Merge pull request #1737 from google/enhancement/1356-gulp-upgrade

Upgrade gulp and rework gulp tasks.

gulpfile.js/copy.js

@@ -0,0 +1,44 @@
+/**
+ * Gulp copy task.
+ *
+ * Site Kit by Google, Copyright 2020 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+const gulp = require( 'gulp' );
+
+module.exports = function() {
+	const globs = [
+		'readme.txt',
+		'google-site-kit.php',
+		'dist/*.js',
+		'dist/assets/**/*',
+		'bin/**/*',
+		'includes/**/*',
+		'third-party/**/*',
+		'!third-party/**/**/{tests,Tests,doc?(s),examples}/**/*',
+		'!third-party/**/**/{*.md,*.yml,phpunit.*}',
+		'!**/*.map',
+		'!bin/local-env/**/*',
+		'!bin/local-env/',
+		'!dist/admin.js',
+		'!dist/adminbar.js',
+		'!dist/wpdashboard.js',
+	];
+
+	return gulp.src( globs, { base: '.' } ).pipe( gulp.dest( 'release/google-site-kit' ) );
+};

gulpfile.js/index.js

@@ -0,0 +1,77 @@
+/**
+ * Gulp config.
+ *
+ * Site Kit by Google, Copyright 2019 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * External dependencies
+ */
+const gulp = require( 'gulp' );
+const imagemin = require( 'gulp-imagemin' );
+const pump = require( 'pump' );
+const del = require( 'del' );
+
+/**
+ * Gulp tasks
+ */
+const copy = require( './copy' );
+const svgmin = require( './svgmin' );
+const svgstore = require( './svgstore' );
+const zip = require( './zip' );
+
+/**
+ * Gulp task to clean up release folder.
+ *
+ * @param {Function} cb The callback indicating the end of the task execution.
+ */
+function cleanRelease( cb ) {
+	del.sync( './release/**' );
+	cb();
+}
+
+/**
+ * Gulp task to minify images.
+ *
+ * @param {Function} cb The callback indicating the end of the task execution.
+ */
+exports.imagemin = function( cb ) {
+	pump(
+		[
+			gulp.src( './assets/images/*' ),
+			imagemin(),
+			gulp.dest( './dist/assets/images' ),
+		],
+		cb
+	);
+};
+
+/**
+ * Gulp task to minify and combine svg's.
+ */
+exports.svg = gulp.series(
+	svgstore,
+	svgmin,
+);
+
+/**
+ * Gulp task to run the default release processes in a sequential order.
+ */
+exports.release = gulp.series(
+	cleanRelease,
+	copy,
+	zip,
+	cleanRelease,
+);