Merge changes published in the Gutenberg plugin "release/9.6" branch

.eslintignore

@@ -1,6 +1,7 @@
 .cache
 build
 build-module
+build-types
 node_modules
 packages/block-serialization-spec-parser/parser.js
 packages/e2e-tests/plugins

.github/CODEOWNERS

@@ -4,14 +4,14 @@
 /docs/designers-developers/designers            @chrisvanpatten @mkaz @ajitbohra
 
 # Data
-/packages/api-fetch                             @youknowriad @nerrad @mmtr
-/packages/core-data                             @youknowriad @nerrad
-/packages/data                                  @youknowriad @nerrad @coderkevin
-/packages/redux-routine                         @youknowriad @nerrad
+/packages/api-fetch                             @nerrad @mmtr
+/packages/core-data                             @nerrad
+/packages/data                                  @nerrad @coderkevin
+/packages/redux-routine                         @nerrad
 /packages/data-controls                         @nerrad
 
 # Blocks
-/packages/block-library                         @Soean @ajitbohra @talldan
+/packages/block-library                         @ajitbohra @talldan
 /packages/block-library/src/gallery             @mkevins
 /packages/block-library/src/social-links        @mkaz
 /packages/block-library/src/social-link         @mkaz
@@ -20,32 +20,32 @@
 # Editor
 /packages/annotations                           @atimmer @ellatrix
 /packages/autop
-/packages/block-editor                          @youknowriad @ellatrix
+/packages/block-editor                          @ellatrix
 /packages/block-serialization-spec-parser       @dmsnell
 /packages/block-serialization-default-parser    @dmsnell
-/packages/blocks                                @youknowriad @ellatrix
+/packages/blocks                                @ellatrix
 /packages/edit-post
 /packages/editor
-/packages/list-reusable-blocks                  @youknowriad
+/packages/list-reusable-blocks
 /packages/shortcode
 /packages/block-directory
 /packages/interface
 /packages/media-utils
 /packages/server-side-render
 
 # Widgets
-/packages/edit-widgets                          @youknowriad @draganescu @talldan @noisysocks @tellthemachines @adamziel @kevin940726
+/packages/edit-widgets                          @draganescu @talldan @noisysocks @tellthemachines @adamziel @kevin940726
 
 # Navigation
 /packages/edit-navigation                       @draganescu @talldan @noisysocks @tellthemachines @adamziel @kevin940726
 
 # Full Site Editing
-/packages/edit-site                             @youknowriad
+/packages/edit-site
 
 # Tooling
 /bin                                            @ntwb @nerrad @ajitbohra
 /bin/api-docs                                   @ntwb @nerrad @ajitbohra @nosolosw
-/docs/tool                                      @youknowriad @chrisvanpatten @ajitbohra @nosolosw
+/docs/tool                                      @chrisvanpatten @ajitbohra @nosolosw
 /packages/babel-plugin-import-jsx-pragma        @gziolo @ntwb @nerrad @ajitbohra
 /packages/babel-plugin-makepot                  @ntwb @nerrad @ajitbohra
 /packages/babel-preset-default                  @gziolo @ntwb @nerrad @ajitbohra
@@ -61,15 +61,15 @@
 /packages/jest-puppeteer-axe                    @gziolo @ntwb @nerrad @ajitbohra
 /packages/library-export-default-webpack-plugin @gziolo @ntwb @nerrad @ajitbohra
 /packages/npm-package-json-lint-config          @gziolo @ntwb @nerrad @ajitbohra
-/packages/postcss-themes                        @youknowriad @ntwb @nerrad @ajitbohra
+/packages/postcss-themes                        @ntwb @nerrad @ajitbohra
 /packages/scripts                               @gziolo @ntwb @nerrad @ajitbohra
 /packages/dependency-extraction-webpack-plugin  @gziolo
 /packages/prettier-config                       @ntwb @gziolo
 
 # UI Components
-/packages/components                            @youknowriad @ajitbohra @jaymanpandya @chrisvanpatten
-/packages/compose                               @youknowriad @ajitbohra @jaymanpandya
-/packages/element                               @youknowriad @ajitbohra @jaymanpandya
+/packages/components                            @ajitbohra @jaymanpandya @chrisvanpatten
+/packages/compose                               @ajitbohra @jaymanpandya
+/packages/element                               @ajitbohra @jaymanpandya
 /packages/notices                               @ajitbohra @jaymanpandya
 /packages/nux                                   @ajitbohra @jaymanpandya
 /packages/viewport                              @ajitbohra @jaymanpandya
@@ -78,18 +78,18 @@
 /packages/primitives
 
