rcon-node/dist/utils/seven-days-to-die.utils.js

A TypeScript RCON client library for modern game servers.

/**
 * Wait until the socket receives data matching the provided pattern.
 * @param socket The TCP socket.
 * @param matcher String or regular expression to match.
 * @returns Resolves with the received data once the matcher is satisfied.
 */
export function readUntil(socket, matcher) {
    return new Promise((resolve) => {
        let buffer = "";
        const isMatch = (data) => typeof matcher === "string" ? data.includes(matcher) : matcher.test(data);
        const onData = (chunk) => {
            buffer += chunk.toString();
            if (isMatch(buffer)) {
                socket.off("data", onData);
                resolve(buffer);
            }
        };
        socket.on("data", onData);
    });
}
/**
 * Send a command to the socket and read until the pattern is seen again.
 * @param socket The TCP socket.
 * @param command Command text to send.
 * @param matcher Pattern signalling the end of the response.
 * @returns Resolves with the captured response text.
 */
export async function sendAndRead(socket, command, matcher) {
    socket.write(command.endsWith("\n") ? command : `${command}\n`);
    const data = await readUntil(socket, matcher);
    return data;
}
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