name : parse-command.js export function parseCommand(cmd) { const extraSpacesStrippedCommand = cmd.replace(/\s{2,}/g, ' '); const splitCommand = extraSpacesStrippedCommand.split(/\s+(?![^[]*]|[^<]*>)/); const bregex = /\.*[\][<>]/g; const firstCommand = splitCommand.shift(); if (!firstCommand) throw new Error(`No command found in: ${cmd}`); const parsedCommand = { cmd: firstCommand.replace(bregex, ''), demanded: [], optional: [], }; splitCommand.forEach((cmd, i) => { let variadic = false; cmd = cmd.replace(/\s/g, ''); if (/\.+[\]>]/.test(cmd) && i === splitCommand.length - 1) variadic = true; if (/^\[/.test(cmd)) { parsedCommand.optional.push({ cmd: cmd.replace(bregex, '').split('|'), variadic, }); } else { parsedCommand.demanded.push({ cmd: cmd.replace(bregex, '').split('|'), variadic, }); } }); return parsedCommand; }