Issue debugging beta.18. Sourcemap issue?

[EricBichara]

OS?

Mac OSX 10.12.1

Versions.

angular-cli: 1.0.0-beta.18
node: 6.8.1
os: darwin x64

Npm: 4.0.0
Chrome: 54.0.2840.71

Repro steps.

new project created with "ng new testproject". Changed only to the following code in app.component.ts

import {Component, OnInit} from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  ngOnInit(): void {
    this.dosomething();
  }

  title = 'app works!';

  dosomething() {
    this.title = "trying to do something";
    this.title = "trying to do something else";
  }
}

In chrome dev tools, breakpoint doesn't seem to match the scope

I've tested in my other projects which i've updated to beta.18, get the same issue.

Also tried reinstalling angular-cli to make sure there where no issues there:
npm uninstall -g angular-cli
npm cache clean
npm install -g angular-cli
ng new testproject

[patrickoneill46]

Having this issue as well. It seems a 2-3 lines offset for me.

[Steveiwonder]

I have the same problem too, hits the break-point then when I attempt to step over it jumps to somewhere completely random.

[zackarychapple]

after updating the project I was able to get this working again by going back down to beta.15 of just the cli.

[EricBichara]

Thanks @zackarychapple , did you change to beta.15 both globally and in the project?

[zackarychapple]

@EricBichara just the project.

[chadbr]

See the fix in #2811 from @un33k - this has been fixed in master for the next release.

un33k commented 6 days ago • edited
I also confirm the line number issue in beta.18. A quick workaround for me was to update this file node_modules/angular-cli/models/webpack-build-development.js in my project and replace cheap-module-source-map to source-map. Takes much longer to compile, but line numbers are matching on breakpoints.

[Autushka]

@chadbr Thanks, modification of node_modules/angular-cli/models/webpack-build-development.js helped.

[michaeloryl]

I have the same problem. In my case it is 10 lines off, as you can see in the screen shot below.

[filipesilva]

Fixed in #2857

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