Added Gulp.js for compiling SCSS stylesheets

node_modules/vinyl-fs/lib/constants.js

@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = {
+  MASK_MODE: parseInt('7777', 8),
+  DEFAULT_FILE_MODE: parseInt('0666', 8),
+};

node_modules/vinyl-fs/lib/dest/index.js

@@ -0,0 +1,45 @@
+'use strict';
+
+var lead = require('lead');
+var pumpify = require('pumpify');
+var mkdirpStream = require('fs-mkdirp-stream');
+var createResolver = require('resolve-options');
+
+var config = require('./options');
+var prepare = require('./prepare');
+var sourcemap = require('./sourcemap');
+var writeContents = require('./write-contents');
+
+var folderConfig = {
+  outFolder: {
+    type: 'string',
+  },
+};
+
+function dest(outFolder, opt) {
+  if (!outFolder) {
+    throw new Error('Invalid dest() folder argument.' +
+      ' Please specify a non-empty string or a function.');
+  }
+
+  var optResolver = createResolver(config, opt);
+  var folderResolver = createResolver(folderConfig, { outFolder: outFolder });
+
+  function dirpath(file, callback) {
+    var dirMode = optResolver.resolve('dirMode', file);
+
+    callback(null, file.dirname, dirMode);
+  }
+
+  var saveStream = pumpify.obj(
+    prepare(folderResolver, optResolver),
+    sourcemap(optResolver),
+    mkdirpStream.obj(dirpath),
+    writeContents(optResolver)
+  );
+
+  // Sink the output stream to start flowing
+  return lead(saveStream);
+}
+
+module.exports = dest;

node_modules/vinyl-fs/lib/dest/options.js

@@ -0,0 +1,41 @@
+'use strict';
+
+var config = {
+  cwd: {
+    type: 'string',
+    default: process.cwd,
+  },
+  mode: {
+    type: 'number',
+    default: function(file) {
+      return file.stat ? file.stat.mode : null;
+    },
+  },
+  dirMode: {
+    type: 'number',
+  },
+  overwrite: {
+    type: 'boolean',
+    default: true,
+  },
+  append: {
+    type: 'boolean',
+    default: false,
+  },
+  sourcemaps: {
+    type: ['string', 'boolean'],
+    default: false,
+  },
+  // Symlink options
+  relativeSymlinks: {
+    type: 'boolean',
+    default: false,
+  },
+  // This option is ignored on non-Windows platforms
+  useJunctions: {
+    type: 'boolean',
+    default: true,
+  },
+};
+
+module.exports = config;

node_modules/vinyl-fs/lib/dest/prepare.js

@@ -0,0 +1,48 @@
+'use strict';
+
+var path = require('path');
+
+var fs = require('graceful-fs');
+var Vinyl = require('vinyl');
+var through = require('through2');
+
+function prepareWrite(folderResolver, optResolver) {
+  if (!folderResolver) {
+    throw new Error('Invalid output folder');
+  }
+
+  function normalize(file, enc, cb) {
+    if (!Vinyl.isVinyl(file)) {
+      return cb(new Error('Received a non-Vinyl object in `dest()`'));
+    }
+
+    // TODO: Remove this after people upgrade vinyl/transition from gulp-util
+    if (typeof file.isSymbolic !== 'function') {
+      file = new Vinyl(file);
+    }
+
+    var outFolderPath = folderResolver.resolve('outFolder', file);
+    if (!outFolderPath) {
+      return cb(new Error('Invalid output folder'));
+    }
+    var cwd = path.resolve(optResolver.resolve('cwd', file));
+    var basePath = path.resolve(cwd, outFolderPath);
+    var writePath = path.resolve(basePath, file.relative);
+
+    // Wire up new properties
+    file.cwd = cwd;
+    file.base = basePath;
+    file.path = writePath;
+    if (!file.isSymbolic()) {
+      var mode = optResolver.resolve('mode', file);
+      file.stat = (file.stat || new fs.Stats());
+      file.stat.mode = mode;
+    }
+
+    cb(null, file);
+  }
+
+  return through.obj(normalize);
+}
+
+module.exports = prepareWrite;

node_modules/vinyl-fs/lib/dest/sourcemap.js

@@ -0,0 +1,38 @@
+'use strict';
+
+var through = require('through2');
+var sourcemap = require('vinyl-sourcemap');
+
+function sourcemapStream(optResolver) {
+
+  function saveSourcemap(file, enc, callback) {
+    var self = this;
+
+    var srcMap = optResolver.resolve('sourcemaps', file);
+
+    if (!srcMap) {
+      return callback(null, file);
+    }
+
+    var srcMapLocation = (typeof srcMap === 'string' ? srcMap : undefined);
+
+    sourcemap.write(file, srcMapLocation, onWrite);
+
+    function onWrite(sourcemapErr, updatedFile, sourcemapFile) {
+      if (sourcemapErr) {
+        return callback(sourcemapErr);
+      }
+
+      self.push(updatedFile);
+      if (sourcemapFile) {
+        self.push(sourcemapFile);
+      }
+
+      callback();
+    }
+  }
+
+  return through.obj(saveSourcemap);
+}
+
+module.exports = sourcemapStream;

