javascript - Error with PouchDB: TypeError: angular.factory is not a function -

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i'm trying figure out how use pouchdb in angularjs. i'm trying follow these instructions https://github.com/wspringer/angular-pouchdb

i think i'm having problem understanding syntax creating factories and/or services. far section on "interacting database"

app.js

'use strict';  angular   .module('myappapp', [     'ngcookies',     'ngresource',     'ngsanitize',     'ngroute',     'pouchdb'   ])   .config(function ($routeprovider) {     $routeprovider       .when('/', {         templateurl: 'views/main.html',         controller: 'mainctrl'       })       .otherwise({         redirectto: '/'       });   }) angular.factory('someservice', function(pouchdb) {   // pouchdb.   var db = pouchdb.create('testdb');   pouchdb.destroy('testdb');   db.put({_id: 'foo', name: 'bar'}); });

when add "db.put", message see in browser's console is: 

 [15:17:45.343] typeerror: angular.factory not function @ http://127.0.0.1:9000/scripts/app.js:21

the angular object not have factory method, returned undefined.

try putting on object returned module method.

angular   .module('myappapp', [     'ngcookies',     'ngresource',     'ngsanitize',     'ngroute',     'pouchdb'   ])   .config(function ($routeprovider) {     $routeprovider       .when('/', {         templateurl: 'views/main.html',         controller: 'mainctrl'       })       .otherwise({         redirectto: '/'       });   })   // note difference here, using object returned module() , config()   .factory('someservice', function(pouchdb) {     // pouchdb.     var db = pouchdb.create('testdb');     pouchdb.destroy('testdb');     db.put({_id: 'foo', name: 'bar'});   });

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