[ { "code": "missing-custom-element-compile-options", "end": { "character": 36, "column": 36, "line": 1 }, "message": "The 'tag' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?", "pos": 16, "start": { "character": 16, "column": 16, "line": 1 } } ]