Add 'host' and 'host-context' to unpackPseudo so that data inside the…

…m can be parsed

src/__fixtures__/tests.ts

@@ -456,4 +456,31 @@ export const tests: [string, Selector[][], string][] = [
  ],
  "multiple selectors",
  ],
+
+ [
+ ':host(h1, p)',
+ [
+ [
+ {
+ type: "pseudo",
+ name: "host",
+ data: [
+ [
+ {
+ "type":"tag",
+ "name":"h1"
+ }
+ ],
+ [
+ {
+ "type":"tag",
+ "name":"p"
+ }
+ ]
+ ]
+ },
+ ],
+ ],
+ "pseudo selector with data",
+ ]
 ];

src/parse.ts

@@ -96,7 +96,7 @@ const attribSelectors: { [key: string]: [string, AttributeAction] } = {
 };
 
 // Pseudos, whose data property is parsed as well.
-const unpackPseudos = new Set(["has", "not", "matches", "is"]);
+const unpackPseudos = new Set(["has", "not", "matches", "is", "host", "host-context"]);
 
 const stripQuotesFromPseudos = new Set(["contains", "icontains"]);