From c07848d78818a264aa270e8647e86b7f880255d9 Mon Sep 17 00:00:00 2001
From: Wes Todd <wtodd@netflix.com>
Date: Tue, 22 Mar 2022 12:26:10 -0500
Subject: [PATCH] fix(devDeps): updated standard & mocha

---
 bin/migrate                                   |  4 +--
 bin/migrate-create                            | 17 +++++------
 bin/migrate-down                              | 24 ++++++++--------
 bin/migrate-init                              | 22 +++++++--------
 bin/migrate-list                              | 24 ++++++++--------
 bin/migrate-up                                | 24 ++++++++--------
 .../cli/migrations/1316027432511-add-pets.js  |  2 +-
 .../cli/migrations/1316027432512-add-jane.js  |  2 +-
 .../migrations/1316027432575-add-owners.js    |  2 +-
 .../migrations/1316027433425-coolest-pet.js   |  2 +-
 examples/cli/migrations/db.js                 |  4 +--
 .../mongo-state-storage.js                    |  2 ++
 examples/env/db.js                            |  4 +--
 examples/migrate.js                           | 10 +++----
 index.js                                      | 12 ++++----
 lib/file-store.js                             |  7 +++--
 lib/load-migrations.js                        | 28 +++++++++----------
 lib/log.js                                    |  2 +-
 lib/migrate.js                                | 16 +++++------
 lib/register-compiler.js                      |  8 +++---
 lib/set.js                                    | 10 +++----
 lib/template-generator.js                     | 26 ++++++++---------
 package.json                                  |  4 +--
 test/basic.js                                 |  8 +++---
 test/cli.js                                   | 22 +++++++--------
 test/file-store.js                            |  8 +++---
 test/fixtures/basic/1-add-guy-ferrets.js      |  2 +-
 test/fixtures/basic/2-add-girl-ferrets.js     |  2 +-
 test/fixtures/basic/3-add-emails.js           |  2 +-
 .../env/migrations/1-add-guy-ferrets.js       |  2 +-
 .../env/migrations/2-add-girl-ferrets.js      |  2 +-
 test/fixtures/issue-33/1-migration.js         |  2 +-
 test/fixtures/issue-33/2-migration.js         |  2 +-
 test/fixtures/issue-33/3-migration.js         |  2 +-
 test/fixtures/numbers/migrations/1-one.js     |  4 +--
 test/fixtures/numbers/migrations/2-two.js     |  2 +-
 test/integration.js                           |  4 +--
 test/issue-33.js                              |  6 ++--
 test/promises.js                              |  6 ++--
 test/util/db.js                               | 13 +++++----
 test/util/run.js                              |  6 ++--
 41 files changed, 178 insertions(+), 173 deletions(-)

diff --git a/bin/migrate b/bin/migrate
index dc0737c..11d2490 100755
--- a/bin/migrate
+++ b/bin/migrate
@@ -2,8 +2,8 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var pkg = require('../package.json')
+const program = require('commander')
+const pkg = require('../package.json')
 
 program
   .version(pkg.version)
diff --git a/bin/migrate-create b/bin/migrate-create
index daeb262..d6bd1e4 100755
--- a/bin/migrate-create
+++ b/bin/migrate-create
@@ -2,12 +2,12 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var path = require('path')
-var dotenv = require('dotenv')
-var log = require('../lib/log')
-var registerCompiler = require('../lib/register-compiler')
-var pkg = require('../package.json')
+const program = require('commander')
+const path = require('path')
+const dotenv = require('dotenv')
+const log = require('../lib/log')
+const registerCompiler = require('../lib/register-compiler')
+const pkg = require('../package.json')
 
 program
   .version(pkg.version)
@@ -30,7 +30,7 @@ if (program.extention) {
 
 // Setup environment
 if (program.env) {
-  var e = dotenv.config({
+  const e = dotenv.config({
     path: typeof program.env === 'string' ? program.env : '.env'
   })
   if (e && e.error instanceof Error) {
@@ -38,6 +38,7 @@ if (program.env) {
   }
 }
 
+// eslint-disable-next-line no-var
 var _name
 function create (name) {
   // Name provided?
@@ -52,7 +53,7 @@ function create (name) {
   }
 
   // Load the template generator
-  var gen
+  let gen
   try {
     gen = require(program.generator)
   } catch (e) {
diff --git a/bin/migrate-down b/bin/migrate-down
index bf57d16..a5d22ec 100755
--- a/bin/migrate-down
+++ b/bin/migrate-down
@@ -2,15 +2,15 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var path = require('path')
-var minimatch = require('minimatch')
-var dotenv = require('dotenv')
-var migrate = require('../')
-var runMigrations = require('../lib/migrate')
-var log = require('../lib/log')
-var registerCompiler = require('../lib/register-compiler')
-var pkg = require('../package.json')
+const program = require('commander')
+const path = require('path')
+const minimatch = require('minimatch')
+const dotenv = require('dotenv')
+const migrate = require('../')
+const runMigrations = require('../lib/migrate')
+const log = require('../lib/log')
+const registerCompiler = require('../lib/register-compiler')
+const pkg = require('../package.json')
 
 program
   .version(pkg.version)
@@ -30,7 +30,7 @@ process.chdir(program.chdir)
 