 # Utilities
-/packages/a11y                                  @youknowriad
+/packages/a11y
 /packages/blob
 /packages/date
-/packages/deprecated                            @youknowriad
+/packages/deprecated
 /packages/dom                                   @ellatrix
 /packages/dom-ready
 /packages/escape-html
 /packages/html-entities
 /packages/i18n                                  @swissspidy
 /packages/is-shallow-equal
 /packages/keycodes                              @talldan @ellatrix
-/packages/priority-queue                        @youknowriad
+/packages/priority-queue
 /packages/token-list
 /packages/url                                   @talldan
 /packages/wordcount
@@ -101,19 +101,21 @@
 /packages/plugins                               @gziolo @adamsilverstein
 
 # Rich Text
-/packages/format-library                        @ellatrix @etoledom @cameronvoell @guarani
-/packages/rich-text                             @ellatrix @etoledom @cameronvoell @guarani
-/packages/block-editor/src/components/rich-text @ellatrix @etoledom @cameronvoell @guarani
+/packages/format-library                        @ellatrix @cameronvoell @guarani
+/packages/rich-text                             @ellatrix @cameronvoell @guarani
+/packages/block-editor/src/components/rich-text @ellatrix @cameronvoell @guarani
 
 # Project Management
-/.github                                        @youknowriad @mapk @karmatosed
+/.github                                        @mapk @karmatosed
 /packages/project-management-automation
 
 # wp-env
-/packages/env                                   @epiqueras @noahtallen
+/packages/env                                   @noahtallen
 
 # PHP
 /lib                                            @timothybjacobs @spacedmonkey
+/lib/global-styles.php                          @timothybjabocs @spacedmonkey @nosolosw
+/lib/experimental-default-theme.json            @timothybjabocs @spacedmonkey @nosolosw
 
 # Native (Unowned)
 *.native.js                                     @ghost

.github/SUPPORT.md

@@ -0,0 +1,12 @@
+
+# Gutenberg Project Support
+
+Welcome to Gutenberg, a WordPress project. We hope you join us in creating the future platform for publishing; all are welcome here.
+
+* Please see the [Contributing Guidelines](https://github.com/WordPress/gutenberg/blob/master/CONTRIBUTING.md) for additional information on how to contribute.
+
+* As with all WordPress projects, we want to ensure a welcoming environment for everyone. With that in mind, all contributors are expected to follow our [Code of Conduct](https://github.com/WordPress/gutenberg/blob/master/CODE_OF_CONDUCT.md).
+
+* Join us on Slack for real-time communication, it is where maintainers coordinate around the project. To get started using Slack, see: https://make.wordpress.org/chat/
+
+* For general WordPress support with the core editor, see the [WordPress.org support forums](https://wordpress.org/support/) — it is highly active and well maintained.

.github/workflows/build-plugin-zip.yml

@@ -0,0 +1,49 @@
+name: Build Gutenberg Plugin Zip
+
+on:
+  pull_request:
+    paths-ignore:
+    - '**.md'
+  push:
+    branches: [master]
+    tags:
+      - 'v*'
+    paths-ignore:
+    - '**.md'
+
+jobs:
+  build:
+    name: Build Release Artifact
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@master
+
+      - name: Cache node modules
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-node-modules
+        with:
+          # npm cache files are stored in `~/.npm` on Linux/macOS
+          path: ~/.npm
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+
+      - name: Use Node.js 12.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 12.x
+
+      - name: Build Gutenberg plugin ZIP file
+        run: ./bin/build-plugin-zip.sh
+        env:
+          NO_CHECKS: 'true'
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: gutenberg-plugin
+          path: ./gutenberg.zip

.github/workflows/bundle-size.yml

@@ -12,7 +12,7 @@ jobs:
       with:
         fetch-depth: 1
 
-    - uses: preactjs/compressed-size-action@v1
+    - uses: preactjs/compressed-size-action@v2
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"
         pattern: "{build/**/*.js,build/**/*.css}"

.github/workflows/cancel.yml

@@ -7,7 +7,7 @@ jobs:
     timeout-minutes: 3
     steps:
       - name: Get all workflow ids and set to env variable
-        run: echo ::set-env name=WORKFLOW_IDS_TO_CANCEL::$(curl https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/workflows -s | jq -r '.workflows | map(.id|tostring) | join(",")')
+        run: echo "WORKFLOW_IDS_TO_CANCEL=$(curl https://api.github.com/repos/${GITHUB_REPOSITORY}/actions/workflows -s | jq -r '.workflows | map(.id|tostring) | join(",")')" >> $GITHUB_ENV
 
       - uses: styfle/[email protected]
         with:

.github/workflows/create-block.yml

@@ -34,10 +34,10 @@ jobs:
           ${{ runner.os }}-build-
           ${{ runner.os }}-
 
-    - name: Use Node.js 12.x
+    - name: Use Node.js 14.x
       uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 14.x
 
