Trying to Upgrade from angular-social-login library to @abacritt/angularx-social-login.

[mishrakeshav]

Getting this error while trying to upgrade the angular library.
The angular version that is being used is.

"@angular/compiler": "^8.2.0",
"@angular/compiler-cli": "^8.2.0",
"@angular/core": "^8.2.0",

ERROR in ../node_modules/@abacritt/angularx-social-login/socialauth.service.d.ts:39:9 - error TS1086: An accessor cannot be declared in an ambient context.

39     get authState(): Observable<SocialUser>;
           ~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/socialauth.service.d.ts:41:9 - error TS1086: An accessor cannot be declared in an ambient context.

41     get initState(): Observable<boolean>;
           ~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/socialauth.service.d.ts:66:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDeclaration'.

66     static ɵfac: i0.ɵɵFactoryDeclaration<SocialAuthService, never>;
                       ~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/socialauth.service.d.ts:67:22 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵInjectableDeclaration'.

67     static ɵprov: i0.ɵɵInjectableDeclaration<SocialAuthService>;
                        ~~~~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/sociallogin.module.d.ts:11:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDeclaration'.

11     static ɵfac: i0.ɵɵFactoryDeclaration<SocialLoginModule, [{ optional: true; skipSelf: true; }]>;
                       ~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/sociallogin.module.d.ts:12:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵNgModuleDeclaration'.

12     static ɵmod: i0.ɵɵNgModuleDeclaration<SocialLoginModule, never, [typeof i1.CommonModule], never>;
                       ~~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/sociallogin.module.d.ts:13:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵInjectorDeclaration'.

13     static ɵinj: i0.ɵɵInjectorDeclaration<SocialLoginModule>;
                       ~~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/directives/google-signin-button.directive.d.ts:14:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDeclaration'.

14     static ɵfac: i0.ɵɵFactoryDeclaration<GoogleSigninButtonDirective, never>;
                       ~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/directives/google-signin-button.directive.d.ts:15:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵDirectiveDeclaration'.

15     static ɵdir: i0.ɵɵDirectiveDeclaration<GoogleSigninButtonDirective, "asl-google-signin-button", never, { "type": "type"; "size": "size"; "text": "text"; "shape": "shape"; "theme": "theme"; "logo_alignment": "logo_alignment"; "width": "width"; "locale": "locale"; }, {}, never, never, false, never>;
                       ~~~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/directives/google-signin-button.module.d.ts:4:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDeclaration'.

4     static ɵfac: i0.ɵɵFactoryDeclaration<GoogleSigninButtonModule, never>;
                      ~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/directives/google-signin-button.module.d.ts:5:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵNgModuleDeclaration'.

5     static ɵmod: i0.ɵɵNgModuleDeclaration<GoogleSigninButtonModule, [typeof i1.GoogleSigninButtonDirective], never, [typeof i1.GoogleSigninButtonDirective]>;
                      ~~~~~~~~~~~~~~~~~~~~~
../node_modules/@abacritt/angularx-social-login/directives/google-signin-button.module.d.ts:6:21 - error TS2694: Namespace '"/var/www/tracker-frontend/node_modules/@angular/core/core"' has no exported member 'ɵɵInjectorDeclaration'.

6     static ɵinj: i0.ɵɵInjectorDeclaration<GoogleSigninButtonModule>;
                      ~~~~~~~~~~~~~~~~~~~~~

ERROR in Unexpected value 'SocialLoginModule in /var/www/tracker-frontend/node_modules/@abacritt/angularx-social-login/sociallogin.module.d.ts' imported by the module 'AppModule in /var/www/tracker-frontend/src/app/app.module.ts'. Please add a @NgModule annotation.