build-boiler/gulp/utils/run-custom-task.js

Build Boilerplate using Webpack, Eslint, Assemble, Nunjucks, and BrowserSync

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function (ogFn, fn, cb) {
  fn = fn || ogFn;

  if (!_lodash2.default.isFunction(cb)) return (0, _isStream2.default)(fn) ? fn : fn();

  if (cb && fn.length === 0) throw new Error('A `cb` must be passed to the custom task funtion');

  fn(cb);
};

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

var _isStream = require('./is-stream');

var _isStream2 = _interopRequireDefault(_isStream);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

module.exports = exports['default'];

/**
 * Utility for calling parent function
 * a) this is a gulp stream so just return it
 * b) this is an asynchronus or non-streaming task => call with `cb`
 * @param {Function} fn parent function
 * @param {Function} cb gulp cb
 *
 * @return {Stream|undefined}
 */