openclaw/dist/redacting-stream-Bv1XNn85.mjs

Multi-channel AI gateway with extensible messaging integrations

import { StringDecoder } from "node:string_decoder";
//#region src/logging/redacting-stream.ts
function createRedactingStreamWriter(target, redactValues) {
	const decoder = new StringDecoder("utf8");
	const values = redactValues.filter(Boolean).toSorted((left, right) => right.length - left.length);
	const firstCharacters = new Set(values.map((value) => value.charAt(0)));
	let pending = "";
	const emit = (ending) => {
		let output = "";
		let cursor = 0;
		while (cursor < pending.length) {
			const value = firstCharacters.has(pending.charAt(cursor)) ? values.find((candidate) => pending.startsWith(candidate, cursor) || !ending && pending.length - cursor < candidate.length && candidate.startsWith(pending.slice(cursor))) : void 0;
			if (!value) {
				output += pending[cursor];
				cursor += 1;
			} else if (cursor + value.length > pending.length) break;
			else {
				output += "<redacted>";
				cursor += value.length;
			}
		}
		pending = pending.slice(cursor);
		return !output || target.write(output);
	};
	return {
		write: (chunk) => {
			pending += decoder.write(chunk);
			return emit(false);
		},
		flush: () => {
			pending += decoder.end();
			emit(true);
		}
	};
}
//#endregion
export { createRedactingStreamWriter as t };