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Simple commander CLI template
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| #!/usr/bin/env node | |
| // | |
| // exmaple commander cli | |
| // | |
| require('dotenv').config(); | |
| const cli = require('commander').version(require('../package.json').version); | |
| const makeInt = v => parseInt(v); | |
| cli | |
| .command(`hash <password>`) | |
| .description('generate a password hash') | |
| .option('--work <workFactor>', 'Password hash difficulty', makeInt, 8) | |
| .action(async (password, opts) => { | |
| console.log(`{"password": "${await hash(password, opts.work)}"}`); | |
| }); | |
| ///////////////////////////////////////////////// | |
| // error on unknown commands | |
| cli.on('command:*', function() { | |
| console.error(`\nInvalid command: ${cli.args[0]}`); | |
| process.exit(1); | |
| }); | |
| cli.parse(process.argv); | |
| if (!cli.args.length) { | |
| cli.outputHelp(); | |
| console.log(); | |
| process.exit(1); | |
| } |
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