2020-09-19 16:43:18 +08:00
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/**
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* @author yutent<yutent.io@gmail.com>
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* @date 2020/09/19 16:39:59
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*/
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import FS from 'fs'
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import PATH from 'path'
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2020-09-21 16:57:40 +08:00
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class STATS {
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isFile() {
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return false
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}
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isDirectory() {
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return false
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}
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isSocket() {
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return false
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}
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isSymbolicLink() {
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return false
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}
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}
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2022-10-12 14:16:06 +08:00
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const VERSION = +process.versions.node.split('.').slice(0, 2).join('.')
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2020-09-21 16:57:40 +08:00
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const EMPTY_STAT = new STATS()
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2020-09-19 16:43:18 +08:00
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export default {
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origin: FS,
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/**
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* [cat 文件读取]
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* @param {String} file [文件路径]
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* @param {Function} cb [回调] 可选
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*/
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2020-09-21 16:57:40 +08:00
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cat(file, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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return FS.readFileSync(file)
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call cat(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return null
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}
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},
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/**
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* [ls 读取整个目录(不遍历子目录)]
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* @param {string} dir [目标路径]
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* @param {boolean} recursive [是否递归遍历子目录]
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* @return {array} [返回目标目录所有文件名和子目录名, 不包括'.'和'..']
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*/
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2020-09-21 16:57:40 +08:00
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ls(dir, recursive, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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var list = FS.readdirSync(dir)
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list.forEach((it, i) => {
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list[i] = PATH.resolve(dir, it)
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})
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if (recursive) {
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var tmp = list.concat()
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tmp.forEach(it => {
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if (this.isdir(it)) {
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2020-12-15 18:12:43 +08:00
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list = list.concat(this.ls(it, recursive))
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2020-09-19 16:43:18 +08:00
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}
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})
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}
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return list
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call ls(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return null
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}
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},
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/**
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* [echo 写文件]
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* @param {String|Buffer|Number} data [要写入的数据]
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* @param {String} file [要写的文件]
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* @param {Boolean} append [是否在后面追加,默认否]
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* @param {String} encode [编码, 默认utf8]
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*/
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2020-09-21 16:57:40 +08:00
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echo(data, file, append, encode, debug) {
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2020-09-19 16:43:18 +08:00
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if (!file) {
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return data
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}
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var updir = PATH.parse(file).dir
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var opt = {}
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if (!this.isdir(updir)) {
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this.mkdir(updir)
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}
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if (append && typeof append === 'string') {
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encode = append
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append = false
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opt.encoding = encode
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} else {
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if (typeof encode === 'string') {
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opt.encoding = encode
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}
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}
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try {
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if (!!append) {
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FS.appendFileSync(file, data, opt)
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} else {
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FS.writeFileSync(file, data, opt)
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}
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call echo(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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//修改权限
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2020-09-21 16:57:40 +08:00
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chmod(path, mode, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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FS.chmodSync(path, mode)
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call chmod(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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//修改所属用户
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2020-09-21 16:57:40 +08:00
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chown(path, uid, gid, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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FS.chownSync(path, uid, gid)
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call chown(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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/**
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* [mv 移动文件&目录,兼具重命名功能]
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* @param {String} origin [原路径/原名]
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* @param {String} target [目标路径/新名]
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*/
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2020-09-21 16:57:40 +08:00
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mv(origin, target, debug) {
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2020-09-19 16:43:18 +08:00
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var updir = PATH.parse(target).dir
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if (!this.isdir(updir)) {
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this.mkdir(updir)
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}
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try {
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FS.renameSync(origin, target)
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} catch (err) {
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if (~err.message.indexOf('cross-device')) {
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if (this.cp(origin, target)) {
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return this.rm(origin)
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}
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return false
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}
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2020-09-21 16:57:40 +08:00
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debug && console.error('call mv(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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/**
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* [cp 复制文件&目录]
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* @param {String} origin [原路径]
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* @param {String} target [目标路径]
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*/
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2020-09-21 16:57:40 +08:00
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cp(origin, target, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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// 如果是目录, 则递归操作
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if (this.isdir(origin)) {
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this.mkdir(target)
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var list = this.ls(origin)
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list.forEach(val => {
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let name = PATH.parse(val).base
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this.cp(val, PATH.join(target, name))
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})
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} else {
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var updir = PATH.parse(target).dir
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if (!this.isdir(updir)) {
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this.mkdir(updir)
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}
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var rs = FS.createReadStream(origin)
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var ws = FS.createWriteStream(target)
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rs.pipe(ws)
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}
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call cp(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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/**
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* [rm 删除文件/目录]
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* @param {[type]} origin [源文件/目录路径]
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*/
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2020-09-21 16:57:40 +08:00
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rm(origin, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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2022-10-12 14:16:06 +08:00
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if (VERSION >= 14.14) {
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FS.rmSync(origin, { recursive: true })
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} else {
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if (this.isdir(origin)) {
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2020-09-19 16:43:18 +08:00
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var list = this.ls(origin)
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list.forEach(it => this.rm(it))
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FS.rmdirSync(origin)
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2022-10-12 14:16:06 +08:00
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} else {
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FS.unlinkSync(origin)
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2020-09-19 16:43:18 +08:00
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}
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}
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call rm(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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/**
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* [stat 返回文件/目录的状态信息]
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* @param {[string]} path [目标路径]
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2020-09-21 16:57:40 +08:00
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* @param {[boolean]} debug [是否静默检测, 是否不打印错误日志]
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2020-09-19 16:43:18 +08:00
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*/
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2020-09-21 16:57:40 +08:00
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stat(path, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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return FS.statSync(path)
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call stat(): ', err + '')
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return EMPTY_STAT
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2020-09-19 16:43:18 +08:00
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}
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},
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/**
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* [isdir 判断目标是否为目录]
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* @param {String} path [目标路径]
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*/
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isdir(path) {
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try {
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2020-09-21 16:57:40 +08:00
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return this.stat(path).isDirectory()
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} catch (err) {
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return false
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}
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},
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isfile(path) {
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try {
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return this.stat(path).isFile()
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2020-09-19 16:43:18 +08:00
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} catch (err) {
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return false
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}
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},
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/**
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* [mkdir 新建目录]
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* @param {String} dir [目标路径]
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* @param {Number} mode [目录权限, node v10.12起支持]
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*/
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2020-09-21 16:57:40 +08:00
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mkdir(dir, mode = 0o755, debug) {
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2020-09-19 16:43:18 +08:00
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try {
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if (VERSION > 10.12) {
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FS.mkdirSync(dir, { recursive: true, mode: mode })
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} else {
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var updir = PATH.parse(dir).dir
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if (!updir) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call mkdir(): ', 'Wrong dir path')
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2020-09-19 16:43:18 +08:00
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return false
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}
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if (!this.isdir(updir)) {
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this.mkdir(updir)
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}
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FS.mkdirSync(dir)
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this.chmod(dir, mode)
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}
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return true
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} catch (err) {
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2020-09-21 16:57:40 +08:00
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debug && console.error('call mkdir(): ', err + '')
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2020-09-19 16:43:18 +08:00
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return false
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}
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},
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/**
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* [exists 判断目标(文件/目录)是否存在]
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* @param {String} file [目标路径]
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*/
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exists(file) {
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2020-10-07 00:07:12 +08:00
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return this.is(file, FS.constants.F_OK)
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2020-09-21 16:57:40 +08:00
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},
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// 是否可读写
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is(file, mode) {
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try {
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FS.accessSync(file, mode)
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return true
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} catch (e) {
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return false
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}
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2020-09-19 16:43:18 +08:00
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}
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}
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