 // Setup environment
 if (program.env) {
-  var e = dotenv.config({
+  const e = dotenv.config({
     path: typeof program.env === 'string' ? program.env : '.env'
   })
   if (e && e.error instanceof Error) {
@@ -46,8 +46,8 @@ if (program.compiler) {
 // Setup store
 if (program.store[0] === '.') program.store = path.join(process.cwd(), program.store)
 
-var Store = require(program.store)
-var store = new Store(program.stateFile)
+const Store = require(program.store)
+const store = new Store(program.stateFile)
 
 // Load in migrations
 migrate.load({
diff --git a/bin/migrate-init b/bin/migrate-init
index b67d41a..94884f8 100755
--- a/bin/migrate-init
+++ b/bin/migrate-init
@@ -2,13 +2,13 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var mkdirp = require('mkdirp')
-var dotenv = require('dotenv')
-var path = require('path')
-var log = require('../lib/log')
-var pkg = require('../package.json')
-var registerCompiler = require('../lib/register-compiler')
+const program = require('commander')
+const mkdirp = require('mkdirp')
+const dotenv = require('dotenv')
+const path = require('path')
+const log = require('../lib/log')
+const pkg = require('../package.json')
+const registerCompiler = require('../lib/register-compiler')
 
 program
   .version(pkg.version)
@@ -25,7 +25,7 @@ process.chdir(program.chdir)
 
 // Setup environment
 if (program.env) {
-  var e = dotenv.config({
+  const e = dotenv.config({
     path: typeof program.env === 'string' ? program.env : '.env'
   })
   if (e && e.error instanceof Error) {
@@ -41,11 +41,11 @@ if (program.compiler) {
 // Setup store
 if (program.store[0] === '.') program.store = path.join(process.cwd(), program.store)
 
-var Store = require(program.store)
-var store = new Store(program.stateFile)
+const Store = require(program.store)
+const store = new Store(program.stateFile)
 
 // Create migrations dir path
-var p = path.resolve(process.cwd(), program.migrationsDir)
+const p = path.resolve(process.cwd(), program.migrationsDir)
 
 log('migrations dir', p)
 mkdirp.sync(p)
diff --git a/bin/migrate-list b/bin/migrate-list
index 5144aec..7c48db8 100755
--- a/bin/migrate-list
+++ b/bin/migrate-list
@@ -2,15 +2,15 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var path = require('path')
-var dateFormat = require('dateformat')
-var minimatch = require('minimatch')
-var dotenv = require('dotenv')
-var migrate = require('../')
-var log = require('../lib/log')
-var registerCompiler = require('../lib/register-compiler')
-var pkg = require('../package.json')
+const program = require('commander')
+const path = require('path')
+const dateFormat = require('dateformat')
+const minimatch = require('minimatch')
+const dotenv = require('dotenv')
+const migrate = require('../')
+const log = require('../lib/log')
+const registerCompiler = require('../lib/register-compiler')
+const pkg = require('../package.json')
 
 program
   .version(pkg.version)
@@ -36,7 +36,7 @@ process.chdir(program.chdir)
 
 // Setup environment
 if (program.env) {
-  var e = dotenv.config({
+  const e = dotenv.config({
     path: typeof program.env === 'string' ? program.env : '.env'
   })
   if (e && e.error instanceof Error) {
@@ -52,8 +52,8 @@ if (program.compiler) {
 // Setup store
 if (program.store[0] === '.') program.store = path.join(process.cwd(), program.store)
 
-var Store = require(program.store)
-var store = new Store(program.stateFile)
+const Store = require(program.store)
+const store = new Store(program.stateFile)
 
 // Load in migrations
 migrate.load({
diff --git a/bin/migrate-up b/bin/migrate-up
index f257a3a..a3ceb84 100755
--- a/bin/migrate-up
+++ b/bin/migrate-up
@@ -2,15 +2,15 @@
 // vim: set ft=javascript:
 'use strict'
 
-var program = require('commander')
-var path = require('path')
-var minimatch = require('minimatch')
-var dotenv = require('dotenv')
-var migrate = require('../')
-var runMigrations = require('../lib/migrate')
-var log = require('../lib/log')
-var registerCompiler = require('../lib/register-compiler')
-var pkg = require('../package.json')
+const program = require('commander')
+const path = require('path')
+const minimatch = require('minimatch')
+const dotenv = require('dotenv')
+const migrate = require('../')
+const runMigrations = require('../lib/migrate')
+const log = require('../lib/log')
+const registerCompiler = require('../lib/register-compiler')
+const pkg = require('../package.json')
 
 program
   .version(pkg.version)
@@ -32,7 +32,7 @@ process.chdir(program.chdir)
 
