Function firstChild

core/indexing/chunk/code.ts:14–24

(
  node: SyntaxNode,
  grammarName: string | string[],
)

}

function firstChild(
  node: SyntaxNode,
  grammarName: string | string[],
): SyntaxNode | null {
  if (Array.isArray(grammarName)) {
    return (
      node.children.find((child) => grammarName.includes(child.type)) || null
    );
  }
  return node.children.find((child) => child.type === grammarName) || null;
}

async function collapseChildren(
  node: SyntaxNode,