@uvarovag/argv-parser/dist.es2015/index.js

Node.js arguments parser with full support for TypeScript, CommonJS, and ES Modules

export const getArgVal = (val) => {
    switch (val) {
        case '': {
            return true;
        }
        case 'true': {
            return true;
        }
        case 'false': {
            return false;
        }
        default: {
            return Number.isNaN(Number(val)) ? val : Number(val);
        }
    }
};
export const parseArgv = (argv) => {
    const [node, script, ...rest] = argv;
    const args = Object.fromEntries(rest.map((arg) => {
        const [key, ...rest] = arg.split('=');
        return [key.replace(/^-+/, ''), getArgVal(rest.join('='))];
    }));
    return { node, script, ...args };
};