 // Setup environment
 if (program.env) {
-  var e = dotenv.config({
+  const e = dotenv.config({
     path: typeof program.env === 'string' ? program.env : '.env'
   })
   if (e && e.error instanceof Error) {
@@ -60,8 +60,8 @@ if (program.compiler) {
 // Setup store
 if (program.store[0] === '.') program.store = path.join(process.cwd(), program.store)
 
-var Store = require(program.store)
-var store = new Store(program.stateFile)
+const Store = require(program.store)
+const store = new Store(program.stateFile)
 
 // Call store init
 if (program.init && typeof store.init === 'function') {
diff --git a/examples/cli/migrations/1316027432511-add-pets.js b/examples/cli/migrations/1316027432511-add-pets.js
index 2e550ad..5ec835c 100644
--- a/examples/cli/migrations/1316027432511-add-pets.js
+++ b/examples/cli/migrations/1316027432511-add-pets.js
@@ -1,5 +1,5 @@
 
-var db = require('./db')
+const db = require('./db')
 
 exports.up = function (next) {
   db.rpush('pets', 'tobi')
diff --git a/examples/cli/migrations/1316027432512-add-jane.js b/examples/cli/migrations/1316027432512-add-jane.js
index 8de2648..fdf1e2d 100644
--- a/examples/cli/migrations/1316027432512-add-jane.js
+++ b/examples/cli/migrations/1316027432512-add-jane.js
@@ -1,5 +1,5 @@
 
-var db = require('./db')
+const db = require('./db')
 
 exports.up = function (next) {
   db.rpush('pets', 'jane', next)
diff --git a/examples/cli/migrations/1316027432575-add-owners.js b/examples/cli/migrations/1316027432575-add-owners.js
index 6eb6282..b140ecf 100644
--- a/examples/cli/migrations/1316027432575-add-owners.js
+++ b/examples/cli/migrations/1316027432575-add-owners.js
@@ -1,5 +1,5 @@
 
-var db = require('./db')
+const db = require('./db')
 
 exports.up = function (next) {
   db.rpush('owners', 'taylor')
diff --git a/examples/cli/migrations/1316027433425-coolest-pet.js b/examples/cli/migrations/1316027433425-coolest-pet.js
index e5c0242..41b36a7 100644
--- a/examples/cli/migrations/1316027433425-coolest-pet.js
+++ b/examples/cli/migrations/1316027433425-coolest-pet.js
@@ -1,5 +1,5 @@
 
-var db = require('./db')
+const db = require('./db')
 
 exports.up = function (next) {
   db.set('pets:coolest', 'tobi', next)
diff --git a/examples/cli/migrations/db.js b/examples/cli/migrations/db.js
index fa9fc94..7d4535a 100644
--- a/examples/cli/migrations/db.js
+++ b/examples/cli/migrations/db.js
@@ -4,7 +4,7 @@
 // $ npm install redis
 // $ redis-server
 
-var redis = require('redis')
-var db = redis.createClient()
+const redis = require('redis')
+const db = redis.createClient()
 
 module.exports = db
diff --git a/examples/custom-state-storage/mongo-state-storage.js b/examples/custom-state-storage/mongo-state-storage.js
index c5fe24d..0ef3df3 100644
--- a/examples/custom-state-storage/mongo-state-storage.js
+++ b/examples/custom-state-storage/mongo-state-storage.js
@@ -16,6 +16,7 @@ class MongoDbStore {
         return fn(null, {})
       }
     } catch (err) {
+      console.log(err)
       throw err
     } finally {
       client.close()
@@ -39,6 +40,7 @@ class MongoDbStore {
           }
         }, { upsert: true })
     } catch (err) {
+      console.log(err)
       throw err
     } finally {
       client.close()
diff --git a/examples/env/db.js b/examples/env/db.js
index b151444..3138ed5 100644
--- a/examples/env/db.js
+++ b/examples/env/db.js
@@ -1,5 +1,5 @@
 'use strict'
-var fs = require('fs')
+const fs = require('fs')
 
 module.exports = {
   loaded: false,
@@ -25,7 +25,7 @@ module.exports = {
   },
   load: function () {
     if (this.loaded) return this
-    var json
+    let json
     try {
       json = JSON.parse(fs.readFileSync('.db', 'utf8'))
     } catch (e) {
diff --git a/examples/migrate.js b/examples/migrate.js
index c6a56eb..fd80231 100644
--- a/examples/migrate.js
+++ b/examples/migrate.js
@@ -4,10 +4,10 @@
 // $ npm install redis
 // $ redis-server
 
