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-rw-r--r--.gitlab-ci.yml3
-rw-r--r--Dangerfile1
-rw-r--r--danger/prettier/Dangerfile39
3 files changed, 42 insertions, 1 deletions
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 058cacb0774..5028aa98a85 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -444,10 +444,10 @@ setup-test-env:
- vendor/gitaly-ruby
danger-review:
+ <<: *pull-cache
image: registry.gitlab.com/gitlab-org/gitlab-build-images:danger
stage: test
allow_failure: true
- cache: {}
dependencies: []
before_script: []
only:
@@ -461,6 +461,7 @@ danger-review:
- $CI_COMMIT_REF_NAME =~ /.*-stable(-ee)?-prepare-.*/
script:
- git version
+ - yarn install --frozen-lockfile --cache-folder .yarn-cache
- danger --fail-on-errors=true
rspec-pg 0 30: *rspec-metadata-pg
diff --git a/Dangerfile b/Dangerfile
index 46e53edcac4..fe1e3d16ba5 100644
--- a/Dangerfile
+++ b/Dangerfile
@@ -7,3 +7,4 @@ danger.import_dangerfile(path: 'danger/database')
danger.import_dangerfile(path: 'danger/documentation')
danger.import_dangerfile(path: 'danger/frozen_string')
danger.import_dangerfile(path: 'danger/commit_messages')
+danger.import_dangerfile(path: 'danger/prettier')
diff --git a/danger/prettier/Dangerfile b/danger/prettier/Dangerfile
new file mode 100644
index 00000000000..86f9f6af475
--- /dev/null
+++ b/danger/prettier/Dangerfile
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+def get_prettier_files(files)
+ files.select do |file|
+ file.end_with?('.js', '.scss', '.vue')
+ end
+end
+
+prettier_candidates = get_prettier_files(git.added_files + git.modified_files)
+
+return if prettier_candidates.empty?
+
+unpretty = `node_modules/prettier/bin-prettier.js --list-different #{prettier_candidates.join(" ")}`
+ .split(/$/)
+ .map(&:strip)
+ .reject(&:empty?)
+
+return if unpretty.empty?
+
+warn 'This merge request changed frontend files without pretty printing them.'
+
+markdown(<<~MARKDOWN)
+ ## Pretty print Frontend files
+
+ The following files should have been pretty printed with `prettier`:
+
+ * #{unpretty.map { |path| "`#{path}`" }.join("\n* ")}
+
+ Please run
+
+ ```
+ node_modules/.bin/prettier --write \\
+ #{unpretty.map { |path| " '#{path}'" }.join(" \\\n")}
+ ```
+
+ Also consider auto-formatting [on-save].
+
+ [on-save]: https://docs.gitlab.com/ee/development/new_fe_guide/style/prettier.html
+MARKDOWN