node_modules/vinyl-fs/lib/dest/write-contents/index.js

@@ -0,0 +1,59 @@
+'use strict';
+
+var through = require('through2');
+
+var writeDir = require('./write-dir');
+var writeStream = require('./write-stream');
+var writeBuffer = require('./write-buffer');
+var writeSymbolicLink = require('./write-symbolic-link');
+
+var fo = require('../../file-operations');
+
+function writeContents(optResolver) {
+
+  function writeFile(file, enc, callback) {
+    // Write it as a symlink
+    if (file.isSymbolic()) {
+      return writeSymbolicLink(file, optResolver, onWritten);
+    }
+
+    // If directory then mkdirp it
+    if (file.isDirectory()) {
+      return writeDir(file, optResolver, onWritten);
+    }
+
+    // Stream it to disk yo
+    if (file.isStream()) {
+      return writeStream(file, optResolver, onWritten);
+    }
+
+    // Write it like normal
+    if (file.isBuffer()) {
+      return writeBuffer(file, optResolver, onWritten);
+    }
+
+    // If no contents then do nothing
+    if (file.isNull()) {
+      return onWritten();
+    }
+
+    // This is invoked by the various writeXxx modules when they've finished
+    // writing the contents.
+    function onWritten(writeErr) {
+      var flags = fo.getFlags({
+        overwrite: optResolver.resolve('overwrite', file),
+        append: optResolver.resolve('append', file),
+      });
+      if (fo.isFatalOverwriteError(writeErr, flags)) {
+        return callback(writeErr);
+      }
+
+      callback(null, file);
+    }
+
+  }
+
+  return through.obj(writeFile);
+}
+
+module.exports = writeContents;

node_modules/vinyl-fs/lib/dest/write-contents/write-buffer.js

@@ -0,0 +1,31 @@
+'use strict';
+
+var fo = require('../../file-operations');
+
+function writeBuffer(file, optResolver, onWritten) {
+  var flags = fo.getFlags({
+    overwrite: optResolver.resolve('overwrite', file),
+    append: optResolver.resolve('append', file),
+  });
+  var opt = {
+    mode: file.stat.mode,
+    flags: flags,
+  };
+
+  fo.writeFile(file.path, file.contents, opt, onWriteFile);
+
+  function onWriteFile(writeErr, fd) {
+    if (writeErr) {
+      return fo.closeFd(writeErr, fd, onWritten);
+    }
+
+    fo.updateMetadata(fd, file, onUpdate);
+
+    function onUpdate(updateErr) {
+      fo.closeFd(updateErr, fd, onWritten);
+    }
+  }
+
+}
+
+module.exports = writeBuffer;

node_modules/vinyl-fs/lib/dest/write-contents/write-dir.js

@@ -0,0 +1,51 @@
+'use strict';
+
+var fs = require('graceful-fs');
+
+var mkdirp = require('fs-mkdirp-stream/mkdirp');
+
+var fo = require('../../file-operations');
+
+function writeDir(file, optResolver, onWritten) {
+  mkdirp(file.path, file.stat.mode, onMkdirp);
+
+  function onMkdirp(mkdirpErr) {
+    if (mkdirpErr) {
+      return onWritten(mkdirpErr);
+    }
+
+    fs.open(file.path, 'r', onOpen);
+  }
+
+  function onOpen(openErr, fd) {
+    // If we don't have access, just move along
+    if (isInaccessible(openErr)) {
+      return fo.closeFd(null, fd, onWritten);
+    }
+
+    if (openErr) {
+      return fo.closeFd(openErr, fd, onWritten);
+    }
+
+    fo.updateMetadata(fd, file, onUpdate);
+
+    function onUpdate(updateErr) {
+      fo.closeFd(updateErr, fd, onWritten);
+    }
+  }
+
+}
+
+function isInaccessible(err) {
+  if (!err) {
+    return false;
+  }
+
+  if (err.code === 'EACCES') {
+    return true;
+  }
+
+  return false;
+}
+
+module.exports = writeDir;

node_modules/vinyl-fs/lib/dest/write-contents/write-stream.js

@@ -0,0 +1,62 @@
+'use strict';
+
+var fo = require('../../file-operations');
+var readStream = require('../../src/read-contents/read-stream');
+
+function writeStream(file, optResolver, onWritten) {
+  var flags = fo.getFlags({
+    overwrite: optResolver.resolve('overwrite', file),
+    append: optResolver.resolve('append', file),
+  });
+  var opt = {
+    mode: file.stat.mode,
+    // TODO: need to test this
+    flags: flags,
+  };
+
+  // TODO: is this the best API?
+  var outStream = fo.createWriteStream(file.path, opt, onFlush);
+
+  file.contents.once('error', onComplete);
+  outStream.once('error', onComplete);
+  outStream.once('finish', onComplete);
+
+  // TODO: should this use a clone?
+  file.contents.pipe(outStream);
+
+  function onComplete(streamErr) {
+    // Cleanup event handlers before closing
+    file.contents.removeListener('error', onComplete);
+    outStream.removeListener('error', onComplete);
+    outStream.removeListener('finish', onComplete);
+
+    // Need to guarantee the fd is closed before forwarding the error
+    outStream.once('close', onClose);
+    outStream.end();
+
+    function onClose(closeErr) {
+      onWritten(streamErr || closeErr);
+    }
+  }
+
+  // Cleanup
+  function onFlush(fd, callback) {
+    // TODO: removing this before readStream because it replaces the stream
+    file.contents.removeListener('error', onComplete);
+
+    // TODO: this is doing sync stuff & the callback seems unnecessary
+    // TODO: Replace the contents stream or use a clone?
+    readStream(file, complete);
+
+    function complete() {
+      if (typeof fd !== 'number') {
+        return callback();
+      }
+
+      fo.updateMetadata(fd, file, callback);
+    }
+  }
+
+}
+
+module.exports = writeStream;