-var path = require('path')
-var migrate = require('../')
-var redis = require('redis')
-var db = redis.createClient()
+const path = require('path')
+const migrate = require('../')
+const redis = require('redis')
+const db = redis.createClient()
 
 migrate(path.join(__dirname, '.migrate'))
 
@@ -39,7 +39,7 @@ migrate('coolest pet', function (next) {
   db.del('pets:coolest', next)
 })
 
-var set = migrate()
+const set = migrate()
 
 console.log()
 set.on('save', function () {
diff --git a/index.js b/index.js
index b6a9a24..1219ef1 100644
--- a/index.js
+++ b/index.js
@@ -10,9 +10,9 @@
  * Module dependencies.
  */
 
-var MigrationSet = require('./lib/set')
-var FileStore = require('./lib/file-store')
-var loadMigrationsIntoSet = require('./lib/load-migrations')
+const MigrationSet = require('./lib/set')
+const FileStore = require('./lib/file-store')
+const loadMigrationsIntoSet = require('./lib/load-migrations')
 
 /**
  * Expose the migrate function.
@@ -42,13 +42,13 @@ function migrate (title, up, down) {
 exports.MigrationSet = MigrationSet
 
 exports.load = function (options, fn) {
-  var opts = options || {}
+  const opts = options || {}
 
   // Create default store
-  var store = (typeof opts.stateStore === 'string') ? new FileStore(opts.stateStore) : opts.stateStore
+  const store = (typeof opts.stateStore === 'string') ? new FileStore(opts.stateStore) : opts.stateStore
 
   // Create migration set
-  var set = new MigrationSet(store)
+  const set = new MigrationSet(store)
 
   loadMigrationsIntoSet({
     set: set,
diff --git a/lib/file-store.js b/lib/file-store.js
index 6915b6c..71d4203 100644
--- a/lib/file-store.js
+++ b/lib/file-store.js
@@ -1,6 +1,7 @@
 'use strict'
 
-var fs = require('fs')
+const fs = require('fs')
+const hasOwnProperty = Object.prototype.hasOwnProperty
 
 module.exports = FileStore
 
@@ -44,7 +45,7 @@ FileStore.prototype.load = function (fn) {
     }
 
     // Check if old format and convert if needed
-    if (!store.hasOwnProperty('lastRun') && store.hasOwnProperty('pos')) {
+    if (!hasOwnProperty.call(store, 'lastRun') && hasOwnProperty.call(store, 'pos')) {
       if (store.pos === 0) {
         store.lastRun = null
       } else {
@@ -64,7 +65,7 @@ FileStore.prototype.load = function (fn) {
     }
 
     // Check if does not have required properties
-    if (!store.hasOwnProperty('lastRun') || !store.hasOwnProperty('migrations')) {
+    if (!hasOwnProperty.call(store, 'lastRun') || !hasOwnProperty.call(store, 'migrations')) {
       return fn(new Error('Invalid store file'))
     }
 
diff --git a/lib/load-migrations.js b/lib/load-migrations.js
index 9222d64..0328fe8 100644
--- a/lib/load-migrations.js
+++ b/lib/load-migrations.js
@@ -1,23 +1,23 @@
 'use strict'
 
-var path = require('path')
-var fs = require('fs')
-var Migration = require('./migration')
+const path = require('path')
+const fs = require('fs')
+const Migration = require('./migration')
 
 module.exports = loadMigrationsIntoSet
 
 function loadMigrationsIntoSet (options, fn) {
   // Process options, set and store are required, rest optional
-  var opts = options || {}
+  const opts = options || {}
   if (!opts.set || !opts.store) {
     throw new TypeError((opts.set ? 'store' : 'set') + ' is required for loading migrations')
   }
-  var set = opts.set
-  var store = opts.store
-  var ignoreMissing = !!opts.ignoreMissing
-  var migrationsDirectory = path.resolve(opts.migrationsDirectory || 'migrations')
-  var filterFn = opts.filterFunction || (() => true)
-  var sortFn = opts.sortFunction || function (m1, m2) {
+  const set = opts.set
+  const store = opts.store
+  const ignoreMissing = !!opts.ignoreMissing
+  const migrationsDirectory = path.resolve(opts.migrationsDirectory || 'migrations')
+  const filterFn = opts.filterFunction || (() => true)
+  const sortFn = opts.sortFunction || function (m1, m2) {
     return m1.title > m2.title ? 1 : (m1.title < m2.title ? -1 : 0)
   }
 
@@ -36,17 +36,17 @@ function loadMigrationsIntoSet (options, fn) {
       files = files.filter(filterFn)
 
       // Create migrations, keep a lookup map for the next step
-      var migMap = {}
-      var migrations = files.map(function (file) {
+      const migMap = {}
+      let migrations = files.map(function (file) {
         // Try to load the migrations file
-        var mod
+        let mod
         try {
           mod = require(path.join(migrationsDirectory, file))
         } catch (e) {
           return fn(e)
         }
 
