fix: braced property access

src/tokens/property-access-token.ts

@@ -2,13 +2,22 @@ import { Token } from './token'
 import { WordToken } from './word-token'
 import { QuotedToken } from './quoted-token'
 import { TokenKind } from '../parser/token-kind'
+import { parseStringLiteral } from '../parser/parse-string-literal'
 
 export class PropertyAccessToken extends Token {
   constructor (
-    public variable: WordToken,
+    public variable: WordToken | QuotedToken,
     public props: (WordToken | QuotedToken | PropertyAccessToken)[],
     end: number
   ) {
     super(TokenKind.PropertyAccess, variable.input, variable.begin, end, variable.file)
   }
+
+  getVariableAsText() {
+    if (this.variable instanceof WordToken) {
+      return this.variable.getText()
+    } else {
+      return parseStringLiteral(this.variable.getText())
+    }
+  }
 }