diff options
Diffstat (limited to 'deps/npm/node_modules/update-notifier/node_modules/configstore/node_modules/write-file-atomic/index.js')
-rw-r--r-- | deps/npm/node_modules/update-notifier/node_modules/configstore/node_modules/write-file-atomic/index.js | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/deps/npm/node_modules/update-notifier/node_modules/configstore/node_modules/write-file-atomic/index.js b/deps/npm/node_modules/update-notifier/node_modules/configstore/node_modules/write-file-atomic/index.js deleted file mode 100644 index 7bacf32ad0..0000000000 --- a/deps/npm/node_modules/update-notifier/node_modules/configstore/node_modules/write-file-atomic/index.js +++ /dev/null @@ -1,129 +0,0 @@ -'use strict' -module.exports = writeFile -module.exports.sync = writeFileSync -module.exports._getTmpname = getTmpname // for testing - -var fs = require('graceful-fs') -var chain = require('slide').chain -var MurmurHash3 = require('imurmurhash') -var extend = Object.assign || require('util')._extend - -var invocations = 0 -function getTmpname (filename) { - return filename + '.' + - MurmurHash3(__filename) - .hash(String(process.pid)) - .hash(String(++invocations)) - .result() -} - -function writeFile (filename, data, options, callback) { - if (options instanceof Function) { - callback = options - options = null - } - if (!options) options = {} - fs.realpath(filename, function (_, realname) { - _writeFile(realname || filename, data, options, callback) - }) -} -function _writeFile (filename, data, options, callback) { - var tmpfile = getTmpname(filename) - - if (options.mode && options.chown) { - return thenWriteFile() - } else { - // Either mode or chown is not explicitly set - // Default behavior is to copy it from original file - return fs.stat(filename, function (err, stats) { - if (err || !stats) return thenWriteFile() - - options = extend({}, options) - if (!options.mode) { - options.mode = stats.mode - } - if (!options.chown && process.getuid) { - options.chown = { uid: stats.uid, gid: stats.gid } - } - return thenWriteFile() - }) - } - - function thenWriteFile () { - chain([ - [writeFileAsync, tmpfile, data, options.mode, options.encoding || 'utf8'], - options.chown && [fs, fs.chown, tmpfile, options.chown.uid, options.chown.gid], - options.mode && [fs, fs.chmod, tmpfile, options.mode], - [fs, fs.rename, tmpfile, filename] - ], function (err) { - err ? fs.unlink(tmpfile, function () { callback(err) }) - : callback() - }) - } - - // doing this instead of `fs.writeFile` in order to get the ability to - // call `fsync`. - function writeFileAsync (file, data, mode, encoding, cb) { - fs.open(file, 'w', options.mode, function (err, fd) { - if (err) return cb(err) - if (Buffer.isBuffer(data)) { - return fs.write(fd, data, 0, data.length, 0, syncAndClose) - } else if (data != null) { - return fs.write(fd, String(data), 0, String(encoding), syncAndClose) - } else { - return syncAndClose() - } - function syncAndClose (err) { - if (err) return cb(err) - fs.fsync(fd, function (err) { - if (err) return cb(err) - fs.close(fd, cb) - }) - } - }) - } -} - -function writeFileSync (filename, data, options) { - if (!options) options = {} - try { - filename = fs.realpathSync(filename) - } catch (ex) { - // it's ok, it'll happen on a not yet existing file - } - var tmpfile = getTmpname(filename) - - try { - if (!options.mode || !options.chown) { - // Either mode or chown is not explicitly set - // Default behavior is to copy it from original file - try { - var stats = fs.statSync(filename) - options = extend({}, options) - if (!options.mode) { - options.mode = stats.mode - } - if (!options.chown && process.getuid) { - options.chown = { uid: stats.uid, gid: stats.gid } - } - } catch (ex) { - // ignore stat errors - } - } - - var fd = fs.openSync(tmpfile, 'w', options.mode) - if (Buffer.isBuffer(data)) { - fs.writeSync(fd, data, 0, data.length, 0) - } else if (data != null) { - fs.writeSync(fd, String(data), 0, String(options.encoding || 'utf8')) - } - fs.fsyncSync(fd) - fs.closeSync(fd) - if (options.chown) fs.chownSync(tmpfile, options.chown.uid, options.chown.gid) - if (options.mode) fs.chmodSync(tmpfile, options.mode) - fs.renameSync(tmpfile, filename) - } catch (err) { - try { fs.unlinkSync(tmpfile) } catch (e) {} - throw err - } -} |