-        var migration = new Migration(file, mod.up, mod.down, mod.description)
+        const migration = new Migration(file, mod.up, mod.down, mod.description)
         migMap[file] = migration
         return migration
       })
diff --git a/lib/log.js b/lib/log.js
index a86fe59..53dbb1f 100644
--- a/lib/log.js
+++ b/lib/log.js
@@ -1,5 +1,5 @@
 'use strict'
-var chalk = require('chalk')
+const chalk = require('chalk')
 
 module.exports = function log (key, msg) {
   console.log('  ' + chalk.grey(key) + ' : ' + chalk.cyan(msg))
diff --git a/lib/migrate.js b/lib/migrate.js
index 6fbd190..1fc776b 100644
--- a/lib/migrate.js
+++ b/lib/migrate.js
@@ -3,9 +3,9 @@
 module.exports = migrate
 
 function migrate (set, direction, migrationName, fn) {
-  var migrations = []
-  var lastRunIndex
-  var toIndex
+  let migrations = []
+  let lastRunIndex
+  let toIndex
 
   if (!migrationName) {
     toIndex = direction === 'up' ? set.migrations.length : 0
@@ -27,12 +27,12 @@ function migrate (set, direction, migrationName, fn) {
     }
 
     // Status for supporting promises and callbacks
-    var isPromise = false
+    let isPromise = false
 
     // Run the migration function
     set.emit('migration', migration, direction)
-    var arity = migration[direction].length
-    var returnValue = migration[direction](function (err) {
+    const arity = migration[direction].length
+    const returnValue = migration[direction](function (err) {
       if (isPromise) return set.emit('warning', 'if your migration returns a promise, do not call the done callback')
       completeMigration(err)
     })
@@ -115,8 +115,8 @@ function downMigrations (set, lastRunIndex, toIndex) {
  */
 
 function positionOfMigration (migrations, title) {
-  var lastTimestamp
-  for (var i = 0; i < migrations.length; ++i) {
+  let lastTimestamp
+  for (let i = 0; i < migrations.length; ++i) {
     lastTimestamp = migrations[i].timestamp ? i : lastTimestamp
     if (migrations[i].title === title) return i
   }
diff --git a/lib/register-compiler.js b/lib/register-compiler.js
index 8294383..a678bca 100644
--- a/lib/register-compiler.js
+++ b/lib/register-compiler.js
@@ -1,12 +1,12 @@
 'use strict'
-var path = require('path')
+const path = require('path')
 
 module.exports = registerCompiler
 
 function registerCompiler (c) {
-  var compiler = c.split(':')
-  var ext = compiler[0]
-  var mod = compiler[1]
+  const compiler = c.split(':')
+  const ext = compiler[0]
+  let mod = compiler[1]
 
   if (mod[0] === '.') mod = path.join(process.cwd(), mod)
   require(mod)({
diff --git a/lib/set.js b/lib/set.js
index 4c8c3cc..eae8782 100644
--- a/lib/set.js
+++ b/lib/set.js
@@ -10,10 +10,10 @@
  * Module dependencies.
  */
 
-var EventEmitter = require('events')
-var Migration = require('./migration')
-var migrate = require('./migrate')
-var inherits = require('inherits')
+const EventEmitter = require('events')
+const Migration = require('./migration')
+const migrate = require('./migrate')
+const inherits = require('inherits')
 
 /**
  * Expose `Set`.
@@ -52,7 +52,7 @@ inherits(MigrationSet, EventEmitter)
  */
 
 MigrationSet.prototype.addMigration = function (title, up, down) {
-  var migration
+  let migration
   if (!(title instanceof Migration)) {
     migration = new Migration(title, up, down)
   } else {
diff --git a/lib/template-generator.js b/lib/template-generator.js
index 42c49d6..2978ded 100644
--- a/lib/template-generator.js
+++ b/lib/template-generator.js
@@ -1,18 +1,18 @@
 'use strict'
-var path = require('path')
-var fs = require('fs')
-var slug = require('slug')
-var formatDate = require('dateformat')
-var mkdirp = require('mkdirp')
+const path = require('path')
+const fs = require('fs')
+const slug = require('slug')
+const formatDate = require('dateformat')
+const mkdirp = require('mkdirp')
 
 module.exports = function templateGenerator (opts, cb) {
   // Setup default options
   opts = opts || {}
-  var name = opts.name
-  var dateFormat = opts.dateFormat
-  var templateFile = opts.templateFile || path.join(__dirname, 'template.js')
-  var migrationsDirectory = opts.migrationsDirectory || 'migrations'
-  var extension = opts.extension
+  const name = opts.name
+  const dateFormat = opts.dateFormat
+  const templateFile = opts.templateFile || path.join(__dirname, 'template.js')
+  const migrationsDirectory = opts.migrationsDirectory || 'migrations'
+  const extension = opts.extension
 
   loadTemplate(templateFile, function (err, template) {
     if (err) return cb(err)
@@ -22,10 +22,10 @@ module.exports = function templateGenerator (opts, cb) {
       if (err) return cb(err)
 
