Facing issues with Angular 13 migration: Schema validation encountered errors stating that the data path "/error" needs to be a string

Question

Facing issues with Angular 13 migration: Schema validation encountered errors stating that the data path "/error" needs to be a string

Currently in the process of migrating from Angular 8 to 13 and encountering an issue. I have been following the guidelines outlined on https://update.angular.io/, however, every time I attempt to build certain custom libraries from my application root folder, I consistently encounter the following error:

✖ Compiling with Angular sources in Ivy partial compilation mode.
Schema validation failed with the following errors:
  Data path "/error" must be string.

Some of my libraries are functioning as expected, while others are not. The cause of this discrepancy eludes me.

I am seeking clarification on the nature of these messages and whether there is a method to access more detailed logs beyond what is currently provided.

angular typescript migration

Answer 1

Answer №1

The issue at hand is most likely stemming from the way custom libraries are being imported within one another.

For instance,

If you have libraries named my-lib-a, my-lib-b, and my-lib-c. If any of these libraries import a component or modal from another library, the import MUST be done absolutely and not relatively.

That means, When importing a component from my-lib-a into my-lib-b

the import should be

lib/my-lib-a/<imported component name>

and not

../../my-lib-a/<imported component name>

I recommend using import alias to simplify this process so it would look something like

import Component from '@my-lib-a/componentName'

You can set this up in your tsconfig.json file.

I hope this clarifies things for you

Answer 2

The issue at hand is most likely stemming from the way custom libraries are being imported within one another.

For instance,

If you have libraries named my-lib-a, my-lib-b, and my-lib-c. If any of these libraries import a component or modal from another library, the import MUST be done absolutely and not relatively.

That means, When importing a component from my-lib-a into my-lib-b

the import should be

lib/my-lib-a/<imported component name>

and not

../../my-lib-a/<imported component name>

I recommend using import alias to simplify this process so it would look something like

import Component from '@my-lib-a/componentName'

You can set this up in your tsconfig.json file.

I hope this clarifies things for you

Facing issues with Angular 13 migration: Schema validation encountered errors stating that the data path "/error" needs to be a string

Answer №1

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