hello ionic team
after 3 week of searching. some time i resolve problem and some time it crash, so i try all solutions from stackoverflow to github
Exemples:
1- update(downgrade/upgrade) promise-pollyfil => before it work, but now not work
2- typescript (downgrade/upgrade)
3- @ionic/cli-plugin-cordova) (downgrade/upgrade)
4- reinstall (node_module)
5- try in other pc/laptop (yep, i did that in office 
but boss didnt catch me :D)
and this ERROR :
Running app-scripts build: --build --prod --iscordovaserve --nobrowser
[22:50:12] build prod started ...
[22:50:12] clean started ...
[22:50:12] clean finished in 35 ms
[22:50:12] copy started ...
[22:50:12] ngc started ...
[22:51:46] ngc finished in 94.41 s
[22:51:46] preprocess started ...
[22:51:46] deeplinks started ...
[22:51:50] deeplinks finished in 3.66 s
[22:51:50] optimization started ...
[22:51:53] copy finished in 101.11 s
[WARN] Error occurred during command execution from a CLI plugin (@ionic/cli-plugin-cordova).
Error: ./src/app/app.module.ngfactory.js
Module not found: Error: Can't resolve '../../angularfire2/auth' in 'D:\ws\wassafat\src\app'
resolve '../../angularfire2/auth' in 'D:\ws\wassafat\src\app'
using description file: D:\ws\wassafat\package.json (relative path: ./src/app)
Field 'browser' doesn't contain a valid alias configuration
after using description file: D:\ws\wassafat\package.json (relative path: ./src/app)
using description file: D:\ws\wassafat\package.json (relative path: ./angularfire2/auth)
no extension
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\auth doesn't exist
.js
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\auth.js doesn't exist
.ts
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\auth.ts doesn't exist
as directory
D:\ws\wassafat\angularfire2\auth doesn't exist
[D:\ws\wassafat\angularfire2\auth]
[D:\ws\wassafat\angularfire2\auth.js]
[D:\ws\wassafat\angularfire2\auth.ts]
[D:\ws\wassafat\angularfire2\auth]
@ ./src/app/app.module.ngfactory.js 30:0-52
@ ./src/app/main.ts,./src/app/app.module.ngfactory.js
Module not found: Error: Can't resolve '../../angularfire2/database' in 'D:\ws\wassafat\src\app'
resolve '../../angularfire2/database' in 'D:\ws\wassafat\src\app'
using description file: D:\ws\wassafat\package.json (relative path: ./src/app)
Field 'browser' doesn't contain a valid alias configuration
after using description file: D:\ws\wassafat\package.json (relative path: ./src/app)
using description file: D:\ws\wassafat\package.json (relative path: ./angularfire2/database)
no extension
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\database doesn't exist
.js
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\database.js doesn't exist
.ts
Field 'browser' doesn't contain a valid alias configuration
D:\ws\wassafat\angularfire2\database.ts doesn't exist
as directory
D:\ws\wassafat\angularfire2\database doesn't exist
[D:\ws\wassafat\angularfire2\database]
[D:\ws\wassafat\angularfire2\database.js]
[D:\ws\wassafat\angularfire2\database.ts]
[D:\ws\wassafat\angularfire2\database]
@ ./src/app/app.module.ngfactory.js 31:0-56
@ ./src/app/main.ts
info :
cli packages: (D:\ws\wassafat\node_modules)
@ionic/cli-plugin-cordova : 1.6.2
@ionic/cli-plugin-ionic-angular : 1.4.1
@ionic/cli-utils : 1.7.0
ionic (Ionic CLI) : 3.7.0
global packages:
Cordova CLI : 7.0.1
local packages:
@ionic/app-scripts : 1.3.12
Cordova Platforms : android 6.2.3
Ionic Framework : ionic-angular 3.5.3
System:
Node : v6.9.1
OS : Windows 10
npm : 3.10.8