node_modules/vinyl-fs/lib/dest/write-contents/write-symbolic-link.js

@@ -0,0 +1,77 @@
+'use strict';
+
+var os = require('os');
+var path = require('path');
+
+var fo = require('../../file-operations');
+
+var isWindows = (os.platform() === 'win32');
+
+function writeSymbolicLink(file, optResolver, onWritten) {
+  if (!file.symlink) {
+    return onWritten(new Error('Missing symlink property on symbolic vinyl'));
+  }
+
+  var isRelative = optResolver.resolve('relativeSymlinks', file);
+  var flags = fo.getFlags({
+    overwrite: optResolver.resolve('overwrite', file),
+    append: optResolver.resolve('append', file),
+  });
+
+  if (!isWindows) {
+    // On non-Windows, just use 'file'
+    return createLinkWithType('file');
+  }
+
+  fo.reflectStat(file.symlink, file, onReflect);
+
+  function onReflect(statErr) {
+    if (statErr && statErr.code !== 'ENOENT') {
+      return onWritten(statErr);
+    }
+
+    // This option provides a way to create a Junction instead of a
+    // Directory symlink on Windows. This comes with the following caveats:
+    // * NTFS Junctions cannot be relative.
+    // * NTFS Junctions MUST be directories.
+    // * NTFS Junctions must be on the same file system.
+    // * Most products CANNOT detect a directory is a Junction:
+    //    This has the side effect of possibly having a whole directory
+    //    deleted when a product is deleting the Junction directory.
+    //    For example, JetBrains product lines will delete the entire contents
+    //    of the TARGET directory because the product does not realize it's
+    //    a symlink as the JVM and Node return false for isSymlink.
+
+    // This function is Windows only, so we don't need to check again
+    var useJunctions = optResolver.resolve('useJunctions', file);
+
+    var dirType = useJunctions ? 'junction' : 'dir';
+    // Dangling links are always 'file'
+    var type = !statErr && file.isDirectory() ? dirType : 'file';
+
+    createLinkWithType(type);
+  }
+
+  function createLinkWithType(type) {
+    // This is done after prepare() to use the adjusted file.base property
+    if (isRelative && type !== 'junction') {
+      file.symlink = path.relative(file.base, file.symlink);
+    }
+
+    var opts = {
+      flags: flags,
+      type: type,
+    };
+    fo.symlink(file.symlink, file.path, opts, onSymlink);
+
+    function onSymlink(symlinkErr) {
+      if (symlinkErr) {
+        return onWritten(symlinkErr);
+      }
+
+      fo.reflectLinkStat(file.path, file, onWritten);
+    }
+  }
+}
+
+module.exports = writeSymbolicLink;