       // Create date string
-      var formattedDate = dateFormat ? formatDate(new Date(), dateFormat) : Date.now()
+      const formattedDate = dateFormat ? formatDate(new Date(), dateFormat) : Date.now()
 
       // Fix up file path
-      var p = path.join(path.resolve(migrationsDirectory), slug(formattedDate + (name ? '-' + name : '')) + extension)
+      const p = path.join(path.resolve(migrationsDirectory), slug(formattedDate + (name ? '-' + name : '')) + extension)
 
       // Write the template file
       fs.writeFile(p, template, function (err) {
@@ -36,7 +36,7 @@ module.exports = function templateGenerator (opts, cb) {
   })
 }
 
-var _templateCache = {}
+const _templateCache = {}
 function loadTemplate (tmpl, cb) {
   if (_templateCache[tmpl]) {
     return cb(null, _templateCache)
diff --git a/package.json b/package.json
index 99b920f..f2d40bf 100644
--- a/package.json
+++ b/package.json
@@ -17,9 +17,9 @@
     "migrate-down": "./bin/migrate-down"
   },
   "devDependencies": {
-    "mocha": "^5.2.0",
+    "mocha": "^9.2.2",
     "rimraf": "^2.6.2",
-    "standard": "^12.0.1"
+    "standard": "^16.0.4"
   },
   "main": "index",
   "engines": {
diff --git a/test/basic.js b/test/basic.js
index 95af562..f69616e 100644
--- a/test/basic.js
+++ b/test/basic.js
@@ -10,7 +10,7 @@ const BASE = path.join(__dirname, 'fixtures', 'basic')
 const STATE = path.join(BASE, '.migrate')
 
 describe('migration set', function () {
-  var set
+  let set
 
   function assertNoPets () {
     assert.strictEqual(db.pets.length, 0)
@@ -130,9 +130,9 @@ describe('migration set', function () {
       }
     )
 
-    var saved = 0
-    var migrations = []
-    var expectedMigrations = [
+    let saved = 0
+    let migrations = []
+    let expectedMigrations = [
       '1-add-guy-ferrets.js',
       '2-add-girl-ferrets.js',
       '3-add-emails.js',
diff --git a/test/cli.js b/test/cli.js
index 3d70a99..8466fcd 100644
--- a/test/cli.js
+++ b/test/cli.js
@@ -57,8 +57,8 @@ describe('$ migrate', function () {
       create(['test'], function (err, out, code) {
         assert(!err)
         assert.strictEqual(code, 0)
-        var file = out.split(':')[1].trim()
-        var content = fs.readFileSync(file, {
+        const file = out.split(':')[1].trim()
+        const content = fs.readFileSync(file, {
           encoding: 'utf8'
         })
         assert(content)
@@ -69,9 +69,9 @@ describe('$ migrate', function () {
     })
 
     it('should respect the --date-format', function (done) {
-      var name = 'test'
-      var fmt = 'yyyy-mm-dd'
-      var now = formatDate(new Date(), fmt)
+      const name = 'test'
+      const fmt = 'yyyy-mm-dd'
+      const now = formatDate(new Date(), fmt)
 
       create([name, '-d', fmt], function (err, out, code) {
         assert(!err)
@@ -84,10 +84,10 @@ describe('$ migrate', function () {
     })
 
     it('should respect the --extension', function (done) {
-      var name = 'test'
-      var fmt = 'yyyy-mm-dd'
-      var ext = '.mjs'
-      var now = formatDate(new Date(), fmt)
+      const name = 'test'
+      const fmt = 'yyyy-mm-dd'
+      const ext = '.mjs'
+      const now = formatDate(new Date(), fmt)
 
       create([name, '-d', fmt, '-e', ext], function (err, out, code) {
         assert(!err)
@@ -120,8 +120,8 @@ describe('$ migrate', function () {
         assert(!err)
         assert.strictEqual(code, 0, out)
         assert(out.indexOf('create') !== -1)
-        var file = out.split(':')[1].trim()
-        var content = fs.readFileSync(file, {
+        const file = out.split(':')[1].trim()
+        const content = fs.readFileSync(file, {
           encoding: 'utf8'
         })
         assert(content.indexOf('test') !== -1)
diff --git a/test/file-store.js b/test/file-store.js
index 6049ffd..55e383f 100644
--- a/test/file-store.js
+++ b/test/file-store.js
@@ -12,7 +12,7 @@ const INVALID_STORE_FILE = path.join(BASE, 'invalid-store')
 
