在 `base` 目录以及其后代目录中查找匹配 `pattern` 的文件；目录或文件为 `except` 时，除外

node_getAllFiles.js

var path = require('path')
var fs = require('fs')
let pattern
let except
if (process.argv.length == 3) pattern = toRE(process.argv[2])
if (process.argv.length == 4) {
    pattern = toRE(process.argv[2])
    except = toRE(process.argv[3])
}

function toRE(str) {
    return new RegExp(str)
}

/**
 * 在 `base` 目录以及其后代目录中查找匹配 `pattern` 的文件；目录或文件为 `except` 时，除外
 * 类似 glob 的 **\/*.*
 *
 * @param {String} base 目录
 * @param {RegExp} pattern 匹配文件名的正则
 * @param {RegExp} except 查找时除外的目录和文件
 */
function getAllFiles(base, pattern, except) {
    base = base || path.resolve(__dirname, './')
    except = except || /node_modules/
    let arr = []
    let files = fs.readdirSync(base)
    files.forEach(function (file) {
        if (except.test(file)) {
            return
        }
        let pathname = path.join(base, file)
        let stat = fs.lstatSync(pathname)
        if (stat.isDirectory()) {
            arr = arr.concat(getAllFiles(pathname, pattern))
        } else {
            pattern.test(file) && arr.push(pathname)
        }
    })
    console.log(arr.length)
    return arr
}

console.log(getAllFiles(null, pattern || /index/, except))