angular production build - bundle is not uglified

[saifabusaleh]

🐞 Bug report

• new
• [x ] build
• serve
• test
• e2e
• generate
• add
• update
• lint
• xi18n
• run
• config
• help
• version
• doc

Is this a regression?

No

Description

I can see code (properties/functions/actual code) that is not uglified in production build

🔬 Minimal Reproduction

Github repository that its reproduced in: https://github.com/saifabusaleh/my-locations-website
Link to demo website: http://pacific-spire-36644.herokuapp.com/locations

1. Build the bundle with npm run build
2. Open dev tools and view the bundle of locations lazy loaded module
   I can see this code in dev tools:

                ngOnInit() {
                    this.locationName = this.route.snapshot.paramMap.get("locationName"),
                    this.locationName && this.getLocation(this.locationName)
                }
                getLocation(t) {
                    const e = this.locationService.getLocation(t);
                    e.status || (this.location = e.locations[0],
                    this.categoryName = this.location.category,
                    this.coordinate = this.location.coords)
                }
                onEditLocation() {
                    this.openLocationDialog(s.a.Edit).afterClosed().subscribe(t=>{
                        this.performUpdateLocation(t)
                    }
                    )
                }

🌍 Your Environment

Angular CLI: 9.0.2
Node: 12.16.3
OS: win32 x64

Angular: 9.0.1
... animations, common, compiler, compiler-cli, core, forms
... language-service, platform-browser, platform-browser-dynamic
... router
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.900.2
@angular-devkit/build-angular     0.900.2
@angular-devkit/build-optimizer   0.900.2
@angular-devkit/build-webpack     0.900.2
@angular-devkit/core              9.0.2
@angular-devkit/schematics        9.0.2
@angular/cdk                      9.0.0
@angular/cli                      9.0.2
@angular/flex-layout              9.0.0-beta.29
@angular/material                 9.0.0
@ngtools/webpack                  9.0.2
@schematics/angular               9.0.2
@schematics/update                0.900.2
rxjs                              6.5.4
typescript                        3.7.5
webpack                           4.41.2

Anything else relevant?
Is there any option in the Angular CLI not to show function names/variables names?

[alan-agius4]

Hi @saifabusaleh,

This is indented kindly see comment in: #15257 (comment)

To enable property names mangling, you will need to use a 3rd party Angular CLI builder such as https://github.com/manfredsteyer/ngx-build-plus or https://github.com/just-jeb/angular-builders.

While we allow extension of the Angular CLI, the Angular tooling team doesn't provide support for extended build configurations.

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