node_modules/vinyl-fs/lib/file-operations.js

@@ -0,0 +1,496 @@
+'use strict';
+
+var util = require('util');
+
+var fs = require('graceful-fs');
+var assign = require('object.assign');
+var date = require('value-or-function').date;
+var Writable = require('readable-stream').Writable;
+
+var constants = require('./constants');
+
+var APPEND_MODE_REGEXP = /a/;
+
+function closeFd(propagatedErr, fd, callback) {
+  if (typeof fd !== 'number') {
+    return callback(propagatedErr);
+  }
+
+  fs.close(fd, onClosed);
+
+  function onClosed(closeErr) {
+    if (propagatedErr || closeErr) {
+      return callback(propagatedErr || closeErr);
+    }
+
+    callback();
+  }
+}
+
+function isValidUnixId(id) {
+  if (typeof id !== 'number') {
+    return false;
+  }
+
+  if (id < 0) {
+    return false;
+  }
+
+  return true;
+}
+
+function getFlags(options) {
+  var flags = !options.append ? 'w' : 'a';
+  if (!options.overwrite) {
+    flags += 'x';
+  }
+  return flags;
+}
+
+function isFatalOverwriteError(err, flags) {
+  if (!err) {
+    return false;
+  }
+
+  if (err.code === 'EEXIST' && flags[1] === 'x') {
+    // Handle scenario for file overwrite failures.
+    return false;
+  }
+
+  // Otherwise, this is a fatal error
+  return true;
+}
+
+function isFatalUnlinkError(err) {
+  if (!err || err.code === 'ENOENT') {
+    return false;
+  }
+
+  return true;
+}
+
+function getModeDiff(fsMode, vinylMode) {
+  var modeDiff = 0;
+
+  if (typeof vinylMode === 'number') {
+    modeDiff = (vinylMode ^ fsMode) & constants.MASK_MODE;
+  }
+
+  return modeDiff;
+}
+
+function getTimesDiff(fsStat, vinylStat) {
+
+  var mtime = date(vinylStat.mtime) || 0;
+  if (!mtime) {
+    return;
+  }
+
+  var atime = date(vinylStat.atime) || 0;
+  if (+mtime === +fsStat.mtime &&
+      +atime === +fsStat.atime) {
+    return;
+  }
+
+  if (!atime) {
+    atime = date(fsStat.atime) || undefined;
+  }
+
+  var timesDiff = {
+    mtime: vinylStat.mtime,
+    atime: atime,
+  };
+
+  return timesDiff;
+}
+
+function getOwnerDiff(fsStat, vinylStat) {
+  if (!isValidUnixId(vinylStat.uid) &&
+      !isValidUnixId(vinylStat.gid)) {
+    return;
+  }
+
+  if ((!isValidUnixId(fsStat.uid) && !isValidUnixId(vinylStat.uid)) ||
+      (!isValidUnixId(fsStat.gid) && !isValidUnixId(vinylStat.gid))) {
+    return;
+  }
+
+  var uid = fsStat.uid; // Default to current uid.
+  if (isValidUnixId(vinylStat.uid)) {
+    uid = vinylStat.uid;
+  }
+
+  var gid = fsStat.gid; // Default to current gid.
+  if (isValidUnixId(vinylStat.gid)) {
+    gid = vinylStat.gid;
+  }
+
+  if (uid === fsStat.uid &&
+      gid === fsStat.gid) {
+    return;
+  }
+
+  var ownerDiff = {
+    uid: uid,
+    gid: gid,
+  };
+
+  return ownerDiff;
+}
+
+function isOwner(fsStat) {
+  var hasGetuid = (typeof process.getuid === 'function');
+  var hasGeteuid = (typeof process.geteuid === 'function');
+
+  // If we don't have either, assume we don't have permissions.
+  // This should only happen on Windows.
+  // Windows basically noops fchmod and errors on futimes called on directories.
+  if (!hasGeteuid && !hasGetuid) {
+    return false;
+  }
+
+  var uid;
+  if (hasGeteuid) {
+    uid = process.geteuid();
+  } else {
+    uid = process.getuid();
+  }
+
+  if (fsStat.uid !== uid && uid !== 0) {
+    return false;
+  }
+
+  return true;
+}
+
+function reflectStat(path, file, callback) {
+  // Set file.stat to the reflect current state on disk
+  fs.stat(path, onStat);
+
+  function onStat(statErr, stat) {
+    if (statErr) {
+      return callback(statErr);
+    }
+
+    file.stat = stat;
+    callback();
+  }
+}
+
+function reflectLinkStat(path, file, callback) {
+  // Set file.stat to the reflect current state on disk
+  fs.lstat(path, onLstat);
+
+  function onLstat(lstatErr, stat) {
+    if (lstatErr) {
+      return callback(lstatErr);
+    }
+
+    file.stat = stat;
+    callback();
+  }
+}
+
+function updateMetadata(fd, file, callback) {
+
+  fs.fstat(fd, onStat);
+
+  function onStat(statErr, stat) {
+    if (statErr) {
+      return callback(statErr);
+    }
+
+    // Check if mode needs to be updated
+    var modeDiff = getModeDiff(stat.mode, file.stat.mode);
+
+    // Check if atime/mtime need to be updated
+    var timesDiff = getTimesDiff(stat, file.stat);
+
+    // Check if uid/gid need to be updated
+    var ownerDiff = getOwnerDiff(stat, file.stat);
+
+    // Set file.stat to the reflect current state on disk
+    assign(file.stat, stat);
+
+    // Nothing to do
+    if (!modeDiff && !timesDiff && !ownerDiff) {
+      return callback();
+    }
+
+    // Check access, `futimes`, `fchmod` & `fchown` only work if we own
+    // the file, or if we are effectively root (`fchown` only when root).
+    if (!isOwner(stat)) {
+      return callback();
+    }
+
+    if (modeDiff) {
+      return mode();
+    }
+    if (timesDiff) {
+      return times();
+    }
+    owner();
+
+    function mode() {
+      var mode = stat.mode ^ modeDiff;
+
+      fs.fchmod(fd, mode, onFchmod);
+
+      function onFchmod(fchmodErr) {
+        if (!fchmodErr) {
+          file.stat.mode = mode;
+        }
+        if (timesDiff) {
+          return times(fchmodErr);
+        }
+        if (ownerDiff) {
+          return owner(fchmodErr);
+        }
+        callback(fchmodErr);
+      }
+    }
+
+    function times(propagatedErr) {
+      fs.futimes(fd, timesDiff.atime, timesDiff.mtime, onFutimes);
+
+      function onFutimes(futimesErr) {
+        if (!futimesErr) {
+          file.stat.atime = timesDiff.atime;
+          file.stat.mtime = timesDiff.mtime;
