DEV: Remove `.es6` extensions from core (#14912)

Still supported in plugins though.

.github/workflows/linting.yml

@@ -61,11 +61,11 @@ jobs:
 
       - name: ESLint (core)
         if: ${{ always() }}
-        run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern app/assets/javascripts
+        run: yarn eslint app/assets/javascripts
 
       - name: ESLint (core plugins)
         if: ${{ always() }}
-        run: yarn eslint --ext .js,.js.es6 --no-error-on-unmatched-pattern plugins/**/{test,assets}/javascripts
+        run: yarn eslint plugins
 
       - name: Prettier
         if: ${{ always() }}
@@ -73,9 +73,9 @@ jobs:
           yarn prettier -v
           yarn prettier --list-different \
             "app/assets/stylesheets/**/*.scss" \
-            "app/assets/javascripts/**/*.{js,es6}" \
+            "app/assets/javascripts/**/*.js" \
             "plugins/**/assets/stylesheets/**/*.scss" \
-            "plugins/**/assets/javascripts/**/*.{js,es6}"
+            "plugins/**/assets/javascripts/**/*.js"
 
       - name: Ember template lint
         if: ${{ always() }}

lefthook.yml

@@ -5,14 +5,10 @@ pre-commit:
       glob: "*.rb"
       run: bundle exec rubocop --parallel {staged_files}
     prettier:
-      glob: "*.{js,es6}"
+      glob: "*.js"
       include: "app/assets/javascripts|test/javascripts"
       run: yarn pprettier --list-different {staged_files}
-    eslint-es6:
-      glob: "*.es6"
-      include: "app/assets/javascripts|test/javascripts"
-      run: yarn eslint --ext .es6 -f compact {staged_files}
-    eslint-js:
+    eslint:
       glob: "*.js"
       include: "app/assets/javascripts|test/javascripts"
       run: yarn eslint -f compact {staged_files}
@@ -52,23 +48,17 @@ lints:
     rubocop:
       run: bundle exec rubocop --parallel
     prettier:
-      glob: "*.{js,es6}"
+      glob: "*.js"
       include: "app/assets/javascripts|test/javascripts"
       run: yarn pprettier --list-different {all_files}
-    eslint-assets-es6:
-      run: yarn eslint --ext .es6 app/assets/javascripts
     eslint-assets-js:
       run: yarn eslint app/assets/javascripts
-    eslint-test-es6:
-      run: yarn eslint --ext .es6 test/javascripts
     eslint-test-js:
       run: yarn eslint test/javascripts
     eslint-plugins-assets:
-      run: yarn eslint --global I18n --ext .es6 plugins/**/assets/javascripts
+      run: yarn eslint plugins/**/assets/javascripts
     eslint-plugins-test:
-      run: yarn eslint --global I18n --ext .es6 plugins/**/test/javascripts
-    eslint-assets-tests:
-      run: yarn eslint app/assets/javascripts test/javascripts
+      run: yarn eslint plugins/**/test/javascripts
     i18n-lint:
       glob: "**/{client,server}.en.yml"
       run: bundle exec ruby script/i18n_lint.rb {all_files}

lib/tasks/docker.rake

@@ -87,7 +87,7 @@ task 'docker:test' do
 
         unless ENV["SKIP_CORE"]
           puts "Listing prettier offenses in core:"
-          @good &&= run_or_fail('yarn prettier --list-different "app/assets/stylesheets/**/*.scss" "app/assets/javascripts/**/*.{js,es6}"')
+          @good &&= run_or_fail('yarn prettier --list-different "app/assets/stylesheets/**/*.scss" "app/assets/javascripts/**/*.js"')
         end
 
         unless ENV["SKIP_PLUGINS"]

plugins/discourse-details/plugin.rb

@@ -5,6 +5,7 @@
 # version: 0.4
 # authors: Régis Hanol
 # url: https://github.com/discourse/discourse/tree/main/plugins/discourse-details
+# transpile_js: true
 
 enabled_site_setting :details_enabled
 hide_plugin if self.respond_to?(:hide_plugin)

plugins/discourse-local-dates/plugin.rb

@@ -4,6 +4,8 @@
 # about: Display a date in your local timezone
 # version: 0.1
 # author: Joffrey Jaffeux
+# transpile_js: true
+
 hide_plugin if self.respond_to?(:hide_plugin)
 
 register_asset 'stylesheets/common/discourse-local-dates.scss'

plugins/discourse-narrative-bot/plugin.rb

@@ -5,6 +5,7 @@
 # version: 1.0
 # authors: Nick Sahler, Alan Tan
 # url: https://github.com/discourse/discourse/tree/main/plugins/discourse-narrative-bot
+# transpile_js: true
 
 enabled_site_setting :discourse_narrative_bot_enabled
 hide_plugin if self.respond_to?(:hide_plugin)

plugins/poll/plugin.rb

@@ -5,6 +5,7 @@
 # version: 1.0
 # authors: Vikhyat Korrapati (vikhyat), Régis Hanol (zogstrip)
 # url: https://github.com/discourse/discourse/tree/main/plugins/poll
+# transpile_js: true
 
 register_asset "stylesheets/common/poll.scss"
 register_asset "stylesheets/desktop/poll.scss", :desktop

plugins/styleguide/plugin.rb

@@ -4,6 +4,7 @@
 # about: Preview how Widgets are Styled in Discourse
 # version: 0.2
 # author: Robin Ward
+# transpile_js: true
 
 register_asset "stylesheets/styleguide.scss"
 enabled_site_setting :styleguide_enabled