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