+        }
+        if (ownerDiff) {
+          return owner(propagatedErr || futimesErr);
+        }
+        callback(propagatedErr || futimesErr);
+      }
+    }
+
+    function owner(propagatedErr) {
+      fs.fchown(fd, ownerDiff.uid, ownerDiff.gid, onFchown);
+
+      function onFchown(fchownErr) {
+        if (!fchownErr) {
+          file.stat.uid = ownerDiff.uid;
+          file.stat.gid = ownerDiff.gid;
+        }
+        callback(propagatedErr || fchownErr);
+      }
+    }
+  }
+}
+
+function symlink(srcPath, destPath, opts, callback) {
+  // Because fs.symlink does not allow atomic overwrite option with flags, we
+  // delete and recreate if the link already exists and overwrite is true.
+  if (opts.flags === 'w') {
+    // TODO What happens when we call unlink with windows junctions?
+    fs.unlink(destPath, onUnlink);
+  } else {
+    fs.symlink(srcPath, destPath, opts.type, onSymlink);
+  }
+
+  function onUnlink(unlinkErr) {
+    if (isFatalUnlinkError(unlinkErr)) {
+      return callback(unlinkErr);
+    }
+    fs.symlink(srcPath, destPath, opts.type, onSymlink);
+  }
+
+  function onSymlink(symlinkErr) {
+    if (isFatalOverwriteError(symlinkErr, opts.flags)) {
+      return callback(symlinkErr);
+    }
+    callback();
+  }
+}
+
+/*
+  Custom writeFile implementation because we need access to the
+  file descriptor after the write is complete.
+  Most of the implementation taken from node core.
+ */
+function writeFile(filepath, data, options, callback) {
+  if (typeof options === 'function') {
+    callback = options;
+    options = {};
+  }
+
+  if (!Buffer.isBuffer(data)) {
+    return callback(new TypeError('Data must be a Buffer'));
+  }
+
+  if (!options) {
+    options = {};
+  }
+
+  // Default the same as node
+  var mode = options.mode || constants.DEFAULT_FILE_MODE;
+  var flags = options.flags || 'w';
+  var position = APPEND_MODE_REGEXP.test(flags) ? null : 0;
+
+  fs.open(filepath, flags, mode, onOpen);
+
+  function onOpen(openErr, fd) {
+    if (openErr) {
+      return onComplete(openErr);
+    }
+
+    fs.write(fd, data, 0, data.length, position, onComplete);
+
+    function onComplete(writeErr) {
+      callback(writeErr, fd);
+    }
+  }
+}
+
+function createWriteStream(path, options, flush) {
+  return new WriteStream(path, options, flush);
+}
+
+// Taken from node core and altered to receive a flush function and simplified
+// To be used for cleanup (like updating times/mode/etc)
+function WriteStream(path, options, flush) {
+  // Not exposed so we can avoid the case where someone doesn't use `new`
+
+  if (typeof options === 'function') {
+    flush = options;
+    options = null;
+  }
+
+  options = options || {};
+
+  Writable.call(this, options);
+
+  this.flush = flush;
+  this.path = path;
+
+  this.mode = options.mode || constants.DEFAULT_FILE_MODE;
+  this.flags = options.flags || 'w';
+
+  // Used by node's `fs.WriteStream`
+  this.fd = null;
+  this.start = null;
+
+  this.open();
+
+  // Dispose on finish.
+  this.once('finish', this.close);
+}
+
+util.inherits(WriteStream, Writable);
+
+WriteStream.prototype.open = function() {
+  var self = this;
+
+  fs.open(this.path, this.flags, this.mode, onOpen);
+
+  function onOpen(openErr, fd) {
+    if (openErr) {
+      self.destroy();
+      self.emit('error', openErr);
+      return;
+    }
+
+    self.fd = fd;
+    self.emit('open', fd);
+  }
+};
+
+// Use our `end` method since it is patched for flush
+WriteStream.prototype.destroySoon = WriteStream.prototype.end;
+
+WriteStream.prototype._destroy = function(err, cb) {
+  this.close(function(err2) {
+    cb(err || err2);
+  });
+};
+
+WriteStream.prototype.close = function(cb) {
+  var that = this;
+
+  if (cb) {
+    this.once('close', cb);
+  }
+
+  if (this.closed || typeof this.fd !== 'number') {
+    if (typeof this.fd !== 'number') {
+      this.once('open', closeOnOpen);
+      return;
+    }
+
+    return process.nextTick(function() {
+      that.emit('close');
+    });
+  }
+
+  this.closed = true;
+
+  fs.close(this.fd, function(er) {
+    if (er) {
+      that.emit('error', er);
+    } else {
+      that.emit('close');
+    }
+  });
+
+  this.fd = null;
+};
+
+WriteStream.prototype._final = function(callback) {
+  if (typeof this.flush !== 'function') {
+    return callback();
+  }
+
+  this.flush(this.fd, callback);
+};
+
+function closeOnOpen() {
+  this.close();
+}
+
+WriteStream.prototype._write = function(data, encoding, callback) {
+  var self = this;
+
+  // This is from node core but I have no idea how to get code coverage on it
+  if (!Buffer.isBuffer(data)) {
+    return this.emit('error', new Error('Invalid data'));
+  }
+
+  if (typeof this.fd !== 'number') {
+    return this.once('open', onOpen);
+  }
+
+  fs.write(this.fd, data, 0, data.length, null, onWrite);
+
+  function onOpen() {
+    self._write(data, encoding, callback);
+  }
+
+  function onWrite(writeErr) {
+    if (writeErr) {
+      self.destroy();
+      callback(writeErr);
+      return;
+    }
+
+    callback();
+  }
+};
+
+module.exports = {
+  closeFd: closeFd,
+  isValidUnixId: isValidUnixId,
+  getFlags: getFlags,
+  isFatalOverwriteError: isFatalOverwriteError,
+  isFatalUnlinkError: isFatalUnlinkError,
+  getModeDiff: getModeDiff,
+  getTimesDiff: getTimesDiff,
+  getOwnerDiff: getOwnerDiff,
+  isOwner: isOwner,
+  reflectStat: reflectStat,
+  reflectLinkStat: reflectLinkStat,
+  updateMetadata: updateMetadata,
+  symlink: symlink,
+  writeFile: writeFile,
+  createWriteStream: createWriteStream,
+};

