/**
* CLI Argument Parser
*/
import type { ParsedArgs } from './types.js';
// Options that take values
const OPTIONS_WITH_VALUES = new Set(['ide', 'method', 'output', 'o']);
/**
* Parse command line arguments
*/
export function parseArgs(argv: string[] = process.argv.slice(2)): ParsedArgs {
const result: ParsedArgs = {
command: null,
args: [],
options: {},
};
let i = 0;
while (i < argv.length) {
const arg = argv[i];
if (arg.startsWith('--')) {
// Long option
const [key, value] = arg.slice(2).split('=');
if (value !== undefined) {
result.options[key] = value;
} else if (
OPTIONS_WITH_VALUES.has(key) &&
i + 1 < argv.length &&
!argv[i + 1].startsWith('-')
) {
// Option takes a value, look ahead
result.options[key] = argv[i + 1];
i++;
} else {
result.options[key] = true;
}
} else if (arg.startsWith('-') && arg.length > 1) {
// Short option(s)
const flags = arg.slice(1);
// Check if last flag takes a value
const lastFlag = flags[flags.length - 1];
if (
flags.length === 1 &&
OPTIONS_WITH_VALUES.has(lastFlag) &&
i + 1 < argv.length &&
!argv[i + 1].startsWith('-')
) {
result.options[lastFlag] = argv[i + 1];
i++;
} else {
for (const flag of flags) {
result.options[flag] = true;
}
}
} else if (!result.command) {
// First non-option is the command
result.command = arg;
} else {
// Everything else is a positional argument
result.args.push(arg);
}
i++;
}
return result;
}
/**
* Check if help flag is present
*/
export function hasHelpFlag(args: ParsedArgs): boolean {
return Boolean(args.options['help'] || args.options['h']);
}
/**
* Check if version flag is present
*/
export function hasVersionFlag(args: ParsedArgs): boolean {
return Boolean(args.options['version'] || args.options['v']);
}
