refactor: match on patterns with a colon in additon to equals

Author: yaegassy

src/completion.ts

@@ -27,7 +27,7 @@ export class SelectorCompletionItemProvider implements CompletionItemProvider, D
   readonly files = new Map<string, string>();
   readonly watchers = new Map<string, Disposable>();
   readonly isRemote = /^https?:\/\//i;
-  readonly canComplete = /(id|class|className)\s*=\s*("|')(?:(?!\2).)*$/is;
+  readonly canComplete = /(id|class|className)\s*[=:]\s*("|')(?:(?!\2).)*$/is;
   readonly findLinkRel = /rel\s*=\s*("|')((?:(?!\1).)+)\1/is;
   readonly findLinkHref = /href\s*=\s*("|')((?:(?!\1).)+)\1/is;
   readonly findExtended = /(?:{{<|{{>|{%\s*extends|@extends\s*\()\s*("|')?([./A-Za-z_0-9\\\-]+)\1\s*(?:\)|%}|}})/i;