node_modules/vinyl-fs/lib/src/index.js

@@ -0,0 +1,38 @@
+'use strict';
+
+var gs = require('glob-stream');
+var pumpify = require('pumpify');
+var toThrough = require('to-through');
+var isValidGlob = require('is-valid-glob');
+var createResolver = require('resolve-options');
+
+var config = require('./options');
+var prepare = require('./prepare');
+var wrapVinyl = require('./wrap-vinyl');
+var sourcemap = require('./sourcemap');
+var readContents = require('./read-contents');
+var resolveSymlinks = require('./resolve-symlinks');
+
+function src(glob, opt) {
+  var optResolver = createResolver(config, opt);
+
+  if (!isValidGlob(glob)) {
+    throw new Error('Invalid glob argument: ' + glob);
+  }
+
+  var streams = [
+    gs(glob, opt),
+    wrapVinyl(optResolver),
+    resolveSymlinks(optResolver),
+    prepare(optResolver),
+    readContents(optResolver),
+    sourcemap(optResolver),
+  ];
+
+  var outputStream = pumpify.obj(streams);
+
+  return toThrough(outputStream);
+}
+
+
+module.exports = src;

node_modules/vinyl-fs/lib/src/options.js

@@ -0,0 +1,29 @@
+'use strict';
+
+var config = {
+  buffer: {
+    type: 'boolean',
+    default: true,
+  },
+  read: {
+    type: 'boolean',
+    default: true,
+  },
+  since: {
+    type: 'date',
+  },
+  removeBOM: {
+    type: 'boolean',
+    default: true,
+  },
+  sourcemaps: {
+    type: 'boolean',
+    default: false,
+  },
+  resolveSymlinks: {
+    type: 'boolean',
+    default: true,
+  },
+};
+
+module.exports = config;

node_modules/vinyl-fs/lib/src/prepare.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var through = require('through2');
+
+function prepareRead(optResolver) {
+
+  function normalize(file, enc, callback) {
+
+    var since = optResolver.resolve('since', file);
+
+    // Skip this file if since option is set and current file is too old
+    if (file.stat && file.stat.mtime <= since) {
+      return callback();
+    }
+
+    return callback(null, file);
+  }
+
+  return through.obj(normalize);
+}
+
+module.exports = prepareRead;

node_modules/vinyl-fs/lib/src/read-contents/index.js

@@ -0,0 +1,52 @@
+'use strict';
+
+var through = require('through2');
+
+var readDir = require('./read-dir');
+var readStream = require('./read-stream');
+var readBuffer = require('./read-buffer');
+var readSymbolicLink = require('./read-symbolic-link');
+
+function readContents(optResolver) {
+
+  function readFile(file, enc, callback) {
+
+    // Skip reading contents if read option says so
+    var read = optResolver.resolve('read', file);
+    if (!read) {
+      return callback(null, file);
+    }
+
+    // Don't fail to read a directory
+    if (file.isDirectory()) {
+      return readDir(file, optResolver, onRead);
+    }
+
+    // Process symbolic links included with `resolveSymlinks` option
+    if (file.stat && file.stat.isSymbolicLink()) {
+      return readSymbolicLink(file, optResolver, onRead);
+    }
+
+    // Read and pass full contents
+    var buffer = optResolver.resolve('buffer', file);
+    if (buffer) {
+      return readBuffer(file, optResolver, onRead);
+    }
+
+    // Don't buffer anything - just pass streams
+    return readStream(file, optResolver, onRead);
+
+    // This is invoked by the various readXxx modules when they've finished
+    // reading the contents.
+    function onRead(readErr) {
+      if (readErr) {
+        return callback(readErr);
+      }
+      return callback(null, file);
+    }
+  }
+
+  return through.obj(readFile);
+}
+
+module.exports = readContents;

node_modules/vinyl-fs/lib/src/read-contents/read-buffer.js

@@ -0,0 +1,25 @@
+'use strict';
+
+var fs = require('graceful-fs');
+var removeBomBuffer = require('remove-bom-buffer');
+
+function bufferFile(file, optResolver, onRead) {
+  fs.readFile(file.path, onReadFile);
+
+  function onReadFile(readErr, data) {
+    if (readErr) {
+      return onRead(readErr);
+    }
+
+    var removeBOM = optResolver.resolve('removeBOM', file);
+    if (removeBOM) {
+      file.contents = removeBomBuffer(data);
+    } else {
+      file.contents = data;
+    }
+
+    onRead();
+  }
+}
+
+module.exports = bufferFile;

