Replace with arrow function (#342)

* Replace with arrow function in index.js

* Replace with arrow function in bin/node-lambda

* Replace with arrow function in test/main.js

* Replace with arrow function in lib/main.js

Author: abetomo

bin/node-lambda

@@ -43,7 +43,7 @@ const SRC_DIRECTORY = process.env.SRC_DIRECTORY || ''
 const DEPLOY_TIMEOUT = process.env.DEPLOY_TIMEOUT || 120000
 const DOCKER_IMAGE = process.env.DOCKER_IMAGE || ''
 const DEPLOY_ZIPFILE = process.env.DEPLOY_ZIPFILE || ''
-const AWS_DLQ_TARGET_ARN = (function () {
+const AWS_DLQ_TARGET_ARN = (() => {
   // You can clear the setting by passing an empty string
   // when executing updateFunctionConfiguration
   if (process.env.AWS_DLQ_TARGET_ARN !== undefined) {
@@ -93,9 +93,7 @@ program
   .option('-T, --deployTimeout [' + DEPLOY_TIMEOUT + ']', 'Deploy Timeout', DEPLOY_TIMEOUT)
   .option('-z, --deployZipfile [' + DEPLOY_ZIPFILE + ']', 'Deploy zipfile', DEPLOY_ZIPFILE)
   .option('-y, --proxy [' + PROXY + ']', 'Proxy server', PROXY)
-  .action(function (prg) {
-    lambda.deploy(prg)
-  })
+  .action((prg) => lambda.deploy(prg))
 
 program
   .command('package')
@@ -112,9 +110,7 @@ program
   .option('-f, --configFile [' + CONFIG_FILE + ']',
     'Path to file holding secret environment variables (e.g. "deploy.env")', CONFIG_FILE)
   .option('-D, --prebuiltDirectory [' + PREBUILT_DIRECTORY + ']', 'Prebuilt directory', PREBUILT_DIRECTORY)
-  .action(function (prg) {
-    lambda.package(prg)
-  })
+  .action((prg) => lambda.package(prg))
 
 program
   .command('run')
@@ -127,18 +123,14 @@ program
   .option('-f, --configFile [' + CONFIG_FILE + ']',
     'Path to file holding secret environment variables (e.g. "deploy.env")', CONFIG_FILE)
   .option('-x, --contextFile [' + CONTEXT_FILE + ']', 'Context JSON File', CONTEXT_FILE)
-  .action(function (prg) {
-    lambda.run(prg)
-  })
+  .action((prg) => lambda.run(prg))
 
 program
   .command('setup')
   .description('Sets up the .env file.')
   .option('-j, --eventFile [' + EVENT_FILE + ']', 'Event JSON File', EVENT_FILE)
   .option('-x, --contextFile [' + CONTEXT_FILE + ']', 'Context JSON File', CONTEXT_FILE)
-  .action(function (prg) {
-    lambda.setup(prg)
-  })
+  .action((prg) => lambda.setup(prg))
 
 program.parse(process.argv)
 

index.js

@@ -1,5 +1,5 @@
 // For development/testing purposes
-exports.handler = function (event, context, callback) {
+exports.handler = (event, context, callback) => {
   console.log('Running index.handler')
   console.log('==================================')
   console.log('event', event)

lib/main.js

@@ -22,7 +22,7 @@ const Lambda = function () {
   return this
 }
 
-Lambda.prototype._createSampleFile = function (file, boilerplateName) {
+Lambda.prototype._createSampleFile = (file, boilerplateName) => {
   const exampleFile = path.join(process.cwd(), file)
   const boilerplateFile = path.join(
     __dirname,
@@ -149,7 +149,7 @@ so you can easily test run multiple events.
   })
 }
 
-Lambda.prototype._params = function (program, buffer) {
+Lambda.prototype._params = (program, buffer) => {
   const params = {
     FunctionName: program.functionName +
       (program.environment ? '-' + program.environment : '') +
@@ -208,14 +208,14 @@ Lambda.prototype._params = function (program, buffer) {
   return params
 }
 
-Lambda.prototype._eventSourceList = function (program) {
+Lambda.prototype._eventSourceList = (program) => {
   if (!program.eventSourceFile) {
     return {
       EventSourceMappings: null,
       ScheduleEvents: null
     }
   }
-  const list = (function () {
+  const list = (() => {
     try {
       return fs.readJsonSync(program.eventSourceFile)
     } catch (err) {
@@ -420,9 +420,7 @@ Lambda.prototype._zip = (program, codeDirectory) => {
   })
 }
 
-Lambda.prototype._codeDirectory = function () {
-  return path.resolve('.', '.lambda')
-}
+Lambda.prototype._codeDirectory = () => path.resolve('.', '.lambda')
 
 Lambda.prototype._cleanDirectory = (codeDirectory) => {
   return new Promise((resolve, reject) => {
@@ -440,7 +438,7 @@ Lambda.prototype._cleanDirectory = (codeDirectory) => {
   })
 }
 
-Lambda.prototype._setRunTimeEnvironmentVars = function (program) {
+Lambda.prototype._setRunTimeEnvironmentVars = (program) => {
   const configValues = fs.readFileSync(program.configFile)
   const config = dotenv.parse(configValues)