@better-builds/lets-version/dist/exec.js

A package that reads your conventional commits and git history and recommends (or applies) a SemVer version bump for you

import { spawn } from 'node:child_process';
export function exec(command, { verbose = process.env.LETS_VERSION_VERBOSE === 'true' || false, ...opts }) {
    if (verbose)
        console.info('Executing', command, 'in', opts.cwd);
    const [cmd, ...args] = command.split(/\s+/);
    if (!cmd)
        throw new Error('unable to spawn because no command was given');
    return new Promise((resolve, reject) => {
        const child = spawn(cmd, args, opts);
        let errBuffer = Buffer.alloc(0);
        let stdoutBuffer = Buffer.alloc(0);
        let error = null;
        child.on('error', err => {
            error = err;
        });
        child.stderr?.on('data', data => {
            errBuffer = Buffer.concat([errBuffer, data]);
        });
        child.stdout?.on('data', data => {
            stdoutBuffer = Buffer.concat([stdoutBuffer, data]);
        });
        child.once('exit', code => {
            if (code) {
                const errMsg = errBuffer.toString('utf-8');
                if (opts.stdio === 'inherit')
                    console.error(errMsg);
                if (error) {
                    return reject(error);
                }
                return reject(new Error(errMsg));
            }
            const output = stdoutBuffer.toString('utf-8');
            return resolve(output);
        });
    });
}