Fixes a crash when a backslash is the last character.

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 1.1.1
+
+* Fixes a crash when a backslash ended a selector string.
+
 # 1.1.0
 
 * Adds support for replacing multiple nodes at once with `replaceWith`

src/__tests__/tags.js

@@ -28,3 +28,8 @@ test('tag with trailing comma', 'h1,', (t, tree) => {
     t.plan(1);
     t.equal(tree.trailingComma, true);
 });
+
+test('tag with trailing slash', 'h1\\', (t, tree) => {
+    t.plan(1);
+    t.equal(tree.nodes[0].nodes[0].value, 'h1\\');
+});

src/parser.js

@@ -208,7 +208,7 @@ export default class Parser {
             word += current;
             if (current.lastIndexOf('\\') === current.length - 1) {
                 let next = this.nextToken;
-                if (next[0] === 'space') {
+                if (next && next[0] === 'space') {
                     word += next[1];
                     this.position ++;
                 }