Merge branch 'leipert-drop-safari-13-0' into 'master'

Drop support for Safari 13.0

See merge request gitlab-org/gitlab!66231

.browserslistrc

@@ -6,11 +6,11 @@
 # - We should support the latest ESR of Firefox: 78, because it used quite a lot.
 # - We use Edge/Chrome >= 84 because 83 had an annoying bug which would mean we
 #   need to polyfill Array.reduce: https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
-# - Safari 13 because it is the second latest major version of Safari
+# - Safari 13.1 because it is the current minor version of the previous major version
 #
 # See also this epic: https://gitlab.com/groups/gitlab-org/-/epics/3957
 #
 chrome >= 84
 edge >= 84
 firefox >= 78
-safari >= 13.0.4
+safari >= 13.1

.gitlab/ci/rules.gitlab-ci.yml

@@ -224,6 +224,7 @@
 
 .code-patterns: &code-patterns
   - "{package.json,yarn.lock}"
+  - ".browserslistrc"
   - "babel.config.js"
   - "jest.config.{base,integration,unit}.js"
   - ".csscomb.json"
@@ -249,6 +250,7 @@
 
 .code-backstage-patterns: &code-backstage-patterns
   - "{package.json,yarn.lock}"
+  - ".browserslistrc"
   - "babel.config.js"
   - "jest.config.{base,integration,unit}.js"
   - ".csscomb.json"
@@ -277,6 +279,7 @@
 
 .code-qa-patterns: &code-qa-patterns
   - "{package.json,yarn.lock}"
+  - ".browserslistrc"
   - "babel.config.js"
   - "jest.config.{base,integration,unit}.js"
   - ".csscomb.json"
@@ -301,6 +304,7 @@
 
 .code-backstage-qa-patterns: &code-backstage-qa-patterns
   - "{package.json,yarn.lock}"
+  - ".browserslistrc"
   - "babel.config.js"
   - "jest.config.{base,integration,unit}.js"
   - ".csscomb.json"

babel.config.js

@@ -19,6 +19,10 @@ const plugins = [
   '@babel/plugin-proposal-private-methods',
   // See: https://gitlab.com/gitlab-org/gitlab/-/issues/229146
   '@babel/plugin-transform-arrow-functions',
+  // See: https://gitlab.com/gitlab-org/gitlab/-/issues/336216
+  '@babel/plugin-proposal-optional-chaining',
+  // See: https://gitlab.com/gitlab-org/gitlab/-/issues/336216
+  '@babel/plugin-proposal-nullish-coalescing-operator',
   'lodash',
 ];