One $ is enough :)

mjbvz · mjbvz · commit f91e38a08c9b · 2018-04-18T14:56:15.000-07:00
diff --git a/src/index.ts b/src/index.ts
@@ -50,7 +50,7 @@ export = (mod: { typescript: typeof ts }) => {
                         // styled.x`
                         //     color: ${'red'};
                         // `
-                        if (pre.match(/(;|^|\})[\s|\n]*$$/)) {
+                        if (pre.match(/(;|^|\})[\s|\n]*$/)) {
                             // Mixin, replace with a dummy variable declaration, so scss server doesn't complain about rogue semicolon
                             return '$a:0' + result.slice(4); // replace(/./gm, c => c === '\n' ? '\n' : ' ');
                         }

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,7 @@ export = (mod: { typescript: typeof ts }) => {`
`50`	`50`	// styled.x`
`51`	`51`	`// color: ${'red'};`
`52`	`52`	// `
`53`		`- if (pre.match(/(;\|^\|\})[\s\|\n]*$$/)) {`
	`53`	`+ if (pre.match(/(;\|^\|\})[\s\|\n]*$/)) {`
`54`	`54`	`// Mixin, replace with a dummy variable declaration, so scss server doesn't complain about rogue semicolon`
`55`	`55`	`return '$a:0' + result.slice(4); // replace(/./gm, c => c === '\n' ? '\n' : ' ');`
`56`	`56`	`}`