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FESM5 error: 'defineInjectable' not found in @angular/core

See original GitHub issue

Type of Issue

[x] Bug Report…?
[ ] Feature Request

Description

After building an Angular 6.0.0-rc.0 Library and importing into an Angular 5.2.0 app, I get this error:

WARNING in ./node_modules/my_library_name/fesm5/my_library_name.js
19:66-82 "export 'defineInjectable' was not found in '@angular/core'

webpack: Compiled with warnings.

How To Reproduce

Attempt to use an ng6 Library in an ng5 app.

Expected Behaviour

Successfully using an ng5 library in an ng6 app.

Version Information

ng-packagr: 4.1.0
@angular/*: 5.2.0
typescript: 2.6.0
rxjs: 6.2.0
node: 8.9.4
npm/yarn: 5.6.0

Are ng6 packages/libraries backwards-compatible? Any help/expertise would be greatly appreciated! Thanks.

Issue Analytics

State:
Created 5 years ago
Comments:10 (5 by maintainers)

Top GitHub Comments

4reactions

JoostKcommented, Sep 19, 2018

Thanks. It looks like you’re using the providedIn feature of @Injectable, which is new in NG 6 and hence not backwards compatible with NG 5.

If you want your library to work in 5, you must not rely on any of the features that are only available since 6, as that won’t work of course.

1reaction

maksof-kashifcommented, Jul 8, 2019

For Angular 7 or greater version use npm install ng2-charts@2.2.3 --save npm install chart.js --save

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