 describe('FileStore tests', function () {
   it('should load store file', function (done) {
-    let store = new FileStore(MODERN_STORE_FILE)
+    const store = new FileStore(MODERN_STORE_FILE)
     store.load(function (err, store) {
       if (err) {
         return done(err)
@@ -26,7 +26,7 @@ describe('FileStore tests', function () {
   })
 
   it('should convert pre-v1 store file format', function (done) {
-    let store = new FileStore(OLD_STORE_FILE)
+    const store = new FileStore(OLD_STORE_FILE)
     store.load(function (err, store) {
       if (err) {
         return done(err)
@@ -45,7 +45,7 @@ describe('FileStore tests', function () {
   })
 
   it('should error with invalid store file format', function (done) {
-    let store = new FileStore(BAD_STORE_FILE)
+    const store = new FileStore(BAD_STORE_FILE)
     store.load(function (err, store) {
       if (!err) {
         return done(new Error('Error expected'))
@@ -58,7 +58,7 @@ describe('FileStore tests', function () {
   })
 
   it('should error with invalid pos', function (done) {
-    let store = new FileStore(INVALID_STORE_FILE)
+    const store = new FileStore(INVALID_STORE_FILE)
     store.load(function (err, store) {
       if (!err) {
         return done(new Error('Error expected'))
diff --git a/test/fixtures/basic/1-add-guy-ferrets.js b/test/fixtures/basic/1-add-guy-ferrets.js
index d328485..9960bee 100644
--- a/test/fixtures/basic/1-add-guy-ferrets.js
+++ b/test/fixtures/basic/1-add-guy-ferrets.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.description = 'Adds two pets'
 
diff --git a/test/fixtures/basic/2-add-girl-ferrets.js b/test/fixtures/basic/2-add-girl-ferrets.js
index a096e31..1fd00ca 100644
--- a/test/fixtures/basic/2-add-girl-ferrets.js
+++ b/test/fixtures/basic/2-add-girl-ferrets.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.up = function (next) {
   db.pets.push({ name: 'jane' })
diff --git a/test/fixtures/basic/3-add-emails.js b/test/fixtures/basic/3-add-emails.js
index 4e89607..1fd41a4 100644
--- a/test/fixtures/basic/3-add-emails.js
+++ b/test/fixtures/basic/3-add-emails.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.up = function (next) {
   db.pets.forEach(function (pet) {
diff --git a/test/fixtures/env/migrations/1-add-guy-ferrets.js b/test/fixtures/env/migrations/1-add-guy-ferrets.js
index 5c8ad08..2e04b0a 100755
--- a/test/fixtures/env/migrations/1-add-guy-ferrets.js
+++ b/test/fixtures/env/migrations/1-add-guy-ferrets.js
@@ -1,4 +1,4 @@
-var db = require('../../../util/db')
+const db = require('../../../util/db')
 
 exports.up = function (next) {
   db[process.env.DB].push({ name: 'tobi' })
diff --git a/test/fixtures/env/migrations/2-add-girl-ferrets.js b/test/fixtures/env/migrations/2-add-girl-ferrets.js
index ff78cfb..74c9226 100755
--- a/test/fixtures/env/migrations/2-add-girl-ferrets.js
+++ b/test/fixtures/env/migrations/2-add-girl-ferrets.js
@@ -1,4 +1,4 @@
-var db = require('../../../util/db')
+const db = require('../../../util/db')
 
 exports.up = function (next) {
   db[process.env.DB].push({ name: 'jane' })
diff --git a/test/fixtures/issue-33/1-migration.js b/test/fixtures/issue-33/1-migration.js
index 6d866d3..94ff328 100644
--- a/test/fixtures/issue-33/1-migration.js
+++ b/test/fixtures/issue-33/1-migration.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.up = function (next) {
   db.issue33.push('1-up')
diff --git a/test/fixtures/issue-33/2-migration.js b/test/fixtures/issue-33/2-migration.js
index 159c3d5..770d849 100644
--- a/test/fixtures/issue-33/2-migration.js
+++ b/test/fixtures/issue-33/2-migration.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.up = function (next) {
   db.issue33.push('2-up')
diff --git a/test/fixtures/issue-33/3-migration.js b/test/fixtures/issue-33/3-migration.js
index b94ad4c..91beab6 100644
--- a/test/fixtures/issue-33/3-migration.js
+++ b/test/fixtures/issue-33/3-migration.js
@@ -1,5 +1,5 @@
 
