message: Recognize .mjs as JavaScript files
diff: @@ -71,6 +71,7 @@ export class AnalysisContext {
  readonly parsers = new Map<string, Parser<ParsedDocument>>([
  ['html', new HtmlParser()],
  ['js', new JavaScriptParser()],
  + ['mjs', new JavaScriptParser()],
  ['css', new CssParser()],
  ['json', new JsonParser()],
  ]);
  