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angular Angular 9 - Angular core has no exported member ɵɵFactoryDef

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🐞 bug report

Affected Package

The issue is caused by package @angular/core

Is this a regression?

Yes, the previous version in which this bug was not present was: 8

Description

Running ng build/serve after updating to angular 9 produces a number of errors, all surrounding an export in angular/core

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🔥 Exception or Error

<pre><code> <!-- If the issue is accompanied by an exception or an error, please share it below: --> <!-- ✍️--> ../node_modules/@angular/common/common.d.ts:180:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

180 static ɵfac: ɵngcc0.ɵɵFactoryDef<CurrencyPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:340:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

340 static ɵfac: ɵngcc0.ɵɵFactoryDef<DatePipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:399:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

399 static ɵfac: ɵngcc0.ɵɵFactoryDef<DecimalPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:434:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

434 static ɵfac: ɵngcc0.ɵɵFactoryDef<DeprecatedCurrencyPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:506:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

506 static ɵfac: ɵngcc0.ɵɵFactoryDef<DeprecatedDatePipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:540:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

540 static ɵfac: ɵngcc0.ɵɵFactoryDef<DeprecatedDecimalPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:579:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

579 static ɵfac: ɵngcc0.ɵɵFactoryDef<DeprecatedPercentPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1042:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1042 static ɵfac: ɵngcc0.ɵɵFactoryDef<HashLocationStrategy>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1073:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1073 static ɵfac: ɵngcc0.ɵɵFactoryDef<I18nPluralPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1104:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1104 static ɵfac: ɵngcc0.ɵɵFactoryDef<I18nSelectPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1153:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1153 static ɵfac: ɵngcc0.ɵɵFactoryDef<JsonPipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1202:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1202 static ɵfac: ɵngcc0.ɵɵFactoryDef<KeyValuePipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1350:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1350 static ɵfac: ɵngcc0.ɵɵFactoryDef<Location>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1428:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1428 static ɵfac: ɵngcc0.ɵɵFactoryDef<LowerCasePipe>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1468:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1468 static ɵfac: ɵngcc0.ɵɵFactoryDef<NgClass>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1564:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1564 static ɵfac: ɵngcc0.ɵɵFactoryDef<NgComponentOutlet>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1720:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1720 static ɵfac: ɵngcc0.ɵɵFactoryDef<NgForOf<any>>; ~~~~~~~~~~~~ ../node_modules/@angular/common/common.d.ts:1912:25 - error TS2694: Namespace '"/home/reece/sites/portal-front-end/node_modules/@angular/core/core"' has no exported member 'ɵɵFactoryDef'.

1912 static ɵfac: ɵngcc0.ɵɵFactoryDef<NgIf>;

</code></pre>

🌍 Your Environment

Angular Version: <pre><code> <!-- run ng version and paste output below --> <!-- ✍️--> Angular CLI: 9.0.1 Node: 13.8.0 OS: linux x64

Angular: 9.0.0 ... animations, cdk, common, compiler, compiler-cli, core, forms ... language-service, material, platform-browser ... platform-browser-dynamic, router, upgrade Ivy Workspace: Yes

Package Version

@angular-devkit/architect 0.900.1 @angular-devkit/build-angular 0.900.1 @angular-devkit/build-optimizer 0.900.1 @angular-devkit/build-webpack 0.900.1 @angular-devkit/core 9.0.1 @angular-devkit/schematics 9.0.1 @angular/cli 9.0.1 @ngtools/webpack 9.0.1 @nguniversal/common 9.0.0 @nguniversal/express-engine 9.0.0 @schematics/angular 9.0.1 @schematics/update 0.900.1 rxjs 6.5.4 typescript 3.7.5 webpack 4.41.2

</code></pre>

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That's a useful answer
Without any help

If you are using 8v like me , juste delete node_modules and then run npm i that make the trick for me.