add list command to list of commands

src/args.ts

@@ -62,6 +62,9 @@ export async function parseArgs(argv: Array<string>): Promise<ParsedArgs> {
   const parser = yargs(argv)
     .usage(`Usage: ${APP_NAME} <command> [options]`)
     .command('check', 'check if a lock exists')
+    .command('list', 'list all locks', () => { /* noop */}, () => {
+      command = 'list';
+    })
     .command('lock', 'lock a path', () => { /* noop */}, () => {
       command = 'lock';
     })

src/command/index.ts

@@ -11,4 +11,4 @@ export interface CommandContext {
 
 export type CommandFunction = (context: CommandContext) => Promise<boolean>;
 
-export type CommandName = 'check' | 'lock' | 'unlock' | 'prune';
+export type CommandName = 'check' | 'list' | 'lock' | 'unlock' | 'prune';

src/main.ts

@@ -20,6 +20,7 @@ export enum ExitCode {
 
 export const Commands: Record<CommandName, CommandFunction> = {
   check: checkCommand,
+  list: checkCommand, // TODO: implement list
   lock: lockCommand,
   unlock: unlockCommand,
   prune: pruneCommand,