Function getFieldBlock

tests/unit/services/MdbaseSpecService.test.ts:37–57

* Extract the multi-line block for a field under `fields:`. * Returns all lines belonging to that field definition (from the field name * line up to the next sibling field or end of fields section).

(yaml: string, fieldName: string)

 * line up to the next sibling field or end of fields section).
 */
function getFieldBlock(yaml: string, fieldName: string): string | undefined {
	const lines = yaml.split("\n");
	// Find the field line at exactly 2-space indent under fields:
	const fieldRe = new RegExp(`^  ${fieldName}:`);
	const startIdx = lines.findIndex((l) => fieldRe.test(l));
	if (startIdx === -1) return undefined;

	const result: string[] = [lines[startIdx]];
	for (let i = startIdx + 1; i < lines.length; i++) {
		const line = lines[i];
		// Stop at next sibling field (2-space indent, non-empty) or section boundary
		if (line.match(/^  \S/) || line.match(/^[a-z]/)) break;
		// Include deeper-indented lines and blank lines within the block
		if (line.match(/^\s{4,}/) || line === "") {
			result.push(line);
		} else {
			break;
		}
	}
	return result.join("\n");
}

function createMockPlugin(overrides: Record<string, any> = {}): any {
	const settings = {