sc4/lib/utils/node-builtins.js

A command line utility for automating SimCity 4 modding tasks & modifying savegames

// We want to avoid importing builtin node modules becuase we might be running 
// in the browser as well. That's where process.getBuiltinModule comes to the 
// rescue. This allows us to avoid importing those modules, and conditionally 
// require them instead.
function resolve() {
    if ('process' in globalThis && 'getBuiltinModule' in globalThis.process) {
        const { getBuiltinModule } = globalThis.process;
        return {
            fs: getBuiltinModule('fs'),
            path: getBuiltinModule('path'),
            util: getBuiltinModule('util'),
            sea: getBuiltinModule('sea'),
            crypto: getBuiltinModule('crypto'),
            os: getBuiltinModule('os'),
        };
    }
    else {
        // Avoid TypeScript complaining that the modules might be undefined. We 
        // know that's possible.
        return {
            fs: {},
            path: {},
            util: {},
            sea: {},
            crypto: {},
            os: {},
        };
    }
}
export const { fs, path, util, sea, crypto, os } = resolve();