node_modules/vinyl-fs/lib/src/read-contents/read-dir.js

@@ -0,0 +1,8 @@
+'use strict';
+
+function readDir(file, optResolver, onRead) {
+  // Do nothing for now
+  onRead();
+}
+
+module.exports = readDir;

node_modules/vinyl-fs/lib/src/read-contents/read-stream.js

@@ -0,0 +1,31 @@
+'use strict';
+
+var fs = require('graceful-fs');
+var removeBomStream = require('remove-bom-stream');
+var lazystream = require('lazystream');
+var createResolver = require('resolve-options');
+
+function streamFile(file, optResolver, onRead) {
+  if (typeof optResolver === 'function') {
+    onRead = optResolver;
+    optResolver = createResolver();
+  }
+
+  var filePath = file.path;
+
+  var removeBOM = optResolver.resolve('removeBOM', file);
+
+  file.contents = new lazystream.Readable(function() {
+    var contents = fs.createReadStream(filePath);
+
+    if (removeBOM) {
+      return contents.pipe(removeBomStream());
+    }
+
+    return contents;
+  });
+
+  onRead();
+}
+
+module.exports = streamFile;

node_modules/vinyl-fs/lib/src/read-contents/read-symbolic-link.js

@@ -0,0 +1,20 @@
+'use strict';
+
+var fs = require('graceful-fs');
+
+function readLink(file, optResolver, onRead) {
+  fs.readlink(file.path, onReadlink);
+
+  function onReadlink(readErr, target) {
+    if (readErr) {
+      return onRead(readErr);
+    }
+
+    // Store the link target path
+    file.symlink = target;
+
+    onRead();
+  }
+}
+
+module.exports = readLink;

node_modules/vinyl-fs/lib/src/resolve-symlinks.js

@@ -0,0 +1,36 @@
+'use strict';
+
+var through = require('through2');
+var fo = require('../file-operations');
+
+function resolveSymlinks(optResolver) {
+
+  // A stat property is exposed on file objects as a (wanted) side effect
+  function resolveFile(file, enc, callback) {
+
+    fo.reflectLinkStat(file.path, file, onReflect);
+
+    function onReflect(statErr) {
+      if (statErr) {
+        return callback(statErr);
+      }
+
+      if (!file.stat.isSymbolicLink()) {
+        return callback(null, file);
+      }
+
+      var resolveSymlinks = optResolver.resolve('resolveSymlinks', file);
+
+      if (!resolveSymlinks) {
+        return callback(null, file);
+      }
+
+      // Get target's stats
+      fo.reflectStat(file.path, file, onReflect);
+    }
+  }
+
+  return through.obj(resolveFile);
+}
+
+module.exports = resolveSymlinks;

node_modules/vinyl-fs/lib/src/sourcemap.js

@@ -0,0 +1,29 @@
+'use strict';
+
+var through = require('through2');
+var sourcemap = require('vinyl-sourcemap');
+
+function sourcemapStream(optResolver) {
+
+  function addSourcemap(file, enc, callback) {
+    var srcMap = optResolver.resolve('sourcemaps', file);
+
+    if (!srcMap) {
+      return callback(null, file);
+    }
+
+    sourcemap.add(file, onAdd);
+
+    function onAdd(sourcemapErr, updatedFile) {
+      if (sourcemapErr) {
+        return callback(sourcemapErr);
+      }
+
+      callback(null, updatedFile);
+    }
+  }
+
+  return through.obj(addSourcemap);
+}
+
+module.exports = sourcemapStream;

node_modules/vinyl-fs/lib/src/wrap-vinyl.js

@@ -0,0 +1,18 @@
+'use strict';
+
+var File = require('vinyl');
+var through = require('through2');
+
+function wrapVinyl() {
+
+  function wrapFile(globFile, enc, callback) {
+
+    var file = new File(globFile);
+
+    callback(null, file);
+  }
+
+  return through.obj(wrapFile);
+}
+
+module.exports = wrapVinyl;

node_modules/vinyl-fs/lib/symlink/index.js

@@ -0,0 +1,43 @@
+'use strict';
+
+var pumpify = require('pumpify');
+var lead = require('lead');
+var mkdirpStream = require('fs-mkdirp-stream');
+var createResolver = require('resolve-options');
+
+var config = require('./options');
+var prepare = require('./prepare');
+var linkFile = require('./link-file');
+
+var folderConfig = {
+  outFolder: {
+    type: 'string',
+  },
+};
+
+function symlink(outFolder, opt) {
+  if (!outFolder) {
+    throw new Error('Invalid symlink() folder argument.' +
+      ' Please specify a non-empty string or a function.');
+  }
+
+  var optResolver = createResolver(config, opt);
+  var folderResolver = createResolver(folderConfig, { outFolder: outFolder });
+
+  function dirpath(file, callback) {
+    var dirMode = optResolver.resolve('dirMode', file);
+
+    callback(null, file.dirname, dirMode);
+  }
+
+  var stream = pumpify.obj(
+    prepare(folderResolver, optResolver),
+    mkdirpStream.obj(dirpath),
+    linkFile(optResolver)
+  );
+
+  // Sink the stream to start flowing
+  return lead(stream);
+}
+
+module.exports = symlink;

