var baseBindAll = require('../internal/baseBindAll'),
    baseFlatten = require('../internal/baseFlatten'),
    functions = require('../object/functions');

/**
 * Binds methods of an object to the object itself, overwriting the existing
 * method. Method names may be specified as individual arguments or as arrays
 * of method names. If no method names are provided all enumerable function
 * properties, own and inherited, of `object` are bound.
 *
 * **Note:** This method does not set the `length` property of bound functions.
 *
 * @static
 * @memberOf _
 * @category Function
 * @param {Object} object The object to bind and assign the bound methods to.
 * @param {...(string|string[])} [methodNames] The object method names to bind,
 *  specified as individual method names or arrays of method names.
 * @returns {Object} Returns `object`.
 * @example
 *
 * var view = {
 *   'label': 'docs',
 *   'onClick': function() {
 *     console.log('clicked ' + this.label);
 *   }
 * };
 *
 * _.bindAll(view);
 * jQuery('#docs').on('click', view.onClick);
 * // => logs 'clicked docs' when the element is clicked
 */
function bindAll(object) {
  return baseBindAll(object,
    arguments.length > 1
      ? baseFlatten(arguments, false, false, 1)
      : functions(object)
  );
}

module.exports = bindAll;
