Function isAtDepthZero

scripts/generate-docs.ts:2196–2203

* Returns true if the regex match at `matchIndex` within `content` is at brace depth 0. * Used to distinguish top-level keys from keys nested inside child objects.

(content: string, matchIndex: number)

 * Used to distinguish top-level keys from keys nested inside child objects.
 */
function isAtDepthZero(content: string, matchIndex: number): boolean {
  let depth = 0
  for (let i = 0; i < matchIndex; i++) {
    if (content[i] === '{') depth++
    else if (content[i] === '}') depth--
  }
  return depth === 0
}

function parseFieldContent(fieldContent: string, toolPrefix?: string): any {
  // Only match `type:` that is at the top level of fieldContent (depth 0).