Remove support for Node 6 (#5632)

* Bump required node version of cli to 8.0.0+

* Bump chalk to 3.0.0

- previously required Node 8 support

* bump debug to 4.1.1

- Drops Node 4 support, adds Node 10 support
- They  mentioned no breaking changes, so we’ll see.

* bump is-ci to 2.0.0

- removes Node end of lives
- supports more CIs for detection

* bump is-installed-globally

- drops support for Node 6 + improvements on detection

* bump log-symbols dep

- requires Node 8

* bump supports-color

- Requires Node 8

* bump untildify - require Node 8

* bump commander to 4.0.1

- require Node 8
- may break some snapshots - they changed some quotes like 'this'
instead of `this'

* bump execa to 3.3.0

- removes Node 6 support
- some breaking changes, but I didn’t find us using any of them on
first pass.

* bump cachedir

* bump fs-extra

Drops various node version support including 6

* bump bluebird

* bump ramda

cli/package.json

@@ -30,32 +30,32 @@
     "@cypress/xvfb": "1.2.4",
     "@types/sizzle": "2.3.2",
     "arch": "2.1.1",
-    "bluebird": "3.5.0",
-    "cachedir": "2.2.0",
-    "chalk": "2.4.2",
+    "bluebird": "3.7.1",
+    "cachedir": "2.3.0",
+    "chalk": "3.0.0",
     "check-more-types": "2.24.0",
-    "commander": "2.20.0",
+    "commander": "4.0.1",
     "common-tags": "1.8.0",
-    "debug": "3.2.6",
-    "execa": "0.10.0",
+    "debug": "4.1.1",
+    "execa": "3.3.0",
     "executable": "4.1.1",
     "extract-zip": "1.6.7",
-    "fs-extra": "5.0.0",
+    "fs-extra": "8.1.0",
     "getos": "3.1.1",
-    "is-ci": "1.2.1",
-    "is-installed-globally": "0.1.0",
+    "is-ci": "2.0.0",
+    "is-installed-globally": "0.3.1",
     "lazy-ass": "1.6.0",
     "listr": "0.14.3",
     "lodash": "4.17.15",
-    "log-symbols": "2.2.0",
+    "log-symbols": "3.0.0",
     "minimist": "1.2.0",
     "moment": "2.24.0",
-    "ramda": "0.24.1",
+    "ramda": "0.26.1",
     "request": "2.88.0",
     "request-progress": "3.0.0",
-    "supports-color": "6.1.0",
+    "supports-color": "7.1.0",
     "tmp": "0.1.0",
-    "untildify": "3.0.3",
+    "untildify": "4.0.0",
     "url": "0.11.0",
     "yauzl": "2.10.0"
   },
@@ -101,7 +101,7 @@
     "cypress": "bin/cypress"
   },
   "engines": {
-    "node": ">=6.0.0"
+    "node": ">=8.0.0"
   },
   "types": "types"
 }

cli/test/lib/tasks/install_spec.js

@@ -30,13 +30,13 @@ describe('/lib/tasks/install', function () {
 
     // allow simpler log message comparison without
     // chalk's terminal control strings
-    chalk.enabled = false
+    chalk.level = 0
   })
 
   afterEach(() => {
     stdout.restore()
 
-    chalk.enabled = true
+    chalk.level = 3
   })
 
   context('.start', function () {