Merge branch 'master' into rnmobile/fix-video-upload

.github/CODEOWNERS

@@ -1,7 +1,7 @@
 # Documentation
-/docs                                           @youknowriad @chrisvanpatten @ajitbohra @notnownikki
-/docs/designers-developers/developers           @youknowriad @gziolo @chrisvanpatten @mkaz @ajitbohra @notnownikki
-/docs/designers-developers/designers            @youknowriad @chrisvanpatten @mkaz @ajitbohra @notnownikki
+/docs                                           @youknowriad @chrisvanpatten @ajitbohra
+/docs/designers-developers/developers           @youknowriad @gziolo @chrisvanpatten @mkaz @ajitbohra
+/docs/designers-developers/designers            @youknowriad @chrisvanpatten @mkaz @ajitbohra
 
 # Data
 /packages/api-fetch                             @youknowriad @aduth @nerrad @mmtr
@@ -10,7 +10,7 @@
 /packages/redux-routine                         @youknowriad @aduth @nerrad
 
 # Blocks
-/packages/block-library                         @youknowriad @gziolo @Soean @ajitbohra @jorgefilipecosta @talldan @notnownikki
+/packages/block-library                         @youknowriad @gziolo @Soean @ajitbohra @jorgefilipecosta @talldan
 
 # Editor
 /packages/annotations                           @youknowriad @aduth @atimmer @ellatrix
@@ -29,7 +29,7 @@
 
 # Tooling
 /bin                                            @youknowriad @gziolo @aduth @ntwb @nerrad @ajitbohra @nosolosw
-/docs/tool                                      @youknowriad @gziolo @chrisvanpatten @ajitbohra @nosolosw @notnownikki
+/docs/tool                                      @youknowriad @gziolo @chrisvanpatten @ajitbohra @nosolosw
 /packages/babel-plugin-import-jsx-pragma        @youknowriad @gziolo @aduth @ntwb @nerrad @ajitbohra @nosolosw
 /packages/babel-plugin-makepot                  @youknowriad @gziolo @aduth @ntwb @nerrad @ajitbohra
 /packages/babel-preset-default                  @youknowriad @gziolo @aduth @ntwb @nerrad @ajitbohra @nosolosw

.github/PULL_REQUEST_TEMPLATE.md

@@ -19,4 +19,4 @@
 - [ ] My code follows the WordPress code style. <!-- Check code: `npm run lint`, Guidelines: https://make.wordpress.org/core/handbook/best-practices/coding-standards/javascript/ -->
 - [ ] My code follows the accessibility standards. <!-- Guidelines: https://make.wordpress.org/core/handbook/best-practices/coding-standards/accessibility-coding-standards/ -->
 - [ ] My code has proper inline documentation. <!-- Guidelines: https://make.wordpress.org/core/handbook/best-practices/inline-documentation-standards/javascript/ -->
-- [ ] I've included developer documentation if appropriate. <!-- Handbook: https://wordpress.org/gutenberg/handbook/designers-developers/ -->
+- [ ] I've included developer documentation if appropriate. <!-- Handbook: https://developer.wordpress.org/block-editor/ -->

.travis.yml

@@ -160,3 +160,16 @@ jobs:
       env: WP_VERSION=latest SWITCH_TO_PHP=5.2
       script:
         - ./bin/run-wp-unit-tests.sh
+
+before_deploy:
+  - npm install
+  - npm run playground:build -- --public-url '/gutenberg'
+
+deploy:
+  provider: pages
+  skip_cleanup: true
+  github_token: $GITHUB_TOKEN
+  keep_history: true
+  local_dir: playground/dist
+  on:
+    branch: master

bin/packages/build.js

@@ -64,6 +64,43 @@ function createStyleEntryTransform() {
 	} );
 }
 
+/**
+ * Returns a stream transform which maps an individual block.json to the
+ * index.js that imports it. Presently, babel resolves the import of json
+ * files by inlining them as a JavaScript primitive in the importing file.
+ * This transform ensures the importing file is rebuilt.
+ *
+ * @return {Transform} Stream transform instance.
+ */
+function createBlockJsonEntryTransform() {
+	const blocks = new Set;
+
+	return new Transform( {
+		objectMode: true,
+		async transform( file, encoding, callback ) {
+			const matches = /block-library[\/\\]src[\/\\](.*)[\/\\]block.json$/.exec( file );
+			const blockName = matches ? matches[ 1 ] : undefined;
+
+			// Only block.json files in the block-library folder are subject to this transform.
+			if ( ! blockName ) {
+				this.push( file );
+				callback();
+				return;
+			}
+
+			// Only operate once per block, assuming entries are common.
+			if ( blockName && blocks.has( blockName ) ) {
+				callback();
+				return;
+			}
+
+			blocks.add( blockName );
+			this.push( file.replace( 'block.json', 'index.js' ) );
+			callback();
+		},
+	} );
+}
+
 let onFileComplete = () => {};
 
 let stream;
@@ -72,7 +109,9 @@ if ( files.length ) {
 	stream = new Readable( { encoding: 'utf8' } );
 	files.forEach( ( file ) => stream.push( file ) );
 	stream.push( null );
-	stream = stream.pipe( createStyleEntryTransform() );
+	stream = stream
+		.pipe( createStyleEntryTransform() )
+		.pipe( createBlockJsonEntryTransform() );
 } else {
 	const bar = new ProgressBar( 'Build Progress: [:bar] :percent', {
 		width: 30,

composer.json

@@ -11,10 +11,10 @@
 		"issues": "https://github.com/WordPress/gutenberg/issues"
 	},
 	"require-dev": {
-		"dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
-		"squizlabs/php_codesniffer": "^3.1",
-		"wimg/php-compatibility": "^8",
-		"wp-coding-standards/wpcs": "^1.0.0"
+		"dealerdirect/phpcodesniffer-composer-installer": "^0.5.0",
+		"squizlabs/php_codesniffer": "^3.4.2",
+		"phpcompatibility/php-compatibility": "^9.2.0",
+		"wp-coding-standards/wpcs": "^2.1.1"
 	},
 	"require": {
 		"composer/installers": "~1.0"