Decrease install size (#396)

* Remove chalk and upgrade arg

* Add engines key to package.json

* Remove handling of below node 8

* Revert "Remove handling of below node 8"

This reverts commit f41de4c.

* Revert "Revert "Remove handling of below node 8""

This reverts commit af254a0.

* Remove test for below node 8

bin/micro.js

@@ -6,7 +6,6 @@ const {existsSync} = require('fs');
 
 // Packages
 const arg = require('arg');
-const chalk = require('chalk');
 
 // Utilities
 const serve = require('../lib');
@@ -37,46 +36,46 @@ const args = arg({
 // When `-h` or `--help` are used, print out
 // the usage information
 if (args['--help']) {
-	console.error(chalk`
-  {bold.cyan micro} - Asynchronous HTTP microservices
+	console.error(`
+  micro - Asynchronous HTTP microservices
 
-  {bold USAGE}
+  USAGE
 
-      {bold $} {cyan micro} --help
-      {bold $} {cyan micro} --version
-      {bold $} {cyan micro} [-l {underline listen_uri} [-l ...]] [{underline entry_point.js}]
+      $ micro --help
+      $ micro --version
+      $ micro [-l listen_uri [-l ...]] [entry_point.js]
 
-      By default {cyan micro} will listen on {bold 0.0.0.0:3000} and will look first
-      for the {bold "main"} property in package.json and subsequently for {bold index.js}
-      as the default {underline entry_point}.
+      By default micro will listen on 0.0.0.0:3000 and will look first
+      for the "main" property in package.json and subsequently for index.js
+      as the default entry_point.
 
-      Specifying a single {bold --listen} argument will overwrite the default, not supplement it.
+      Specifying a single --listen argument will overwrite the default, not supplement it.
 
-  {bold OPTIONS}
+  OPTIONS
 
       --help                              shows this help message
 
       -v, --version                       displays the current version of micro
 
-      -l, --listen {underline listen_uri}             specify a URI endpoint on which to listen (see below) -
+      -l, --listen listen_uri             specify a URI endpoint on which to listen (see below) -
                                           more than one may be specified to listen in multiple places
 
-  {bold ENDPOINTS}
+  ENDPOINTS
 
-      Listen endpoints (specified by the {bold --listen} or {bold -l} options above) instruct {cyan micro}
+      Listen endpoints (specified by the --listen or -l options above) instruct micro
       to listen on one or more interfaces/ports, UNIX domain sockets, or Windows named pipes.
 
       For TCP (traditional host/port) endpoints:
 
-          {bold $} {cyan micro} -l tcp://{underline hostname}:{underline 1234}
+          $ micro -l tcp://hostname:1234
 
       For UNIX domain socket endpoints:
 
-          {bold $} {cyan micro} -l unix:{underline /path/to/socket.sock}
+          $ micro -l unix:/path/to/socket.sock
 
       For Windows named pipe endpoints:
 
-          {bold $} {cyan micro} -l pipe:\\\\.\\pipe\\{underline PipeName}
+          $ micro -l pipe:\\\\.\\pipe\\PipeName
 `);
 	process.exit(2);
 }

lib/handler.js

@@ -12,18 +12,6 @@ module.exports = async file => {
 		}
 	} catch (err) {
 		logError(`Error when importing ${file}: ${err.stack}`, 'invalid-entry');
-
-		if (
-			err instanceof SyntaxError &&
-      /\s+async\s+/.test(err.stack) &&
-      Number(process.versions.node.split('.')[0]) < 8
-		) {
-			logError(
-				'In order for `async` & `await` to work, you need to use at least Node.js 8!',
-				'old-node-version'
-			);
-		}
-
 		process.exit(1);
 	}
 

package.json

@@ -15,6 +15,9 @@
   "bin": {
     "micro": "./bin/micro.js"
   },
+  "engines": {
+    "node": ">= 8.0.0"
+  },
   "repository": "zeit/micro",
   "keywords": [
     "micro",
@@ -40,8 +43,7 @@
     "then-sleep": "1.0.1"
   },
   "dependencies": {
-    "arg": "2.0.0",
-    "chalk": "2.4.0",
+    "arg": "4.1.0",
     "content-type": "1.0.4",
     "is-stream": "1.1.0",
     "raw-body": "2.3.2"

test/handler.js

@@ -50,15 +50,3 @@ test('process.exit when handling and inexisting file', async t => {
 	await t.throws(promise);
 	t.is(process.exit.getCall(0).args[0], 1);
 });
-
-test('log and process.exit when node version is below 8', async t => {
-	// Stub process.versions.node.split()
-	sinon.stub(String.prototype, 'split').callsFake(() => '7');
-	const logErrorSpy = sinon.spy();
-	handle.__set__('logError', logErrorSpy);
-	const file = path.resolve('test/fixtures/syntax-error');
-	const promise = handle(file);
-	await t.throws(promise);
-	t.is(logErrorSpy.callCount, 2);
-	t.is(process.exit.getCall(0).args[0], 1);
-});

yarn.lock

@@ -185,9 +185,10 @@ are-we-there-yet@~1.1.2:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
 
-arg@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/arg/-/arg-2.0.0.tgz#c06e7ff69ab05b3a4a03ebe0407fac4cba657545"
+arg@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.0.tgz#583c518199419e0037abb74062c37f8519e575f0"
+  integrity sha512-ZWc51jO3qegGkVh8Hwpv636EkbesNV5ZNQPCtRa+0qytRYPEs9IYT9qITY9buezqUH5uqyzlWLcufrzU2rffdg==
 
 arg@^1.0.0:
   version "1.0.1"
@@ -887,14 +888,6 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chalk@2.4.0, chalk@^2.0.0, chalk@^2.3.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.0.tgz#a060a297a6b57e15b61ca63ce84995daa0fe6e52"
-  dependencies:
-    ansi-styles "^3.2.1"
-    escape-string-regexp "^1.0.5"
-    supports-color "^5.3.0"
-
 chalk@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-0.4.0.tgz#5199a3ddcd0c1efe23bc08c1b027b06176e0c64f"
@@ -913,6 +906,14 @@ chalk@^1.1.3:
     strip-ansi "^3.0.0"
     supports-color "^2.0.0"
 
+chalk@^2.0.0, chalk@^2.3.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.0.tgz#a060a297a6b57e15b61ca63ce84995daa0fe6e52"
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 chalk@^2.0.1, chalk@^2.1.0:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.3.2.tgz#250dc96b07491bfd601e648d66ddf5f60c7a5c65"