Add test for comma separated list of bucket names

eleventy.config.js

@@ -41,6 +41,7 @@ module.exports = function(eleventyConfig, options = {}) {
 		options.bundleNames.forEach(name => {
 			managers[name] = new CodeManager(name);
 
+			// e.g. `css` shortcode to add code to page bundle
 			let addShortcodeName = name;
 			if(options.shortcodes.add && options.shortcodes.add[name] !== undefined) {
 				addShortcodeName = options.shortcodes.add[name];
@@ -54,6 +55,7 @@ module.exports = function(eleventyConfig, options = {}) {
 				});
 			}
 
+			// e.g. `getPageCss` shortcode to get code in current page bundle
 			let getShortcodeName;
 			if(options.shortcodes.get && options.shortcodes.get[name] !== undefined) {
 				getShortcodeName = options.shortcodes.get[name];
@@ -63,6 +65,7 @@ module.exports = function(eleventyConfig, options = {}) {
 			if(getShortcodeName) {
 				isTransformNeeded = true;
 
+				// bucket can be an array
 				eleventyConfig.addShortcode(getShortcodeName, function getContent(bucket) {
 					return OutOfOrderRender.getAssetKey(name, bucket);
 				});

test/stubs/buckets-get-multiple-comma-sep/index.liquid

@@ -0,0 +1,5 @@
+{%- css "defer" %}* { color: blue; }{% endcss %}
+{%- css %}* { color: blue; }{% endcss %}
+{%- css "defer" %}* { color: red; }{% endcss %}
+{%- css %}* { color: orange; }{% endcss -%}
+<style>{% getPageCss "default,defer" %}</style>

test/test.js

@@ -126,3 +126,13 @@ test("CSS, get two buckets at once, reverse order", async t => {
 * { color: red; }
 * { color: orange; }</style>`); // note that blue is only listed once, we de-dupe entries across buckets
 });
+
+test("CSS, get two buckets at once (comma separated list)", async t => {
+	// automatically uses eleventy.config.js in root
+	let elev = new Eleventy("test/stubs/buckets-get-multiple-comma-sep/");
+	let results = await elev.toJSON();
+	t.deepEqual(results[0].content, `<style>* { color: blue; }
+* { color: orange; }
+* { color: red; }</style>`); // note that blue is only listed once, we de-dupe entries across buckets
+});
+