Angular/Angular CLI version support with @angular-eslint

Current (v12 and later)

As per the main README, as of v12, we aligned the major version of @angular-eslint with Angular (and Angular CLI).

Therefore, as an example (because these versions may or may not exist yet when you read this):

@angular-eslint packages at 12.x.x and @angular/cli@12.x.x are compatible
@angular-eslint packages at 13.x.x and @angular/cli@13.x.x are compatible
@angular-eslint packages at 14.x.x and @angular/cli@14.x.x are compatible
...and so on...

NOTE: the exact minor and patch versions of each library represented here by x's do not need to match each other, just the first (major) number

Prior to v12

In order to support the above major version alignment to make things MUCH simpler from now on, in @angular-eslint we jumped from major version 4 to 12 (i.e. major versions 5-11 do not exist). This makes the version alignment prior to v12 a little harder to follow by comparison, but the following section outlines what you should be using together if you cannot move to Angular v12 yet for whatever reason.

For @angular-eslint versions prior to v12 and greater than v2 (>= 2 < 12), we supported Angular CLI 11.2.0 up until, but not including, 12.0.0.

For v1.x.x of these packages we supported Angular from 10.1.0 to 11.1.0.

Why does Angular support in v1.x.x start at Angular `10.1.0`?

Angular 10.1.0 is significant because at version 10.0.0 the Angular Team switched to using project references and a tsconfig.base.json at the root of the project. This ultimately was deemed to be unsuccessful and in 10.1.0 they switched back to the original tsconfig.json without project references. Because angular-eslint and typescript-eslint care about your underlying TypeScript config, it is important that you are on the updated version which does not use project references.

The schematic will error if you try and run it when you still have a tsconfig.base.json.

As usual, the Angular Team provided an automatic migration for these changes as part of ng update, so for most people this change wasn't an issue. If you updated manually (which is highly discouraged), then it is possible you did not apply this critical change and will therefore run into the error with the schematic.

We recommend going back an running the automated migrations from ng update, or fixing things up manually as a last resort.

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