node_modules/vinyl-fs/lib/symlink/link-file.js

@@ -0,0 +1,89 @@
+'use strict';
+
+var os = require('os');
+var path = require('path');
+
+var through = require('through2');
+
+var fo = require('../file-operations');
+
+var isWindows = (os.platform() === 'win32');
+
+function linkStream(optResolver) {
+
+  function linkFile(file, enc, callback) {
+    var isRelative = optResolver.resolve('relativeSymlinks', file);
+    var flags = fo.getFlags({
+      overwrite: optResolver.resolve('overwrite', file),
+      append: false,
+    });
+
+    if (!isWindows) {
+      // On non-Windows, just use 'file'
+      return createLinkWithType('file');
+    }
+
+    fo.reflectStat(file.symlink, file, onReflectTarget);
+
+    function onReflectTarget(statErr) {
+      if (statErr && statErr.code !== 'ENOENT') {
+        return callback(statErr);
+      }
+      // If target doesn't exist, the vinyl will still carry the target stats.
+      // Let's use those to determine which kind of dangling link to create.
+
+      // This option provides a way to create a Junction instead of a
+      // Directory symlink on Windows. This comes with the following caveats:
+      // * NTFS Junctions cannot be relative.
+      // * NTFS Junctions MUST be directories.
+      // * NTFS Junctions must be on the same file system.
+      // * Most products CANNOT detect a directory is a Junction:
+      //    This has the side effect of possibly having a whole directory
+      //    deleted when a product is deleting the Junction directory.
+      //    For example, JetBrains product lines will delete the entire contents
+      //    of the TARGET directory because the product does not realize it's
+      //    a symlink as the JVM and Node return false for isSymlink.
+
+      // This function is Windows only, so we don't need to check again
+      var useJunctions = optResolver.resolve('useJunctions', file);
+
+      var dirType = useJunctions ? 'junction' : 'dir';
+      var type = !statErr && file.isDirectory() ? dirType : 'file';
+
+      createLinkWithType(type);
+    }
+
+    function createLinkWithType(type) {
+      // This is done after prepare() to use the adjusted file.base property
+      if (isRelative && type !== 'junction') {
+        file.symlink = path.relative(file.base, file.symlink);
+      }
+
+      var opts = {
+        flags: flags,
+        type: type,
+      };
+      fo.symlink(file.symlink, file.path, opts, onSymlink);
+    }
+
+    function onSymlink(symlinkErr) {
+      if (symlinkErr) {
+        return callback(symlinkErr);
+      }
+
+      fo.reflectLinkStat(file.path, file, onReflectLink);
+    }
+
+    function onReflectLink(reflectErr) {
+      if (reflectErr) {
+        return callback(reflectErr);
+      }
+
+      callback(null, file);
+    }
+  }
+
+  return through.obj(linkFile);
+}
+
+module.exports = linkStream;

node_modules/vinyl-fs/lib/symlink/options.js

@@ -0,0 +1,26 @@
+'use strict';
+
+var config = {
+  cwd: {
+    type: 'string',
+    default: process.cwd,
+  },
+  dirMode: {
+    type: 'number',
+  },
+  overwrite: {
+    type: 'boolean',
+    default: true,
+  },
+  relativeSymlinks: {
+    type: 'boolean',
+    default: false,
+  },
+  // This option is ignored on non-Windows platforms
+  useJunctions: {
+    type: 'boolean',
+    default: true,
+  },
+};
+
+module.exports = config;

node_modules/vinyl-fs/lib/symlink/prepare.js

@@ -0,0 +1,51 @@
+'use strict';
+
+var path = require('path');
+
+var fs = require('graceful-fs');
+var Vinyl = require('vinyl');
+var through = require('through2');
+
+function prepareSymlink(folderResolver, optResolver) {
+  if (!folderResolver) {
+    throw new Error('Invalid output folder');
+  }
+
+  function normalize(file, enc, cb) {
+    if (!Vinyl.isVinyl(file)) {
+      return cb(new Error('Received a non-Vinyl object in `symlink()`'));
+    }
+
+    // TODO: Remove this after people upgrade vinyl/transition from gulp-util
+    if (typeof file.isSymbolic !== 'function') {
+      file = new Vinyl(file);
+    }
+
+    var cwd = path.resolve(optResolver.resolve('cwd', file));
+
+    var outFolderPath = folderResolver.resolve('outFolder', file);
+    if (!outFolderPath) {
+      return cb(new Error('Invalid output folder'));
+    }
+    var basePath = path.resolve(cwd, outFolderPath);
+    var writePath = path.resolve(basePath, file.relative);
+
+    // Wire up new properties
+    // Note: keep the target stats for now, we may need them in link-file
+    file.stat = (file.stat || new fs.Stats());
+    file.cwd = cwd;
+    file.base = basePath;
+    // This is the path we are linking *TO*
+    file.symlink = file.path;
+    file.path = writePath;
+    // We have to set contents to null for a link
+    // Otherwise `isSymbolic()` returns false
+    file.contents = null;
+
+    cb(null, file);
+  }
+
+  return through.obj(normalize);
+}
+
+module.exports = prepareSymlink;