
 
 function run () {
-  var key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
+  let key = 'long key to test memory usage ' + String(Math.floor(Math.random() * 10000000))
 
   if (BUFFERS) key = Buffer.from(key)
 
   db.get(key, function (err, value) {
     getCount++
 
     if (err) {
-      var putValue = crypto.randomBytes(1024)
+      let putValue = crypto.randomBytes(1024)
       if (!BUFFERS) putValue = putValue.toString('hex')
 
       return db.put(key, putValue, function () {
@@ -40,7 +39,8 @@ function run () {
   }
 }
 
-db = testCommon.factory()
+const db = testCommon.factory()
+
 db.open(function () {
   rssBase = process.memoryUsage().rss
   run()

test/segfault-test.js

@@ -81,7 +81,7 @@ testPending('compactRange()', 1, function (db, next) {
 
 // Test multiple pending operations, using all of the above.
 testPending('operations', operations.length, function (db, next) {
-  for (let fn of operations.slice(0, -1)) {
+  for (const fn of operations.slice(0, -1)) {
     fn(db, next)
   }
 })