     - name: npm install, build, format and lint
       run: |

.github/workflows/end2end-test.yml

@@ -10,92 +10,16 @@ on:
     - '**.md'
 
 jobs:
-  admin-1:
-    name: Admin - 1
+  admin:
+    name: Admin - ${{ matrix.part }}
 
     runs-on: ubuntu-latest
 
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Cache node modules
-      uses: actions/cache@v2
-      env:
-        cache-name: cache-node-modules
-      with:
-        # npm cache files are stored in `~/.npm` on Linux/macOS
-        path: ~/.npm
-        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: |
-          ${{ runner.os }}-build-${{ env.cache-name }}-
-          ${{ runner.os }}-build-
-          ${{ runner.os }}-
-
-    - name: Use Node.js 12.x
-      uses: actions/setup-node@v1
-      with:
-        node-version: 12.x
-
-    - name: Npm install and build
-      run: |
-        npm ci
-        FORCE_REDUCED_MOTION=true npm run build
-
-    - name: Install WordPress
-      run: |
-        chmod -R 767 ./ # TODO: Possibly integrate in wp-env
-        npm run wp-env start
-
-    - name: Running the tests
-      run: |
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --listTests > ~/.jest-e2e-tests
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --cacheDirectory="$HOME/.jest-cache" --runTestsByPath $( awk 'NR % 4 == 0' < ~/.jest-e2e-tests )
-
-  admin-2:
-    name: Admin - 2
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Cache node modules
-      uses: actions/cache@v2
-      env:
-        cache-name: cache-node-modules
-      with:
-        # npm cache files are stored in `~/.npm` on Linux/macOS
-        path: ~/.npm
-        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: |
-          ${{ runner.os }}-build-${{ env.cache-name }}-
-          ${{ runner.os }}-build-
-          ${{ runner.os }}-
-
-    - name: Use Node.js 12.x
-      uses: actions/setup-node@v1
-      with:
-        node-version: 12.x
-
-    - name: Npm install and build
-      run: |
-        npm ci
-        FORCE_REDUCED_MOTION=true npm run build
-
-    - name: Install WordPress
-      run: |
-        chmod -R 767 ./ # TODO: Possibly integrate in wp-env
-        npm run wp-env start
-
-    - name: Running the tests
-      run: |
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --listTests > ~/.jest-e2e-tests
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --cacheDirectory="$HOME/.jest-cache" --runTestsByPath $( awk 'NR % 4 == 1' < ~/.jest-e2e-tests )
+    strategy:
+      fail-fast: false
+      matrix:
+        part: [1, 2, 3, 4]
 
-  admin-3:
-    name: Admin - 3
-
-    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -113,10 +37,10 @@ jobs:
           ${{ runner.os }}-build-
           ${{ runner.os }}-
 
-    - name: Use Node.js 12.x
+    - name: Use Node.js 14.x
       uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 14.x
 
     - name: Npm install and build
       run: |
@@ -131,45 +55,11 @@ jobs:
     - name: Running the tests
       run: |
         $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --listTests > ~/.jest-e2e-tests
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --cacheDirectory="$HOME/.jest-cache" --runTestsByPath $( awk 'NR % 4 == 2' < ~/.jest-e2e-tests )
-
-  admin-4:
-    name: Admin - 4
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Cache node modules
-      uses: actions/cache@v2
-      env:
-        cache-name: cache-node-modules
-      with:
-        # npm cache files are stored in `~/.npm` on Linux/macOS
-        path: ~/.npm
-        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-        restore-keys: |
-          ${{ runner.os }}-build-${{ env.cache-name }}-
-          ${{ runner.os }}-build-
-          ${{ runner.os }}-
+        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --cacheDirectory="$HOME/.jest-cache" --runTestsByPath $( awk 'NR % 4 == ${{ matrix.part }} - 1' < ~/.jest-e2e-tests )
 
-    - name: Use Node.js 12.x
-      uses: actions/setup-node@v1
+    - name: Archive debug artifacts (screenshots, HTML snapshots)
+      uses: actions/upload-artifact@v2
+      if: always()
       with:
-        node-version: 12.x
-
-    - name: Npm install and build
-      run: |
-        npm ci
-        FORCE_REDUCED_MOTION=true npm run build
-
-    - name: Install WordPress
-      run: |
-        chmod -R 767 ./ # TODO: Possibly integrate in wp-env
-        npm run wp-env start
-
-    - name: Running the tests
-      run: |
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --listTests > ~/.jest-e2e-tests
-        $( npm bin )/wp-scripts test-e2e --config=./packages/e2e-tests/jest.config.js --cacheDirectory="$HOME/.jest-cache" --runTestsByPath $( awk 'NR % 4 == 3' < ~/.jest-e2e-tests )
+        name: failures-artifacts
+        path: artifacts