index.js

var kit = require('node-kit');
var through2 = require('through2');
var replaceExt = require('replace-ext');
var PluginError = require('plugin-error');
var path = require('path');
var partialPrefix = '_';

function isPartial(filepath) {
  return path.basename(filepath)[0] === partialPrefix;
}

module.exports = function (options) {
  options = options || {};

  function transform(file, enc, next) {
    var self = this;

    if (file.isNull()) {
      this.push(file); // pass along
      return next();
    }

    if (isPartial(file.path) && !options.compilePartials) {
      return next();
    }

    if (file.isStream()) {
      this.emit(
        'error',
        new PluginError('gulp-kit', 'Streaming not supported')
      );
      return next();
    }

    try {
      var html = kit(file.path);
      file.contents = new Buffer(html);
      file.path = replaceExt(file.path, '.html');
      self.push(file);
    } catch (e) {
      self.emit('error', new PluginError('gulp-kit', e));
    }

    next();
  }

  return through2.obj(transform);
};