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cli.js
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cli.js
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#!/usr/bin/env node
const { join } = require('path');
const [,, ...args] = process.argv;
const argv = require('yargs-parser')(args);
const { name, version } = require('./package.json');
process.on('unhandledRejection', console.error);
/**
* Entry point of CLI application
*/
(async() => {
try {
if (argv.v || argv.version) {
console.log(name, version);
return;
}
const program = getProgram(argv);
const result = await program(argv);
result && console.log(result);
} catch (error) {
console.error(error);
process.exit(1);
}
})();
function getProgram({_: [program]}) {
try {
const route = join(__dirname, `programs/${program}/cli.js`);
return require(route);
} catch (error) {
if (`${error.message}`.toLowerCase().includes('cannot find module')) {
console.error(`Can not find program "${program}"`);
console.error(error);
process.exit(1);
} else {
throw error;
}
}
}