text: var isFunction = require('./isFunction.js');
  var isArray = require('./isArray.js');
  var _deepGet = require('./_deepGet.js');
  var restArguments = require('./restArguments.js');
  var map = require('./map.js');
  
  // Invoke a method (with arguments) on every item in a collection.
  var invoke = restArguments(function(obj, path, args) {
    var contextPath, func;
    if (isFunction(path)) {
      func = path;
    } else if (isArray(path)) {
      contextPath = path.slice(0, -1);
      path = path[path.length - 1];
    }
    return map(obj, function(context) {
      var method = func;
      if (!method) {
        if (contextPath && contextPath.length) {
          context = _deepGet(context, contextPath);
        }
        if (context == null) return void 0;
        method = context[path];
      }
      return method == null ? method : method.apply(context, args);
    });
  });
  
  module.exports = invoke;
  