Function resolveExistingVariableKey

src/utils/valueSyntax.ts:125–145

(
	vars: Map<string, unknown>,
	variableKey: string,
)

}

export function resolveExistingVariableKey(
	vars: Map<string, unknown>,
	variableKey: string,
): string | null {
	if (!variableKey) return null;

	const candidates = [variableKey];
	const baseKey = getValueVariableBaseName(variableKey);
	if (baseKey !== variableKey) candidates.push(baseKey);

	for (const candidate of candidates) {
		if (vars.has(candidate) && vars.get(candidate) !== undefined) {
			return candidate;
		}

		const match = findCaseInsensitiveMatch(vars, candidate);
		if (match) return match;
	}

	return null;
}

type ParsedOptions = {
	label?: string;