setup.js

const fs = require("fs");
const path = require("path");
const childProcess = require("child_process");
const readline = require("readline");
const os = require("os");
const pkg = require("./package.json");

const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});

const answers = {};

const ask = (question, key, defaultAnswer) =>
	new Promise(resolve => {
		const defaults = defaultAnswer || pkg[key];
		rl.question(`${question} (default: ${defaults})\n`, answer => {
			answers[key] = answer || defaults;
			resolve();
		});
	});

const defaultName = path.basename(__dirname);

ask("What is your project name?", "name", path.basename(__dirname))
	.then(() => ask("What is description?", "description", answers.name))
	.then(() =>
		ask("What is repository?", "repository", `cantonjs/${answers.name}`)
	)
	.then(() => ask("Who is the author?", "author"))
	.then(() => {
		rl.close();
		console.log(JSON.stringify(answers, null, 2));
		Object.assign(pkg, answers);

		const pkgFile = path.resolve(__dirname, "package.json");
		const newPkg = JSON.stringify(pkg, null, 2);
		// console.log('\npackage.json:\n', newPkg);
		fs.writeFileSync(pkgFile, newPkg, "utf8");

		const isWindows = /^win32/.test(os.platform());
		const rimrafCommand = isWindows ? "rd /s /q" : "rm -rf";
		const gitDir = path.resolve(__dirname, ".git");
		// console.log(`${rimrafCommand} ${gitDir}`);
		childProcess.exec(`${rimrafCommand} ${gitDir}`);

		console.log("Success.\n");
		console.log("To install dependencies, please run `yarn` manually.\n");

		fs.unlinkSync(__filename);
	})
	.catch(err => {
		throw err;
	});