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					80 lines
				
				2.3 KiB
			
		
		
			
		
	
	
					80 lines
				
				2.3 KiB
			| 
											3 years ago
										 | 'use strict' | ||
|  | 
 | ||
|  | const fs = require('graceful-fs') | ||
|  | const os = require('os') | ||
|  | const path = require('path') | ||
|  | 
 | ||
|  | // HFS, ext{2,3}, FAT do not, Node.js v0.10 does not
 | ||
|  | function hasMillisResSync () { | ||
|  |   let tmpfile = path.join('millis-test-sync' + Date.now().toString() + Math.random().toString().slice(2)) | ||
|  |   tmpfile = path.join(os.tmpdir(), tmpfile) | ||
|  | 
 | ||
|  |   // 550 millis past UNIX epoch
 | ||
|  |   const d = new Date(1435410243862) | ||
|  |   fs.writeFileSync(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141') | ||
|  |   const fd = fs.openSync(tmpfile, 'r+') | ||
|  |   fs.futimesSync(fd, d, d) | ||
|  |   fs.closeSync(fd) | ||
|  |   return fs.statSync(tmpfile).mtime > 1435410243000 | ||
|  | } | ||
|  | 
 | ||
|  | function hasMillisRes (callback) { | ||
|  |   let tmpfile = path.join('millis-test' + Date.now().toString() + Math.random().toString().slice(2)) | ||
|  |   tmpfile = path.join(os.tmpdir(), tmpfile) | ||
|  | 
 | ||
|  |   // 550 millis past UNIX epoch
 | ||
|  |   const d = new Date(1435410243862) | ||
|  |   fs.writeFile(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141', err => { | ||
|  |     if (err) return callback(err) | ||
|  |     fs.open(tmpfile, 'r+', (err, fd) => { | ||
|  |       if (err) return callback(err) | ||
|  |       fs.futimes(fd, d, d, err => { | ||
|  |         if (err) return callback(err) | ||
|  |         fs.close(fd, err => { | ||
|  |           if (err) return callback(err) | ||
|  |           fs.stat(tmpfile, (err, stats) => { | ||
|  |             if (err) return callback(err) | ||
|  |             callback(null, stats.mtime > 1435410243000) | ||
|  |           }) | ||
|  |         }) | ||
|  |       }) | ||
|  |     }) | ||
|  |   }) | ||
|  | } | ||
|  | 
 | ||
|  | function timeRemoveMillis (timestamp) { | ||
|  |   if (typeof timestamp === 'number') { | ||
|  |     return Math.floor(timestamp / 1000) * 1000 | ||
|  |   } else if (timestamp instanceof Date) { | ||
|  |     return new Date(Math.floor(timestamp.getTime() / 1000) * 1000) | ||
|  |   } else { | ||
|  |     throw new Error('fs-extra: timeRemoveMillis() unknown parameter type') | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | function utimesMillis (path, atime, mtime, callback) { | ||
|  |   // if (!HAS_MILLIS_RES) return fs.utimes(path, atime, mtime, callback)
 | ||
|  |   fs.open(path, 'r+', (err, fd) => { | ||
|  |     if (err) return callback(err) | ||
|  |     fs.futimes(fd, atime, mtime, futimesErr => { | ||
|  |       fs.close(fd, closeErr => { | ||
|  |         if (callback) callback(futimesErr || closeErr) | ||
|  |       }) | ||
|  |     }) | ||
|  |   }) | ||
|  | } | ||
|  | 
 | ||
|  | function utimesMillisSync (path, atime, mtime) { | ||
|  |   const fd = fs.openSync(path, 'r+') | ||
|  |   fs.futimesSync(fd, atime, mtime) | ||
|  |   return fs.closeSync(fd) | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = { | ||
|  |   hasMillisRes, | ||
|  |   hasMillisResSync, | ||
|  |   timeRemoveMillis, | ||
|  |   utimesMillis, | ||
|  |   utimesMillisSync | ||
|  | } |