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Mini Shell
Mini Shell
#!/usr/bin/env node
// const commander = require('commander'); // (normal include)
const commander = require('../'); // include commander in git clone of commander repo
const program = new commander.Command();
// Commander supports nested subcommands.
// .command() can add a subcommand with an action handler or an executable.
// .addCommand() adds a prepared command with an action handler.
// Add nested commands using `.command()`.
const brew = program.command('brew');
brew
.command('tea')
.action(() => {
console.log('brew tea');
});
brew
.command('coffee')
.action(() => {
console.log('brew coffee');
});
// Add nested commands using `.addCommand().
// The command could be created separately in another module.
function makeHeatCommand() {
const heat = new commander.Command('heat');
heat
.command('jug')
.action(() => {
console.log('heat jug');
});
heat
.command('pot')
.action(() => {
console.log('heat pot');
});
return heat;
}
program.addCommand(makeHeatCommand());
program.parse(process.argv);
// Try the following:
// node nestedCommands.js brew tea
// node nestedCommands.js heat jug
Zerion Mini Shell 1.0