Nodejs：Path对象

var publicDir = path.resolve(__dirname, ‘./src‘)

var pagesDir  = path.resolve(publicDir, ‘./pages‘)
var staticDir = path.resolve(publicDir, ‘.static‘)
var buildDir  = path.resolve(publicDir, ‘./build‘)
var vendorDir = path.resolve(publicDir, ‘./vendor‘)

module.exports = {
    pagesDir:    path.resolve(publicDir, ‘./pages‘)
    staticDir:   path.resolve(publicDir, ‘.static‘)
    buildDir:    path.resolve(publicDir, ‘./build‘)
    vendorDir:   path.resolve(publicDir, ‘./vendor‘)
}

var path = require(‘path‘);

/*
 * 格式化路径：../返回上一级，所以结果为
 * -->‘/foo/bar/baz/asdf‘
 */
path.normalize(‘/foo/bar//baz/asdf/quux/..‘);

/*
 * 拼接路径：拼接完成后调用normalize()，结果同上
 * -->‘/foo/bar/baz/asdf‘
 */
path.join(‘///foo‘, ‘bar‘, ‘//baz/asdf‘, ‘quux‘, ‘..‘);

/*
 * 路径导航：等于cd一遍每个子路径
 */
path.resolve(‘foo/bar‘, ‘/tmp/file/‘, ‘..‘, ‘a/../subfile‘)

/*
 * 相对路径：b相对于a的路径为：‘../../impl/bbb‘，在a的路径上结果就可以访问到b文件
 * -->‘../../impl/bbb‘
 */
path.relative(‘/data/orandea/test/aaa‘, ‘/data/orandea/impl/bbb‘)

/*
 * 文件夹名称：文件夹所在路径的名称
 * -->‘/foo/bar/baz/asdf‘
 */
path.dirname(‘/foo/bar/baz/asdf/quux‘)    

/*
 * 文件路径：返回指定的文件名，可排除后缀名
 * -->‘quux‘
 */
path.basename(‘/foo/bar/baz/asdf/quux.html‘, ‘.html‘)

/*
 * 拓展名：返回文件拓展名
 */
path.extname(‘index.html‘)    //    ‘.html‘
path.extname(‘index.‘)        //    ‘.‘
path.extname(‘index‘)        //    ‘‘

module.exports = {
    entry: [],
    output:{
        path: buildDir,
          filename: ‘[name]/entry.js‘
    }
};