Function expandGrammarLanguages

src/extraction/grammars.ts:360–368

* Expand an index set's languages to the grammars actually needed to parse it. * SFC languages (svelte/vue/astro) have no grammar of their own — their * extractors delegate /frontmatter content to the TS/JS extractor, so * those grammars must be loaded even when no plain .ts/.js file is i

(languages: Language[])

 * cfscript/cfquery grammars (see injections.scm in tree-sitter-cfml).
 */
function expandGrammarLanguages(languages: Language[]): Language[] {
  if (languages.some((l) => l === 'svelte' || l === 'vue' || l === 'astro')) {
    languages = [...languages, 'typescript', 'javascript'];
  }
  if (languages.some((l) => l === 'cfml')) {
    languages = [...languages, 'cfscript', 'cfquery'];
  }
  return languages;
}

/**
 * Pre-read the grammar WASM bytes for an index set, keyed by language. The