fix: --dev shouldn't try to load dev assets, closes #3802

Author: Guillaume Chau

packages/@vue/cli-ui/apollo-server/connectors/folders.js

@@ -18,7 +18,7 @@ function isDirectory (file) {
   try {
     return fs.statSync(file).isDirectory()
   } catch (e) {
-    if (process.env.VUE_APP_CLI_UI_DEV) console.warn(e.message)
+    if (process.env.VUE_APP_CLI_UI_DEBUG) console.warn(e.message)
   }
   return false
 }
@@ -60,7 +60,7 @@ function isHidden (file) {
 
     return (!isPlatformWindows && result.unix) || (isPlatformWindows && result.windows)
   } catch (e) {
-    if (process.env.VUE_APP_CLI_UI_DEV) {
+    if (process.env.VUE_APP_CLI_UI_DEBUG) {
       console.log('file:', file)
       console.error(e)
     }
@@ -134,7 +134,7 @@ function isVueProject (file, context) {
     const pkg = readPackage(file, context)
     return Object.keys(pkg.devDependencies || {}).includes('@vue/cli-service')
   } catch (e) {
-    if (process.env.VUE_APP_CLI_UI_DEV) {
+    if (process.env.VUE_APP_CLI_UI_DEBUG) {
       console.log(e)
     }
   }

packages/@vue/cli-ui/apollo-server/util/logger.js

@@ -1,7 +1,7 @@
 const chalk = require('chalk')
 
 exports.log = (...args) => {
-  if (!process.env.VUE_APP_CLI_UI_DEV) return
+  if (!process.env.VUE_APP_CLI_UI_DEBUG) return
   const date = new Date()
   const timestamp = `${date.getHours().toString().padStart(2, '0')}:${date.getMinutes().toString().padStart(2, '0')}.${date.getSeconds().toString().padStart(2, '0')}`
   const first = args.shift()
@@ -15,7 +15,7 @@ const simpleTypes = [
 ]
 
 exports.dumpObject = (obj) => {
-  if (!process.env.VUE_APP_CLI_UI_DEV) return
+  if (!process.env.VUE_APP_CLI_UI_DEBUG) return
   const result = {}
   Object.keys(obj).forEach(key => {
     const value = obj[key]

packages/@vue/cli-ui/package.json

@@ -10,7 +10,7 @@
     "serve": "cross-env VUE_APP_CLI_UI_URL=ws://localhost:4030/graphql VUE_APP_GRAPHQL_PORT=4030 vue-cli-service serve",
     "build": "vue-cli-service build",
     "lint": "vue-cli-service lint src apollo-server",
-    "apollo": "cross-env VUE_APP_CLI_UI_DEV=true VUE_APP_GRAPHQL_PORT=4030 vue-cli-service apollo:watch",
+    "apollo": "cross-env VUE_APP_CLI_UI_DEV=true VUE_APP_CLI_UI_DEBUG=true VUE_APP_GRAPHQL_PORT=4030 vue-cli-service apollo:watch",
     "apollo:debug": "cross-env VUE_CLI_DEBUG=true yarn run apollo",
     "apollo:run": "cross-env VUE_CLI_PLUGIN_DEV=true VUE_CLI_IPC=vue-cli-dev vue-cli-service apollo:run",
     "apollo:run:test": "cross-env VUE_CLI_DEBUG=true VUE_CLI_UI_TEST=true VUE_APP_GRAPHQL_PORT=4040 VUE_APP_CLI_UI_URL=ws://localhost:4040/graphql VUE_CLI_IPC=vue-cli-test vue-cli-service apollo:watch --mode production",

packages/@vue/cli/lib/ui.js

@@ -19,7 +19,7 @@ async function ui (options = {}, context = process.cwd()) {
 
   // Dev mode
   if (options.dev) {
-    process.env.VUE_APP_CLI_UI_DEV = true
+    process.env.VUE_APP_CLI_UI_DEBUG = true
   }
 
   if (!process.env.VUE_CLI_IPC) {