kry001/lib/init.js

A lightweight javascript plugin CLI.

const fse = require('fs-extra')
const ora = require('ora')
const chalk = require('chalk')
const symbols = require('log-symbols')
const inquirer = require('inquirer')
const handlebars = require('handlebars')
const path = require('path')

const dlTemplate = require('./download')

async function initProject(projectName) {
	try {
		const exists = await fse.pathExists(projectName)
		if (exists) {
			console.log(symbols.error, chalk.red('The project already exists.'))
		} else {
			inquirer
				.prompt([
					{
						type: 'input',
						name: 'name',
						message: 'Set a global name for javascript plugin?',
						default: 'Default',
					},
				])
				.then(async (answers) => {
					const initSpinner = ora(chalk.cyan('Initializing project...'))
					initSpinner.start()

					const templatePath = path.resolve(__dirname, '../template/')
					const processPath = process.cwd()
					const LCProjectName = projectName.toLowerCase()
					const targetPath = `${processPath}/${LCProjectName}`

					const exists = await fse.pathExists(templatePath)
					if (!exists) {
						await dlTemplate()
					}

					try {
						await fse.copy(templatePath, targetPath)
					} catch (err) {
						console.log(symbols.error, chalk.red(`Copy template failed. ${err}`))
						process.exit()
					}

          const multiMeta = {
            project_name: LCProjectName,
            global_name: answers.name
          }
          const multiFiles = [
            `${targetPath}/package.json`,
            `${targetPath}/gulpfile.js`,
            `${targetPath}/test/index.html`,
            `${targetPath}/src/index.js`
          ]

          for (var i = 0;i < multiFiles.length;i++){
						try {
							const multiFilesContent = await fse.readFile(multiFiles[i], 'utf8')
							const multiFilesResult = await handlebars.compile(multiFilesContent)(multiMeta)
							await fse.outputFile(multiFiles[i], multiFilesResult)
						} catch (err) {
							initSpinner.text = chalk.red(`Initialize project failed. ${err}`)
							initSpinner.fail()
							process.exit()
						}
          }

					initSpinner.text = 'Initialize project successful.'
					initSpinner.succeed()
					console.log(`
To get started:

	cd ${chalk.yellow(LCProjectName)}
	${chalk.yellow('npm install')} or ${chalk.yellow('yarn install')}
	${chalk.yellow('npm run dev')} or ${chalk.yellow('yarn run dev')}
					`)
				})
				.catch((error) => {
					if (error.isTtyError) {
						console.log(symbols.error,chalk.red("Prompt couldn't be rendered in the current environment.")
						)
					} else {
						console.log(symbols.error, chalk.red(error))
					}
				})
		}
	} catch (err) {
		console.error(err)
		process.exit()
	}
}

module.exports = initProject