Fix circular self-imports and add no-self-package-imports lint rule

- Fixes the `Cannot access '_AppRootElementBlueprintesm' before
  initialization` crash in `@backstage/frontend-plugin-api` caused by a
  self-referential import in the packaged ESM.
- Cleans up similar self-imports in `@backstage/catalog-model`,
  `@backstage/core-plugin-api`, `@backstage/plugin-catalog-node`,
  `@backstage/plugin-kubernetes-common`, and
  `@backstage/plugin-kubernetes-node`. Value imports switch to relative
  paths; type-only imports use `import type` so they're erased at
  runtime.
- Adds a new `@backstage/no-self-package-imports` ESLint rule. It reads
  each package's `exports` map, traverses the relative import graph from
  every entry's source file, and only reports imports where the current
  file is in the same bundle as the target entry (same-entry). Files
  that aren't reachable from any entry (tests, scripts, orphans) are
  skipped. `import type`, `package.json` imports, and cross-entry
  self-imports are allowed by default; cross-entry can be opted into
  with `allowCrossEntry: false`.

Signed-off-by: Marat Dyatko <maratd@spotify.com>
Made-with: Cursor
This commit is contained in:
Marat Dyatko
2026-04-23 14:41:33 +02:00
parent 427d5219a6
commit ab1cdbb9db
29 changed files with 810 additions and 25 deletions
+7 -7
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@@ -3,24 +3,24 @@
> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
```ts
import { AuthenticationStrategy as AuthenticationStrategy_2 } from '@backstage/plugin-kubernetes-node';
import type { AuthenticationStrategy as AuthenticationStrategy_2 } from '@backstage/plugin-kubernetes-node';
import { BackstageCredentials } from '@backstage/backend-plugin-api';
import { CustomResource as CustomResource_2 } from '@backstage/plugin-kubernetes-node';
import type { CustomResource as CustomResource_2 } from '@backstage/plugin-kubernetes-node';
import { CustomResourceMatcher } from '@backstage/plugin-kubernetes-common';
import { Entity } from '@backstage/catalog-model';
import type express from 'express';
import { ExtensionPoint } from '@backstage/backend-plugin-api';
import { FetchResponse } from '@backstage/plugin-kubernetes-common';
import { JsonObject } from '@backstage/types';
import { KubernetesClustersSupplier as KubernetesClustersSupplier_2 } from '@backstage/plugin-kubernetes-node';
import { KubernetesFetcher as KubernetesFetcher_2 } from '@backstage/plugin-kubernetes-node';
import type { KubernetesClustersSupplier as KubernetesClustersSupplier_2 } from '@backstage/plugin-kubernetes-node';
import type { KubernetesFetcher as KubernetesFetcher_2 } from '@backstage/plugin-kubernetes-node';
import { KubernetesFetchError } from '@backstage/plugin-kubernetes-common';
import { KubernetesObjectsProvider as KubernetesObjectsProvider_2 } from '@backstage/plugin-kubernetes-node';
import type { KubernetesObjectsProvider as KubernetesObjectsProvider_2 } from '@backstage/plugin-kubernetes-node';
import { KubernetesRequestAuth } from '@backstage/plugin-kubernetes-common';
import { KubernetesServiceLocator as KubernetesServiceLocator_2 } from '@backstage/plugin-kubernetes-node';
import type { KubernetesServiceLocator as KubernetesServiceLocator_2 } from '@backstage/plugin-kubernetes-node';
import { LoggerService } from '@backstage/backend-plugin-api';
import { ObjectsByEntityResponse } from '@backstage/plugin-kubernetes-common';
import { ObjectToFetch as ObjectToFetch_2 } from '@backstage/plugin-kubernetes-node';
import type { ObjectToFetch as ObjectToFetch_2 } from '@backstage/plugin-kubernetes-node';
// @public (undocumented)
export interface AuthenticationStrategy {
+1 -1
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@@ -14,7 +14,7 @@
* limitations under the License.
*/
import { createExtensionPoint } from '@backstage/backend-plugin-api';
import {
import type {
AuthenticationStrategy,
CustomResource,
ObjectToFetch,