Only log purge notice once per process

src/featureFlags.js

@@ -1,5 +1,6 @@
 import _ from 'lodash'
 import chalk from 'chalk'
+import log from './util/log'
 
 const featureFlags = {
   future: ['removeDeprecatedGapUtilities'],
@@ -57,27 +58,6 @@ export function issueFlagNotices(config) {
     return
   }
 
-  const log = {
-    info(messages) {
-      console.log('')
-      messages.forEach(message => {
-        console.log(chalk.bold.cyan('info'), '-', message)
-      })
-    },
-    warn(messages) {
-      console.log('')
-      messages.forEach(message => {
-        console.log(chalk.bold.yellow('warn'), '-', message)
-      })
-    },
-    risk(messages) {
-      console.log('')
-      messages.forEach(message => {
-        console.log(chalk.bold.magenta('risk'), '-', message)
-      })
-    },
-  }
-
   if (futureFlagsEnabled(config).length > 0) {
     const changes = futureFlagsEnabled(config)
       .map(s => chalk.cyan(s))