documentit/node_modules/fs-extra/lib/util/utimes.js

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2018-01-05 18:48:13 +00:00
var fs = require('graceful-fs')
var path = require('path')
var os = require('os')
// HFS, ext{2,3}, FAT do not, Node.js v0.10 does not
function hasMillisResSync () {
var 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
var d = new Date(1435410243862)
fs.writeFileSync(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141')
var fd = fs.openSync(tmpfile, 'r+')
fs.futimesSync(fd, d, d)
fs.closeSync(fd)
return fs.statSync(tmpfile).mtime > 1435410243000
}
function hasMillisRes (callback) {
var tmpfile = path.join('millis-test' + Date.now().toString() + Math.random().toString().slice(2))
tmpfile = path.join(os.tmpdir(), tmpfile)
// 550 millis past UNIX epoch
var d = new Date(1435410243862)
fs.writeFile(tmpfile, 'https://github.com/jprichardson/node-fs-extra/pull/141', function (err) {
if (err) return callback(err)
fs.open(tmpfile, 'r+', function (err, fd) {
if (err) return callback(err)
fs.futimes(fd, d, d, function (err) {
if (err) return callback(err)
fs.close(fd, function (err) {
if (err) return callback(err)
fs.stat(tmpfile, function (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+', function (err, fd) {
if (err) return callback(err)
fs.futimes(fd, atime, mtime, function (err) {
if (err) return callback(err)
fs.close(fd, callback)
})
})
}
module.exports = {
hasMillisRes: hasMillisRes,
hasMillisResSync: hasMillisResSync,
timeRemoveMillis: timeRemoveMillis,
utimesMillis: utimesMillis
}