Merge upstream

.nvmrc

@@ -1 +1 @@
-10.15.1
+12.13.1

.stylelintrc.yml

@@ -0,0 +1,162 @@
+---
+extends: stylelint-config-gds/scss
+ignoreFiles: src/govuk/vendor/**/*
+plugins:
+  - stylelint-order
+rules:
+  # govuk-frontend has a specific ordering pattern that should be applied to
+  # rules
+  #
+  # https://github.com/hudochenkov/stylelint-order/blob/master/rules/properties-order/README.md
+  order/properties-order:
+    - content
+    - quotes
+    # Box-sizing - Allow here until global is decided
+    - box-sizing
+
+    - display
+    - visibility
+
+    - position
+    - z-index
+    - top
+    - right
+    - bottom
+    - left
+
+    - width
+    - min-width
+    - max-width
+    - height
+    - min-height
+    - max-height
+
+    - margin
+    - margin-top
+    - margin-right
+    - margin-bottom
+    - margin-left
+
+    - padding
+    - padding-top
+    - padding-right
+    - padding-bottom
+    - padding-left
+
+    - float
+    - clear
+
+    - overflow
+    - overflow-x
+    - overflow-y
+
+    - clip
+    - clip-path
+    - zoom
+    - resize
+
+    - columns
+
+    - table-layout
+    - empty-cells
+    - caption-side
+    - border-spacing
+    - border-collapse
+
+    - list-style
+    - list-style-position
+    - list-style-type
+    - list-style-image
+
+    - transform
+    - transition
+    - animation
+
+    - border
+    - border-top
+    - border-right
+    - border-bottom
+    - border-left
+
+    - border-width
+    - border-top-width
+    - border-right-width
+    - border-bottom-width
+    - border-left-width
+
+    - border-style
+    - border-top-style
+    - border-right-style
+    - border-bottom-style
+    - border-left-style
+
+    - border-radius
+    - border-top-left-radius
+    - border-top-right-radius
+    - border-bottom-left-radius
+    - border-bottom-right-radius
+
+    - border-color
+    - border-top-color
+    - border-right-color
+    - border-bottom-color
+    - border-left-color
+
+    - outline
+    - outline-color
+    - outline-offset
+    - outline-style
+    - outline-width
+
+    - opacity
+    # Color has been moved to ensure it appears before background
+    - color
+    - background
+    - background-color
+    - background-image
+    - background-repeat
+    - background-position
+    - background-size
+    - box-shadow
+    - fill
+
+    - font
+    - font-family
+    - font-size
+    - font-style
+    - font-variant
+    - font-weight
+
+    - font-emphasize
+
+    - letter-spacing
+    - line-height
+    - list-style
+    - word-spacing
+
+    - text-align
+    - text-align-last
+    - text-decoration
+    - text-indent
+    - text-justify
+    - text-overflow
+    - text-overflow-ellipsis
+    - text-overflow-mode
+    - text-rendering
+    - text-outline
+    - text-shadow
+    - text-transform
+    - text-wrap
+    - word-wrap
+    - word-break
+
+    - text-emphasis
+
+    - vertical-align
+    - white-space
+    - word-spacing
+    - hyphens
+
+    - src
+    - cursor
+    - -webkit-appearance

.travis.yml

@@ -1,20 +1,46 @@
 language: node_js
 notifications:
   email: false
-sudo: false
-before_deploy:
-- test $TRAVIS_TEST_RESULT = 0
+
 jobs:
   include:
-    - stage: Run npm test
+    - name: 🧪 Run test suite
       script:
-      # Ensure Travis aborts without running tests if the package-lock.json file needs updating
+      # Ensure Travis aborts without running tests if the package-lock.json file
+      # needs updating
       - set -e
       - ./bin/check-package-lock.sh
-      # TravisCI is slower than our local machines, so results in intermittent timeouts
-      # using the `--runInBand` flag we can force it to without requiring as much
-      # resources (https://facebook.github.io/jest/docs/en/troubleshooting.html#tests-are-extremely-slow-on-docker-and-or-continuous-integration-ci-server)
+      # TravisCI is slower than our local machines, so results in intermittent
+      # timeouts using the `--runInBand` flag we can force it to without
+      # requiring as much resource.
+      # https://facebook.github.io/jest/docs/en/troubleshooting.html#tests-are-extremely-slow-on-docker-and-or-continuous-integration-ci-server
       - npm test -- --runInBand
-    # Heroku is configured to automatically deploy the following branches
-    # once CI passes:
-    # master         -> http://govuk-frontend-review.herokuapp.com/
+
+    # Ensure that the Sass compiles using the minimum versions of the compilers
+    # that we aim to support
+
+    - name: 📚 Test Sass compiles using LibSass v3.3.0
+      node_js: 4 # Node 4 required for oldest version of node-sass we support
+      install: npm install -g [email protected] # node-sass v3.4.0 = libsass v3.3.0
+      script: 
+        - node-sass --version
+        - time node-sass src/govuk/all.scss > /dev/null
+
+    - name: 🎯 Test Sass compiles using Dart Sass v1.0.0
+      node_js: 8 # Assumed based on release date of dart-sass v1.0.0
+      install: npm install -g [email protected]
+      script: 
+        - sass --version
+        - time sass src/govuk/all.scss > /dev/null
+
+    - name: 💎 Test Sass compiles using Ruby Sass v3.4.0 (deprecated)
+      language: ruby
+      rvm: 1.9.3-p551 # Assumed based on release date of Ruby Sass v3.4.0
+      install: gem install sass -v 3.4.0
+      script: 
+        - sass --version
+        - time sass src/govuk/all.scss > /dev/null
+
+# Heroku is configured to automatically deploy the following branches
+# once CI passes:
+# master         -> http://govuk-frontend-review.herokuapp.com/