prettylint YAML files (#7662)

.azure-pipelines-steps.yml

@@ -1,45 +1,45 @@
 #
 # Steps for building and testing Jest. See jobs defined in .azure-pipelines.yml
-# 
+#
 
 # Clones the repo
 steps:
-- checkout: self
+  - checkout: self
 
-# Ensure Node.js 10 is active
-- task: NodeTool@0
-  inputs:
-    versionSpec: '10.x'
-  displayName: 'Use Node.js 10'
+  # Ensure Node.js 10 is active
+  - task: NodeTool@0
+    inputs:
+      versionSpec: '10.x'
+    displayName: 'Use Node.js 10'
 
-# Ensure Python 2.7 is active
-- task: UsePythonVersion@0
-  inputs:
-    versionSpec: '2.7'
-  displayName: 'Use Python 2.7'
+  # Ensure Python 2.7 is active
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: '2.7'
+    displayName: 'Use Python 2.7'
 
-# Workaround to move source files under a "jest" folder (see .azure-pipelines.yml for details)
-- script: |
-    cd /
-    mv $(Build.Repository.LocalPath) $(JEST_DIR)
-    mkdir $(Build.Repository.LocalPath)
-  displayName: 'Move source into jest folder'
+  # Workaround to move source files under a "jest" folder (see .azure-pipelines.yml for details)
+  - script: |
+      cd /
+      mv $(Build.Repository.LocalPath) $(JEST_DIR)
+      mkdir $(Build.Repository.LocalPath)
+    displayName: 'Move source into jest folder'
 
-# Run yarn to install dependencies and build
-- script: yarn
-  workingDirectory: $(JEST_DIR)
-  displayName: 'Install dependencies and build'
+  # Run yarn to install dependencies and build
+  - script: yarn
+    workingDirectory: $(JEST_DIR)
+    displayName: 'Install dependencies and build'
 
-# Run test-ci-partial
-- script: yarn run test-ci-partial
-  workingDirectory: $(JEST_DIR)
-  displayName: 'Run tests'
+  # Run test-ci-partial
+  - script: yarn run test-ci-partial
+    workingDirectory: $(JEST_DIR)
+    displayName: 'Run tests'
 
-# Publish CI test results
-- task: PublishTestResults@2
-  inputs:
-    testResultsFiles: '**/reports/junit/*.xml'
-    searchFolder: $(JEST_DIR)
-    testRunTitle: 'CI Tests $(Agent.OS)'
-  displayName: 'Publish test results'
-  condition: succeededOrFailed()
+  # Publish CI test results
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFiles: '**/reports/junit/*.xml'
+      searchFolder: $(JEST_DIR)
+      testRunTitle: 'CI Tests $(Agent.OS)'
+    displayName: 'Publish test results'
+    condition: succeededOrFailed()

.azure-pipelines.yml

@@ -3,30 +3,30 @@
 #
 
 jobs:
-- job: Linux
-  pool:
-    vmImage: ubuntu-16.04
-  steps:
-  - template: .azure-pipelines-steps.yml
+  - job: Linux
+    pool:
+      vmImage: ubuntu-16.04
+    steps:
+      - template: .azure-pipelines-steps.yml
 
-- job: Windows
-  pool:
-    vmImage: vs2017-win2016
-  steps:
-  - script: |
-      git config --global core.autocrlf false
-      git config --global core.symlinks true
-    displayName: 'Preserve LF endings and symbolic links on check out'
-  - template: .azure-pipelines-steps.yml
+  - job: Windows
+    pool:
+      vmImage: vs2017-win2016
+    steps:
+      - script: |
+          git config --global core.autocrlf false
+          git config --global core.symlinks true
+        displayName: 'Preserve LF endings and symbolic links on check out'
+      - template: .azure-pipelines-steps.yml
 
-- job: macOS
-  pool:
-    vmImage: macos-10.13
-  steps:
-  # This step can be removed once Mercurial gets installed on the macOS image. See https://github.com/Microsoft/azure-pipelines-image-generation/issues/604
-  - script: HOMEBREW_NO_AUTO_UPDATE=1 brew install mercurial
-    displayName: 'Install Mercurial'
-  - template: .azure-pipelines-steps.yml
+  - job: macOS
+    pool:
+      vmImage: macos-10.13
+    steps:
+      # This step can be removed once Mercurial gets installed on the macOS image. See https://github.com/Microsoft/azure-pipelines-image-generation/issues/604
+      - script: HOMEBREW_NO_AUTO_UPDATE=1 brew install mercurial
+        displayName: 'Install Mercurial'
+      - template: .azure-pipelines-steps.yml
 
 variables:
   # Used by chalk. Ensures output from Jest includes ANSI escape characters that are needed to match test snapshots.
@@ -35,6 +35,6 @@ variables:
   # By default, Azure Pipelines clones to an "s" directory, which causes tests to fail due to assumption of Jest being run from a "jest" directory.
   # See packages/jest-message-util/src/index.js PATH_JEST_PACKAGES for more details.
   JEST_DIR: $(Agent.BuildDirectory)/jest
-  
+
   # Ensures the handful of tests that should be skipped during CI are
   CI: true

package.json

@@ -78,7 +78,7 @@
     "lint": "eslint . --cache --report-unused-disable-directives --ext js,md",
     "lint-es5-build": "eslint --no-eslintrc --no-ignore --env=browser packages/*/build-es5",
     "lint:md": "yarn --silent lint:md:ci --fix",
-    "lint:md:ci": "prettylint '**/*.md' --ignore-path .gitignore",
+    "lint:md:ci": "prettylint '**/*.{md,yml,yaml}' --ignore-path .gitignore",
     "postinstall": "opencollective postinstall && yarn build",
     "publish": "yarn build-clean && yarn build && lerna publish --silent",
     "test-ci-es5-build-in-browser": "karma start --single-run",