feat(gatsby-cli): Remove one of package-lock.json and yarn.lock on ga…

…tsby new (#13225)

## Description

I made a first implementation that asks user with [prompts](https://github.com/terkelg/prompts) which package manager he wants to use.

## Related Issues

Related to issue #13210

packages/gatsby-cli/package.json

@@ -14,6 +14,7 @@
     "@babel/runtime": "^7.0.0",
     "bluebird": "^3.5.0",
     "common-tags": "^1.4.0",
+    "configstore": "^4.0.0",
     "convert-hrtime": "^2.0.0",
     "core-js": "^2.5.0",
     "envinfo": "^5.8.1",
@@ -27,6 +28,7 @@
     "node-fetch": "2.3.0",
     "opentracing": "^0.14.3",
     "pretty-error": "^2.1.1",
+    "prompts": "^2.0.4",
     "resolve-cwd": "^2.0.0",
     "source-map": "^0.5.7",
     "stack-trace": "^0.0.10",

packages/gatsby-cli/src/init-starter.js

@@ -1,5 +1,6 @@
 /* @flow */
 const { execSync } = require(`child_process`)
+const Configstore = require(`configstore`)
 const execa = require(`execa`)
 const hostedGitInfo = require(`hosted-git-info`)
 const fs = require(`fs-extra`)
@@ -8,11 +9,14 @@ const report = require(`./reporter`)
 const url = require(`url`)
 const existsSync = require(`fs-exists-cached`).sync
 const { trackCli, trackError } = require(`gatsby-telemetry`)
+const prompts = require(`prompts`)
 const spawn = (cmd: string, options: any) => {
   const [file, ...args] = cmd.split(/\s+/)
   return execa(file, args, { stdio: `inherit`, ...options })
 }
 
+const conf = new Configstore(`gatsby`, {}, { globalConfigPath: true })
+
 // Checks the existence of yarn package
 // We use yarnpkg instead of yarn to avoid conflict with Hadoop yarn
 // Refer to https://github.com/yarnpkg/yarn/issues/673
@@ -67,8 +71,30 @@ const install = async rootPath => {
   process.chdir(rootPath)
 
   try {
-    let cmd = shouldUseYarn() ? spawn(`yarnpkg`) : spawn(`npm install`)
-    await cmd
+    const npmCmd = `npm install`
+    let response = npmCmd
+    if (shouldUseYarn()) {
+      const promptsAnswer = await prompts([
+        {
+          type: `select`,
+          name: `package_manager`,
+          message: `Which package manager would you like to use ?`,
+          choices: [
+            { title: `yarn`, value: `yarnpkg` },
+            { title: `npm`, value: npmCmd },
+          ],
+          initial: 0,
+        },
+      ])
+      response = promptsAnswer.package_manager
+    }
+    conf.set(`package_manager`, response)
+    if (response.includes(`yarn`)) {
+      await fs.remove(`package-lock.json`)
+    } else {
+      await fs.remove(`yarn.lock`)
+    }
+    await spawn(response)
   } finally {
     process.chdir(prevDir)
   }

packages/gatsby-telemetry/package.json

@@ -11,7 +11,7 @@
     "@babel/runtime": "^7.0.0",
     "bluebird": "^3.5.0",
     "ci-info": "2.0.0",
-    "configstore": "4.0.0",
+    "configstore": "^4.0.0",
     "envinfo": "^5.8.1",
     "fs-extra": "^7.0.1",
     "is-docker": "1.1.0",

yarn.lock

@@ -6305,10 +6305,10 @@ config-chain@^1.1.11:
     ini "^1.3.4"
     proto-list "~1.2.1"
 
-configstore@4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/configstore/-/configstore-4.0.0.tgz#5933311e95d3687efb592c528b922d9262d227e7"
-  integrity sha512-CmquAXFBocrzaSM8mtGPMM/HiWmyIpr4CcJl/rgY2uCObZ/S7cKU0silxslqJejl+t/T9HS8E0PUNQD81JGUEQ==
+configstore@^3.0.0, configstore@^3.1.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.2.tgz#c6f25defaeef26df12dd33414b001fe81a543f8f"
+  integrity sha512-vtv5HtGjcYUgFrXc6Kx747B83MRRVS5R1VTEQoXvuP+kMI+if6uywV0nDGoiydJRy4yk7h9od5Og0kxx4zUXmw==
   dependencies:
     dot-prop "^4.1.0"
     graceful-fs "^4.1.2"
@@ -6317,10 +6317,10 @@ configstore@4.0.0:
     write-file-atomic "^2.0.0"
     xdg-basedir "^3.0.0"
 
-configstore@^3.0.0, configstore@^3.1.0:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.2.tgz#c6f25defaeef26df12dd33414b001fe81a543f8f"
-  integrity sha512-vtv5HtGjcYUgFrXc6Kx747B83MRRVS5R1VTEQoXvuP+kMI+if6uywV0nDGoiydJRy4yk7h9od5Og0kxx4zUXmw==
+configstore@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-4.0.0.tgz#5933311e95d3687efb592c528b922d9262d227e7"
+  integrity sha512-CmquAXFBocrzaSM8mtGPMM/HiWmyIpr4CcJl/rgY2uCObZ/S7cKU0silxslqJejl+t/T9HS8E0PUNQD81JGUEQ==
   dependencies:
     dot-prop "^4.1.0"
     graceful-fs "^4.1.2"
@@ -13106,6 +13106,11 @@ kleur@^3.0.0:
   resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.1.tgz#4f5b313f5fa315432a400f19a24db78d451ede62"
   integrity sha512-P3kRv+B+Ra070ng2VKQqW4qW7gd/v3iD8sy/zOdcYRsfiD+QBokQNOps/AfP6Hr48cBhIIBFWckB9aO+IZhrWg==
 
+kleur@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/kleur/-/kleur-3.0.3.tgz#a79c9ecc86ee1ce3fa6206d1216c501f147fc07e"
+  integrity sha512-eTIzlVOSUR+JxdDFepEYcBMtZ9Qqdef+rnzWdRZuMbOywu5tO2w2N7rqjoANZ5k9vywhL6Br1VRjUIgTQx4E8w==
+
 last-call-webpack-plugin@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/last-call-webpack-plugin/-/last-call-webpack-plugin-3.0.0.tgz#9742df0e10e3cf46e5c0381c2de90d3a7a2d7555"
@@ -16934,6 +16939,14 @@ prompts@^2.0.1:
     kleur "^3.0.0"
     sisteransi "^1.0.0"
 
+prompts@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/prompts/-/prompts-2.0.4.tgz#179f9d4db3128b9933aa35f93a800d8fce76a682"
+  integrity sha512-HTzM3UWp/99A0gk51gAegwo1QRYA7xjcZufMNe33rCclFszUYAuHe1fIN/3ZmiHeGPkUsNaRyQm1hHOfM0PKxA==
+  dependencies:
+    kleur "^3.0.2"
+    sisteransi "^1.0.0"
+
 promzard@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/promzard/-/promzard-0.3.0.tgz#26a5d6ee8c7dee4cb12208305acfb93ba382a9ee"