Sha256: dcf8cb5123f9132f804e1f32a503a5e302d758efa348783e93cb35bf2743ef8a
Contents?: true
Size: 1.39 KB
Versions: 62
Compression:
Stored size: 1.39 KB
Contents
'use strict'
var fs = require('graceful-fs');
var chain = require('slide').chain;
var crypto = require('crypto');
var md5hex = function () {
var hash = crypto.createHash('md5');
for (var ii=0; ii<arguments.length; ++ii) hash.update(''+arguments[ii])
return hash.digest('hex')
}
var invocations = 0;
var getTmpname = function (filename) {
return filename + "." + md5hex(__filename, process.pid, ++invocations)
}
module.exports = function writeFile(filename, data, options, callback) {
if (options instanceof Function) {
callback = options;
options = null;
}
if (!options) options = {};
var tmpfile = getTmpname(filename);
chain([
[fs, fs.writeFile, tmpfile, data, options],
options.chown && [fs, fs.chown, tmpfile, options.chown.uid, options.chown.gid],
[fs, fs.rename, tmpfile, filename]
], function (err) {
err ? fs.unlink(tmpfile, function () { callback(err) })
: callback()
})
}
module.exports.sync = function writeFileSync(filename, data, options) {
if (!options) options = {};
var tmpfile = getTmpname(filename);
try {
fs.writeFileSync(tmpfile, data, options);
if (options.chown) fs.chownSync(tmpfile, options.chown.uid, options.chown.gid);
fs.renameSync(tmpfile, filename);
}
catch (err) {
try { fs.unlinkSync(tmpfile) } catch(e) {}
throw err;
}
}
Version data entries
62 entries across 62 versions & 1 rubygems