-var db = require('../../util/db')
+const db = require('../../util/db')
 
 exports.up = function (next) {
   db.issue33.push('3-up')
diff --git a/test/fixtures/numbers/migrations/1-one.js b/test/fixtures/numbers/migrations/1-one.js
index 57ff81d..62b24e3 100755
--- a/test/fixtures/numbers/migrations/1-one.js
+++ b/test/fixtures/numbers/migrations/1-one.js
@@ -1,5 +1,5 @@
-var assert = require('assert')
-var db = require('../../../util/db')
+const assert = require('assert')
+const db = require('../../../util/db')
 
 exports.up = function (next) {
   db.load()
diff --git a/test/fixtures/numbers/migrations/2-two.js b/test/fixtures/numbers/migrations/2-two.js
index 6ce9d49..826ed88 100755
--- a/test/fixtures/numbers/migrations/2-two.js
+++ b/test/fixtures/numbers/migrations/2-two.js
@@ -1,4 +1,4 @@
-var db = require('../../../util/db')
+const db = require('../../../util/db')
 
 exports.up = function (next) {
   db.load()
diff --git a/test/integration.js b/test/integration.js
index b0c4eac..f0d0bf0 100644
--- a/test/integration.js
+++ b/test/integration.js
@@ -75,7 +75,7 @@ describe('integration tests', function () {
           assert.strictEqual(code, 0)
 
           // Keep migration filename to remove
-          var filename = out.split(' : ')[1].trim()
+          const filename = out.split(' : ')[1].trim()
 
           run.up(TMP_DIR, [], function (err, out, code) {
             assert(!err)
@@ -115,7 +115,7 @@ describe('integration tests', function () {
           assert.strictEqual(code, 0)
 
           // Keep migration filename to remove
-          var filename = out.split(' : ')[1].trim()
+          const filename = out.split(' : ')[1].trim()
 
           run.up(TMP_DIR, [], function (err, out, code) {
             assert(!err)
diff --git a/test/issue-33.js b/test/issue-33.js
index 1b42732..f69cc70 100644
--- a/test/issue-33.js
+++ b/test/issue-33.js
@@ -9,11 +9,11 @@ const db = require('./util/db')
 const BASE = path.join(__dirname, 'fixtures', 'issue-33')
 const STATE = path.join(BASE, '.migrate')
 
-var A1 = ['1-up', '2-up', '3-up']
-var A2 = A1.concat(['3-down', '2-down', '1-down'])
+const A1 = ['1-up', '2-up', '3-up']
+const A2 = A1.concat(['3-down', '2-down', '1-down'])
 
 describe('issue #33', function () {
-  var set
+  let set
 
   beforeEach(function (done) {
     migrate.load({
diff --git a/test/promises.js b/test/promises.js
index 81219ab..bb687ef 100644
--- a/test/promises.js
+++ b/test/promises.js
@@ -9,7 +9,7 @@ const BASE = path.join(__dirname, 'fixtures', 'promises')
 const STATE = path.join(__dirname, 'fixtures', '.migrate')
 
 describe('Promise migrations', function () {
-  var set
+  let set
 
   beforeEach(function (done) {
     migrate.load({
@@ -40,7 +40,7 @@ describe('Promise migrations', function () {
   })
 
   it('should warn when using promise but still calling callback', function (done) {
-    var warned = false
+    let warned = false
     set.on('warning', function (msg) {
       assert(msg)
       warned = true
@@ -53,7 +53,7 @@ describe('Promise migrations', function () {
 
   it('should warn with no promise or callback', function (done) {
     set.up('3-callback-promise-test.js', function () {
-      var warned = false
+      let warned = false
       set.on('warning', function (msg) {
         assert(msg)
         warned = true
diff --git a/test/util/db.js b/test/util/db.js
index 82a261b..e533221 100644
--- a/test/util/db.js
+++ b/test/util/db.js
@@ -1,8 +1,8 @@
-var fs = require('fs')
-var path = require('path')
-var rimraf = require('rimraf')
+const fs = require('fs')
+const path = require('path')
+const rimraf = require('rimraf')
 
-var DB_PATH = path.join(__dirname, 'test.db')
+const DB_PATH = path.join(__dirname, 'test.db')
 
 function init () {
   exports.pets = []
@@ -16,12 +16,13 @@ function nuke () {
 }
 
 function load () {
+  let c
   try {
-    var c = fs.readFileSync(DB_PATH, 'utf8')
+    c = fs.readFileSync(DB_PATH, 'utf8')
   } catch (e) {
     return
   }
-  var j = JSON.parse(c)
+  const j = JSON.parse(c)
   Object.keys(j).forEach(function (k) {
     exports[k] = j[k]
   })
diff --git a/test/util/run.js b/test/util/run.js
index e7c1c73..ee7f49b 100644
--- a/test/util/run.js
+++ b/test/util/run.js
@@ -2,9 +2,9 @@
 const path = require('path')
 const spawn = require('child_process').spawn
 
-var run = module.exports = function run (cmd, dir, args, done) {
-  var p = spawn(cmd, ['-c', dir, ...args])
-  var out = ''
+const run = module.exports = function run (cmd, dir, args, done) {
+  const p = spawn(cmd, ['-c', dir, ...args])
+  let out = ''
   p.stdout.on('data', function (d) {
     out += d.toString('utf8')
   })