openclaw/dist/balanced-json-Ccq_0iyB.js

Multi-channel AI gateway with extensible messaging integrations

//#region src/shared/balanced-json.ts
const CLOSING_DELIMITER = {
	"{": "}",
	"[": "]"
};
function isJsonOpeningDelimiter(char, openers) {
	return char === "{" ? openers.includes("{") : char === "[" && openers.includes("[");
}
/** Extract the first balanced JSON object/array prefix found in text. */
function extractBalancedJsonPrefix(raw, opts = {}) {
	const openers = opts.openers ?? ["{", "["];
	let start = 0;
	while (start < raw.length && !isJsonOpeningDelimiter(raw[start], openers)) start += 1;
	if (start >= raw.length) return null;
	const stack = [];
	let inString = false;
	let escaped = false;
	for (let i = start; i < raw.length; i += 1) {
		const char = raw[i];
		if (char === void 0) break;
		if (inString) {
			if (escaped) escaped = false;
			else if (char === "\\") escaped = true;
			else if (char === "\"") inString = false;
			continue;
		}
		if (char === "\"") {
			inString = true;
			continue;
		}
		if (isJsonOpeningDelimiter(char, openers)) {
			stack.push(char);
			continue;
		}
		const opener = stack.at(-1);
		if (opener && char === CLOSING_DELIMITER[opener]) {
			stack.pop();
			if (stack.length === 0) return {
				json: raw.slice(start, i + 1),
				startIndex: start,
				endIndex: i
			};
		}
	}
	return null;
}
/** Extract every balanced JSON object/array fragment from arbitrary text. */
function extractBalancedJsonFragments(raw, opts = {}) {
	const fragments = [];
	let offset = 0;
	while (offset < raw.length) {
		const fragment = extractBalancedJsonPrefix(raw.slice(offset), opts);
		if (!fragment) break;
		fragments.push({
			json: fragment.json,
			startIndex: offset + fragment.startIndex,
			endIndex: offset + fragment.endIndex
		});
		offset += fragment.endIndex + 1;
	}
	return fragments;
}
//#endregion
export { extractBalancedJsonPrefix as n, extractBalancedJsonFragments as t };