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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,78 +1,69 @@ | ||
| const fs = require('fs'); | ||
| const fsPromises = require('fs').promises; | ||
| const pt = require('path'); | ||
| const fsFun = {}; | ||
|
|
||
| //(读取类) | ||
| ['mkdir', 'rmdir', 'readdir', 'readFile', 'copyFile', 'unlink', 'exists', 'stat'].forEach(function (item) { | ||
| fsFun[item] = function (pathname, copypath) { | ||
| return new Promise(function (resolve, reject) { | ||
| let arg = [function (err, data) { | ||
| if (item === 'exists') { | ||
| return resolve(err); | ||
| } | ||
| if (err) { | ||
| return reject(err); | ||
| } | ||
| resolve(data || true); | ||
| }]; | ||
| item === 'readFile' ? arg.unshift(copypath || 'utf8') : null; | ||
| item === 'copyFile' ? arg.unshift(copypath || '') : null; | ||
| fs[item](pathname, ...arg) | ||
| }); | ||
| // 是否存在 | ||
| const exists = async path => { | ||
| try { | ||
| await fsPromises.stat(path); | ||
| return true; | ||
| } catch(err) { | ||
| if(err.code === 'ENOENT') { | ||
| return false; | ||
| } | ||
| throw err; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| //(写入类) | ||
| ['writeFile', 'appendFile'].forEach(function (item) { | ||
| fsFun[item] = function (pathname, content, charset='utf8') { | ||
| if (typeof content !== 'string') { | ||
| content = JSON.stringify(content) | ||
| }; | ||
| return new Promise(function (resolve, reject) { | ||
| fs[item](pathname, content, charset, function(err, data){ | ||
| if (err) { | ||
| return reject(err); | ||
| } | ||
| resolve(data || ''); | ||
| }); | ||
| }); | ||
| // 是否文件 | ||
| const isFile = async path => { | ||
| try { | ||
| const stats = await fsPromises.stat(path); | ||
| return stats.isFile(); | ||
| } catch(err) { | ||
| if(err.code === 'ENOENT') { | ||
| return false; | ||
| } | ||
| throw err; | ||
| } | ||
| }); | ||
|
|
||
| //(判断类) | ||
| fsFun.isFileSync = (path) => {return fs.existsSync(path) && fs.statSync(path).isFile();} | ||
| fsFun.isDirSync = (path) => {return fs.existsSync(path) && fs.statSync(path).isDirectory();} | ||
| } | ||
| const isFileSync = path => { | ||
| return fs.existsSync(path) && fs.statSync(path).isFile(); | ||
| } | ||
|
|
||
| ['isFile', 'isDir'].forEach(function (item) { | ||
| fsFun[item] = function (pathname) { | ||
| return new Promise(function (resolve, reject) { | ||
| fsFun.exists(pathname).then((result) => { | ||
| if (!result) { | ||
| resolve(result); | ||
| } else { | ||
| fsFun.stat(pathname).then((result) => { | ||
| resolve(item === 'isFile' ? result.isFile() : result.isDirectory()); | ||
| }).catch((error) => { | ||
| reject(error); | ||
| }); | ||
| } | ||
| }).catch((error) => { | ||
| reject(error); | ||
| }); | ||
| }); | ||
| // 是否目录 | ||
| const isDir = async path => { | ||
| try { | ||
| const stats = await fsPromises.stat(path); | ||
| return stats.isDirectory(); | ||
| } catch(err) { | ||
| if(err.code === 'ENOENT') { | ||
| return false; | ||
| } | ||
| throw err; | ||
| } | ||
| }); | ||
| } | ||
| const isDirSync = path => { | ||
| return fs.existsSync(path) && fs.statSync(path).isDirectory(); | ||
| } | ||
|
|
||
| //(多级目录生成) | ||
| fsFun.mkdirs = async function (dirname) { | ||
| if(await fsFun.isDir(dirname)) { | ||
| // 生成多级目录 | ||
| const mkdirs = async function (dirname) { | ||
| if(await isDir(dirname)) { | ||
| return true; | ||
| } else { | ||
| if(await fsFun.mkdirs(pt.dirname(dirname))) { | ||
| await fsFun.mkdir(dirname); | ||
| if(await mkdirs(pt.dirname(dirname))) { | ||
| await fsPromises.mkdir(dirname); | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| module.exports = fsFun; | ||
| module.exports = { | ||
| exists, | ||
| isFile, | ||
| isFileSync, | ||
| isDir, | ||
| isDirSync, | ||
| mkdirs | ||
| }; |
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