diff --git a/packages/svelte/src/compiler/print/index.js b/packages/svelte/src/compiler/print/index.js
index 8cbffd4680..6faa247ce6 100644
--- a/packages/svelte/src/compiler/print/index.js
+++ b/packages/svelte/src/compiler/print/index.js
@@ -205,6 +205,15 @@ const visitors = {
 		context.write('}');
 	},
 
+	ClassDirective(node, context) {
+		context.write(`class:${node.name}`);
+		if (node.expression !== null) {
+			context.write('={');
+			context.visit(node.expression);
+			context.write('}');
+		}
+	},
+
 	ClassSelector(node, context) {
 		context.write(`.${node.name}`);
 	},
@@ -288,6 +297,15 @@ const visitors = {
 		context.write('{/if}');
 	},
 
+	LetDirective(node, context) {
+		context.write(`let:${node.name}`);
+		if (node.expression !== null) {
+			context.write('={');
+			context.visit(node.expression);
+			context.write('}');
+		}
+	},
+
 	Nth(node, context) {
 		context.write(node.value); // TODO is this right?
 	},
@@ -425,6 +443,18 @@ const visitors = {
 		context.write('{/snippet}');
 	},
 
+	StyleDirective(node, context) {
+		context.write(`style:${node.name}`);
+		for (const modifier of node.modifiers) {
+			context.write(`|${modifier}`);
+		}
+		if (node.expression !== null) {
+			context.write('={');
+			context.visit(node.expression);
+			context.write('}');
+		}
+	},
+
 	StyleSheet(node, context) {
 		context.write('<style');