Merge pull request #14764 from ckeditor/ck/14762

Internal: Rewritten the `clean-up-svg-icons` script from shell script to JavaScript and fixed handling excluded icons. Closes #14762.

package.json

@@ -185,7 +185,7 @@
     "release:publish-packages": "node ./scripts/release/publishpackages.js",
     "release:switch-latest": "node ./scripts/release/switchlatest.js",
     "release:clean": "node ./scripts/release/clean.js",
-    "clean-up-svg-icons": "sh ./scripts/clean-up-svg-icons.sh",
+    "clean-up-svg-icons": "node ./scripts/clean-up-svg-icons.js",
     "collect-svg-icons": "node scripts/collect-svg-icons.js",
     "check-dependencies": "ckeditor5-dev-dependency-checker",
     "check-dependencies:versions-match": "node ./scripts/ci/check-dependencies-versions-match.js"

scripts/clean-up-svg-icons.js

@@ -0,0 +1,54 @@
+#!/usr/bin/env node
+
+/**
+ * @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+/* eslint-env node */
+
+// Cleans up and optimizes SVG files using the SVGO utility. The configuration file is located in svgo.config.json.
+//
+// Usage:
+// 	yarn run clean-up-svg-icons <path/to/icons>
+//
+// The <path/to/icons> can be either a direct path to a SVG file, or a path to a directory. Glob patterns in path are supported.
+//
+// To optimize the entire project run:
+// 	yarn clean-up-svg-icons packages/**/theme/icons
+
+'use strict';
+
+const chalk = require( 'chalk' );
+const upath = require( 'upath' );
+const minimist = require( 'minimist' );
+const { globSync } = require( 'glob' );
+const { execSync } = require( 'child_process' );
+
+// A list of icons that should not NOT be cleaned up. Their internal structure should not be changed
+// because, for instance, CSS animations may depend on it.
+const EXCLUDED_ICONS = [
+	'return-arrow.svg',
+	'project-logo.svg'
+];
+
+const globPattern = minimist( process.argv.slice( 2 ) )._
+	.map( pathToIcon => pathToIcon.endsWith( '.svg' ) ? pathToIcon : pathToIcon + '/*.svg' );
+
+globSync( globPattern )
+	.map( upath.toUnix )
+	.filter( pathToIcon => {
+		const iconName = upath.basename( pathToIcon );
+		const isExcluded = EXCLUDED_ICONS.includes( iconName );
+
+		if ( isExcluded ) {
+			console.log( chalk.yellow( `The "${ pathToIcon }" icon is excluded.` ) );
+		}
+
+		return !isExcluded;
+	} )
+	.forEach( pathToIcon => {
+		console.log( chalk.green( `Processing "${ pathToIcon }" icon...` ) );
+
+		execSync( `svgo --config=./scripts/svgo.config.js -i ${ pathToIcon }` );
+	} );