fix escaping of %-prefixed names

mocha.opts

@@ -1,2 +1 @@
---bail
 test/test.js

src/generators/dom/index.ts

@@ -344,18 +344,21 @@ export default function dom(
 
 	let result = builder
 		.toString()
-		.replace(/%(\w+(?:-\w+)?)/gm, (match: string, name: string) => {
-			return generator.templateVars.get(name);
-		})
-		.replace(/(@+)(\w*)/g, (match: string, sigil: string, name: string) => {
-			if (sigil !== '@') return sigil.slice(1) + name;
-
-			if (name in shared) {
-				if (options.dev && `${name}Dev` in shared) name = `${name}Dev`;
-				usedHelpers.add(name);
+		.replace(/(%+|@+)(\w*(?:-\w*)?)/g, (match: string, sigil: string, name: string) => {
+			if (sigil === '@') {
+				if (name in shared) {
+					if (options.dev && `${name}Dev` in shared) name = `${name}Dev`;
+					usedHelpers.add(name);
+				}
+
+				return generator.alias(name);
+			}
+
+			if (sigil === '%') {
+				return generator.templateVars.get(name);
 			}
 
-			return generator.alias(name);
+			return sigil.slice(1) + name;
 		});
 
 	let helpers;

src/utils/stringify.ts

@@ -3,7 +3,7 @@ export function stringify(data: string, options = {}) {
 }
 
 export function escape(data: string, { onlyEscapeAtSymbol = false } = {}) {
-	return data.replace(onlyEscapeAtSymbol ? /(@+)/g : /(@+|#+)/g, (match: string) => {
+	return data.replace(onlyEscapeAtSymbol ? /(%+|@+)/g : /(%+|@+|#+)/g, (match: string) => {
 		return match + match[0];
 	});
 }

test/runtime/samples/escaped-text/_config.js

@@ -1,3 +1,7 @@
 export default {
-	html: `@@x`
+	html: `
+		@@x
+		%1
+		%%2
+	`
 };

test/runtime/samples/escaped-text/main.html

@@ -1 +1,3 @@
-@@x
+@@x
+%1
+%%2