create.js

const chalk = require('chalk');
const path = require('path')
const fs = require('fs')

const log = (message) => console.log(chalk.green(message));
const successLog = (message) => console.log(chalk.blue(message));
const errorLog = (message) => console.log(chalk.red(message));
const resolve = (...file) => path.resolve(__dirname, ...file)
// 导入模板
const {
    vueTemplate,
    entryTemplate
} = require('./src/template/index')

// 生成文件
const generateFile = (path, data) => {
    if (fs.existsSync(path)) {
        errorLog(`${path}文件已存在`)
        return
    }

    return new Promise((res, rej) => {
        fs.writeFile(path, data, 'utf8', err => {
            if (err) {
                errorLog(err.message)
                rej(err)
            } else {
                res(true)
            }
        })
    })
}

log('请输入想要创建的文件:')
let componentName = ''
process.stdin.on('data', async function (chunk){
    // 组件名称
    const inputName = String(chunk).trim().toString()
    // Vue页面组件路径
    const componentPath = resolve('./src/views', inputName)
    // vue文件
    const vueFile = resolve(componentPath, 'main.vue')
    // 入口文件
    const entryFile = resolve(componentPath, 'entry.js')
    // 判断组件文件夹是否存在
    const hasComponentExists = fs.existsSync(componentPath)
    if (hasComponentExists) {
        errorLog(`${inputName}页面组件已存在， 请重新输入`)
        return
    } else {
        log(`正在生成component目录 ${componentPath}`)
        await dotExistDirectoryCreate(componentPath)
    }

    try {
        // 获取组件名
        if (inputName.includes('/')) {
            const inputNameArr = inputName.split('/')
            componentName = inputNameArr[inputNameArr.length - 1]
        } else {
            componentName = inputName
        }
        log(`正在生成vue文件 ${vueFile}`)
        await generateFile(vueFile, vueTemplate(componentName))
        successLog('生成组件成功')
        await generateFile(entryFile, entryTemplate(componentName))
    } catch(err) {
        errorLog(err.message)
    }

    process.stdin.emit('end')
})

process.stdin.on('end', () => {
    log('exit')
    process.exit()
})

function dotExistDirectoryCreate(directory) {
    return new Promise((resolve) => {
        mkdir(directory, function () {
            resolve(true)
        })
    })
}

function mkdir(directory, callback) {
    var exists = fs.existsSync(directory)
    if (exists) {
        callback()
    } else {
        mkdir(path.dirname(directory), function () {
            fs.mkdirSync(directory)
            callback()
        })
    }
}