isaacscript/dist/commands/monitor/spawnSaveDatWriter.js

A command line tool for managing Isaac mods written in TypeScript.

import { fatalError } from "complete-node";
import { fork } from "node:child_process";
import path from "node:path";
import { WATCHER_MOD_NAME } from "../../constants.js";
const SUBPROCESS_NAME = "saveDatWriter";
const SUBPROCESS_DESCRIPTION = "save#.dat writer";
let saveDatWriter;
export function spawnSaveDatWriter(config) {
    const processPath = path.join(import.meta.dirname, SUBPROCESS_NAME, SUBPROCESS_NAME);
    const modsDataPath = path.resolve(config.modsDirectory, "..", "data");
    const watcherModDataPath = path.join(modsDataPath, WATCHER_MOD_NAME);
    const saveDatFileName = `save${config.saveSlot}.dat`;
    const saveDatPath = path.join(watcherModDataPath, saveDatFileName);
    saveDatWriter = fork(processPath, [saveDatPath], {
        stdio: ["pipe", "pipe", "pipe", "ipc"],
    });
    saveDatWriter.on("close", (code) => {
        fatalError(`Error: ${SUBPROCESS_DESCRIPTION} subprocess closed with code: ${code}`);
    });
    saveDatWriter.on("exit", (code) => {
        fatalError(`Error: ${SUBPROCESS_DESCRIPTION} subprocess exited with code: ${code}`);
    });
}
export function sendMsgToSaveDatWriter(msg) {
    if (saveDatWriter !== undefined) {
        saveDatWriter.send(msg);
    }
}
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