RobinCK/gulp-style-aliases

'use strict';

var through = require('through2');
var cssAliasses = require('css-aliases');

module.exports = function (aliases) {
  return through.obj(function (file, enc, cb) {
    if (file.isNull()) {
      return;
    }

    if (file.isStream()) {
      return this.emit('error', PluginError('gulp-style-aliases', 'Streaming not supported')); // eslint-disable-line
    }

    file.contents = new Buffer(cssAliasses(file.contents.toString(), file.path, aliases));
    cb(null, file);
  });
};