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Add better help for positional arguments

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This commit is contained in:
Jerko Steiner 2019-08-14 10:23:08 +07:00
parent 64d244fe91
commit 198cff3d35
1 changed files with 6 additions and 3 deletions
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9
packages/scripts/src/index.ts
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@ -4,6 +4,8 @@ import * as log from './log'
import {TCommand} from './TCommand' import {TCommand} from './TCommand'
import {argparse, arg} from '@rondo/argparse' import {argparse, arg} from '@rondo/argparse'
const commandNames = Object.keys(commands).filter(cmd => !cmd.startsWith('_'))
const {parse} = argparse({ const {parse} = argparse({
help: arg('boolean', {alias: 'h'}), help: arg('boolean', {alias: 'h'}),
debug: arg('boolean'), debug: arg('boolean'),
@ -11,7 +13,7 @@ const {parse} = argparse({
n: '+', n: '+',
required: true, required: true,
positional: true, positional: true,
description: 'Must be one of: ' + Object.keys(commands).join(', '), description: '\n ' + commandNames.join('\n '),
}), }),
}) })
@ -20,8 +22,9 @@ type TArgs = ReturnType<typeof parse>
async function run(args: TArgs, exit: (code: number) => void) { async function run(args: TArgs, exit: (code: number) => void) {
const commandName = args.command[0] const commandName = args.command[0]
if (!(commandName in commands)) { if (!(commandName in commands)) {
const c = Object.keys(commands).filter(cmd => !cmd.startsWith('_')) const c = commandNames
log.info(`Available commands:\n\n${c.join('\n')}`) log.info(
'Invalid command! Use the --help argument to see a list of commands')
exit(1) exit(1)
return return
} }